CN217442640U - Simple ash hopper material level judging device on site - Google Patents
Simple ash hopper material level judging device on site Download PDFInfo
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- CN217442640U CN217442640U CN202221510099.6U CN202221510099U CN217442640U CN 217442640 U CN217442640 U CN 217442640U CN 202221510099 U CN202221510099 U CN 202221510099U CN 217442640 U CN217442640 U CN 217442640U
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Abstract
The utility model discloses an on-site simple ash bucket material level judging device, which comprises a raw material level switch and a plurality of auxiliary components, wherein each auxiliary component is arranged around the raw material level switch, and each auxiliary component comprises a sampling device, an anti-blocking device and a measuring device, wherein the measuring device comprises an instrument primary valve, a negative pressure gauge and an air check valve, and the anti-blocking device comprises a compressed air source and an air source purge valve; a sampling interface of the sampling device is inserted into a smoke duct of the ash bucket, and a sample outlet of the sampling device is divided into two paths, wherein one path is communicated with an empty check valve, and the other path is communicated with a negative pressure meter through a primary meter valve; the blowing interface of the sampling device is connected with a compressed air source through an air source blowing valve, and the raw material level switch is inserted into the ash bucket.
Description
Technical Field
The utility model relates to a material level judges device, concretely relates to simple and easy type ash bucket material level judges device on spot.
Background
The measurement of the material level of an ash hopper of a dust remover in a smoke and air duct system of a coal-fired unit is related to the safe operation of the unit, and the material level of the ash hopper of the unit is too high due to inaccurate measurement of the material level of the dust remover, so that the ash hopper is deformed or torn, and the conditions of unit outage and personnel accidents are caused. The existing equipment commonly used for measuring the ash hopper material level is a remote transmission type material level switch. The position of ash in the ash hopper is judged by the contact with the material and the change of capacitance and potential. The measurement is carried out by means of a fine equipment principle, and after the equipment is installed, the safety position of the ash level is judged by lacking of an intuitive phenomenon, and the ash level is inconvenient to check when a fault occurs. Due to the high cost of the material level switch, the general installation quantity is small, the intuition is lacked, whether the measuring equipment has misinformation or abnormity or not is judged, and operating personnel have no intuition judgment basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a simple and easy type ash bucket material level decision maker on the spot, the device can complementary raw materials position switch measure the ash bucket material level not directly perceived and defect with high costs.
In order to achieve the above purpose, the on-site simple ash hopper material level judging device of the utility model comprises a raw material level switch and a plurality of auxiliary components, wherein each auxiliary component is arranged around the raw material level switch, and each auxiliary component comprises a sampling device, an anti-blocking device and a measuring device, wherein the measuring device comprises an instrument primary valve, a negative pressure gauge and an air check valve, and the anti-blocking device comprises a compressed air source and an air source purge valve;
a sampling interface of the sampling device is inserted into a smoke duct of the ash bucket, and a sample outlet of the sampling device is divided into two paths, wherein one path is communicated with an empty check valve, and the other path is communicated with a negative pressure meter through a primary meter valve; the blowing interface of the sampling device is connected with a compressed air source through an air source blowing valve, and the raw material level switch is inserted into the ash bucket.
The sampling device is communicated with the gas source purging valve through a first instrument tube.
The sampling device is communicated with the instrument primary valve and the empty check valve through a second instrument tube.
The sampling device is a straight-through sampling device.
The sampling device is obliquely inserted into the ash bucket.
The insertion angle of the sampling device with respect to the horizontal is greater than 45 °.
Each auxiliary assembly is arranged on the left side, the right side, the upper side and the lower side of the raw material level switch.
The distance between the auxiliary assembly and the material level switch is 300 mm.
The utility model discloses following beneficial effect has:
simple and easy type ash bucket material level decision maker on spot when concrete operation, whether sample connection department of sampling device piles up in the auxiliary assembly in place through the negative pressure table preliminary judgement, when negative pressure table does not have the negative pressure value promptly, then can preliminary judgement sample connection department of sampling device in the auxiliary assembly in place has the ash to pile up, whether the rethread has the sensation of whether negative pressure suction to empty inspection valve department, sample connection department with sampling device in the final judgement place auxiliary assembly has the ash to pile up, measure the defect that the ash bucket material level is not directly perceived and with high costs with complementary raw material level switch, whether the possibility of wrong report appears in convenient inspection raw material level switch simultaneously, moreover, the steam generator is simple in structure, and convenient for operation, the practicality is extremely strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a sampling device, 2 is an instrument primary valve, 3 is a negative pressure meter, 4 is an empty check valve, 5 is an air source purge valve, 6 is a raw material level switch, 7 is an ash bucket, 81 is a first instrument tube, and 82 is a second instrument tube.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the simple and easy type ash bucket material level judging device in situ of the present invention comprises a raw material level switch 6 and a plurality of auxiliary components, wherein each auxiliary component is arranged around the raw material level switch 6, and each auxiliary component comprises a sampling device 1, an anti-blocking device and a measuring device, wherein the measuring device comprises an instrument primary valve 2, a negative pressure gauge 3 and an air check valve 4, and the anti-blocking device comprises a compressed air source and an air source purge valve 5;
a sampling interface of the sampling device 1 is inserted into a flue gas duct of the ash bucket 7, a sample outlet of the sampling device 1 is divided into two paths, one path is communicated with the empty investigation valve 4, and the other path is communicated with the negative pressure meter 3 through the primary meter valve 2; the purging interface of the sampling device 1 is connected with a compressed air source through an air source purging valve 5.
The raw material level switch 6 is inserted into the ash bucket 7, in addition, the sampling device 1 is communicated with the air source purging valve 5 through a first instrument tube 81, and the sampling device 1 is communicated with the instrument primary valve 2 and the air inspection valve 4 through a second instrument tube 82.
It should be noted that the sampling device 1 is a straight-through sampling device, and the sampling device 1 is obliquely inserted into the ash hopper 7, wherein the insertion angle of the sampling device 1 relative to the horizontal direction is greater than 45 °.
The auxiliary components are arranged on the left side, the right side, the upper side and the lower side of the raw material level switch 6. Preferably, the distance between the auxiliary component and the material level switch 6 is 300 mm.
It should be noted that the utility model discloses set up the purge interface on sampling device 1, the purge air source comes from the compressed air nearby, and when personnel patrol and examine on the spot, sweeps the pipeline through the purge device, avoids the jam under the abnormal conditions.
When the device normally operates, the air source purge valve 5 is closed, the primary instrument valve 2 is opened, the empty check valve 4 is closed, and the material level of the ash bucket 7 is judged according to the negative pressure value of the negative pressure meter 3, namely when the negative pressure value detected by the negative pressure meter 3 is close to the detection result of the negative pressure meter on the smoke duct, the sampling opening of the sampling device 1 in the auxiliary assembly can be judged to be free of accumulation; when the negative pressure meter 3 has no negative pressure value, the ash accumulation at the sampling port of the sampling device 1 in the auxiliary assembly can be preliminarily judged, the empty inspection valve 4 is opened at the moment, whether the empty inspection valve 4 has the negative pressure suction feeling or not is judged, when the empty inspection valve 4 has the negative pressure suction feeling, the ash accumulation at the sampling port of the sampling device 1 in the auxiliary assembly can be finally judged, when the empty inspection valve 4 has the negative pressure suction feeling, the pipeline is purged through the purging device, and then the judgment is carried out again. In addition, it should be noted that, during each inspection, the pipeline needs to be purged first, and after purging is finished, measurement and judgment are performed, so as to avoid erroneous judgment caused by material blockage.
The present invention is used in connection with field practice in a plurality of projects. Make up the not enough of raw materials level switch 6, the auxiliary assembly is as the auxiliary judgement means of raw materials level switch 6, participate in daily operation and maintenance, can be in the condition of the intuitive judgement ash bucket 7 material level during unit operation, because the cost is lower, can arrange this auxiliary assembly respectively in ash bucket 7 different positions, according to the experience of existing project, generally arrange respectively in the horizontal position of raw materials level switch 6, upper and lower position, can judge in time and investigate the running state of raw materials level switch 6, the result of judging through each auxiliary assembly, can be supplementary to the running state of raw materials level switch 6 and investigate.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (8)
1. The on-site simple ash hopper material level judging device is characterized by comprising a raw material level switch (6) and a plurality of auxiliary components, wherein each auxiliary component is arranged around the raw material level switch (6), and each auxiliary component comprises a sampling device (1), an anti-blocking device and a measuring device, wherein the measuring device comprises an instrument primary valve (2), a negative pressure gauge (3) and an air check valve (4), and the anti-blocking device comprises a compressed air source and an air source purge valve (5);
a sampling interface of the sampling device (1) is inserted into a smoke air duct of the ash bucket (7), a sample outlet of the sampling device (1) is divided into two paths, wherein one path is communicated with the empty inspection valve (4), and the other path is communicated with the negative pressure meter (3) through the instrument primary valve (2); the blowing connector of the sampling device (1) is connected with a compressed air source through an air source blowing valve (5), and a raw material level switch (6) is inserted into an ash hopper (7).
2. The in-situ simple ash hopper material level judging device according to claim 1, wherein the sampling device (1) is communicated with the gas source purge valve (5) through a first instrument tube (81).
3. The in-situ simple ash hopper material level judging device according to claim 2, characterized in that the sampling device (1) is communicated with the meter primary valve (2) and the empty check valve (4) through a second meter pipe (82).
4. The in-situ simplified type ash hopper level judging device according to claim 1, characterized in that the sampling device (1) is a straight-through type sampling device.
5. The in-situ simplified ash hopper level judging device according to claim 1, characterized in that the sampling device (1) is inserted obliquely into the ash hopper (7).
6. The in-situ simplified ash hopper level judging device according to claim 5, characterized in that the insertion angle of the sampling device (1) with respect to the horizontal direction is larger than 45 °.
7. The on-site simple ash hopper material level judging device according to claim 1, wherein each auxiliary component is provided on the left, right, upper and lower sides of the raw material level switch (6).
8. The in-situ simplified ash hopper material level judging device according to claim 7, characterized in that the distance between the auxiliary component and the material level switch (6) is 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221510099.6U CN217442640U (en) | 2022-06-16 | 2022-06-16 | Simple ash hopper material level judging device on site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221510099.6U CN217442640U (en) | 2022-06-16 | 2022-06-16 | Simple ash hopper material level judging device on site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217442640U true CN217442640U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221510099.6U Active CN217442640U (en) | 2022-06-16 | 2022-06-16 | Simple ash hopper material level judging device on site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217442640U (en) |
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2022
- 2022-06-16 CN CN202221510099.6U patent/CN217442640U/en active Active
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