CN216320692U - Tunnel dust removal and purification equipment - Google Patents

Abstract

The utility model discloses a tunnel dust removal purification device, belongs to the field of tunnel dust removal devices, and solves the problem that the tunnel dust removal device in the traditional technology is small in processing capacity or large in size and difficult to meet the dust removal requirement of double-line tunnel construction.

Description

Tunnel dust removal and purification equipment

Technical Field

The utility model belongs to the field of tunnel dust removal equipment, and particularly relates to tunnel dust removal and purification equipment

Background

A large amount of dust can be generated in the tunneling construction, and particularly in a long-distance tunnel, the unsmooth ventilation affects the construction progress and harms the body health of workers. The traditional ventilation mode discharges the dust from the entrance to a cave, can cause secondary pollution, consequently needs to purify the tunnel construction environment through dust collecting equipment.

The currently applied tunnel dust removal equipment has small processing capacity or large volume, and is difficult to meet the dust removal requirement of double-line tunnel construction; the centralized air inlet mode is generally adopted, the dust treatment range of the blasting dust diffused on the whole tunnel section is limited, air is not uniformly fed into each filtering unit, the abrasion degree is greatly different, and the service life is influenced; the manual parameter adjustment operation is complicated, and the operation difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides tunnel dust removal purification equipment, which aims to solve the problems that in the prior art, dust removal equipment is easy to cause secondary pollution, has small treatment capacity or large volume, generally adopts a centralized air inlet mode, has a limited dust treatment range diffused on the section of a whole tunnel after blasting, has uneven air inlet of each filter unit, influences the service life, is complicated to manually adjust parameters, and has high operation difficulty, and the tunnel dust removal purification equipment provided by the utility model aims to: the treatment capacity of the tunnel dust removal equipment is increased, the service life of the filter cartridge is prolonged, the operation flow of the equipment is simplified, and the tunnel dust purification efficiency is improved.

The technical scheme adopted by the utility model is as follows:

the tunnel dust removal and purification equipment comprises a filter chamber, wherein a plurality of filter cylinders are fixedly arranged inside the filter chamber, a plurality of air inlets are fixedly arranged outside the filter chamber, a pulse valve matched with the filter cylinders is fixedly arranged above the filter cylinders, the pulse valve is connected with an air compressor and an electric control cabinet, the top of each filter cylinder is communicated with an air purifying chamber, and the air purifying chamber is connected with a fan.

By adopting the scheme, the dust-containing gas can be filtered through the filter cylinder in the filter chamber, the outer side of the filter cylinder is positive pressure, the center of the filter cylinder is negative pressure, the negative pressure is derived from the fan, the pressure difference enables the gas to pass through the filter cylinder, the filter cylinder can lead the filtered gas into the clean gas chamber, the compressed air can be led into the pulse valve by the air compressor through the fan exhaust position, the pulse valve sprays the compressed air into the center of the filter cylinder, the back flushing cleaning of the filter cylinder can be realized, the filter cylinder cleaning flow is simplified, and the service life of the filter cylinder is prolonged.

And a differential pressure sensor is fixedly arranged in the air purifying chamber and is connected with the electric control cabinet.

By adopting the scheme, the differential pressure sensor can monitor the differential pressure between the air purifying chamber and the external environment, and if the pressure in the air purifying chamber is reduced due to excessive particles attached to the filter cylinder, the lower-pulse-valve blowing instruction can be given to sequentially perform back-blowing cleaning on the filter cylinder.

One side of the fan is connected with the electric control cabinet, a dust sensor is fixedly arranged outside the air purifying chamber, and the dust sensor is connected with the electric control cabinet.

By adopting the scheme, the dust sensor can detect the dust concentration in the tunnel, the controller in the electric control cabinet regulates and controls the air quantity of the fan according to the dust concentration detected by the dust sensor, the device realizes automatic regulation of dust removal and purification, and the automation and the intellectualization of the equipment are improved.

The outer diameter of the filter cylinder is 350mm, the height of the filter cylinder is 1500mm, and the distance between the filter cylinders is 50mm-100 mm.

By adopting the scheme, the filter drum can realize compact arrangement, large diameter, long length and large filter area, and the filter effect is ensured.

The bottom of the filtering chamber is communicated with a dust collecting chamber, and a plurality of dust collecting drawers are arranged in the dust collecting chamber.

Adopt above-mentioned scheme, harmful particle among the dirty gas subsides the back, can collect in the collection dirt drawer of dust collecting chamber, after the filtration work through a period, can take out collection dirt drawer from the dust collecting chamber to collect the cleanness of dirt drawer, will collect dirt drawer and put back again after accomplishing clean work, adopt the device, can effectively solve depositing and the problem of centralized processing of harmful particle.

The connection part of the dust collection drawer and the filter chamber is detachably connected through a bolt.

Adopt above-mentioned scheme, when equipment is in the transportation or carries out filter work, can insert the bolt, avoid album dirt drawer to take place the displacement or drop, when needs clear up the harmful particle in the album dirt drawer, can extract the bolt to take out album dirt drawer and clear up, adopt the device, increased the structural reliability of collection dirt drawer, guarantee its relative position's at the during operation stability, and easy operation.

And an air curtain device is fixedly arranged at one end of the fan far away from the filter chamber.

By adopting the scheme, the clean air after being filtered can form an air curtain, so that the dust-containing gas which is not treated is prevented from overflowing to the outside of the tunnel to cause secondary pollution.

And a plurality of air inlets are formed in two sides of the filtering chamber.

By adopting the scheme, the air inlet range can be enlarged, air inlet of each filtering unit is more uniform, and the service life of the filter cylinder is prolonged.

And a sound insulation layer is fixedly arranged in the air purifying chamber.

By adopting the scheme, the running noise of the equipment can be reduced to the maximum extent.

The dust collecting chamber is fixedly provided with a base at the bottom of the fan, and the two ends of the base are of upwarping arc structures.

By adopting the scheme, when the equipment needs to be transferred, the equipment can be carried by the plate trailer and can also be transferred by a dragging mode.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the filter cartridge in the filter chamber can filter dust-containing gas, the outer side of the filter cartridge is positive pressure, the center of the filter cartridge is negative pressure, the negative pressure is derived from a fan, the pressure difference enables gas to pass through the filter cartridge, the filter cartridge can introduce filtered gas into a gas purification chamber, the air compressor can introduce compressed air into a pulse valve through the fan exhaust position, the pulse valve sprays the compressed air into the center of the filter cartridge, the back flushing cleaning of the filter cartridge can be realized, the filter cartridge cleaning flow is simplified, and the service life of the filter cartridge is prolonged.

2. The dust sensor can detect the dust concentration in the tunnel, the controller in the electric control cabinet can regulate and control the air volume of the fan according to the dust concentration detected by the dust sensor, the device realizes the automatic regulation of dust removal and purification, improves the automation and the intellectualization of equipment, harmful particles in dust-containing gas can be collected in a dust collection drawer of a dust collection chamber after settling, the dust collection drawer can be drawn out from the dust collection chamber after a period of filtering work, the dust collection drawer is cleaned, the dust collection drawer is put back after the cleaning work is finished, the device can effectively solve the problems of storage and centralized treatment of the harmful particles, wherein the pressure difference sensor can monitor the pressure difference between a clean air chamber and the external environment, if too many particles are adhered to a filter cylinder, the pressure in the clean air chamber is reduced, the device can blow an instruction under a pulse valve, and carrying out back flushing cleaning on the filter cylinders in sequence.

3. At equipment when carrying out filter work, can insert the bolt, prevent that collection dirt drawer from taking place the displacement or droing, when needs clear up the harmful particles in the collection dirt drawer, can extract the bolt, and take out collection dirt drawer and clear up, adopt the device, the structural reliability who gathers dirt the drawer has been increased, guarantee its stability at the relative position of during operation, clean wind after carrying out filtration treatment forms one wind curtain, prevent that the dusty gas that does not pass through the processing from passing through outside excessive to the tunnel outside, cause secondary pollution.

4. Can enlarge the air inlet scope, make each filter unit air inlet more even simultaneously, prolonged the practical life who strains a section of thick bamboo, adopt the puigging structure, but the noise in operation of at utmost reduction equipment when the transfer of equipment is carried out to needs, the accessible wooden handcart carries also can shift equipment through the mode of dragging.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a main viewing structure of an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of an embodiment of the present invention.

Reference numerals: 1-filtering chamber; 2-air inlet; 3, an air compressor; 4-air purification chamber; 5-a filter cartridge; 6-differential pressure sensor; 7-a pulse valve; 8, an electric control cabinet; 9-a dust collecting chamber; 10-an air curtain device; 11-a sound-insulating layer; 12-a base; 13-a dust sensor; 14-a fan.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 and 2.

The first embodiment is as follows:

the utility model provides a tunnel dust removal purification equipment, includes filter chamber 1, filter chamber 1's inside is fixed to be provided with the several and is strained a section of thick bamboo 5, filter chamber 1's outside is fixed and is provided with several air intake 2, the fixed pulse valve 7 rather than the complex that is provided with in top of straining a section of thick bamboo 5, pulse valve 7 is connected with air compressor machine 3 and automatically controlled cabinet 8, the top intercommunication of straining a section of thick bamboo 5 has air-purifying chamber 4, air-purifying chamber 4 is connected with fan 14. One side of the fan 14 is connected with an electric control cabinet 8, a dust sensor 13 is fixedly arranged outside the air purifying chamber 4, and the dust sensor 13 is connected with the electric control cabinet 8.

A differential pressure sensor 6 is fixedly arranged in the air purifying chamber 4, and the differential pressure sensor 6 is connected with the electric control cabinet 8.

The air inlets 2 are arranged at two sides of the filter chamber 1.

By adopting the scheme, under the action of the fan 14, the air purifying chamber 4 generates negative pressure, the dust-containing gas enters the filtering chamber 1 from the air inlet 2, the cross section area of the airflow is suddenly enlarged, the airflow speed is reduced, a part of dust particles with coarse particles and high density are settled under the action of gravity, the rest dust particles are settled on the surface of the filtering cylinder 5 and form a dust layer through the comprehensive action of mechanisms such as inertia, collision, screening and interception on the surface of the filtering cylinder 5, and the purified gas enters the air purifying chamber 4 and is discharged through the fan 14.

Wherein the pulse valve 7 is provided with the pulse control appearance, and the air compressor machine 3 below is provided with the gas holder, and along with straining 5 surperficial dust thickness increase, the equipment resistance can increase, and when the pressure differential sensor 6 in the air-purifying chamber 4 detected the inside and outside pressure differential of air-purifying chamber 4 and exceeded the setting value, the pulse control appearance control pulse valve 7 opened and is strained 5 and spout the deashing. When the pulse valve 7 is opened, compressed air in the air storage tank jets high-speed high-pressure jet air flow to the filter cylinder 5 through the pulse valve 7 to form induced air flow which is equivalent to a plurality of times of the volume of the jet air flow and enters the filter cylinder 5, so that instant positive pressure occurs in the filter cylinder 5 and the induced air flow rapidly expands or vibrates to peel off dust deposited on the outer side, and the purpose of cleaning ash is achieved.

The equipment is divided into a manual operation mode and an automatic operation mode, and in the manual operation mode, a user can adjust air quantity in an electrodeless way through the electric control cabinet 8 and has a start-stop pulse back blowing function; under the automatic operation mode, the air quantity is automatically adjusted according to the signal of the dust concentration sensor, the pulse back blowing function is automatically started and stopped according to the signal of the differential pressure sensor 6 and the time signal, and when the differential pressure exceeds the limit, the machine is automatically stopped, so that the filter cartridge 5 is prevented from being damaged.

Example two:

the outer diameter of the filter cylinder 5 is 350mm, the height of the filter cylinder is 1500mm, and the distance between the filter cylinders 5 is 50mm-100 mm.

The bottom of the filtering chamber 1 is communicated with a dust collecting chamber 9, and a plurality of dust collecting drawers are arranged in the dust collecting chamber 9.

The connection part of the dust collection drawer and the filter chamber 1 is detachably connected through a bolt.

An air curtain device 10 is fixedly arranged at one end of the fan 14 far away from the filtering chamber 1.

In the above embodiment, when the dust-containing gas is settled in the filtering chamber 1, or the filtering chamber 5 is subjected to back-flushing self-cleaning, the dust-containing gas and the harmful particles on the surface of the filtering chamber 5 can fall into the dust collecting chamber 9, wherein a plurality of dust collecting drawers are arranged in the dust collecting chamber 9, the harmful particles fall into the dust collecting drawers for concentration, after a period of filtering and purifying operation, the bolt at the joint of the dust collecting drawer and the filtering chamber 1 can be pulled out, the dust collecting drawer in the dust collecting chamber 9 is pulled out for cleaning the dust collecting drawer, the cleaned dust collecting drawer is returned to the dust collecting chamber 9, and the air curtain device 10 arranged at one end of the fan 14 far away from the filtering chamber 1 can form an air curtain with the discharged purified gas, so as to prevent the dust-containing gas from diffusing to the tunnel portal and causing secondary pollution.

Example three:

and a sound insulation layer 11 is fixedly arranged in the air purifying chamber 4.

A base 12 is fixedly arranged at the bottom of the dust collecting chamber 9 and the fan 14, and two ends of the base 12 are of an upward warping arc structure.

Adopt above-mentioned scheme, puigging 11 in the air-purifying chamber 4 can furthest reduce the decibel that the device produced the noise, and wherein the both ends of the fixed base 12 that sets up in dust collecting chamber 9 and fan 14 bottom are upwarp arc structure, can enough transport through the wooden handcart, can remove through the mode of dragging again.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (10)

1. The tunnel dust removal purification equipment is characterized by comprising a filter chamber (1), wherein a plurality of filter cylinders (5) are fixedly arranged inside the filter chamber (1), a plurality of air inlets (2) are fixedly arranged outside the filter chamber (1), a pulse valve (7) matched with the filter cylinders is fixedly arranged above the filter cylinders (5), the pulse valve (7) is connected with an air compressor (3) and an electric control cabinet (8), the top of each filter cylinder (5) is communicated with an air purifying chamber (4), and the air purifying chamber (4) is connected with a fan (14).

2. The tunnel dedusting and purifying apparatus according to claim 1, wherein a differential pressure sensor (6) is fixedly arranged inside the air purifying chamber (4), and the differential pressure sensor (6) is connected with the electric control cabinet (8).

3. The tunnel dust removal purification device according to claim 1, wherein one side of the fan (14) is connected to the electric control cabinet (8), a dust sensor (13) is fixedly arranged outside the air purification chamber (4), and the dust sensor (13) is connected to the electric control cabinet (8).

4. The dust-removing and purifying equipment for the tunnel according to claim 1, wherein the filter cartridges (5) have an outer diameter of 350mm and a height of 1500mm, and the distance between the filter cartridges (5) is 50mm-100 mm.

5. A tunnel dust-removing purification device according to claim 1, wherein the bottom of the filtering chamber (1) is communicated with a dust-collecting chamber (9), and a plurality of dust-collecting drawers are arranged inside the dust-collecting chamber (9).

6. A tunnel dusting and cleaning apparatus as claimed in claim 5, characterized in that the connection of the dust collection drawer and the filtering chamber (1) is detachably linked by means of a latch.

7. A tunnel dusting and cleaning apparatus according to claim 1, characterized in that an air curtain device (10) is fixedly arranged at the end of the fan (14) far away from the filtering chamber (1).

8. A tunnel dusting and cleaning apparatus according to claim 1, characterized in that said air inlet (2) is arranged at both sides of said filtering chamber (1).

9. The dust-removing and purifying equipment for the tunnel as claimed in claim 1, wherein the air-purifying chamber (4) is fixedly provided with a sound-insulating layer (11) inside.

10. The tunnel dust removal purification equipment according to claim 5, wherein a base (12) is fixedly arranged at the bottom of the dust collection chamber (9) and the fan (14), and two ends of the base (12) are of an upward-warping arc structure.

Images