CN211627276U - Portable density measuring device suitable for coal pile - Google Patents
Portable density measuring device suitable for coal pile Download PDFInfo
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- CN211627276U CN211627276U CN201922212209.5U CN201922212209U CN211627276U CN 211627276 U CN211627276 U CN 211627276U CN 201922212209 U CN201922212209 U CN 201922212209U CN 211627276 U CN211627276 U CN 211627276U
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Abstract
The utility model relates to a portable density measurement device, concretely relates to portable density measurement device suitable for coal pile. The portable density measuring device comprises a water bag body, wherein the water bag body is a transparent cavity, a handle is arranged at the top of the water bag body, a water filling port is arranged on the water bag body on one side of the handle, and a sealing cover is arranged on the water filling port and is in sealing connection with the water filling port. The density measuring device can be conveniently carried and transferred through the lifting ring; meanwhile, the density of the coal sample can be calculated by conveniently digging out the coal sample with the same volume as the water in the water bag body through the water bag body, and the coal sample can be operated by a single person, so that the labor intensity can be effectively reduced, the working efficiency can be effectively improved, the problems that the existing measuring method is low in working efficiency and high in labor intensity, and the measuring container is not easy to carry and transfer are solved, and the method is particularly suitable for density measurement of coal piles.
Description
Technical Field
The utility model relates to a portable density measurement device, concretely relates to portable density measurement device suitable for coal pile.
Background
When the power plant piles up the coal, generally adopt the bull-dozer with the coal pile layering compaction, with the coal storage space of make full use of coal yard, and reduce the contact of coal and air, delay the oxidation rotten speed of coal, prevent the coal pile spontaneous combustion, the coal pile has the take the altitude simultaneously, the coal that is located the coal pile different layers eminence bears the pressure difference, this just makes the coal pile density in different height departments have difference, and the coal pile uses the mode coal piling of piling, the coal pile top generally can not set up the water source.
At present, most of thermal power enterprises need to check the inventory of fire coal in the daily production process, and the inventory is indispensable to check the amount of coal entering a furnace and find out the quantity loss of the coal stored in a coal yard, and is an important component of coal yard supervision and management; the coal pile volume is generally checked by a laser coal checking instrument, the automation level is high, the measured volume error is small, but no good equipment is used for directly measuring the coal density to obtain a result, and the conventional measuring method generally adopts a large container measuring method and a standard bucket method for measuring.
The 'big container determination method' requires a container capable of holding about 3t of coal sample, measures the total weight by using a wagon balance, and measures the density of the coal sample according to the volume and the weight of the coal sample. "Standard bucket method measurement" means that a rectangular box having a volume of 1m is used for carrying out a top-load measurement of coal samples, and the mass of the box is measured after the box is filled with the coal samples, and the density is calculated from the volume and the mass of the box. The method needs the cooperation of a plurality of persons and a plurality of parties in the whole measuring process, and not only has low working efficiency but also has high labor intensity; and the large container or the cuboid box is not easy to carry and transfer, and an excavator or a crane is needed to put the box and take the box.
Disclosure of Invention
The utility model aims at: the portable density measuring device can accurately measure the coal bulk density, is convenient to carry and operate, and solves the problems that the existing measuring method is low in working efficiency and high in labor intensity, and measuring instruments are not easy to carry and transfer.
The technical scheme of the utility model is that:
a portable density measurement device suitable for a coal pile is composed of a water bag body and is characterized in that: the water bag body is a transparent cavity, the top of the water bag body is provided with a handle, the water bag body on one side of the handle is provided with a water filling port, and the water filling port is provided with a sealing cover which is in sealing connection with the water filling port.
The water filling port is in a convex shape, and external threads are arranged on the circumference of the water filling port.
The sealing cover is a reversed cup-shaped body, the inner wall circumference of the sealing cover is provided with internal threads, and the sealing cover is in threaded connection with the water filling port through the matching of the internal threads and the external threads; the top of sealed lid is provided with the stress application pole, and the one end of stress application pole extends to one side of sealed lid.
The handle consists of a fixed plate and a lifting ring, and the lifting ring is fixedly arranged on the fixed plate; the handle is fixedly bonded with the water bag body through the fixing plate.
The lifting ring is in a curved shape.
Furthermore, nylon buckles are arranged on the water bag body on one side of the handle and are symmetrically arranged; the water bag body below the nylon fastener is provided with scale marks.
Furthermore, an overflow pipe is arranged on one side of the bottom end of the water bag body on one side of the scale mark, one end of the overflow pipe is communicated with the water bag body, and a stop valve is arranged on the other end of the overflow pipe.
Furthermore, a siphon is arranged on the water bag body at one side of the handle and is hermetically connected with the water bag body, one end of the siphon extends to the bottom in the water bag body, a flow guide ball is arranged at the end of the siphon extending to the bottom in the water bag body, and the siphon is communicated with the water bag body through the flow guide ball; a stop valve is arranged on the siphon above the water bag body.
The flow guiding ball is a hollow sphere, and flow guiding holes are uniformly distributed on the flow guiding ball.
The beneficial effects of the utility model reside in that:
the portable density measuring device suitable for the coal pile can be conveniently carried and transferred through the lifting ring; meanwhile, the coal sample with the same volume as the water in the water bag body can be conveniently dug through the water bag body, the density of the coal sample can be calculated after the dug coal sample and the water in the water bag body are weighed, and the method can be operated by a single person, so that the labor intensity can be effectively reduced, the working efficiency can be improved, the problems that the existing measuring method is low in working efficiency and high in labor intensity, and meanwhile, a measuring container is not easy to carry and transfer are solved, and the method is particularly suitable for density measurement of a coal pile.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the sealing cover of the present invention;
FIG. 3 is a schematic structural view of a modified form of the present invention with an overflow tube;
FIG. 4 is a schematic structural view of a modified form of the present invention with a siphon tube;
fig. 5 is a schematic structural view of the siphon according to the present invention.
In the figure: 1. the water bag comprises a water bag body, 2, a fixing plate, 3, a lifting ring, 4, a water filling port, 5, a sealing cover, 6, a force applying rod, 7, a nylon hasp, 8, scale marks, 9, an overflow pipe, 10, a stop valve, 11, a siphon pipe, 12, a flow guide ball, 13 and a flow guide hole.
Detailed Description
The portable density measuring device suitable for the coal pile is composed of a water bag body 1, wherein the water bag body 1 is a transparent cavity, water can be conveniently contained in the water bag body 1, and then the water can be conveniently conveyed to the coal pile through the water bag body 1; the water bag body 1 is made of transparent flexible plastic, under the water pressure or external pressure, the water bag body 1 can deform to fill the coal pit, so that the shape of the water bag body 1 is fitted with the shape of the coal pit, and the volume of water in the water bag body 1 is equal to that of coal dug in the coal pit; the top of the water bag body 1 is provided with a handle, the handle is composed of a fixing plate 2 and a lifting ring 3, the lifting ring 3 is fixedly arranged on the fixing plate 2, the lifting ring 3 is arc-shaped, the handle is fixedly bonded with the water bag body 1 through the fixing plate 2, the water bag body 1 can be conveniently lifted through the lifting ring 3, and the water bag body 1 is further convenient to carry and transfer; the water bag body 1 on one side of the handle is provided with the water injection port 4, water can be injected into the water bag body 1 through the water injection port 4, and water can be discharged out of the water bag body 1 through the water injection port 4 when the water bag body 1 is extruded, so that the volume of water in the water bag body 1 is reduced; the water filling port 4 is in a convex shape, external threads are arranged on the circumference of the water filling port 4, the water filling port 4 is provided with a sealing cover 5, the sealing cover 5 is in a reversed cup shape, internal threads are arranged on the circumference of the inner wall of the sealing cover 5, and the sealing cover 5 is in threaded connection with the water filling port 4 through the matching of the internal threads and the external threads; the top of the sealing cover 5 is provided with a stress application rod 6, one end of the stress application rod 6 extends to one side of the sealing cover 5, the stress application rod 6 enables the sealing cover 5 to be more convenient to screw or loosen through the lever principle, and meanwhile, the stress application rod 6 can prevent hands from slipping with the sealing cover 3 in the process of screwing or loosening the sealing cover 5; the sealing cover 5 is connected with the water filling port 4 in a sealing way, and further the water bag body 1 is sealed through the sealing cover 5.
Before the portable density measuring device suitable for the coal pile is used, the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal are weighed by a weighing scale, recording the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal for standby, opening the sealing cover 5 above the water bag body after weighing, 95% of water is injected into the water bag body 1 through the water injection port 4, so that a certain deformation allowance can be ensured when the water bag body 1 is attached to the inner wall of a coal pit, the water bag body cannot be deformed due to expansion after being filled with water, the water bag body 1 is sealed through the sealing cover 5 after being filled with water, the water in the water bag body 1 cannot leak through the water injection port 4 in the transferring process, after the water is injected into the water bag body 1, the water bag body 1 is transferred to the coal pile through the lifting ring 6, and a horizontal working surface is arranged on a point to be measured of the coal pile by using a tool, so that the coal sample density of the point to be measured can be conveniently measured.
When the portable density measuring device suitable for the coal pile is used, firstly, a coal pit with the volume equivalent to or slightly smaller than that of the water bag body 1 is dug on a horizontal working surface arranged on the coal pile through a tool, the water bag body 1 filled with water is placed into the coal pit, water in the water bag body 1 and the water bag body 1 is wedged with the inner wall of the coal pit under the action of self gravity, when the liquid level of the water in the water bag body 1 is higher than that of the coal pit, a small amount of coal samples are dug, the coal pit is corrected, the liquid level of the water in the water bag body 1 is aligned with the edge of the coal pit through correction, and therefore the liquid level of the water in the water bag body 1 is aligned with the edgeThe volume of the water in the body 1 is consistent with that of the dug coal sample; the dug coal sample is filled in a coal bag, the water bag body 1 is lifted out of a coal pit, the coal sample attached to the outer surface of the water bag body 1 is removed, after the coal sample on the surface of the water bag body 1 is cleaned, the water bag body 1 filled with water and the coal bag filled with coal are respectively weighed through a weighing scale, and the formula is adopted
(in the formula
Which is the density of the coal, is,
is the density of the water and is,
the mass of the coal in the coal bag,
the mass of the water in the water bag body 1. ) And (3) calculating the density of the coal sample, after the measurement of one point to be measured is finished, lifting the water bag body 1 through the lifting ring 3 to transfer the water bag body 1 to the next point to be measured, repeating the process, measuring the density of the coal sample at different positions of the coal pile, and calculating the density of the coal pile by calculating an average value.
As an improvement of the portable density measuring device, the water bag body 1 on one side of the handle can be provided with nylon buckles 7 (also called as magic tapes), and the nylon buckles 7 are symmetrically arranged and used for binding shovels, coal bags, weighing scales or other tools needed to be used when measuring density so as to be convenient for carrying and transferring tools; the water bag body 1 below the nylon fastener 7 is provided with scale marks 8 so as to observe the storage amount of water in the water bag body 1.
1 bottom one side of water bag body of scale mark 8 one side is provided with overflow pipe 9, overflow pipe 9 is steel wire hose, overflow pipe 9 radially has certain toughness, make overflow pipe 9 difficult quilt of in-process of putting into the pit flattens, 9 one end ends of overflow pipe and 1 sealing connection of water bag body and intercommunication each other, make the one end of overflow pipe 9 be in the low level of water bag body 1, and then guarantee that the hydroenergy in the water bag body 1 floods overflow pipe 8's port all the time, the one end of overflow pipe 9 and 1 intercommunication of water bag body, stop valve 10 is equipped with on the other end of overflow pipe 9, can discharge the water in the water bag body 1 through overflow pipe 9 when stop valve 10 opens, enable overflow pipe 9 and seal when stop valve 10 closes, and then make water bag body 1 sealed, prevent that the water in the water bag body 1 from flowing.
Before the portable density measuring device suitable for the coal pile is used, the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal are weighed by a weighing scale, recording the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal for standby, opening the sealing cover 5 above the water bag body after weighing, 95% of water is injected into the water bag body 1 through the water injection port 4, so that a certain deformation allowance can be ensured when the water bag body 1 is attached to the inner wall of a coal pit, the water bag body cannot be deformed due to expansion after being filled with water, the water bag body 1 is sealed through the sealing cover 5 after being filled with water, the water in the water bag body 1 cannot leak through the water injection port 4 in the transferring process, after the water is injected into the water bag body 1, the water bag body 1 is transferred to the coal pile through the lifting ring 6, and a horizontal working surface is arranged on a point to be measured of the coal pile by using a tool, so that the coal sample density of the point to be measured can be conveniently measured.
When the portable density measuring device is used in an improved mode, firstly, a coal pit with the volume smaller than that of the water bag body 1 is dug on a horizontal working surface which is arranged by a coal pile through a tool, the water bag body 1 filled with water is placed in the coal pit, the water in the water bag body 1 and the water in the water bag body 1 are under the action of self gravity, the water bag is wedged with the inner wall of the coal pit, the liquid level of the water in the water bag body 1 is higher than the coal pit, the port of the overflow pipe 9 at one side of the stop valve 10 is placed on the horizontal working surface on the coal pile of the point to be measured, the bottom of the port of the overflow pipe 9 is flush with the edge of the coal pit, the stop valve 10 is opened, the water in the water bag body 1 is higher than the water level of the horizontal working surface, the water overflows to the outside of the water bag body 1 through the overflow pipe 9 under the action of self gravity, and the liquid level of the water in the water bag body 1 is consistent with the height of the edge of the coal pit in a self-leveling mode, so that the water bag is used.The volume of the water in the body 1 is consistent with that of the dug coal sample; the dug coal sample is filled by a coal bag, the water bag body 1 is lifted out of a coal pit, the water bag body 1 filled with water and the coal bag filled with coal are respectively weighed, and the formula is used
After the measurement of one point to be measured is finished, the water bag body 1 is lifted by the lifting ring 3 to transfer the water bag body 1 to the next point to be measured, the process is repeated, the density of coal samples at different positions of a coal pile is measured, the density of the coal pile is calculated by calculating the average value, the storage amount of water in the water bag body 1 needs to be noticed through the scale mark 8 in the continuous measurement process, and the outflow amount of water is controlled to avoid the over-low water level.
As a further improvement of the portable density measuring device, a siphon tube 11 can be arranged on the water bag body 1 at one side of the handle, the siphon tube 11 is connected with the water bag body 1 in a sealing way, one end of the siphon tube 11 extends to the bottom in the water bag body 1, a diversion ball 12 is arranged at the end of the siphon tube 11 extending to the bottom in the water bag body 1, and the diversion ball 9 is made of a heavier steel ball or a lead ball, so that the diversion ball 9 can be always submerged by the water in the water bag body 1 under the action of self gravity during working; the siphon tube 11 is communicated with the water bag body 1 through the flow guiding ball 12, the flow guiding ball 12 is a hollow spherical body, flow guiding holes 13 are uniformly distributed on the flow guiding ball 12, and the flow guiding holes 13 are communicated with the siphon tube 11, so that water in the water bag body 1 can enter the siphon tube 11 through the flow guiding holes 13 when the water bag body 1 is extruded; the siphon tube 11 extends from the upper part of the water bag body 1 to avoid the pit wall from extruding the siphon tube 11 to cause slow water outlet; a stop valve 10 is arranged on a siphon 11 above the water bag body 1.
Before the portable density measuring device suitable for the coal pile is used, the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal are weighed by a weighing scale, recording the weight of the water bag body 1 which is not filled with water and the coal bag which is not filled with coal for standby, opening the sealing cover 5 above the water bag body after weighing, 95% of water is injected into the water bag body 1 through the water injection port 4, so that a certain deformation allowance can be ensured when the water bag body 1 is attached to the inner wall of a coal pit, the water bag body cannot be deformed due to expansion after being filled with water, the water bag body 1 is sealed through the sealing cover 5 after being filled with water, the water in the water bag body 1 cannot leak through the water injection port 4 in the transferring process, after the water is injected into the water bag body 1, the water bag body 1 is transferred to the coal pile through the lifting ring 6, and a horizontal working surface is arranged on a point to be measured of the coal pile by using a tool, so that the coal sample density of the point to be measured can be conveniently measured.
When the portable density measuring device is used, firstly, a coal pit with the volume smaller than that of the water bag body 1 is dug on a horizontal working surface of a coal pile through a tool, the water bag body 1 filled with water is placed in the coal pit, water in the water bag body 1 and the water bag body 1 is wedged with the inner wall of the coal pit under the action of self gravity, the liquid level of the water in the water bag body 1 is higher than the coal pit, the port of the siphon tube 11 on one side of the stop valve 10 is placed on the horizontal working surface of the coal pile to be measured, so that the bottom of the port of the siphon tube 11 is flush with the edge of the coal pit, the stop valve 10 is opened to forcibly extrude the water bag body 1, the water in the water bag body 1 is extruded to the port of the siphon tube 11 outside the water bag body 1 through the siphon tube 11, further air in the siphon tube 11 is discharged, and the water in the water bag body 1 continuously flows out through the siphon tube 11 under the action of, when the liquid level of the water in the water bag body 1 is consistent with the port of the siphon tube 11, the water in the siphon tube 11 is automatically cut off, and the liquid level of the water in the water bag body 1 is consistent with the height of the edge of the coal pit, so that the volume of the water in the water bag body 1 is consistent with that of the dug coal sample; the dug coal sample is filled by a coal bag, the water bag body 1 is lifted out of a coal pit, the water bag body 1 filled with water and the coal bag filled with coal are respectively weighed, and the formula is used
Calculating the density of coal, after the measurement of one point to be measured is finished, lifting the water bag body 1 by the lifting ring 3 to transfer the water bag body 1 to the next point to be measured, repeating the process, measuring the density of coal samples at different positions of a coal pile, calculating the density of the coal pile by calculating an average value, paying attention to the stock of water in the water bag body 1 through the scale mark 8 in the continuous measurement process, and controlling the outflow of water to avoid the water levelToo low.
The portable density measuring device suitable for the coal pile can be conveniently carried and transferred through the lifting ring 3; meanwhile, the coal sample with the same volume as the water in the water bag body can be conveniently dug out through the water bag body 1, the density of the coal sample can be calculated after the dug-out coal sample and the water in the water bag body 1 are weighed, and the method can be operated by one person, so that the labor intensity can be effectively reduced, the working efficiency can be effectively improved, the problems that the existing determination method is low in working efficiency and high in labor intensity, and meanwhile, a determination container is not easy to carry and transfer are solved, and the method is particularly suitable for density measurement of coal piles.
Claims (9)
1. A portable density measurement device suitable for a coal pile is composed of a water bag body and is characterized in that: the water bag comprises a water bag body (1), a handle is arranged at the top of the water bag body (1), a water filling port (4) is formed in the water bag body (1) on one side of the handle, a sealing cover (5) is arranged on the water filling port (4), and the sealing cover (5) is in sealing connection with the water filling port (4).
2. The portable density measurement device for a coal pile of claim 1, wherein: the water filling port (4) is in a convex shape, and external threads are arranged on the circumference of the water filling port (4).
3. The portable density measurement device for a coal pile of claim 1, wherein: the sealing cover (5) is a reversed cup-shaped body, internal threads are arranged on the circumference of the inner wall of the sealing cover (5), and the sealing cover (5) is in threaded connection with the water filling port (4) through the matching of the internal threads and the external threads; the top of the sealing cover (5) is provided with a stress application rod (6), and one end of the stress application rod (6) extends to one side of the sealing cover (5).
4. The portable density measurement device for a coal pile of claim 1, wherein: the handle consists of a fixed plate (2) and a lifting ring (3), and the lifting ring (3) is fixedly arranged on the fixed plate (2); the handle is fixedly bonded with the water bag body (1) through the fixing plate (2).
5. The portable density measurement device for a coal pile of claim 4, wherein: the lifting ring (3) is in a curved shape.
6. The portable density measurement device for a coal pile of claim 1, wherein: the water bag body (1) on one side of the handle is provided with nylon hasps (7), and the nylon hasps (7) are symmetrically arranged; the water bag body (1) below the nylon fastener (7) is provided with scale marks (8).
7. The portable density measurement device for a coal pile of claim 6, wherein: an overflow pipe (9) is arranged on one side of the bottom end of the water bag body (1) on one side of the scale marks (8), one end of the overflow pipe (9) is communicated with the water bag body (1), and a stop valve (10) is arranged on the other end of the overflow pipe (9).
8. The portable density measurement device for a coal pile of claim 1, wherein: the water bag comprises a water bag body (1) and is characterized in that a siphon (11) is arranged on the water bag body (1) on one side of a handle, the siphon (11) is hermetically connected with the water bag body (1), one end of the siphon (11) extends to the bottom in the water bag body (1), a flow guide ball (12) is arranged at the end of the siphon (11) extending to the bottom in the water bag body (1), and the siphon (11) is communicated with the water bag body (1) through the flow guide ball (12); a stop valve (10) is arranged on a siphon pipe (11) above the water bag body (1).
9. The portable density measurement device for a coal pile of claim 8, wherein: the flow guiding ball (12) is a hollow spherical body, and flow guiding holes (13) are uniformly distributed on the flow guiding ball (12).
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| CN201922212209.5U CN211627276U (en) | 2019-12-11 | 2019-12-11 | Portable density measuring device suitable for coal pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526673A (en) * | 2022-01-07 | 2022-05-24 | 华能巢湖发电有限责任公司 | Method for measuring coal storage of coal yard by reducing errors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526673A (en) * | 2022-01-07 | 2022-05-24 | 华能巢湖发电有限责任公司 | Method for measuring coal storage of coal yard by reducing errors |
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Address after: No.18 Jingsha Avenue, Jingzhou Development Zone, Jingzhou City, Hubei Province Patentee after: Guoneng Changyuan Jingzhou Thermal Power Co.,Ltd. Address before: No.18 Jingsha Avenue, Jingzhou Development Zone, Jingzhou City, Hubei Province Patentee before: Guodian Changyuan Jingzhou Thermal Power Co.,Ltd. |