CN211954301U - Underground coal mine waterproof flow measurement metering device - Google Patents
Underground coal mine waterproof flow measurement metering device Download PDFInfo
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- CN211954301U CN211954301U CN202020760451.6U CN202020760451U CN211954301U CN 211954301 U CN211954301 U CN 211954301U CN 202020760451 U CN202020760451 U CN 202020760451U CN 211954301 U CN211954301 U CN 211954301U
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Abstract
The utility model relates to the technical field of metering devices for coal mines, and discloses a waterproof flow measurement metering device for a coal mine underground, which comprises a gas-water separation component, an air inlet pipe, a filtering component and a metering component, wherein the gas-water separation component comprises a water collecting tank and a filtering net, the water collecting tank is provided with a first air inlet and a first air outlet, and the filtering net is arranged in the water collecting tank; one end of the air inlet pipe penetrates into the water collecting tank through the first air inlet and penetrates through the filter screen; the filtering component comprises a shell and at least one filtering unit, wherein a fixed groove is formed in one end of the shell inwards, a first air inlet hole and a first air outlet hole are formed in the shell, the first air inlet hole is communicated with a first air outlet of the water collecting tank, and the first air inlet hole and the first air outlet hole are communicated with the fixed groove; each filtering unit comprises a filtering bag, the filtering bag is arranged in the fixed groove, and a drying agent is filled in the filtering bag; the metering assembly is provided with an air inlet end and an air outlet end, and the air inlet end of the metering assembly is communicated with the first air outlet hole. The utility model discloses can effectively filter the gas that gets into the measurement subassembly.
Description
Technical Field
The utility model relates to a metering device technical field is used in the colliery, concretely relates to colliery is waterproof metering device that flows in pit.
Background
Chinese patent application No. 201520663707.0 discloses a coal mine underground waterproof flow measurement metering device, which comprises a gas-water separation device, a gas drying device and a metering device, wherein the gas-water separation device is communicated with the gas drying device and the metering device through a gas guide pipe; the bottom of the gas-water separation device is provided with a water discharge pipe which is communicated with the external part and is provided with a valve; the upper part of the gas-water separation device is provided with an opening which is plugged by an orifice plugging device, one end of the air inlet pipe penetrates through the opening orifice plugging device and extends into the bottom of the gas-water separation device, and the other end of the air inlet pipe is connected with the flow measuring hole; the short gas outlet pipe penetrates through the orifice plugging device to extend into the gas-water separation device and is arranged at the uppermost part of the gas-water separation device. The device has the defects that dust inevitably appears in the drilling process, the dust enters the metering device after gas-water separation and drying under the action of the self-suction metering device, and the dust possibly existing in the gas is not removed, so that the measurement of the metering device is possibly failed due to the accumulation of the dust in the metering device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a colliery is waterproof metering device that flows in pit, solve among the prior art dust probably along with the technical problem that the air current got into metering device.
In order to achieve the technical purpose, the technical scheme of the utility model provide a colliery is waterproof metering device that flows in pit, a serial communication port, include:
the gas-water separation assembly comprises a water collecting tank and a filter screen, wherein the water collecting tank is provided with a first gas inlet and a first gas outlet, and the filter screen is arranged in the water collecting tank and connected to the inner wall of the water collecting tank;
one end of the air inlet pipe penetrates into the water collecting tank through the first air inlet and penetrates through the filter screen;
the filter assembly comprises a shell, at least one filter unit and an end cover, wherein one end of the shell is inwards provided with at least one fixed groove, the shell is provided with a first air inlet hole and a first air outlet hole, the first air inlet hole is communicated with a first air outlet of the water collecting tank, and the first air inlet hole and the first air outlet hole are communicated with the fixed groove; the filter units are arranged in one-to-one correspondence with the fixed grooves, each filter unit comprises a filter bag, the filter bags are arranged in the fixed grooves in a matched mode, and drying agents are filled in the filter bags; the end cover is arranged opposite to one end of the shell and is detachably connected to the shell;
the metering assembly is provided with an air inlet end and an air outlet end, and the air inlet end of the metering assembly is communicated with the first air outlet hole.
Compared with the prior art, the beneficial effects of the utility model include: the gas-water separation device comprises a gas inlet pipe, a water collecting tank, a filter bag, a drying agent and a metering device, wherein the gas inlet pipe is arranged in the gas collecting tank, the gas inlet pipe is connected with the other end of the gas inlet pipe, the other end of the gas inlet pipe is connected with a drilled hole, under the action of the suction force of the metering device, the gas flows into the water collecting tank through the water inlet pipe, water is mixed in the gas, the mixture of the gas flow and the water enters the water collecting tank, gas is separated from the water under the action of gravity, the gas penetrates through the filter bag, the filter bag filters dust possibly contained in the gas, part of impurities contained in the gas can be taken out, the gas enters a fixed groove through a first gas outlet and a first gas inlet hole, the gas penetrates through the filter bag and is contacted with the drying agent in the filter bag, the filter bag carries out.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is a partially enlarged schematic view at B in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a colliery is waterproof metering device that flows in pit, as shown in fig. 1 to 3, including gas-water separation subassembly 1, intake pipe 2, filtering component 3, measurement subassembly 4, gas-water separation subassembly 1 includes header tank 11, filter screen 12, and first air inlet, first gas outlet have been seted up to header tank 11, place header tank 11 in the filter screen 12 and connect in header tank 11's inner wall.
Specifically, the bottom of the water collecting tank 11 is provided with a water outlet, the gas-water separation assembly 1 further comprises a water outlet pipe 13 and a stop valve 14, the water outlet pipe 13 is communicated with the water outlet, and the stop valve 14 is arranged on the water outlet pipe 13.
When the water level in the water collection tank 11 is too high, the shutoff valve 14 is opened to discharge the water in the water collection tank 11.
Preferably, the water collecting tank 11 is made of a transparent material, so that the water level in the water collecting tank 11 can be observed conveniently.
Preferably, the gas-water separation assembly 1 further comprises a check valve 15, the check valve 15 comprises a fixed pipe 151, a floating ball 152 and a limiting net 153, the fixed pipe 151 is arranged in the water collection tank 11 and connected to the inner wall of the water collection tank 11, the fixed pipe 151 is provided with a fixed hole and a tapered hole which are communicated, the tapered hole is close to the first air outlet hole relative to the fixed hole, the tapered hole and the first air outlet hole are coaxially arranged, a small-diameter end of the tapered hole is communicated with the first air outlet hole, and a large-diameter end of the tapered hole is communicated with the fixed hole; the floating ball 152 is arranged in the fixed hole, the diameter of the floating ball 152 is larger than the inner diameter of the small-diameter end of the conical hole, and the limiting net 153 is arranged in the fixed hole and arranged on one side, far away from the first air outlet hole, of the floating ball 152.
Through setting up check valve 15, when the liquid level in the header tank 11 was too high to submerge spacing net 153, water promoted floater 152 and upwards floated until floater 152 blocks up the bell mouth for liquid can't continue upward movement, avoids liquid to get into metering assembly 4.
One end of the air inlet pipe 2 penetrates into the water collecting tank 11 through the first air inlet and penetrates through the filter screen 12.
The filtering component 3 comprises a shell 31, at least one filtering unit 32 and an end cover 33, wherein one end of the shell 31 is inwards provided with at least one fixing groove, the shell 31 is provided with a first air inlet hole and a first air outlet hole, the first air inlet hole is communicated with a first air outlet of the water collecting tank 11, and the first air inlet hole and the first air outlet hole are communicated with the fixing groove; the filter units 32 are arranged in one-to-one correspondence with the fixing grooves, each filter unit 32 comprises a filter bag 321, the filter bags 321 are arranged in the fixing grooves in a matched mode, and the filter bags 321 are filled with drying agents 322; an end cap 33 is disposed opposite one end of the housing 31 and is removably attached to the housing 31.
Preferably, the number of the fixing grooves is a plurality of, and a plurality of the fixing grooves are equidistantly arranged along the length direction of the housing 31, and the housing 31 is further provided with at least two communicating holes, which are arranged between the fixing grooves and are sequentially and alternately arranged along the length direction of the housing 31.
The first air inlet hole is communicated with a fixing groove at one side of the housing 31, and the first air outlet hole is communicated with a fixing groove at the other side of the housing 31.
By setting the number of the fixing grooves and the filtering units 32 to be plural, the gas can be dried and filtered for many times, and the effects of drying and removing impurities are better.
The number of the fixing grooves and the filtering units 32 may be three, four, five, six, etc., and specifically, the number of the fixing grooves and the filtering units 32 is four, but the number of the fixing grooves and the filtering units 32 is not limited thereto, and the number of the corresponding communication holes is three.
Because a large amount of impurities are attached to the filter bag 321 and the filter bag 321 is wetted by moisture after the filter bag 321 is used for a long time, the opening of the fixing groove is sealed by arranging the end cover 33 and detachably connecting the end cover 33 with the shell 31, and when the filter bag 321 and the drying agent 322 in the filter bag 321 need to be replaced, the filter bag 321 and the drying agent 322 in the filter bag 321 can be cleaned and replaced.
The end cap 33 can be detachably connected to the housing 31 by a screw or a snap, and specifically, the end cap 33 is slidably sleeved on the housing 31 in a matching manner.
Specifically, the end cap 33 is a cap body having an open end and a hollow interior.
Preferably, the inner wall of the end cover 33 is recessed inwards to form an annular groove, the annular groove and the end cover 33 are coaxially arranged, the filter assembly 3 further comprises a sealing ring 34, an outer ring of the sealing ring 34 is embedded in the annular groove in a matching manner, and an inner ring of the sealing ring 34 abuts against the outer wall of the shell 31.
The end cover 33 is matched with the shell 31 in a sliding sleeved mode, the end cover 33 can be conveniently taken down from the shell 31, a gap possibly existing between the end cover 33 and the outer wall of the shell 31 can be sealed through the sealing ring 34, and outside air is prevented from entering the fixing groove from the gap.
Specifically, the cross section of the seal ring 34 is square.
The metering component 4 is provided with an air inlet end and an air outlet end, and the air inlet end of the metering component 4 is communicated with the first air outlet hole.
The metering component 4 is a self-suction metering device which is the existing equipment and is not described too much.
The utility model discloses a concrete theory of operation: drilling in a coal mine, connecting the other end of an air inlet pipe 2 with a drilled hole, allowing air flow to enter a water collecting tank 11 through an air inlet pipe under the action of suction force of a metering component 4, allowing the air flow to be mixed with water, allowing the mixture of the air flow and the water to enter the water collecting tank 11, allowing the air to be separated from the water under the action of gravity, allowing the air to permeate through a filter screen 12, filtering dust possibly contained in the air by using the filter screen 12, taking out part of impurities contained in the air, allowing the air to enter a fixed pipe 151, allowing the air to permeate through a first air outlet and a first air inlet to enter a fixed groove, allowing the air to permeate through a filter bag 321 and contact with a drying agent 322 in the filter bag 321, allowing the filter bag 321 to perform secondary filtration on the air, adsorbing moisture in the air by using the drying agent 322, effectively drying and filtering the air in the air, and allowing the air to finally enter an air inlet end of the metering component 4, the measuring device measures gas contained in the gas.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a colliery is waterproof metering device that flows in pit which characterized in that includes:
the gas-water separation assembly comprises a water collecting tank and a filter screen, wherein the water collecting tank is provided with a first gas inlet and a first gas outlet, and the filter screen is arranged in the water collecting tank and connected to the inner wall of the water collecting tank;
one end of the air inlet pipe penetrates into the water collecting tank through the first air inlet and penetrates through the filter screen;
the filter assembly comprises a shell, at least one filter unit and an end cover, wherein one end of the shell is inwards provided with at least one fixed groove, the shell is provided with a first air inlet hole and a first air outlet hole, the first air inlet hole is communicated with a first air outlet of the water collecting tank, and the first air inlet hole and the first air outlet hole are communicated with the fixed groove; the filter units are arranged in one-to-one correspondence with the fixed grooves, each filter unit comprises a filter bag, the filter bags are arranged in the fixed grooves in a matched mode, and drying agents are filled in the filter bags; the end cover is arranged opposite to one end of the shell and is detachably connected to the shell;
the metering assembly is provided with an air inlet end and an air outlet end, and the air inlet end of the metering assembly is communicated with the first air outlet hole.
2. The underground coal mine waterproof flow measurement metering device of claim 1, wherein the gas-water separation assembly further comprises a one-way valve, the one-way valve comprises a fixed pipe, a floating ball and a limiting net, the fixed pipe is arranged in the water collection tank and connected to the inner wall of the water collection tank, the fixed pipe is provided with a fixed hole and a tapered hole which are communicated, the tapered hole is close to the first air outlet hole relative to the fixed hole, the tapered hole and the first air outlet hole are coaxially arranged, the small-diameter end of the tapered hole is communicated with the first air outlet hole, and the large-diameter end of the tapered hole is communicated with the fixed hole; the floating ball is arranged in the fixed hole, the diameter of the floating ball is larger than the inner diameter of the small-diameter end of the conical hole, and the limiting net is arranged in the fixed hole and arranged on one side, far away from the first air outlet hole, of the floating ball.
3. The coal mine underground waterproof flow measurement metering device according to claim 1, wherein the number of the fixing grooves is multiple, the fixing grooves are equidistantly arranged along the length direction of the shell, the shell is further provided with at least two communicating holes, the communicating holes are arranged between the fixing grooves, and the fixing grooves and the communicating holes are sequentially and alternately arranged along the length direction of the shell.
4. The coal mine underground waterproof flow measurement metering device of claim 1, wherein the end cover is fittingly and slidably sleeved on the housing.
5. The underground coal mine waterproof flow measurement metering device according to claim 4, wherein an annular groove is formed in the inner wall of the end cover in an inwards recessed mode, the annular groove and the end cover are coaxially arranged, the filter assembly further comprises a sealing ring, the outer ring of the sealing ring is embedded in the annular groove in a matched mode, and the inner ring of the sealing ring abuts against the outer wall of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760451.6U CN211954301U (en) | 2020-05-11 | 2020-05-11 | Underground coal mine waterproof flow measurement metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760451.6U CN211954301U (en) | 2020-05-11 | 2020-05-11 | Underground coal mine waterproof flow measurement metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211954301U true CN211954301U (en) | 2020-11-17 |
Family
ID=73170397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020760451.6U Expired - Fee Related CN211954301U (en) | 2020-05-11 | 2020-05-11 | Underground coal mine waterproof flow measurement metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211954301U (en) |
-
2020
- 2020-05-11 CN CN202020760451.6U patent/CN211954301U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20210511 |