CN216870125U - Full-automatic dust sampler - Google Patents
Full-automatic dust sampler Download PDFInfo
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- CN216870125U CN216870125U CN202123309377.XU CN202123309377U CN216870125U CN 216870125 U CN216870125 U CN 216870125U CN 202123309377 U CN202123309377 U CN 202123309377U CN 216870125 U CN216870125 U CN 216870125U
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Abstract
The utility model discloses a full-automatic dust sampler, which comprises a sampling four-way joint, wherein a first connecting pipe of the sampling four-way joint is butted with a sampling outlet of a main pipe three-way joint of a sampling pipeline, a second connecting pipe is connected with a sampling control cylinder, a third connecting pipe is connected with a sampling barrel, and a fourth connecting pipe is connected with an exhaust component; the sampling control cylinder is used for controlling the connection and disconnection between the sampling outlet of the main pipe tee joint and the first connecting pipe of the sampling tee joint; the air exhaust assembly is arranged at the opposite end of the sampling barrel and used for exhausting the gas after the dust is statically placed and separated; the exhaust assembly comprises a dust filter and a dust exhaust air cylinder, one end of the dust filter is fixedly connected with the fourth connecting pipe, the other end of the dust filter is connected with the dust exhaust air cylinder, and the dust exhaust air cylinder is used for controlling the connection and disconnection between the fourth connecting pipe and the dust filter. This scheme simple structure, the sample is convenient, adopts automatic sample, greatly alleviates artifical sampling's working strength.
Description
Technical Field
The utility model belongs to the technical field of gas dust sampling, and particularly relates to a full-automatic dust sampler.
Background
The dust sampler is widely applied to monitoring the quality of products in petrochemical enterprises, and the quality of the products is judged to be qualified or not and the quality is evaluated by sampling and analyzing. Among the prior art, because dust sampler's structural design is still not enough very reasonable, and degree of automation is lower, needs the manual work to cooperate, takes out the appearance at the sampling in-process simultaneously and is not the live material, has influenced the quality analysis of product, and the dust that produces leaks outward in the sampling process, the polluted environment, consequently needs optimize and improve dust sampler's structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a full-automatic dust sampler which is simple in structure, convenient to sample and capable of realizing automation of sampling environmental dust.
In order to achieve the purpose, the utility model adopts the following technical scheme: a full-automatic dust sampler comprises a sampling four-way joint, wherein a first connecting pipe of the sampling four-way joint is butted with a sampling outlet of a main pipe three-way joint of a main pipeline, a second connecting pipe is connected with a sampling control cylinder, a third connecting pipe is connected with a sampling barrel, and a fourth connecting pipe is connected with an exhaust component; the sampling control cylinder is used for controlling the communication and the cut-off between the sampling outlet of the main pipe tee joint and the first connecting pipe of the sampling four-way joint; the air exhaust assembly is arranged at the opposite end of the sampling barrel and used for exhausting the gas after the dust is statically placed and separated; the exhaust assembly comprises a dust filter and a dust exhaust air cylinder, one end of the dust filter is fixedly connected with the fourth connecting pipe, the other end of the dust filter is connected with the dust exhaust air cylinder, and the dust exhaust air cylinder is used for controlling the connection and the disconnection between the fourth connecting pipe and the dust filter.
Preferably, the dust filter comprises a shell and a filter element cylinder arranged in the shell, one side of the shell is communicated with the gas discharge pipe, and one end of the filter element cylinder is butted with the fourth connecting pipe.
Preferably, the sampling barrel is mounted at a third connecting pipe of the sampling four-way joint through a movable lock catch.
As a preferred scheme, a piston rod of the sampling control cylinder is provided with a valve plug, and a valve seat matched with the valve plug is arranged at the joint of the first connecting pipe.
Preferably, two ends of the dust filter are communicated, and a valve plug on a piston rod of the dust exhaust air cylinder can move in the filter element cylinder and is used for communicating or cutting off a connecting channel between the fourth connecting pipe and the filter element cylinder.
As the preferred scheme, a control ball valve is further arranged between the sampling outlet of the main pipe tee joint and the first connecting pipe of the sampling four-way joint.
The utility model has at least the following beneficial effects:
this scheme has improved the structure of sampler, including sample cross, sampling control cylinder and several major parts such as the subassembly of airing exhaust, through the synergism of above-mentioned part, carry out automatic acquisition to each business turn over signal and handle, can carry out automatic sampling according to time and step that set up in advance, greatly alleviate manual sampling's working strength, realized the automation of dust sampling in the gas, specifically combine the structural analysis as follows: sample control cylinder withdrawal, realize the intercommunication between the person in charge tee bend on sample cross and the sampling pipeline, the person in charge tee bend is intake, and get into the sample cross through first connecting pipe, sample control cylinder extension, make and keep apart between person in charge tee bend and the sample cross, the inside independent space of formation of sample cross, gaseous after a period of time that stews including, the separation of dust has been realized, the dust air exhaust cylinder of the subassembly of airing exhaust is opened this moment, gas discharges to the atmosphere through dust filter, can not the polluted environment, and during the dust got into the sampling bucket, can make things convenient for the change of sampling bucket through loosening the hasp. In order to make the control of the whole device more convenient, a control ball valve can be arranged between the main pipe tee joint and the sampling four-way joint, the ball valve is equivalent to a pipeline after being opened, and after the ball valve is closed, the sampling four-way joint and the main pipe tee joint can be isolated, and the maintenance and the replacement of the sampler can not influence the normal production activity of the main pipeline.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of a sampler of the present invention;
FIG. 2 is a block diagram of the sampling cross-piece of the present invention;
FIG. 3 is a schematic view of the position of the valve plug according to the present invention;
the labels in the figure are: 1. the device comprises a main pipe tee joint, 2, a sampling four-way joint, 3, a sampling control cylinder, 4, a sampling barrel, 5, a dust filter, 51, a shell, 52, a filter element cylinder, 6, a dust exhaust cylinder, 7, a control ball valve, 8, a gas discharge pipe, 9, a valve plug, 9A, a first position, 9B and a second position.
Detailed Description
The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.
The embodiment provides a full-automatic dust sampler, which comprises a sampling four-way joint 2, a sampling control cylinder 3, a sampling barrel 4, a dust filter 5, a dust exhaust cylinder 6 and other parts, wherein dust-mixed gas enters through a main pipe three-way joint 1 on a main pipe, and is discharged from a discharge port on one side of a shell 51 of the dust filter 5 after being isolated and stood in the sampling four-way joint 2. Through the synergistic effect of two cylinders such as the sampling control cylinder 3 and the dust exhaust cylinder 6, the automation of gas dust sampling can be realized, and the sampling difficulty is greatly reduced.
This embodiment, be responsible for tee bend 1 including the three passageway that is linked together, one of them passageway is the sample export, and remaining two passageways dock with the trunk line respectively, and inside gas and dust realized the gas-dust separation inside sample cross 2 through being responsible for tee bend 1 and discharging into sample cross 2 through its sample export in sample cross 2.
This scheme, sample cross 2 has the connecting pipe that is four criss-cross directions, wherein first connecting pipe with the sample export butt joint of being responsible for tee bend 1, the second connecting pipe is connected with sample control cylinder 3, and its third connecting pipe fixed connection sampling bucket 4, sampling bucket 4 installs through movable lock catch sample cross 2's third connecting pipe department, can conveniently sample the change of bucket 4. Fourth connecting pipe fixed connection dust filter 5, dust filter 5 sets up directly over sampling bucket 4, and the sample separation back of stewing, the dust sinks and falls into inside sampling bucket 4, and gas is discharged by gas discharge pipe 8 on dust filter 5's the casing 51, because the filtering action of filter element section of thick bamboo 52, can reach the environment and discharge the requirement.
Referring to fig. 2, the dust filter 5 includes a housing 51 and a filter cartridge 52 disposed in the housing 51, and a side wall of the housing 51 communicates with the gas discharge pipe 8. The two ends of the dust filter 5 are through, and the valve plug 9 of the dust exhaust cylinder 6 can move in the filter element cylinder 52 of the dust filter 5 and is used for controlling the connection and disconnection between the fourth connecting pipe and the filter element cylinder 52 of the dust filter 5. And the sampling control cylinder 3 is used for controlling the connection and disconnection between the sampling outlet of the main pipe tee joint 1 and the first connecting pipe of the sampling four-way joint 2.
It should be noted that the piston rod heads of the dust exhaust cylinder 6 and the sampling control cylinder 3 are both provided with valve plugs 9, and valve seats matched with the valve plugs 9 are arranged at the corresponding valve channels, and the valve seats can adopt sealing gaskets. The valve plugs 9 of the sampling control cylinder 3 and the dust exhaust cylinder 6 are respectively provided with two positions, wherein at the first position 9A, the piston rod is in a retraction state, the connecting channel controlled by the valve plug 9 is opened, and at the second position 9B, the piston rod is in an extension state, and the connecting channel controlled by the valve plug 9 is cut off.
Considering that the application occasions of the sampler are mostly continuous production occasions, when the sampler needs to be maintained or replaced, the control ball valve 7 arranged between the main pipe tee joint 1 and the sampling tee joint 2 can be closed to cut off the air passage between the main pipe tee joint and the sampling tee joint, so that the sampler can be conveniently detached, maintained and replaced, and after the control ball valve 7 is opened, the inside of the ball valve is equivalent to a section of pipeline.
This scheme, in order to promote intelligent degree, still be provided with electrical control module, specifically include main control box and examine a bottle sensor, the pilot lamp is lighted when detecting sampling bucket 4, when the system is in the sample, stews and when the exhaust state, the pilot lamp scintillation. The main control box can control the telescopic time interval of the sampling control cylinder 3 and the dust exhaust cylinder 6, so as to control sampling and standing time, and can also control the system to realize automatic or manual mode sampling, and no matter in the automatic or manual mode, the bottle inspection lamp must be in a lighting state when sampling is executed, namely the system considers that a bottle exists, otherwise, the sampling action is forbidden. Under the automatic mode, after certain sampling moment is accomplished, the completion lamp can light, must change the sampling bottle at this moment, makes the completion lamp extinguish, just can carry out the automatic sampling at next moment. Under the manual mode, when pressing sampling button and when accomplishing the sampling, the completion lamp can light, need not change the sampling bottle this moment, presses the sampling button and can continue the sampling.
When the system is powered on for the first time, the system can execute an initialization action, namely no matter where the two cylinders are located, the system can execute a sampling cylinder stretching action first and then execute an exhaust cylinder stretching action, the number of sampling wheels at all sampling moments is set to be zero, during the initialization execution period, the running lamp can flicker, and the system prohibits all sampling operations.
When the mode is switched, the system can execute initialization action, namely, no matter where the two cylinders are located, the system can execute sampling cylinder stretching action firstly, then execute exhausting cylinder stretching action, and set the number of sampling wheels at all sampling moments to zero, during the execution of initialization, the running lamp can flash, and the system forbids all sampling operations.
After the system is installed, a manual mode is firstly used to confirm whether one sampling is enough or not, the number of rounds of automatic sampling is determined after multiple experiments, and after one round is determined, the parameter does not need to be frequently adjusted under normal conditions.
According to the scheme, the sampling quantity obtained by switching the matching of the two cylinders for several times can be judged to meet the sampling requirement according to actual test on a production field, the action and time interval of program control in the step can be determined according to actual debugging, the step is called as a small cycle of single sampling, and fixed-point sampling is required at a fixed time every day, and the step is called as a large cycle.
Application examples are given below in connection with the structure: the system is powered on, the sampling control cylinder 3 extends out first, so that the sampling pipeline is isolated from the main pipeline; the dust exhaust cylinder 6 extends out to isolate the dust filter 5 from the sampling four-way valve 2, and the sampling four-way valve 2 is in a closed state.
Firstly, sampling once, firstly, and 1 point 40 minutes, the system sends out signals to enable the sampling control cylinder 3 to withdraw, the sampling pipeline is communicated with the main pipeline, and dust flows into the sampling four-way valve 2. And 5 minutes later, the system sends out a signal to enable the sampling control cylinder 3 to extend out, the sampling pipeline is isolated from the main pipeline, and dust is settled in the sampling four-way valve 2 after standing for five minutes, so that the dust is separated from nitrogen. And thirdly, after the five-minute standing and precipitation, the system sends out an instruction for the first time, the dust exhaust air cylinder 6 is withdrawn, the sampling four-way valve 2 is communicated with the dust filter 5, and nitrogen is discharged through the filter element cylinder 52 of the dust filter 5 and the gas discharge pipe 8. Fourthly, after the nitrogen is discharged for five minutes, the system sends out an instruction to take the quick-connection sampling barrel 4 away, and the prompt is given by voice and an indicator light. And fifthly, the red light shines, the staff can open the quick connection, take the heavy sampling barrel 4 away and place the overhead sampling barrel 4. After the worker puts the overhead sampling barrel 4, the system sends out a signal, the red indication is extinguished, the dust exhaust cylinder 6 is withdrawn, and the sampling cross 2 is isolated from the dust filter 5. The system enters a next sampling timing wait state.
And secondly, repeating the step of sampling for the first time in the first step according to a set time interval of 6h (the setting of the time interval can be adjusted according to the actual situation), carrying out sampling for two, three and four times, and sequentially circulating the steps to realize the large circulation of sampling.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A full-automatic dust sampler which is characterized in that: comprises that
A first connecting pipe of the sampling four-way joint is butted with a sampling outlet of a main pipe three-way joint of the main pipeline, a second connecting pipe is connected with the sampling control cylinder, a third connecting pipe is connected with the sampling barrel, and a fourth connecting pipe is connected with the exhaust assembly;
the sampling control cylinder is used for controlling the communication and the cut-off between the sampling outlet of the main pipe tee joint and the first connecting pipe of the sampling four-way joint;
the air exhaust assembly is arranged at the opposite end of the sampling barrel and used for exhausting the gas after the dust is statically placed and separated; the exhaust assembly comprises a dust filter and a dust exhaust air cylinder, one end of the dust filter is fixedly connected with the fourth connecting pipe, the other end of the dust filter is connected with the dust exhaust air cylinder, and the dust exhaust air cylinder is used for controlling the connection and the disconnection between the fourth connecting pipe and the dust filter.
2. A fully automatic dust sampler as claimed in claim 1, wherein: the dust filter comprises a shell and a filter element cylinder arranged in the shell, one side of the shell is communicated with the gas discharge pipe, and one end of the filter element cylinder is in butt joint with the fourth connecting pipe.
3. A fully automatic dust sampler as claimed in claim 2, wherein: the sampling barrel is arranged at a third connecting pipe of the sampling four-way valve through a movable lock catch.
4. A fully automatic dust sampler as claimed in claim 1, wherein: and a valve plug is arranged on a piston rod of the sampling control cylinder, and a valve seat matched with the valve plug is arranged at the joint of the first connecting pipe.
5. A fully automatic dust sampler as claimed in claim 2, wherein: and two ends of the dust filter are communicated, and a valve plug on a piston rod of the dust exhaust air cylinder can move in the filter element cylinder and is used for communicating or cutting off a connecting channel between the fourth connecting pipe and the filter element cylinder.
6. A fully automatic dust sampler as claimed in any one of claims 1 to 5 in which: and a control ball valve is also arranged between the sampling outlet of the main pipe tee joint and the first connecting pipe of the sampling four-way joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309377.XU CN216870125U (en) | 2021-12-27 | 2021-12-27 | Full-automatic dust sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309377.XU CN216870125U (en) | 2021-12-27 | 2021-12-27 | Full-automatic dust sampler |
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| Publication Number | Publication Date |
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| CN216870125U true CN216870125U (en) | 2022-07-01 |
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| CN202123309377.XU Active CN216870125U (en) | 2021-12-27 | 2021-12-27 | Full-automatic dust sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427989A (en) * | 2021-12-27 | 2022-05-03 | 中国石油化工股份有限公司 | Full-automatic dust sampler and sampling method thereof |
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- 2021-12-27 CN CN202123309377.XU patent/CN216870125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427989A (en) * | 2021-12-27 | 2022-05-03 | 中国石油化工股份有限公司 | Full-automatic dust sampler and sampling method thereof |
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