CN211448761U

CN211448761U - Gas discharge device for coal mine production

Info

Publication number: CN211448761U
Application number: CN202020154208.XU
Authority: CN
Inventors: 赵文利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-09-08
Anticipated expiration: 2030-02-06

Abstract

The utility model discloses a gas discharging equipment for coal mine production, including the pump bowl, the inside center of pump bowl rotates through the installation cover and installs the suction fan, the suction fan center pin is connected with and rotates the motor, the inside position department that is located behind the rotation motor of pump bowl is provided with filtering component, the pump bowl is located the filtering component rear and has the collection tank through the air duct intercommunication, be provided with the valve on the air duct, filtering component includes water curtain wall and is located the first filter screen of water curtain wall dead astern, water curtain wall surface runs through and has seted up a plurality of air vents, water curtain wall front surface top is provided with the water curtain shower nozzle, the inside bottom surface of pump bowl is located water curtain wall dead ahead position department and runs through and has seted up the mouth of a river, it has circulating water assembly to. The utility model discloses the realization is utilizing and can wash the filtration to the gas of collection to the recovery of gas, has promoted the gas's of collection pureness degree.

Description

Gas discharge device for coal mine production

Technical Field

The utility model relates to a coal mine production equipment technical field especially relates to a gas discharging equipment for coal mine production.

Background

The gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal. In a high-temperature and high-pressure environment, gas is continuously generated due to physical and chemical actions while coal is formed. The gas is colorless and odorless, but the flavor similar to apple can be smelled sometimes, because the aromatic hydrocarbon gas and the gas are simultaneously gushed out. The relative density of gas to air is 0.554, the density of gas is 0.716kg/m3 under the standard state, the permeability of gas is 1.6 times of air, the gas is difficult to dissolve in water, is not combustion-supporting and can not maintain respiration, when reaching a certain concentration, people can suffocate due to oxygen deficiency, and can be burnt or exploded. The gas exists in a free state and an adsorbed state in the coal body or the surrounding rock.

Most of the gas produced in coal mine production contains a large amount of impurities such as dust, and if the impurities such as the dust can not be effectively removed, the recycling of the gas can be influenced, but most of the existing gas discharge devices are too simple in structure, and cannot effectively clean and collect the discharged gas, so that certain defects exist.

Therefore, the gas discharge device for coal mine production is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas discharging equipment for coal mine production, aim at realizes utilizing the collection of gas, promotes the gas's of collection pureness degree simultaneously.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a gas discharge device for coal mine production comprises an air suction cylinder, wherein the inner center of the air suction cylinder is rotatably provided with an air suction fan through a mounting sleeve, the central shaft of the exhaust fan is connected with a rotating motor which is fixedly arranged on the mounting sleeve, a filtering component is arranged in the exhaust cylinder at the position right behind the rotating motor, and the air exhaust cylinder is positioned at the rear of the filtering component and communicated with a collecting tank through an air duct, a valve is arranged on the air duct, the filter component comprises a water curtain wall arranged on the inner wall of the air extracting cylinder and a first filter screen arranged on the inner wall of the air extracting cylinder and positioned right behind the water curtain wall, a plurality of vent holes are arranged on the surface of the water curtain wall in a penetrating way, and water curtain wall front surface top is provided with the water curtain shower nozzle, the inside bottom surface of aspirating cylinder is located water curtain wall dead ahead position department and has run through and has seted up the mouth of a river, cross the mouth of a river and water curtain shower nozzle and communicate jointly there is the circulating water subassembly.

Preferably, in the gas discharge device for coal mine production, a protective cover is arranged around the outside of the rotating motor.

Based on above-mentioned technical characteristics, the setting of protection casing provides effectual protection for rotating the motor, avoids dust and water to get into to rotate the motor and causes to rotate the motor and damage.

Preferably, among the above-mentioned gas discharging equipment for coal mine production, the circulating water subassembly includes the header tank, the header tank top is through the drain pipe with cross water gap intercommunication, the header tank bottom is through honeycomb duct and water curtain shower nozzle intercommunication, be provided with the suction pump on the honeycomb duct.

Based on the technical characteristics, the arrangement of the circulating water assembly realizes the recycling of the cleaning water.

Preferably, in the gas discharge device for coal mine production, a second filter screen is arranged at the upper end inside the water collecting tank.

Based on above-mentioned technical characteristics, the setting of second filter screen filters for the clean water of circulation, avoids impurity such as dust to enter into suction pump and water curtain shower nozzle in, influences the use of suction pump and water curtain shower nozzle.

Preferably, in the gas discharge device for coal mine production, the gas guide pipe is provided with a drying box, and a drying agent is filled in the drying box.

Based on the technical characteristics, the arrangement of the drying agent effectively dries the cleaned gas.

Preferably, in the gas discharge device for coal mine production, the top surface of the water passing opening is conical.

Based on the technical characteristics, the top surface of the water passing opening is arranged to be conical, so that water accumulation on the bottom surface inside the air pumping cylinder is effectively avoided.

The utility model has the advantages that:

the utility model has the advantages of simple and reasonable design, rotate the motor through the drive, realize utilizing the recovery of gas, promoted the utilization ratio of the energy, through the setting of filter assembly and hydrologic cycle subassembly, realize wasing the filtration to the gas of collection, effectively detached impurity such as dust in the gas, promoted the gas's of collection pureness degree.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the internal structure of the drying box of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an air extraction cylinder; 2, mounting a sleeve; 3-an exhaust fan; 4-rotating the motor; 5-a filter assembly; 6-gas guide tube; 7-a collection tank; 8-water curtain wall; 9-a first filter screen; 10-a vent hole; 11-water curtain spray head; 12-a water gap; 13-a circulating water assembly; 14-a shield; 15-a water collecting tank; 16-a drain pipe; 17-a draft tube; 18-a water pump; 19-a second filter screen; 20-drying the box; 21-a desiccant; 22-valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment is a gas discharging device for coal mine production, including an air extracting cylinder 1, an air extracting fan 3 is rotatably installed at the center inside the air extracting cylinder 1 through a mounting sleeve 2, a rotating motor 4 is connected to the central shaft of the air extracting fan 3, the rotating motor 4 is fixedly installed on the mounting sleeve 2, a filter assembly 5 is installed inside the air extracting cylinder 1 at a position right behind the rotating motor 4, the air extracting cylinder 1 is connected to a collecting tank 7 at the rear of the filter assembly 5 through an air duct 6, a valve 22 is installed on the air duct 6, a drying box 20 is installed on the air duct 6, a drying agent 21 is filled in the drying box 20, the drying agent 21 is installed to effectively dry the cleaned gas, the filter assembly 5 includes a water curtain wall 8 installed on the inner wall of the air extracting cylinder 1 and a first filter screen 9 installed on the inner wall of the air extracting cylinder 1 at, the surface of the water curtain wall 8 is provided with a plurality of air vents 10 in a penetrating way, a water curtain spray head 11 is arranged above the front surface of the water curtain wall 8, the inner bottom surface of the air extraction cylinder 1 is positioned right ahead the water curtain wall 8 and is provided with a water passing opening 12 in a penetrating way, the water passing opening 12 and the water curtain spray head 11 are communicated together to form a circulating water assembly 13, the top surface of the water passing opening 12 is in a conical surface shape by arranging the water passing opening 12, the water accumulating on the inner bottom surface of the air extraction cylinder 1 is effectively avoided, the circulating water assembly 13 comprises a water collecting tank 15, the top of the water collecting tank 15 is communicated with the water passing opening 12 through a drain pipe 16, the bottom of the water collecting tank 15 is communicated with the water curtain spray head 11 through a guide pipe 17, a water suction pump 18 is arranged on, avoid impurity such as dust to enter into suction pump 18 and water curtain shower nozzle 11 in, influence the use of suction pump 18 and water curtain shower nozzle 11, rotate motor 4 outside and be provided with protection casing 14 all around, the setting of protection casing 14 provides effectual protection for rotating motor 4, avoids dust and water to get into to rotate motor 4 and causes rotating motor 4 to damage.

The utility model discloses a concrete implementation, when using, people at first drive rotating electrical machines 4 and suction pump 18, under the effect of suction fan 3, gas is inhaled in pump bowl 1, the clean water in the suction pump 18 extraction header tank 15, through 11 blowout of water curtain shower nozzles, the clean water forms the water curtain on water curtain wall 8, gas contacts with the water curtain, obtain effectual washing, then discharge through air vent 10, under the effect of first filter screen 9, obtain further filtration reason, finally collected by collection tank 7.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a gas discharging equipment for coal mine production which characterized in that: comprises an air suction cylinder (1), wherein an air suction fan (3) is rotatably installed at the center inside the air suction cylinder (1) through an installation sleeve (2), a rotating motor (4) is connected to the central shaft of the air suction fan (3), the rotating motor (4) is fixedly installed on the installation sleeve (2), a filter assembly (5) is arranged in the air suction cylinder (1) and is positioned right behind the rotating motor (4), the air suction cylinder (1) is positioned behind the filter assembly (5) and is communicated with a collection tank (7) through an air duct (6), a valve (22) is arranged on the air duct (6), the filter assembly (5) comprises a water curtain wall (8) installed on the inner wall of the air suction cylinder (1) and a first filter screen (9) arranged on the inner wall of the air suction cylinder (1) and is positioned right behind the water curtain wall (8), a plurality of air holes (10) are formed in the surface of the water curtain wall, and water curtain shower nozzle (11) are provided with above water curtain (8) front surface, the inside bottom surface of aspiration cylinder (1) is located water curtain (8) dead ahead position department and has run through and has seted up mouth of a river (12), it has circulating water subassembly (13) to cross mouth of a river (12) and water curtain shower nozzle (11) common intercommunication.

2. A gas discharge apparatus for coal mine production according to claim 1, wherein: and a protective cover (14) is arranged around the outside of the rotating motor (4).

3. A gas discharge apparatus for coal mine production according to claim 1, wherein: circulating water subassembly (13) include header tank (15), header tank (15) top is through drain pipe (16) and cross mouth of a river (12) intercommunication, header tank (15) bottom is through honeycomb duct (17) and water curtain shower nozzle (11) intercommunication, be provided with suction pump (18) on honeycomb duct (17).

4. A gas discharge apparatus for coal mine production according to claim 3, wherein: and a second filter screen (19) is arranged at the upper end in the water collecting tank (15).

5. A gas discharge apparatus for coal mine production according to claim 1, wherein: and a drying box (20) is arranged on the air duct (6), and a drying agent (21) is filled in the drying box (20).

6. A gas discharge apparatus for coal mine production according to claim 1, wherein: the top surface of the water passing opening (12) is arranged to be conical.