CN211784489U - Coal ash sampling device - Google Patents
Coal ash sampling device Download PDFInfo
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- CN211784489U CN211784489U CN202020113847.1U CN202020113847U CN211784489U CN 211784489 U CN211784489 U CN 211784489U CN 202020113847 U CN202020113847 U CN 202020113847U CN 211784489 U CN211784489 U CN 211784489U
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Abstract
The utility model relates to a coal ash sampling device, which relates to the technical field of sampling devices for concrete production, and comprises a sampling tube communicated with an inlet tube, wherein the inlet tube is provided with a sampling port, the sampling tube is connected with the sampling port, the sampling tube is communicated with a sample outlet tube, the sample outlet tube is provided with a valve, one end of the sampling tube, which is far away from the inlet tube, is provided with an end cover, and a push rod is arranged on the end cover in a penetrating way; one of push rod serve be fixed with the push pedal of sampling tube looks adaptation, the end cover is worn out to the other end, the push pedal can slide in the sampling tube, the push rod overcoat is equipped with the spring that length and sampling tube length are the same, spring and push rod looks adaptation. The coal ash collecting device can be used for cleaning the coal ash deposited in the cleaning sampling tube, so that the latest coal ash can be collected conveniently, and the result of the follow-up coal ash quality test is more accurate.
Description
Technical Field
The utility model belongs to the technical field of sampling device's for the concrete production technique and specifically relates to a fly ash sampling device is related to.
Background
At present, fly ash is one of the important raw materials of cement concrete, the quality of the fly ash directly influences the quality problem of the cement concrete, the fly ash is generally conveyed into a stirring bin through a fly ash feeding pipe, and a small valve is connected out because the air pressure and the flow are large during operation of a large pipeline, so that the sampling can be more convenient and safer.
The prior art refers to the chinese utility model patent that the grant bulletin number is CN203396591U, and this utility model discloses a fly ash feeding sampling device, including the fly ash inlet pipe to the fly ash inlet pipe is the downward sloping form, and the intercommunication has the sampling tube on the fly ash inlet pipe, and the tail end of sampling tube is provided with the sample valve of area start-stop switch. The utility model discloses a quality when every batch fly ash feeding of sample test to guarantee the homogeneity of fly ash, prevent sneaking into of inferior fly ash and lead to influencing the phenomenon of cement concrete's quality. The utility model provides a fly ash feeding sampling device, through setting up sampling tube and sample valve, at the feeding in-process, open the on-off switch of sample valve, just can gather fly ash in the sampling tube to the quality of the every batch fly ash that gets into in the stirring feed bin of real-time sampling test, but the device is too of a specified duration when live, and fly ash when its inner wall piles up, can not carry out effectual washing to its inside.
The above prior art solutions have the following drawbacks: when the sample, open the sample valve and take a sample, this kind of mode though can be comparatively convenient take a sample, but the device is too long as live time, and fly ash can be piled up at its inner wall, when taking a sample again, and the sample part of taking out is the accumulation of anterior segment time, causes the result of quality test inaccurate easily.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a plastering fly ash sampling device, it can clear up sedimentary fly ash in the clearance sampling tube, is convenient for collect newest fly ash to make follow-up result to fly ash quality test more accurate.
The above object of the present invention can be achieved by the following technical solutions:
a coal ash sampling device comprises a sampling tube communicated with a feeding tube, wherein the feeding tube is provided with a sampling port, the sampling tube is connected to the sampling port, the sampling tube is communicated with a sample outlet tube, the sample outlet tube is provided with a valve, one end of the sampling tube, which is far away from the feeding tube, is provided with an end cover, and a push rod is penetrated through the end cover; one of push rod serve be fixed with the push pedal of sampling tube looks adaptation, the end cover is worn out to the other end, the push pedal can slide in the sampling tube, the push rod overcoat is equipped with the spring that length and sampling tube length are the same, spring and push rod looks adaptation.
By adopting the technical scheme, the fly ash is conveyed through the feeding pipe, when a sample is not taken, the valve is closed, and the sampling port on the feeding pipe is blocked by the push plate; when sampling is needed, the valve is opened, the push rod is pulled outwards, the spring is compressed, force for ejecting the push plate towards the direction of the sampling opening is generated, the push rod drives the push plate to move in the sampling tube, the coal ash enters the sampling tube, and a person holds the push rod by hand to sample; after sampling is finished, the valve is closed, the push rod is pushed into the sampling pipe, the push rod drives the push plate to move towards the sampling opening, and the push plate pushes the coal ash accumulated in the sampling pipe back to the feeding pipe, so that the coal ash accumulated in the sampling pipe is reduced; when the inlet pipe was out of work, can open the valve, promoted the push pedal, can push away the discharging pipe with the fly ash of accumulation in the sampling tube, discharged from the discharging pipe. Through promoting the push pedal, can clear up the fly ash that accumulates in the sampling tube. Simultaneously, the length of spring is the same with the length of sampling tube, and the push pedal is reset spring more easily under the thrust effect of spring and is played supplementary effect to the reseing of push pedal, makes the people promote the push rod more laborsaving. Simultaneously, the thickness looks adaptation of spring and push rod for the difficult emergence of spring is crooked, makes the spring stretch out and draw back along the length direction of push rod more easily.
The present invention may be further configured in a preferred embodiment as: the end cover is provided with a spring bolt, and the push rod is provided with a positioning hole which is matched with the spring bolt to fix the push plate at the sampling opening.
Through adopting above-mentioned technical scheme, the inlet pipe is when carrying fly ash, and atmospheric pressure and flow in the pipeline are very big, probably push away the push pedal open easily, and when the sample connection was plugged up to the push pedal, the locating hole and the cooperation of spring bolt can be fixed the push pedal in the sample connection, reduce the push pedal by the possibility of open-ended.
The present invention may be further configured in a preferred embodiment as: the push plate is provided with a sealing ring, and the sealing ring is arranged along the circumferential direction of the outline of the push plate.
Through adopting above-mentioned technical scheme, the sealing washer can be the rubber circle, and the sealing washer makes the inner wall butt of push pedal and sampling tube get tighter, is convenient for steadily promote the push pedal, has reduced the fly ash simultaneously and has entered into the possibility between push pedal and the end cover, because fly ash if enter into between push pedal and the end cover, can be not convenient for clear up.
The present invention may be further configured in a preferred embodiment as: the end cover is detachably connected with the sampling tube.
Through adopting above-mentioned technical scheme, end cover and sampling tube can threaded connection, and when the inlet pipe was out of work, rotatory end cover can take off end cover and push rod from the sampling tube, is convenient for clear up the fly ash on push pedal and the sealing washer or change the sealing washer.
The present invention may be further configured in a preferred embodiment as: the end of the push rod penetrating through the end cover is detachably connected with a pull handle.
By adopting the technical scheme, the pull handle can be disc-shaped, the pull handle is provided with a slot matched with the push rod, the push rod is inserted into the pull handle, and a sampling person can conveniently pull the push rod through the pull handle; simultaneously, the pull handle is detachable with the push rod, conveniently takes off the push rod from the end cover.
The present invention may be further configured in a preferred embodiment as: the outer surface of the end cover is rotatably connected with a baffle for blocking a through hole on the end cover for the push rod to penetrate through.
Through adopting above-mentioned technical scheme, when coal ash on clearance push pedal and the sealing washer or change the sealing washer, can the rotating end cover, will pull the handle and take off, then take off push rod and push pedal from the end cover again, then connect the end cover on the sampling tube, rotatory separation blade shelters from the perforation, reduces during external moisture enters into the sampling tube, keeps the drying of sampling tube inner wall, reduces the possibility that coal ash glues and glues at the sampling tube inner wall.
The present invention may be further configured in a preferred embodiment as: one end of the sample outlet pipe connected with the sampling pipe is a bell mouth.
By adopting the technical scheme, the coal ash is convenient to discharge.
The present invention may be further configured in a preferred embodiment as: one end of the spring bolt, which is inserted into the positioning hole, is a tip end, and the end surface of the spring bolt is a spherical surface.
By adopting the technical scheme, one end of the spring bolt, which is inserted into the positioning hole, is a pointed end, so that the pin rod can be conveniently inserted into the positioning hole; the end face of the tip is spherical, so that friction between the pin rod and the push rod can be reduced.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the push plate is pushed, so that the fly ash accumulated in the sampling tube can be cleaned, the fly ash remaining in the sampling tube is reduced, the collected samples are all the latest fly ash, and the accuracy of the subsequent quality test result is improved;
2. the end cover can be detached, the push rod and the push plate can be detached, the coal ash on the push plate and the sealing ring can be conveniently cleaned, and meanwhile, the sealing ring can be conveniently replaced;
3. the length of spring is the same with the length of sampling tube, and at the in-process that the push pedal resets, the spring can play the effect that supplementary push pedal resets for it is more laborsaving that the staff promotes the push rod.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged view of a portion B in fig. 2.
Reference numerals: 1. a feed pipe; 11. a sampling port; 2. a sampling tube; 3. a sample outlet pipe; 31. a valve; 4. an end cap; 41. a baffle plate; 5. a push rod; 51. pulling a handle; 6. pushing the plate; 7. a spring; 8. a spring bolt; 9. and (5) sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): referring to fig. 1 and fig. 2, for utility model discloses a fly ash sampling device, include the sampling tube 2 with inlet pipe 1 intercommunication, be provided with the push pedal 6 with sampling tube 2 looks adaptation in the sampling tube 2, promote push pedal 6, can clear up the fly ash of accumulation in sampling tube 2 for what collect is newest fly ash, thereby makes the quality test result of follow-up fly ash more accurate.
Referring to fig. 2 and 3, inlet pipe 1 is offered with sampling opening 11 of sampling tube 2 looks adaptation, and sampling tube 2 connects in sampling opening 11 department, and sampling tube 2 can be the pipe, and sampling tube 2 is fixed in on the lateral wall of inlet pipe 1. A sample outlet pipe 3 is fixed on the side wall of the sampling pipe 2, the sample outlet pipe 3 is communicated with the interior of the sampling pipe 2 and is positioned below the sampling pipe 2, one end of the sample outlet pipe 3, which is connected with the sampling pipe 2, is a horn mouth, so that the fly ash can be conveniently discharged, and a container can be used for containing the fly ash at a discharge port of the sample outlet pipe 3. The sample outlet pipe 3 is provided with a valve 31 to control the opening and closing of the discharge hole.
Referring to fig. 2 and 3, one end of the sampling tube 2, which is far away from the feeding tube 1, is open and is in threaded connection with an end cover 4, and the end cover 4 covers the sampling tube 2. Push rod 5 is worn to be equipped with by the level on the end cover 4, and the length of push rod 5 is greater than the length of sampling tube 2, and the one end of push rod 5 is located sampling tube 2, and end cover 4 is worn out to the other end, and one of wearing out end cover 4 is served and can be dismantled and be connected with pull handle 51, and pull handle 51 can be discoid, makes things convenient for people to stimulate push rod 5. The pull handle 51 is provided with a slot matched with the push rod 5, and the push rod 5 is inserted into the slot.
Referring to fig. 2 and 3, the push plate 6 is vertically fixed at one end of the push rod 5 far away from the pull handle 51 and is perpendicular to the push rod 5. A sealing ring 9 is fixed along the circumferential direction of the outer contour of the push plate 6, the sealing ring 9 can be a rubber ring, and the sealing ring 9 can enable the push plate 6 to be abutted and tightened with the inner wall of the sampling tube 2, so that the gap between the push plate 6 and the inner wall of the sampling tube 2 is sealed, and the possibility that the coal ash enters the space between the push plate 6 and the end cover 4 is reduced. Meanwhile, the push plate 6 can move stably.
Referring to fig. 2 and 3, a spring 7 matched with the push rod 5 is sleeved outside the push rod 5, the length of the spring 7 is the same as that of the sampling tube 2, and the spring 7 is positioned between the push plate 6 and the end cover 4. When the push plate 6 seals the sampling port 11, the spring 7 is in the original length state; during the sample, outwards stimulate push rod 5, push rod 5 drives the push pedal and removes towards 4 directions of end cover, 6 extrusion spring 7 of push pedal, spring 7 is compressed, can produce a thrust, when clearance fly ash, probably inlet pipe 1 is still at operating condition, pressure in the inlet pipe 1 may be great, the staff promotes push rod 5 in towards sampling tube 2 probably will be comparatively hard, spring 7's thrust can play a pushing action to the reseing of push pedal 6, make the staff promote push pedal 6 more laborsaving. When the sampling is not carried out, the spring 7 is in the original long state, so that the service life of the spring 7 can be prolonged.
Referring to fig. 2 and 4, the end cover 4 is provided with a spring bolt 8, the push rod 5 is provided with a positioning hole matched with the spring bolt 8, when the sampling opening 11 is sealed by the push plate 6, the positioning hole is aligned with a pin rod of the spring bolt 8, and the pin rod is automatically inserted into the positioning hole, so that the push plate 6 is further fixed at the sampling opening 11. The end of the pin rod inserted into the positioning hole is pointed, so that the pin rod can be conveniently inserted into the positioning hole, and the end face of the pointed end is a spherical surface, so that friction between the pin rod and the push rod 5 can be reduced.
Referring to fig. 1 and 4, a blocking piece 41 is rotatably connected to the end cover 4, and the through hole of the end cover 4 through which the push rod 5 passes can be blocked by rotating the blocking piece 41.
The working principle of the coal ash sampling device is as follows:
when the sampling is not carried out, the push plate 6 seals the sampling port 11, and the pin rod of the spring bolt 8 is inserted into the positioning hole of the push rod 5; during sampling, the valve 31 is opened, the pin rod is lifted upwards, then the push rod 5 is pulled outwards, the push rod 5 drives the push plate 6 to move towards the end cover 4, the spring 7 is compressed, and the coal ash in the feeding pipe 1 enters the sample outlet pipe 3 and is discharged from the sample outlet pipe 3; after the sample, promote push rod 5, push rod 5 is under people's thrust and spring 7's thrust effect, drive push pedal 6 towards 11 direction movements of sample connection, push pedal 6 clears up the fly ash of accumulation in sampling tube 2, push pedal 6 pushes back fly ash in inlet pipe 1 or pushes away out appearance pipe 3 with partial fly ash, when push pedal 6 seals sample connection 11, 8 pin poles of spring bolt fall into the locating hole automatically, it is fixed with push pedal 6, close valve 31. When inlet pipe 1 was out of work, can rotatory end cover 4, take off end cover 4 from sampling tube 2, with pull handle 51, then take off push rod 5 from end cover 4, then fix end cover 4 on sampling tube 2, rotate separation blade 41, shelter from the perforation on the end cover 4, reduce inside external moisture enters into sampling tube 2. Then the coal ash on the push plate 6 and the sealing ring 9 which are taken down can be cleaned, or the sealing ring 9 or the spring 7 can be replaced, then the push rod 5 provided with the spring 7 is arranged on the end cover 4, and then the end cover 4 and the sampling tube 2 are fixed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a fly ash sampling device, includes sampling tube (2) with inlet pipe (1) intercommunication, sample connection (11) have been seted up in inlet pipe (1), sampling tube (2) are connected in sample connection (11) department, the intercommunication has out appearance pipe (3) on sampling tube (2), be provided with valve (31), its characterized in that on appearance pipe (3): an end cover (4) is arranged at one end of the sampling tube (2) far away from the feeding tube (1), and a push rod (5) penetrates through the end cover (4); one of push rod (5) is served and is fixed with push pedal (6) with sampling tube (2) looks adaptation, and end cover (4) are worn out to the other end, push pedal (6) can slide in sampling tube (2), push rod (5) overcoat is equipped with spring (7) that length and sampling tube (2) length are the same, spring (7) and push rod (5) looks adaptation.
2. A fly ash sampling device as defined in claim 1, wherein: the end cover (4) is provided with a spring bolt (8), and the push rod (5) is provided with a positioning hole which is matched with the spring bolt (8) to fix the push plate (6) at the sampling port (11).
3. A fly ash sampling device as defined in claim 1, wherein: the push plate (6) is provided with a sealing ring (9), and the sealing ring (9) is arranged along the circumferential direction of the profile of the push plate (6).
4. A fly ash sampling device as defined in claim 3, wherein: the end cover (4) is detachably connected with the sampling tube (2).
5. A fly ash sampling device according to claim 4, wherein: one end of the push rod (5) penetrating through the end cover (4) is detachably connected with a pull handle (51).
6. A fly ash sampling device according to claim 5, wherein: the outer surface of the end cover (4) is rotatably connected with a baffle sheet (41) used for shielding a through hole in the end cover (4) through which the push rod (5) penetrates.
7. A fly ash sampling device as defined in claim 1, wherein: one end of the sample outlet pipe (3) connected with the sampling pipe (2) is a horn mouth.
8. A fly ash sampling device as defined in claim 2, wherein: one end of the pin rod of the spring bolt (8) inserted into the positioning hole is a tip end, and the end face of the pin rod is a spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113847.1U CN211784489U (en) | 2020-01-17 | 2020-01-17 | Coal ash sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113847.1U CN211784489U (en) | 2020-01-17 | 2020-01-17 | Coal ash sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN211784489U true CN211784489U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020113847.1U Active CN211784489U (en) | 2020-01-17 | 2020-01-17 | Coal ash sampling device |
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| CN (1) | CN211784489U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595637A (en) * | 2020-12-30 | 2021-04-02 | 唐山双阳饲料机械有限公司 | Material granularity online detection device and detection method thereof |
| CN112729974A (en) * | 2020-12-22 | 2021-04-30 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
| CN114705497A (en) * | 2022-04-29 | 2022-07-05 | 西北核技术研究所 | Single-end operated pipeline inner wall wiping sampling device |
| CN117451438A (en) * | 2023-12-20 | 2024-01-26 | 陕西金龙水泥有限公司 | Sampling device for cement clinker grinding equipment |
-
2020
- 2020-01-17 CN CN202020113847.1U patent/CN211784489U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729974A (en) * | 2020-12-22 | 2021-04-30 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
| CN112729974B (en) * | 2020-12-22 | 2022-02-18 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
| CN112595637A (en) * | 2020-12-30 | 2021-04-02 | 唐山双阳饲料机械有限公司 | Material granularity online detection device and detection method thereof |
| CN114705497A (en) * | 2022-04-29 | 2022-07-05 | 西北核技术研究所 | Single-end operated pipeline inner wall wiping sampling device |
| CN117451438A (en) * | 2023-12-20 | 2024-01-26 | 陕西金龙水泥有限公司 | Sampling device for cement clinker grinding equipment |
| CN117451438B (en) * | 2023-12-20 | 2024-04-12 | 陕西金龙水泥有限公司 | Sampling device for cement clinker grinding equipment |
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