CN218894675U

CN218894675U - Underground spraying dust-settling device

Info

Publication number: CN218894675U
Application number: CN202320049934.9U
Authority: CN
Inventors: 王超远; 梅锦华; 冯瑞
Original assignee: Smart Oil Service Technology Chengdu Co ltd
Current assignee: Smart Oil Service Technology Chengdu Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-21
Anticipated expiration: 2033-01-09

Abstract

The underground spraying dust falling device comprises a base, a mixing storage tank, a water pump, a spray pump and an atomizing nozzle, wherein the mixing storage tank, the water pump, the spray pump and the atomizing nozzle are respectively arranged above the base, an outlet pipeline of the water pump is connected to the inside of the mixing storage tank, an inlet pipeline of the spray pump is connected to the inside of the mixing storage tank, an outlet pipeline of the spray pump is connected to the atomizing nozzle, mixing paddles are arranged in the mixing storage tank and can rotate in the mixing storage tank through motor driving arranged on the base, a detachable top cover is arranged at the top of the mixing storage tank, and a spreader capable of outputting power through a driving motor to rotate around a shaft is arranged; the utility model is provided with the special mixing equipment, can fully mix the water for forming the spray and the medicament before spraying, effectively improves the dust settling effect of the spray, can filter the water for spraying, avoids the problem of blocking the spraying equipment due to impurities in the water in the spraying process, and ensures the normal operation of the equipment.

Description

Underground spraying dust-settling device

Technical Field

The utility model relates to the technical field of coal mine safety, in particular to a downhole spraying dust-settling device.

Background

Coal is an energy resource widely developed, along with the development of mining technology in recent years, the coal mining intensity is gradually increased, the coal yield is gradually increased, the problem of mine dust pollution which needs to be faced in the mining process is also more serious, and as the current mining mode in China is mostly carried out in an underground mine mode and the mining mode is mostly carried out in a mechanized mode of fully mechanized mining, coal bodies with higher crushing degree are obtained, the underground dust quantity is obviously increased, on the one hand, the health of operators is greatly endangered, and the frequent occurrence of pulmonary diseases is easily caused; on the other hand, dust with a higher concentration is also liable to cause dust explosion, so that dust-falling operation is required to be performed on generated dust in the process of mining a coal mine.

At present, a common dust falling means is to use a spraying device to spray underground environment, and the generated mist is utilized to adsorb dust in entrained air and settle, so that the dust amount in the underground air environment is reduced. The conventional dust removal spraying equipment is fixed equipment, water sources in a mine are recycled and converted into spraying and spraying for dust fall, but common water is singly adopted as spraying agent to be sprayed out rapidly, the residence time of the spraying agent in the air is short, so that the combination window of water drops and dust is very limited, and the dust fall effect is quite limited; and the water source in the mine often contains a large amount of impurities, and the water source is directly used for atomizing and easily blocking a spray head for generating spray, so that the operation of dust removing equipment is influenced.

Disclosure of Invention

In view of the above, the present utility model aims to provide a downhole spray dust-settling device, which can add a chemical agent and ensure sufficient mixing with water, improve the dust-settling effect of spraying, remove impurities in water used for making spraying, and ensure normal operation of atomization equipment.

In order to solve at least one of the problems, the utility model is realized by the following technical scheme:

the utility model relates to an underground spraying dust-settling device which comprises a base, a mixing storage tank, a water pump, a spraying pump and an atomizing nozzle, wherein universal wheels are arranged below the base, the mixing storage tank, the water pump, the spraying pump and the atomizing nozzle are respectively arranged above the base, an outlet pipeline of the water pump is connected to the inside of the mixing storage tank, an inlet pipeline of the spraying pump is connected to the inside of the mixing storage tank, and an outlet pipeline of the spraying pump is connected to the atomizing nozzle; the mixing tank is internally provided with a partition plate with a through hole, the mixing tank is internally divided into a mixing cavity and a temporary storage cavity, the mixing cavity is communicated with the temporary storage cavity through the partition plate through hole, mixing paddles are arranged in the mixing cavity and can rotate in the mixing tank through motor drive arranged on a base;

the top of the mixing storage tank is a detachable top cover, the top cover is provided with a medicament storage tank and a supporting container, a spreader is clamped in the supporting container, the spreader can be positioned in the mixing cavity, the spreader comprises a main pipe and a branch pipe which are hollow, the main pipe vertically penetrates through the supporting container and is connected with a driving motor at the top of the supporting container, power can be output through the driving motor to rotate around a shaft, the branch pipe is radially arranged on the main pipe, the surface of the branch pipe is provided with a through hole which is communicated with the main pipe and the hollow structure inside the branch pipe, and the hollow structure inside the main pipe and the branch pipe can be connected to the inside of the medicament storage tank.

In one embodiment of the utility model, the top cover is provided with a joint communicated with the mixing cavity, and an outlet pipeline of the water pump is connected to the joint.

One embodiment of the utility model is that a liquid outlet pipe extending into the temporary storage cavity is arranged on the mixing storage tank, and the liquid outlet pipe is connected with an inlet of the spray pump.

An embodiment of the utility model consists in that the mixing chamber is detachably provided with a sieve between the diffuser and the mixing paddles, the sieve occupying the mixing chamber cross-section completely and being located above the through holes of the partition plate.

An embodiment of the utility model is that the part of the main tube of the spreader in the support container is provided with a connecting through-hole, so that the liquid in the support container can enter the hollow structure of the main tube via the connecting through-hole.

The utility model has the technical effects that:

1. the utility model is provided with special mixing equipment, and can fully mix water and medicament for forming spray before spraying, so that the generated spray has good dust capturing capability, and the dust settling effect of the spray is effectively improved.

2. The water used for spraying can be filtered, so that the problem that the spraying equipment is blocked due to impurities in the water in the spraying process is avoided, and the normal operation of the equipment is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the distribution of the diffuser in the support vessel according to the present utility model;

FIG. 3 is a schematic view of a diffuser according to the present utility model;

in the figure: 1-base, 2-universal wheel, 3-mixed storage tank, 4-top cap, 5-suction pump, 6-spray pump, 7-atomizer, 8-medicament storage tank, 9-support container, 10-driving motor, 11-diffuser, 12-division board, 13-filter screen, 14-mixing paddle, 15-drain pipe, 111-connecting through-hole.

Detailed Description

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

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model as claimed, but is merely representative of selected embodiments of the utility model.

Examples:

referring to fig. 1-3, a downhole spray dust device,

the universal wheels 2 are arranged below the base 1, and the equipment arranged on the base 1 and the upper portion of the base is supported by the universal wheels, so that the whole device can move randomly, the device is suitable for underground mine dust fall with a complex structure, and the dust fall effect of any position of a mine can be ensured.

The mixing storage tank 3, the water suction pump 5, the spray pump 6 and the atomizing nozzle 7 are respectively arranged above the base 1, an outlet pipeline of the water suction pump 5 is connected to the inside of the mixing storage tank 3, an inlet pipeline of the spray pump 6 is connected to the inside of the mixing storage tank 3, an outlet pipeline of the spray pump 6 is connected to the atomizing nozzle 7, the water suction pump 5 is used for injecting water in an external water source into the mixing storage tank 3, water in the external water source can be directly used for atomization, and water can be stored in the mixing storage tank 3 for atomization in a moving process; the spray pump 6 pumps the water in the mixed storage tank 3 to the position of the atomizing nozzle 7, and sprays the water to form spray through the atomizing nozzle 7, so that the basic atomizing function of the device is realized, and obviously, the spraying direction of the atomizing nozzle 7 can be randomly regulated according to the prior art, so that the omnibearing spraying effect is realized.

The inside of the mixing storage tank 3 is provided with a partition plate 12 with a through hole, the inside of the mixing storage tank 3 is divided into a mixing cavity and a temporary storage cavity, the mixing cavity is communicated with the temporary storage cavity through the through hole of the partition plate 12, a mixing blade 14 is arranged in the mixing cavity, the mixing blade 14 can rotate in the mixing storage tank 3 through the driving of a motor arranged on a base 1, the top of the mixing storage tank 3 is a detachable top cover 4, the top cover 4 is provided with a medicament storage tank 8 and a supporting container 9, a spreader 11 is clamped in the supporting container 9, the spreader 11 can be positioned in the mixing cavity, the spreader 11 comprises a main pipe and a branch pipe which are hollow in the inside, the main pipe vertically penetrates through the supporting container 9 and is connected with a driving motor 10 at the top of the supporting container 9, the main pipe can rotate around a shaft through the output power of the driving motor 10, the branch pipe is radially arranged on the main pipe, the surface of the main pipe is provided with a through hole which is communicated with the hollow structures in the main pipe and the branch pipe, and the inside hollow structure of the main pipe and the branch pipe can be connected to the inside of the medicine storage tank 8, in this embodiment, the top cover 4 is provided with a joint communicated to the mixing cavity, the outlet pipeline of the water suction pump 5 is connected to the joint, the mixing storage tank 3 is provided with a liquid outlet pipe 15 extending into the temporary storage cavity, the liquid outlet pipe 15 is connected with the inlet of the spray pump 6, the purpose of distinguishing the mixing cavity from the temporary storage cavity is to more fully mix medicine and water, as the medicine which is added into the water to improve the dust settling effect is a surfactant, the medicine needs to fully mix with the solvent because the medicine needs to be well mixed, the outlet pipeline of the water suction pump 5 for injecting water into the mixing storage tank 3 is connected to the mixing cavity, and a mixing blade 14 is also arranged in the mixing cavity, so that the water entering the mixing storage tank 3 can be stirred by the mixing blade 14 in the mixing cavity and fully mixed with the surfactant as the medicine, ensuring the dust-settling effect of the obtained medicament solution;

the spreader 11 for adding the medicament into the mixing cavity can rotate around the axis in the mixing cavity by outputting rotation through the main pipe and the driving motor 10, so that the branch pipe rotates around the axis, the through hole on the branch pipe is connected to the supporting container 9 and the medicament storage tank 8, when the medicament mixing cavity is required to be used, the valve switch between the supporting container 9 and the medicament storage tank 8 is opened, so that the surfactant in the medicament storage tank 8 always enters the branch pipe of the spreader 11 along the supporting container 9, the surfactant is rotationally spread into the mixing cavity through the rotation around the axis of the branch pipe, water exists in the mixing cavity at the moment as a solution, and the mixing blade 14 stirs, so that the water and the surfactant serving as the medicament can be fully mixed;

the purpose of the liquid outlet pipe 15 in the temporary storage cavity is to avoid directly sucking out the water and the medicament which are not fully mixed for atomization, because the temporary storage cavity is communicated with the mixing cavity through the through holes on the partition plate 12, the interaction between the temporary storage cavity and the mixing cavity is limited to a certain extent, enough space can be provided for fully mixing the water and the medicament, and the medicament solution after the mixing is pumped out by the liquid outlet pipe 15.

In this embodiment, the mixing chamber is detachably provided with the filter screen 13 between the spreader 11 and the mixing paddle 14, the filter screen 13 occupies the cross section of the mixing chamber completely, and is located above the through hole of the partition plate 12, the water source for atomization in the mine is often obtained locally, so that the clean degree of the water quality is usually difficult to be ensured, the water containing fine impurities enters the mixing tank 3 for atomization and then is likely to cause the blockage of the subsequent atomization nozzle 7, and therefore the water needs to be filtered, and the filter screen 13 detachably arranged between the spreader 11 and the mixing paddle 14, so that the water entering the temporary storage chamber from the mixing chamber needs to be filtered through the filter screen 13, thereby ensuring that the impurities in the solution entering the subsequent atomization nozzle 7 are effectively screened out, avoiding the blockage problem, wherein the filter screen 13 adopts a detachable form, is convenient to replace, and the size of the filter screen can be changed arbitrarily according to the size of impurity particles in the water under practical conditions.

In this embodiment, the portion of the main tube of the dispenser 11 in the support container 9 is provided with the connection through-hole 111 so that the liquid in the support container 9 can enter the hollow structure of the main tube through the connection through-hole 111, so that the main tube of the dispenser 11 can freely rotate in the support container 9 without being obstructed, and the medicine in the support container 9 from the medicine reservoir 8 can enter the inside of the dispenser 11 through the connection through-hole 111, so that the rotational dispensing operation of the dispenser 11 can be smoothly performed in the support container 9.

When the dust removing device is used, a certain amount of water is pumped into the mixing storage tank 3 through the water suction pump 5, the pumped water is filtered through the filter screen 13, then a switch between the medicament storage tank 8 and the supporting container 9 is started, the driving motor 10 is started to drive the diffuser 11 to rotate, so that medicaments are rotationally spread into a mixing cavity of the mixing storage tank 3, meanwhile, the mixing blade 14 in the mixing cavity is started to mix the water and the medicaments into medicament solution, then the spray pump 6 is started, the medicament solution mixed in the temporary storage cavity is pumped into the spray nozzle 7, the whole dust removing device is pushed, the direction of the spray nozzle 7 is adjusted, and spray dust removing operation is carried out on any position in a mine channel according to requirements.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model disclosed in the embodiments of the present utility model should be covered by the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The underground spraying dust-settling device is characterized by comprising a base (1), a mixing storage tank (3), a water pump (5), a spraying pump (6) and an atomizing nozzle (7), wherein,

the universal wheels (2) are arranged below the base (1), the mixing storage tank (3), the water pump (5), the spray pump (6) and the atomizing nozzle (7) are respectively arranged above the base (1), an outlet pipeline of the water pump (5) is connected to the inside of the mixing storage tank (3), an inlet pipeline of the spray pump (6) is connected to the inside of the mixing storage tank (3), and an outlet pipeline of the spray pump is connected to the atomizing nozzle (7);

a partition plate (12) with a through hole is arranged in the mixing storage tank (3), the interior of the mixing storage tank (3) is divided into a mixing cavity and a temporary storage cavity, the mixing cavity is communicated with the temporary storage cavity through the through hole of the partition plate (12), a mixing blade (14) is arranged in the mixing cavity, and the mixing blade (14) can rotate in the mixing storage tank (3) through the driving of a motor arranged on the base (1);

the top of the mixing storage tank (3) is a detachable top cover (4), the top cover (4) is provided with a medicament storage tank (8) and a supporting container (9), a spreader (11) is clamped in the supporting container (9), the spreader (11) can be positioned in a mixing cavity, the spreader (11) comprises a main pipe and a branch pipe which are hollow inside, the main pipe vertically penetrates through the supporting container (9) and is connected with a driving motor (10) at the top of the supporting container (9), power can be output through the driving motor (10) around the axis and rotates, the branch pipe is radially arranged on the main pipe, through holes which are communicated with the main pipe and the branch pipe are formed in the surface of the main pipe, and the internal hollow structures of the main pipe and the branch pipe can be connected to the inside of the medicament storage tank (8).

2. A downhole spray dust device according to claim 1, wherein: the top cover (4) is provided with a joint communicated with the mixing cavity, and an outlet pipeline of the water suction pump (5) is connected to the joint.

3. A downhole spray dust device according to claim 1, wherein: the mixing storage tank (3) is provided with a liquid outlet pipe (15) extending into the temporary storage cavity, and the liquid outlet pipe (15) is connected with an inlet of the spray pump (6).

4. A downhole spray dust device according to claim 1, wherein: the mixing chamber is detachably provided with a sieve (13) between the diffuser (11) and the mixing paddles (14), the sieve (13) fully occupies the mixing chamber cross section and is located above the through holes of the partition plate (12).

5. A downhole spray dust device according to claim 1, wherein: the part of the main pipe of the spreader (11) in the support container (9) is provided with a connecting through hole (111) so that the liquid in the support container (9) can enter the hollow structure of the main pipe through the connecting through hole (111).