CN211189484U

CN211189484U - Gas explosion-proof device for coal mine laboratory

Info

Publication number: CN211189484U
Application number: CN201922138326.1U
Authority: CN
Inventors: 杨峰峰; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-07
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a gas explosion-proof device in a coal mine laboratory, which relates to the technical field of laboratory equipment and specifically comprises an outer box, the inner lower surface of the outer box is provided with the first fan, the inlet of the first fan is fixedly communicated with the first exhaust pipe, the other end of the first exhaust pipe penetrates through one side surface of the outer box, the outlet of the first fan is fixedly communicated with the first air delivery pipe, the utility model can ventilate in an automatic laboratory, reduce the content of gas in the air of the laboratory, avoid explosion caused by overhigh gas content, and the front end surface of the filter box of the device is provided with a first sealing door which is convenient for cleaning the filter screen in the filter box, the lower surface of the filter box is communicated with a slag discharging pipe which is convenient for discharging filter residue, through setting up the gas and the peculiar smell purification of adsorbing in the gas of active carbon in the purifying box, gas and peculiar smell pollution laboratory in the air of avoiding external polluted.

Description

Gas explosion-proof device for coal mine laboratory

Technical Field

The utility model relates to a laboratory paraphernalia technical field specifically is a colliery laboratory gas explosion-proof equipment.

Background

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/m under a standard state, the permeability of gas is 1.6 times of that of air, the gas is insoluble in water, does not support combustion and can not maintain respiration, and when a certain concentration is reached, people can suffocate due to oxygen deficiency and can be burnt or exploded. Therefore, when a gas experiment is carried out in a laboratory, the safety of personnel is strictly guaranteed, and the problems of gas explosion and the like are prevented.

The patent relates to a gas explosion-proof device for coal mine laboratories (publication number: CN 208204542U), when the device is used, filter the air through the filter screen in the inlet channel, prevent external polluted air from entering the laboratory, guarantee the cleanness and tidiness of the laboratory, but, along with the use, the filtered dust is preserved in filter screen and inlet duct, need clear up, then the filter screen in the pipeline is cleared up comparatively trouble, and external gas discharges in external environment, can probably let in the laboratory again during taking a breath, gas and peculiar smell in the external polluted air can not be got rid of in the filter screen filtration, certain defect has been got up in the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery laboratory gas explosion-proof equipment to solve the problem that proposes among the above-mentioned background art.

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

a gas explosion-proof device for a coal mine laboratory comprises an outer box, wherein a first fan is arranged on the inner lower surface of the outer box, a first exhaust pipe is fixedly communicated with an inlet of the first fan, the other end of the first exhaust pipe penetrates one side surface of the outer box, a first air delivery pipe is fixedly communicated with an outlet of the first fan, the other end of the first air delivery pipe penetrates the other side surface of the outer box, a matched support plate is fixedly connected in the outer box, a second fan is arranged on the upper surface of the support plate, a second exhaust pipe is fixedly communicated with an inlet of the second fan, the other end of the second exhaust pipe penetrates one side surface of the outer box, a filter box is fixedly connected on the upper surface of the support plate through a plurality of support legs, an outlet of the second fan is fixedly communicated with the side surface of the filter box through the second air delivery pipe, a matched filter screen is arranged in the filter box, a slag discharge pipe is, assorted sealing door one is installed to the preceding terminal surface of rose box, the upper surface of backup pad still is through the bracing piece fixedly connected with purifying box of a plurality of quantity, the upper surface of rose box passes through the fixed intercommunication in side of defeated tuber pipe three and purifying box, the fixed intercommunication of opposite side of purifying box has defeated tuber pipe four, the other end of defeated tuber pipe four runs through the side of outer container, be provided with a plurality of active carbons in the purifying box, the controller is installed to a side of outer container, gas sensor is still installed to a side of outer container, the warning light is still installed to a side of outer container, the rotation door is installed to the preceding terminal surface of outer container.

As a further aspect of the present invention: the lower surface mounting of purifying box has gear motor, and gear motor's output runs through the lower surface of purifying box and through shaft coupling fixedly connected with pivot, the puddler of a plurality of quantities of side fixedly connected with of pivot.

As a further aspect of the present invention: and a second sealing door is arranged on the upper surface of the purifying box.

As a further aspect of the present invention: and one end of the third air delivery pipe communicated with the purification box and one end of the fourth air delivery pipe communicated with the purification box are fixedly connected with matched filter hoods.

As a further aspect of the present invention: the first fan, the second fan, the speed reducing motor, the gas sensor and the alarm lamp are electrically connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can take a breath in the automatic laboratory, reduce the content of gas in the laboratory air, avoid gas content too high to produce the explosion, and the preceding terminal surface of this device rose box installs sealing door one, be convenient for clear up the filter screen in the rose box, the lower surface intercommunication of rose box has the pipe of slagging tap, the filter residue of being convenient for discharge, can adsorb the purification to gas and the peculiar smell in the gas through setting up active carbon in the purifying box, gas and peculiar smell pollution laboratory in avoiding external polluted air.

2. The utility model discloses a gear motor's rotation drives the rotation of pivot, and the rotation of pivot drives the active carbon in the puddler stirring and purifying box to can be regular stir the active carbon, avoid gaseous circulation and lead to other position active carbons of local active carbon scrapping back by one side of removing the purifying box and have not obtained better utilization yet, thereby improved the utilization ratio of active carbon.

Drawings

Fig. 1 is a schematic structural diagram of a gas explosion-proof device in a coal mine laboratory.

Fig. 2 is a schematic structural diagram of a gas explosion-proof device in a coal mine laboratory.

In the figure: the device comprises a first air delivery pipe 1, a first fan 2, an outer box 3, a supporting plate 4, a second air extraction pipe 5, a second fan 6, a filter box 7, a second air delivery pipe 8, a first sealing door 9, a filter screen 10, a third air delivery pipe 11, a second sealing door 12, a first air extraction pipe 13, a controller 14, a speed reducing motor 15, a gas sensor 16, a rotating shaft 17, an alarm lamp 18, a stirring rod 19, a fourth air delivery pipe 20, a rotating door 21 and a purifying box 22.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the present invention, a gas explosion-proof device for coal mine laboratories comprises an outer box 3, a first fan 2 is installed on the inner lower surface of the outer box 3, a first exhaust pipe 13 is fixedly communicated with the inlet of the first fan 2, the other end of the first exhaust pipe 13 penetrates one side surface of the outer box 3, a first air delivery pipe 1 is fixedly communicated with the outlet of the first fan 2, the other end of the first air delivery pipe 1 penetrates the other side surface of the outer box 3, a matched support plate 4 is fixedly connected in the outer box 3, a second fan 6 is installed on the upper surface of the support plate 4, a second exhaust pipe 5 is fixedly communicated with the inlet of the second fan 6, the other end of the second exhaust pipe 5 penetrates one side surface of the outer box 3, a filter box 7 is fixedly connected on the upper surface of the support plate 4 through a plurality of support legs, the outlet of the second fan 6 is fixedly communicated with the side surface of the filter box 7 through a second, the lower fixed surface of rose box 7 communicates there is the pipe of slagging tap, assorted tube cap is installed to the lower extreme of the pipe of slagging tap, assorted sealing door 9 is installed to the preceding terminal surface of rose box 7, the upper surface of backup pad 4 still is through the bracing piece fixedly connected with purifying box 22 of a plurality of quantity, the upper surface of rose box 7 passes through defeated tuber pipe three 11 and the fixed intercommunication in side of purifying box 22, the fixed intercommunication of opposite side of purifying box 22 has defeated tuber pipe four 20, the other end of defeated tuber pipe four 20 runs through the side of outer container 3, be provided with a plurality of active carbon in the purifying box 22, controller 14 is installed to a side of outer container 3, gas sensor 16 is still installed to a side of outer container 3, warning light 18 is still installed to a side of outer container 3, the preceding terminal surface of outer container 3 is.

When the laboratory ventilation device is used, the air conveying pipe I1 and the air exhaust pipe II 5 are both communicated with the outside, the content of gas in the air in the laboratory is detected through the arranged gas sensor 16, the gas sensor 16 transmits a detection signal to the controller 14 and compares the detection signal with a preset standard in the controller 14, when the preset standard is exceeded, the controller 14 controls and starts the fan I2 and the fan II 6, the fan I2 extracts the gas with high content of gas in the laboratory through the air exhaust pipe I13 and the air conveying pipe I1, meanwhile, the fan II 6 pumps the outside gas into the filter box 7 through the air exhaust pipe II 5 and the air conveying pipe II 8, the filter screen 10 filters and removes dust, the dust is then introduced into the purification box 22 through the air conveying pipe III 11, the dust is adsorbed and purified through activated carbon in the purification box 22, and then the air conveying pipe IV 20 is introduced into the laboratory, so that the laboratory ventilation can be automatically carried out, the content of gas in the laboratory air has been reduced, avoid the too high explosion that produces of gas content, and sealing door 9 is installed to the preceding terminal surface of this device rose box 7, is convenient for clear up filter screen 10 in the rose box 7, and the lower surface intercommunication of rose box 7 has the pipe of slagging tap, the filter residue of being convenient for discharge, can adsorb the purification to gas and the peculiar smell in the gas through setting up active carbon in purifying box 22, gas and peculiar smell pollution laboratory in avoiding external polluted air.

The lower surface of the purification box 22 is provided with a speed reducing motor 15, the output end of the speed reducing motor 15 penetrates through the lower surface of the purification box 22 and is fixedly connected with a rotating shaft 17 through a coupler, the side surface of the rotating shaft 17 is fixedly connected with a plurality of stirring rods 19, the upper surface of the purification box 22 is provided with a sealing door II 12, the rotating shaft 17 is driven to rotate through the rotation of the speed reducing motor 15, the rotating shaft 17 drives the stirring rods 19 to stir the active carbon in the purification box 22, so that the active carbon can be stirred regularly, the situation that the active carbon at other parts is not well utilized after the local active carbon is scrapped due to the circulation of gas from one side of the purification box 22 is avoided, the utilization rate of the active carbon is improved, one end of the air conveying pipe III 11 communicated with the purification box 22 and one end of the air conveying pipe IV 20 communicated with the purification box 22 are both fixedly connected with matched filter hoods (not, through the filter mantle that sets up, avoid the active carbon to enter into the pipeline in, fan one 2, fan two 6, gear motor 15, gas sensor 16 and warning light 18 all with controller 14 electric connection.

In the scheme, the speed reducing motor 15 is of an NCH22-400-10S model, the first fan 2 and the second fan 6 are of a Y5-47 model, the gas sensor 16 is of a winsen-MC11 model, the controller 14 is of an 80C51 programmable single chip microcomputer, and an operation circuit is an existing conventional circuit.

The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention, and in the present invention, unless otherwise explicitly specified or limited, the terms "set", "mount", "connect", and "fix" and the like are to be construed broadly, for example, as being fixedly connected, detachably connected, or integrated; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A gas explosion-proof device for a coal mine laboratory comprises an outer box (3) and is characterized in that a first fan (2) is installed on the inner lower surface of the outer box (3), a first exhaust pipe (13) is fixedly communicated with an inlet of the first fan (2), the other end of the first exhaust pipe (13) penetrates through one side surface of the outer box (3), a first air delivery pipe (1) is fixedly communicated with an outlet of the first fan (2), the other end of the first air delivery pipe (1) penetrates through the other side surface of the outer box (3), a matched supporting plate (4) is fixedly connected in the outer box (3), a second fan (6) is installed on the upper surface of the supporting plate (4), a second exhaust pipe (5) is fixedly communicated with an inlet of the second fan (6), the other end of the second exhaust pipe (5) penetrates through one side surface of the outer box (3), a plurality of supporting legs are fixedly connected to the upper surface of the supporting plate (4) through a filter, an outlet of the second fan (6) is fixedly communicated with the side face of the filter box (7) through a second air delivery pipe (8), a matched filter screen (10) is installed in the filter box (7), a slag discharge pipe is fixedly communicated with the lower surface of the filter box (7), a matched pipe cover is installed at the lower end of the slag discharge pipe, a matched sealing door I (9) is installed on the front end face of the filter box (7), a purification box (22) is fixedly connected to the upper surface of the support plate (4) through a plurality of support rods, the upper surface of the filter box (7) is fixedly communicated with the side face of the purification box (22) through a third air delivery pipe (11), a fourth air delivery pipe (20) is fixedly communicated with the other side face of the purification box (22), the other end of the fourth air delivery pipe (20) penetrates through the side face of the outer box (3), a plurality of active carbon is arranged in the purification box (22), a controller (14) is, a gas sensor (16) is further installed on one side face of the outer box (3), an alarm lamp (18) is further installed on one side face of the outer box (3), and a rotary door (21) is installed on the front end face of the outer box (3).

2. The coal mine laboratory gas explosion-proof device according to claim 1, characterized in that a speed reduction motor (15) is installed on the lower surface of the purification box (22), the output end of the speed reduction motor (15) penetrates through the lower surface of the purification box (22) and is fixedly connected with a rotating shaft (17) through a coupler, and a plurality of stirring rods (19) are fixedly connected to the side surface of the rotating shaft (17).

3. A coal mine laboratory gas explosion prevention device according to claim 1, wherein a sealing door two (12) is installed on the upper surface of the purification box (22).

4. The gas explosion-proof device for the coal mine laboratory according to claim 1, wherein one end of the third air delivery pipe (11) communicated with the purification box (22) and one end of the fourth air delivery pipe (20) communicated with the purification box (22) are fixedly connected with matched filter hoods.

5. The coal mine laboratory gas explosion-proof device according to claim 1 or 2, wherein the first fan (2), the second fan (6), the speed reduction motor (15), the gas sensor (16) and the alarm lamp (18) are electrically connected with the controller (14).