CN213985845U - Concrete powder conveying pipe sampling device - Google Patents
Concrete powder conveying pipe sampling device Download PDFInfo
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- CN213985845U CN213985845U CN202022420331.4U CN202022420331U CN213985845U CN 213985845 U CN213985845 U CN 213985845U CN 202022420331 U CN202022420331 U CN 202022420331U CN 213985845 U CN213985845 U CN 213985845U
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Abstract
The utility model relates to a concrete technical field especially relates to concrete powder conveyer pipe sampling device, include powder pipeline and the switch board of carrying the powder to the feed bin, still include sampling branch pipe and sampling hopper, the sampling hopper passes through the sampling branch union coupling in the outside of powder pipeline, the top of sampling hopper is equipped with the end cover, the below of sampling hopper is equipped with the powder discharge valve, be equipped with the blast pipe on the end cover, the upper end of blast pipe is equipped with dust isolating device, the middle part of sampling branch pipe is equipped with the powder admission valve, powder admission valve and powder discharge valve are fixed in the middle part of sampling branch pipe and the below of sampling hopper respectively through the flange, electric connection between powder admission valve and powder discharge valve and the switch board. This scheme is used for solving artifical when taking a sample to the concrete powder, and the sampling efficiency is low and can not the powder of powder car inside carries out random sampling, the problem that the result that detects out does not have the representativeness.
Description
Technical Field
The utility model relates to a concrete technical field especially relates to concrete powder conveyer pipe sampling device.
Background
The material storage system in the concrete mixing plant refers to a stock bin which can store powder required by mixing of concrete and can supply materials to downstream equipment. The feeding of the storage bin is to blow powder into the storage bin through a feeding pipe of the powder vehicle. In the process of feeding the powder into the storage bin, the production department needs to perform sampling inspection.
Traditional inspection mode when taking a sample often makes the powder car shut down, then the sampling personnel climb to the powder car top and take a sample, and the operation is inconvenient, and the sampling can only sample the powder sample of powder car topmost, and the position of extraction is random inadequately, the inspection result of the whole car powder of reaction that can not be comprehensive.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned background art, the utility model aims to provide a concrete powder conveyer pipe sampling device for when solving the manual work and taking a sample to the concrete powder, operational environment is abominable, the sampling is inefficient and can not carry out random sampling by the inside powder of powder car, the result that detects out does not have representative's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: include powder pipeline and the switch board of carrying the powder to the feed bin, still include sampling branch pipe and sampling hopper, the sampling hopper passes through the sampling branch union coupling in powder pipeline's the outside, the top of sampling hopper is equipped with the end cover, the below of sampling hopper is equipped with the powder discharge valve, be equipped with the blast pipe on the end cover, the upper end of blast pipe is equipped with dust isolating device, the middle part of sampling branch pipe is equipped with the powder admission valve, powder admission valve and powder discharge valve are fixed in the middle part of sampling branch pipe and the below of sampling hopper respectively through the flange, electric connection between powder admission valve and powder discharge valve and the switch board.
The sampling device is characterized in that a powder sealing valve is arranged above a powder inlet end of the powder conveying pipeline, the powder sealing valve is arranged above the sampling branch pipe, and the sampling device has the advantages that the powder sealing valve is arranged on the powder conveying pipeline, the powder sealing valve is closed, powder in a storage bin can be effectively prevented from flowing back to the outside through the powder conveying pipeline to cause waste and pollution, the situation that powder with different specifications is mistakenly installed is avoided, meanwhile, the powder sealing valve is arranged above the sampling branch pipe, when the powder sealing valve is closed, air is introduced into the powder conveying pipeline, the sampling hopper can be purged, and the powder on the inner wall is discharged.
Further limit, smooth transition is made between the powder entering end of the powder conveying pipeline and the powder conveying pipeline, and the included angle is 120 degrees, so that the powder conveying pipeline and the end portion are arranged at the included angle of 120 degrees, and the discharge pipe of the powder vehicle is convenient to butt.
Further inject, the upper end of blast pipe is equipped with dust isolating device, dust isolating device is geotechnological cloth, geotechnological cloth is fixed in on the blast pipe through the rope winding, and its beneficial effect lies in, and geotechnological cloth winding is fixed on the blast pipe, mainly blocks the powder in the sampling hopper, prevents that tiny granule and dust in the powder from being blown off under the drive of air current.
Further limit, the bottom of sampling hopper is equipped with the isolation bag, the isolation bag is loudspeaker form, the upper end of isolation bag is fixed in the lower extreme of sampling hopper, and its beneficial effect lies in, when the powder discharge step of sampling hopper, the isolation bag can be kept apart tiny powder and dust, prevents that it from scattering to the external world and causing local air pollution.
Further limiting, the powder inlet valve, the powder discharge valve and the powder sealing valve are all pneumatic valves, the pneumatic valves are low in cost, and the powder sealing device is provided with a compressed gas supply pipe on a working site and is simple and convenient to use.
Further inject, the lower extreme of sampling hopper is equipped with the powder bucket of splendid attire sampling powder, the upper end of powder bucket and the detachable connection of the lower extreme of isolation bag, its beneficial part lies in, and the powder bucket is connected with the isolation bag, and the powder can not fly away when arranging the material, can collect the powder bucket with the powder in the sampling hopper is whole in.
Further inject, the tangential direction feeding of sampling branch pipe along the sampling hopper, the blast pipe is fixed to be set up in the middle part of sampling hopper, and the tangential direction feeding of sampling branch pipe along the sampling hopper can make the powder rotatory along the inner wall in the sampling hopper, and rotatory powder collision loses kinetic energy gradually on the inner wall of sampling hopper, drops to the below of sampling hopper, and gaseous bottom at the sampling hopper produces the whirl of upward movement, discharges from the blast pipe, realizes the quick separation of powder and gas.
Further inject, the upper end of powder bucket and the lower extreme of isolation bag adopt the staple bolt to connect, and its beneficial effect lies in, the mode that the staple bolt is connected is simple, and obtains easily.
The working principle of the technical scheme is as follows: when a powder car injects materials into a storage bin, a discharging pipe of the powder car is firstly butted with the end part of a powder conveying pipeline, air is blown into the powder car, at the moment, a powder sealing valve is opened under the action of a control cabinet, powder is blown into the storage bin, the control cabinet opens a powder inlet valve for 5 seconds and then closes the powder inlet valve every 5 minutes until the powder car finishes injecting the materials, the control cabinet closes the powder sealing valve after the powder injection is finished, the powder discharging valve is opened by the control cabinet to discharge the materials into a powder barrel after the powder car is kept still for 5 minutes, and the powder discharging valve is closed after the powder car is kept still for 3 minutes, so that the removal of samples in the powder barrel can be detected.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a powder conveying pipeline 1, a powder sealing valve 2, a powder inlet valve 3, a sampling branch pipe 4, a sampling hopper 5, an exhaust pipe 6, a powder discharge valve 7 and a sampling powder discharge pipe 8.
It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The specific implementation process is as follows:
as shown in figure 1, a concrete powder conveying pipe sampling device comprises a storage bin serving as a powder container, a powder conveying pipeline 1 for conveying powder to the storage bin, and a control cabinet for controlling and coordinating all parts of the whole device, wherein one end of the powder conveying pipeline is fixedly connected with the storage bin, and the powder conveying pipeline and the storage bin are communicated with each other, the other end of the powder conveying pipeline 1 extends to a powder car discharging area for conveying powder and is connected with an outlet pipeline of a storage pipe of a powder car, and under the action of air pressure, the powder in the powder tank is conveyed to the storage bin through the powder conveying pipeline.
In order to realize random sampling of powder in the powder tank and avoid the situation that the powder in the lower layer of a merchant is filled in order, a powder sampling device is arranged at the inlet end of a powder transmission pipeline, the powder sampling device mainly comprises a sampling hopper 5 arranged at the side edge of the powder transmission pipeline, an end cover is welded above the sampling hopper 5, namely, the end with larger diameter, an exhaust pipe 6 is fixedly arranged on the end cover, the exhaust pipe 6 is arranged for circulating air in the sampling hopper 5, so that the powder can be blown into the hopper by air pressure, a dust isolating device for blocking the powder is fixedly arranged above the exhaust pipe 6, the dust isolating device adopts geotechnical cloth with smaller gaps, the geotechnical cloth is bound on the exhaust pipe 6 by adopting iron wires or ribbons, and preferably, a sampling powder discharging pipe 8 is arranged at the bottom end of the sampling hopper 5, be fixed with the barrier bag in the below of sampling powder discharging pipe 8, the barrier bag is loudspeaker form, the upper end of barrier bag is fixed in the lower extreme of sampling hopper 5, the powder bucket of dress sample powder has been put to the lower extreme of barrier bag, detachable the connection between the upper end of powder bucket and the lower extreme of barrier bag, adopt the staple bolt to connect in this embodiment, its beneficial part lies in, when the powder discharge step of sampling hopper 5, the barrier bag can keep apart tiny powder and dust, prevent that it from scattering to the external world and cause local air pollution.
In order to realize that the powder enters the sampling hopper 5, a sampling branch pipe 4 is arranged between the powder transmission pipeline and the sampling hopper 5, one end of the sampling branch pipe 4 is obliquely connected with the powder transmission pipeline, the other end of the sampling branch pipe 4 is fixedly connected with an end cover of a sampling face and is communicated with the sampling hopper 5, a powder inlet valve 3 is arranged in the middle of the sampling branch pipe 4, and the control cabinet indirectly controls the on-off of the sampling branch pipe 4 by controlling the powder inlet valve 3, so that the powder sampling time is controlled, and the purpose of random sampling is achieved.
Preferably, a powder sealing valve 2 is arranged above a powder inlet end of the powder conveying pipeline 1, and the powder sealing valve 2 is positioned above the sampling branch pipe 4, so that the beneficial effects are that the powder sealing valve 2 is arranged on the powder conveying pipeline 1, the powder sealing valve 2 is closed, the powder in the storage bin can be effectively prevented from flowing back to the outside through the powder conveying pipeline 1, waste and pollution are caused, meanwhile, the powder sealing valve 2 is arranged above the sampling branch pipe 4, when the powder sealing valve 2 is closed, air is introduced into the powder conveying pipeline 1, the sampling hopper 5 can be purged, and the powder on the inner wall is discharged.
Preferably, the included angle between the powder inlet end of the powder conveying pipeline 1 connected with the powder truck and the powder conveying pipeline 1 is 120 degrees, the included angle and the powder conveying pipeline are in smooth transition, the powder inlet end is arranged obliquely downwards, and the advantage that the powder conveying pipeline is convenient to butt joint with the discharge pipe of the powder truck is achieved.
The specific working mode is as follows: when a powder truck injects materials into a storage bin, a discharge pipe of the powder truck is firstly butted with the end part of a powder conveying pipeline 1, and air is blown into the powder truck, at the moment, under the action of a control cabinet, a powder sealing valve 2 is opened, powder is blown into the storage bin, the control cabinet opens a powder inlet valve 3 for 5 seconds and then closes the powder inlet valve every 5 minutes until the powder truck injects the materials, the control cabinet closes the powder sealing valve 2 after the powder injection is finished, the control cabinet opens a powder discharge valve 7 to discharge the materials into a powder barrel after the powder truck is allowed to stand for 5 minutes, and after the powder truck stands for 3 minutes, the powder discharge valve 7 is closed, so that the removal of samples in the powder barrel can be detected.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Concrete powder conveyer pipe sampling device includes powder pipeline and the switch board of carrying the powder to the feed bin, its characterized in that: still include sampling branch pipe and sampling hopper, the sampling hopper passes through the sampling branch union coupling in the outside of powder pipeline, the top of sampling hopper is equipped with the end cover, the below of sampling hopper is equipped with the powder discharge valve, be equipped with the blast pipe on the end cover, the upper end of blast pipe is equipped with dust isolating device, the middle part of sampling branch pipe is equipped with the powder admission valve, powder admission valve and powder discharge valve pass through the flange and are fixed in the middle part of sampling branch pipe and the below of sampling hopper respectively, electric connection between powder admission valve and powder discharge valve and the switch board.
2. The concrete powder delivery pipe sampling device of claim 1, wherein: and a powder sealing valve is arranged above the powder inlet end of the powder conveying pipeline and is positioned above the sampling branch pipe.
3. The concrete powder delivery pipe sampling device of claim 2, wherein: the powder inlet end of the powder conveying pipeline and the powder conveying pipeline are in smooth transition, and the included angle is 120 degrees.
4. The concrete powder delivery pipe sampling device of claim 1, wherein: the dust isolating device is made of geotextile, and the geotextile is wound and fixed on the exhaust pipe through a rope.
5. The concrete powder delivery pipe sampling device of claim 1, wherein: the bottom of sampling hopper is equipped with the isolation bag, the isolation bag is loudspeaker form, the upper end of isolation bag is fixed in the lower extreme of sampling hopper.
6. The concrete powder delivery pipe sampling device of claim 5, wherein: the lower extreme of sampling hopper is equipped with the powder bucket of splendid attire sampling powder, the upper end of powder bucket and the detachable connection of the lower extreme of barrier bag.
7. The concrete powder delivery pipe sampling device of claim 6, wherein: the upper end of the powder barrel is connected with the lower end of the isolation bag through a hoop.
8. The concrete powder delivery pipe sampling device of claim 1, wherein: the sampling branch pipe feeds along the tangential direction of the sampling hopper, and the exhaust pipe is fixedly arranged in the middle of the sampling hopper.
9. The concrete powder delivery pipe sampling device according to claim 1 or 2, wherein: and the powder inlet valve, the powder discharge valve and the powder sealing valve are all pneumatic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420331.4U CN213985845U (en) | 2020-10-27 | 2020-10-27 | Concrete powder conveying pipe sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420331.4U CN213985845U (en) | 2020-10-27 | 2020-10-27 | Concrete powder conveying pipe sampling device |
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| CN213985845U true CN213985845U (en) | 2021-08-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804496A (en) * | 2021-10-12 | 2021-12-17 | 中建西部建设建材科学研究院有限公司 | Intelligent powder sampling device and method |
| CN114791375A (en) * | 2022-05-04 | 2022-07-26 | 浙江致远工程管理有限公司 | Intelligent equipment for building material inspection |
| CN114890175A (en) * | 2022-03-21 | 2022-08-12 | 首钢京唐钢铁联合有限责任公司 | Powder warehousing system |
-
2020
- 2020-10-27 CN CN202022420331.4U patent/CN213985845U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804496A (en) * | 2021-10-12 | 2021-12-17 | 中建西部建设建材科学研究院有限公司 | Intelligent powder sampling device and method |
| CN114890175A (en) * | 2022-03-21 | 2022-08-12 | 首钢京唐钢铁联合有限责任公司 | Powder warehousing system |
| CN114791375A (en) * | 2022-05-04 | 2022-07-26 | 浙江致远工程管理有限公司 | Intelligent equipment for building material inspection |
| CN114791375B (en) * | 2022-05-04 | 2022-10-04 | 浙江致远工程管理有限公司 | Intelligent equipment for building material inspection |
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