CN202968488U - Monitoring and judging system for hydraulic decoking of delayed coking device - Google Patents
Monitoring and judging system for hydraulic decoking of delayed coking device Download PDFInfo
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- CN202968488U CN202968488U CN 201220698009 CN201220698009U CN202968488U CN 202968488 U CN202968488 U CN 202968488U CN 201220698009 CN201220698009 CN 201220698009 CN 201220698009 U CN201220698009 U CN 201220698009U CN 202968488 U CN202968488 U CN 202968488U
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- coke
- decoking
- hydraulic decoking
- tower
- monitoring device
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Abstract
The utility model discloses a monitoring and judging system for hydraulic decoking of a delayed coking device, which belongs to the technical field of hydraulic decoking of a delayed coking device. The monitoring and judging system is characterized in that a steel wire rope tension detection device, a coke cutter rotation detection device, a coke cutter displacement detection system and a dynamic coke tower hydraulic decoking monitor are respectively connected with a PLC (programmable logic controller) system; the working state in a coke tower is judged by virtue of the dynamic coke tower hydraulic decoking monitor, the steel wire rope tension detection device and the coke cutter rotation detection device which are matched with the original coke cutter displacement detection system and the PLC system; and digital or graphical display is performed via an industrial control computer and a display so as to guide the decoking operation of an operator. The monitoring and judging system disclosed by the utility model can effectively provide judgement basis for the interior state of the coke tower for the operator during hydraulic decoking work, the judgement time of the worker can be shortened, and the production efficiency can be improved. Simultaneously, the monitoring and judging system can serve as an intelligent judgement means for remote hydraulic decoking.
Description
Technical field
The utility model relates to delayed coking unit hydraulic decoking technical field, specifically a kind of monitoring judgement system to working order in the hydraulic decoking process.
Background technology
The delayed coking unit hydraulic decoking is a link in petrochemical iy produced, and the coke that needs to remove is in a large-scale vertical coke tower, only has the coke in tower is removed totally, could prepare for next production cycle.But in decoking process, for the thickness of residue coke, whether remove clean, the transformation condition of two kinds of operating modes of coke cutter (hole and cut Jiao), coke generates the working ordeies such as height, coke hardness, and the fault modes such as landslide, stifled brills, bit freezing can't look into or direct-detection judges by sight, more can not provide basis for estimation for control automatically.At present in actual production process, it is mainly the working experience that relies on the operator, the clean level of burnt groove water outlet of slipping at the bottom of listening the noise that sends in tower and watch tower by ear judges, this judgement can be subjected to weather, the four seasons, wait the impact of environmental change round the clock and deviation occurs.Simultaneously, because need artificial judgement, the operator must be in the production operation of coke tower jacking row, and the gas of noise and coke tower leakage can produce infringement to the person on the one hand, and the gas of revealing on the other hand may produce security incident, threat to life.Have at present the technical scheme that detects based on coke thickness abroad, rarely producer uses at home, but this scheme adopts a plurality of sensor acquired signal, transmit with analog quantity, signal focuses on, poor anti jamming capability, and every road signal needs to reduce with private cable and interferes with each other, be unfavorable for long-distance transmissions, the operator also needs in the production operation of coke tower jacking row.
Summary of the invention
For overcoming the deficiencies in the prior art, goal of the invention of the present utility model is to provide a kind of delayed coking unit hydraulic decoking monitoring judgement system, makes the operator can monitor judgement to the working order in the hydraulic decoking process away from the production scene.
For achieving the above object, steel cable tension tester of the present utility model, coke cutter rotation detecting device, coke cutter displacement detection system, hydraulic decoking dynamic monitoring device are connected with the PLC programmable control system respectively, the judgement of realization to working order in coke tower and fault mode carried out numeral or figure demonstration by industrial control computer and indicating meter.
Described hydraulic decoking dynamic monitoring device be two and more than, each hydraulic decoking dynamic monitoring device is connected in parallel on a communication line, each hydraulic decoking dynamic monitoring device all has a unique digital physical address, the residing location association of coke cutter in its physical address and coke tower.
Described hydraulic decoking dynamic monitoring device is distributed on the coke tower outer wall by vibration probe.
Described one of them hydraulic decoking dynamic monitoring device be used for the boring of judgement coke cutter and cut the transformation condition of burnt two kinds of operating modes and during green coke coke generate height, coke relative hardness, be arranged on coke cutter and advance tower safety interlocking point, all the other are used for judge the thickness of correspondence position residue coke or decoking whether quantity and the installation site of clean water power decoking dynamic monitoring device, according to the height of coke tower with judge that the requirement of precision is configured.
The sleeve of described vibration probe is threaded with mount pad, and stop screw is housed on mount pad, and by the preload pressure of the feeler lever in the turnbarrel adjustable sleeve to coke tower tower wall, preload pressure is provided by the spring on feeler lever; Mount pad is fixed on by web member on the shell of thermal insulation layer, for sleeve provides support; Sleeve one end is equipped with plug screw, for the spring on its feeler lever provides support; The end that the feeler lever top contacts with the tower wall is the arc-shaped structure that feeler lever can be slided on the tower wall; The other end of feeler lever is shaped with screw thread, is used for connecting hydraulic decoking dynamic monitoring device; Scatterer is equipped with in the outside of sleeve.
Described steel cable tension tester is by two roller supporting steel-cables, and the head of pressure transmitter withstands wireline, and pressure transmitter is connected to umformer by cable, and umformer is connected with the PLC programmable control system by communication line.
The utility model utilizes hydraulic decoking dynamic monitoring device, steel cable tension tester, coke cutter rotation detecting device, coordinate the realization of original coke cutter displacement detection system and PLC programmable control system to the judgement of working order in coke tower and fault mode, and carry out numeral or figure by industrial control computer and indicating meter and show, for operator's decoking operation provides guidance.
The utility model compared with prior art, the basis for estimation of coke tower internal state can effectively be provided in the hydraulic decoking operation for the operator, reduce the time of workman's judgement, enhance productivity, provide a kind of intelligentized judging means for the remote hydraulically decoking simultaneously.
Description of drawings
Fig. 1 is connection diagram of the present utility model.
Fig. 2 is the utility model steel cable tension tester scheme of installation.
Fig. 3 is the utility model vibration probe structure iron.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model steel cable tension tester 2, coke cutter rotation detecting device 4, coke cutter displacement detection system 5, hydraulic decoking dynamic monitoring device 6 are connected with PLC programmable control system 1 respectively, the judgement of realization to coke tower 10 interior working ordeies carried out numeral or figure demonstration by industrial control computer 7 and indicating meter 8.PLC programmable control system 1 obtains coke cutter 9 residing position, direction of motion and speed by coupled coke cutter displacement detection system 5; Obtain the vibration performance of correspondence position coke tower 10 by coupled coke tower hydraulic decoking dynamic monitoring device 6; Obtain coke cutter 9 velocity of rotation parameters by coupled coke cutter rotation detecting device 4; Obtain the strained condition of wireline 3 by coupled steel cable tension tester 2.These parameters of 1 pair of all acquisition of PLC programmable control system are carried out working order and fault mode judgement, and industrial control computer 7 obtains judged result from PLC programmable control system 1, then by indicating meter 8, result is presented on screen.For operator's remote manual decoking process provides operating basis, also provide a kind of solution for the remote auto decoking process.
Coke tower hydraulic decoking dynamic monitoring device 6 is a plurality of, each hydraulic decoking dynamic monitoring device 6 is connected in parallel on a communication line 12, each hydraulic decoking dynamic monitoring device 6 all has a unique digital physical address, and the coke cutter 9 residing position in its physical address and coke tower 10 is undertaken related by agreement; Hydraulic decoking dynamic monitoring device 6 is distributed on coke tower 10 outer walls by vibration probe 11; The vibration of hydraulic decoking dynamic monitoring device 6 monitoring coke towers 10 analyzes characteristic parameter, is sent to PLC programmable control system 1 by communication line 12.Coke cutter displacement detection system 5 being obtained coke cutter 9 residing position in PLC programmable control system 1 is associated together with corresponding hydraulic decoking dynamic monitoring device 6; One of them hydraulic decoking dynamic monitoring device 6 be used for the boring of judgement coke cutter and cut the transformation condition of burnt two kinds of operating modes and during green coke coke generate height, coke relative hardness, be arranged on coke cutter 9 and advance tower safety interlocking point (approximately advance tower five meters), quantity and the installation site of all the other hydraulic decoking dynamic monitoring devices 6, be configured according to the height of coke tower and the requirement of judgement precision, be used for judging whether thickness or the decoking of correspondence position residue coke be clean.
The sleeve 18 of vibration probe 11 is threaded with mount pad 22, stop screw 24 is housed on mount pad 22, the sleeve 18 that assurance regulates preload pressure no longer rotates, by the preload pressure of the 21 pairs of coke tower tower walls 25 of feeler lever in turnbarrel 18 adjustable sleeves 18, preload pressure is provided by the spring 23 that is enclosed within on feeler lever 21; Mount pad 22 is fixed on by web member 26 on the skin 17 of thermal insulation layer 16, for sleeve 18 provides support, by changing the feeler lever 21 of different lengths, adapts to the thermal insulation layer 16 of different thickness; Sleeve 18 1 ends are equipped with plug screw 20, for the spring 23 on its feeler lever 21 provides support; The end that feeler lever 21 tops contact with tower wall 25 is the arc-shaped structure that feeler lever 21 can be slided on tower wall 25, can not make semisphere, in order to avoid feeler lever 21 extrudes the hole on tower wall 25; The other end of feeler lever 21 is shaped with screw thread, is used for connecting hydraulic decoking dynamic monitoring device 6; Scatterer 19 is equipped with in the outside of sleeve 18, scatterer 19 is made lune, two lunes are installed together and form complete scatterer, and the effect of scatterer 19 is to reduce the heat that is transmitted on hydraulic decoking dynamic monitoring device 6, makes the 6 reliable and stable work of hydraulic decoking dynamic monitoring device.
Steel cable tension tester 2, by two rollers, 14 supporting steel-cables 3, the head of pressure transmitter 15 withstands wireline 3, and pressure transmitter 15 is connected to umformer 13 by cable, and umformer 13 is connected with PLC programmable control system 1 by communication line 12.In PLC programmable control system 1, according to the tension variations of steel cable tension tester 2 detections and the coke cutter rotary state of coke cutter rotation detecting device 4 detections, the fault modes such as judgement landslide, stifled brill, bit freezing, wireline 3 mistake power fractures.
The utility model adopts communication line 12 to carry out digital transmission, advantage is that the inner parameter of hydraulic decoking dynamic monitoring device 6, steel cable tension tester 2 can receive instruction by communication line 12 and carry out the self-adaptation adjustment, make its variation that adapts to the various parameters of hydraulic decoking system (hydraulic pressure, jet size, tower diameter etc.), also convenient software to these intelligence instruments carries out remote upgrade.
Claims (3)
1. delayed coking unit hydraulic decoking monitoring judgement system, it is characterized in that: steel cable tension tester (2), coke cutter rotation detecting device (4), coke cutter displacement detection system (5), hydraulic decoking dynamic monitoring device (6) are connected with PLC programmable control system (1) respectively, the judgement of realization to the interior working order of coke tower (10) carried out numeral or figure demonstration by industrial control computer (7) and indicating meter (8).
2. delayed coking unit hydraulic decoking according to claim 1 monitoring judgement system, it is characterized in that: described hydraulic decoking dynamic monitoring device (6) be two and more than, each hydraulic decoking dynamic monitoring device (6) is connected in parallel on a communication line (12), each hydraulic decoking dynamic monitoring device (6) all has a unique digital physical address, the residing location association of coke cutter (9) in its physical address and coke tower (10);
Described hydraulic decoking dynamic monitoring device (6) is distributed on coke tower (10) outer wall by vibration probe (11);
Described one of them hydraulic decoking dynamic monitoring device (6) be used for the boring of judgement coke cutter and cut the transformation condition of burnt two kinds of operating modes and during green coke coke generate height, coke relative hardness, being arranged on coke cutter (9) advances tower safety interlocking point (27) and locates, all the other are used for judge the thickness of correspondence position residue coke or decoking whether quantity and the installation site of clean water power decoking dynamic monitoring device (6), according to the height of coke tower with judge that the requirement of precision is configured;
The sleeve (18) of described vibration probe (11) is threaded with mount pad (22), stop screw (24) is housed on mount pad (22), by the preload pressure of the feeler lever (21) in turnbarrel (18) adjustable sleeve (18) to coke tower tower wall (25), preload pressure is provided by the spring (23) on feeler lever (21); Mount pad (22) is fixed on by web member (26) on the shell (17) of thermal insulation layer (16), for sleeve (18) provides support; Sleeve (18) one ends are equipped with plug screw (20), for the spring (23) on its feeler lever (21) provides support; The arc-shaped structure of the end that feeler lever (21) top contacts with tower wall (25) for feeler lever (21) can be slided on Ta Bi (25); The other end of feeler lever (21) is shaped with screw thread, is used for connecting hydraulic decoking dynamic monitoring device (6); Scatterer (19) is equipped with in the outside of sleeve (18).
3. delayed coking unit hydraulic decoking according to claim 1 monitoring judgement system, it is characterized in that: steel cable tension tester (2) is by two rollers (14) supporting steel-cables (3), the head of pressure transmitter (15) withstands wireline (3), pressure transmitter (15) is connected to umformer (13) by cable, and umformer (13) is connected with PLC programmable control system (1) by communication line (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698009 CN202968488U (en) | 2012-12-17 | 2012-12-17 | Monitoring and judging system for hydraulic decoking of delayed coking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698009 CN202968488U (en) | 2012-12-17 | 2012-12-17 | Monitoring and judging system for hydraulic decoking of delayed coking device |
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| CN202968488U true CN202968488U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220698009 Expired - Fee Related CN202968488U (en) | 2012-12-17 | 2012-12-17 | Monitoring and judging system for hydraulic decoking of delayed coking device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938011A (en) * | 2016-07-15 | 2016-09-14 | 武汉理工大学 | Method for judging work state of drilling rod in hydraulic decoking process in real time |
| CN106153482A (en) * | 2016-07-13 | 2016-11-23 | 武汉理工大学 | In a kind of hydraulic decoking process coke drum, focus layer hardness is distributed in provision of on-line analysis methodology |
| CN106635121A (en) * | 2015-07-22 | 2017-05-10 | 中国石油化工股份有限公司 | Decoking control system |
-
2012
- 2012-12-17 CN CN 201220698009 patent/CN202968488U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635121A (en) * | 2015-07-22 | 2017-05-10 | 中国石油化工股份有限公司 | Decoking control system |
| CN106635121B (en) * | 2015-07-22 | 2019-05-24 | 中国石油化工股份有限公司 | Devoke control system |
| CN106153482A (en) * | 2016-07-13 | 2016-11-23 | 武汉理工大学 | In a kind of hydraulic decoking process coke drum, focus layer hardness is distributed in provision of on-line analysis methodology |
| CN106153482B (en) * | 2016-07-13 | 2018-11-06 | 武汉理工大学 | Focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum |
| CN105938011A (en) * | 2016-07-15 | 2016-09-14 | 武汉理工大学 | Method for judging work state of drilling rod in hydraulic decoking process in real time |
| CN105938011B (en) * | 2016-07-15 | 2017-08-11 | 武汉理工大学 | A kind of hydraulic decoking process drilling rod working condition real-time judgment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Monitoring and judging system for hydraulic decoking of delayed coking device Effective date of registration: 20151231 Granted publication date: 20130605 Pledgee: Bank of Hankou, Limited by Share Ltd, Xiangyang branch Pledgor: XIANGYANG HANGSHENG PETRO-CHEMICAL ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. Registration number: 2015990001172 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20191217 |