CN108871706A - A kind of leakage detection equipment of raw coke over gas riser residual heat recovery device - Google Patents
A kind of leakage detection equipment of raw coke over gas riser residual heat recovery device Download PDFInfo
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- CN108871706A CN108871706A CN201810826509.XA CN201810826509A CN108871706A CN 108871706 A CN108871706 A CN 108871706A CN 201810826509 A CN201810826509 A CN 201810826509A CN 108871706 A CN108871706 A CN 108871706A
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- detection
- heat recovery
- recovery device
- water tank
- raw coke
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
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- General Physics & Mathematics (AREA)
- Coke Industry (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of leakage detection equipments of raw coke over gas riser residual heat recovery device, including detecting water tank, the top surface of the detection water tank is fixedly installed with leak detection disk, one end of the leak detection disk is provided with air pump, and the outlet air end of air pump is fixedly connected by solenoid valve with leak detection disk, and the inside middle section of leak detection disk is equipped with air bag, the air pump is connected to air bag, the symmetrical erecting and welding in top of the detection water tank has guide pipe, it is ingenious by overall construction design, it is compact-sized, it is practical, cost is relatively low；The detection method has higher detection accuracy and detection frequency, since the detection device is smaller to the dependence of whole external environment in the detection process, stablize as long as primary condition meets i.e. height above sea level, liquid level etc., detection temperature, the detection method of this patent is executable, and testing result will not generate error because of external environment, to which the probability and detection accuracy of its detection are unaffected, it is suitble to popularize.
Description
Technical field
The invention belongs to waste heat of coke oven recyclable device technical fields, and in particular to a kind of raw coke over gas riser waste heat time
The leakage detection equipment of receiving apparatus.
Background technique
In general, the structure of raw coke over gas riser residual heat recovery device is substantially：It is made of inner barrel and outer barrel, it is inside and outside
It is toroidal cavity between cylinder, is filled with heat-conducting medium in toroidal cavity, coiled tube arrangements are in coil pipe within above-mentioned toroidal cavity
Heat transferring medium, such as water or conduction oil.
Above-mentioned tedge waste-heat recovery device in operation because expanding with heat and contract with cold, thermal stress, external impacts, the reasons such as corrosion can
The breakages such as perforation, crack can occur.After device is damaged, not only itself be can not work normally, but also if heat transferring medium enters coke
Furnace will affect normal production, or even cause the accident.It there is no method that can timely and effectively find and judge that tedge waste heat returns at present
The leakage situation of receiving apparatus.For this purpose, it is proposed that a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device
To solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device, with
It solves to propose the problems of the prior art in above-mentioned background technique.
To achieve the above object, present invention employs following technical solutions：
A kind of leakage detection equipment of raw coke over gas riser residual heat recovery device, including detection water tank, the detection water tank
Top surface be fixedly installed with leak detection disk, one end of the leak detection disk is provided with air pump, and air pump goes out
Wind end is fixedly connected by solenoid valve with leak detection disk, and the inside middle section of leak detection disk is equipped with air bag, the air pump
It is connected to air bag, the symmetrical erecting and welding in top of the detection water tank has guide pipe, and the internal slide connection of guide pipe
Have a lift adjustment pipe, the top of the lift adjustment pipe is equipped with limit plate, and the bottom end of lift adjustment pipe be fixedly installed with it is floating
Plate is equipped with intake pump in the one side wall of the detection water tank, and the side bottom for detecting water tank is equipped with water outlet pump, the gas
Leak detection mechanism is installed, the internal engagement of the air bag is connected with coal gas tedge waste-heat recovery device on capsule.
Preferably, the coal gas tedge waste-heat recovery device includes outer cylinder, inner cylinder, coil pipe and cavity, the outer cylinder and
Tubbiness cavity is formed between inner cylinder, and the inside of cavity is filled with solid powder heat-conducting medium and inert gas, and inert gas
Inside for nitrogen, the coil pipe is filled with water or conduction oil.
Preferably, the leak detection mechanism includes temperature sensor, pressure sensor and timer, the temperature sensing
Device and timer are located at the left and right sides of timer.
Preferably, the top of the guide pipe and the outside of lift adjustment pipe are socketed with coil.
Preferably, liquid level sensor, the model PY201 of the liquid level sensor are installed on the detection water tank.
Preferably, the model of the air pump is ZWY-85/110-G or ZWY-110/160-G, ZWY-130/160-G；
Air pump motor power is 110-160kw；Maximum sucking rate is 85-130m3/min；The model 2W-15 of the solenoid valve；Institute
State the model 400G-8816 of intake pump；The model 50G/75G8806 or TDC5225 of the water outlet pump.
Preferably, the bottom four corners of the detection water tank are symmetrically equipped with four groups of directional wheels.
Technical effect and advantage of the invention：A kind of raw coke over gas riser residual heat recovery device proposed by the present invention
Leakage detection equipment, it is compared with prior art, ingenious by overall construction design, it is compact-sized, it is practical, cost is relatively low；
The detection method has higher detection accuracy and detection frequency, since the detection device is in the detection process to whole extraneous ring
The dependence in border is smaller, as long as primary condition meets i.e. height above sea level, liquid level etc., detection temperature and stablizes, the detection method of this patent
It executes, and testing result will not generate error because of external environment, so that the probability of its detection and detection accuracy not will receive shadow
It rings；The scheme of the invention detection cycle is time-consuming less.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of structure of the invention；
Fig. 3 is the structural schematic diagram of coal gas tedge waste-heat recovery device of the present invention；
Fig. 4 is the structural schematic diagram of leak detection mechanism of the present invention.
In figure：1, water tank is detected；2, leak detection disk；3, air pump；4, solenoid valve；5, intake pump；6, water outlet pump；7, it revolves
Pipe；8, guide pipe；9, lift adjustment pipe；10, kickboard；11, directional wheel；12, limit plate；13, liquid level sensor；14, on coal gas
Riser waste-heat recovery device；141, outer cylinder；142, inner cylinder；143, coil pipe；144, cavity；15, air bag；16, leak detection mechanism；
161, temperature sensor；162, pressure sensor；163, timer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment：
The present invention provides a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device as shown in Figs 1-4,
Including detecting water tank 1, the top surface of the detection water tank 1 is fixedly installed with leak detection disk 2, the leak detection disk 2
One end is provided with air pump 3, and the outlet air end of air pump 3 is fixedly connected by solenoid valve 4 with leak detection disk 2, and leaks inspection
The inside middle section for surveying disk 2 is equipped with air bag 15, and the air pump 3 is connected to air bag 15, and the top of the detection water tank 1 is symmetrical
Erecting and welding has guide pipe 8, and the internal slide of guide pipe 8 is connected with lift adjustment pipe 9, the top of the lift adjustment pipe 9
Limit plate 12 is installed, and the bottom end of lift adjustment pipe 9 is fixedly installed with kickboard 10, pacifies in the one side wall of the detection water tank 1
Equipped with intake pump 5, and the side bottom for detecting water tank 1 is equipped with water outlet pump 6, is equipped with leak detection mechanism on the air bag 15
16, the internal engagement of the air bag 15 is connected with coal gas tedge waste-heat recovery device 14.
Preferably, the coal gas tedge waste-heat recovery device 14 includes outer cylinder 141, inner cylinder 142, coil pipe 143 and cavity
144, tubbiness cavity 144 is formed between the outer cylinder 141 and inner cylinder 142, and the inside of cavity 144 is thermally conductive filled with solid powder
Medium and inert gas, and inert gas is nitrogen, the inside of the coil pipe 143 is filled with water or conduction oil.
Preferably, the leak detection mechanism 16 includes temperature sensor 161, pressure sensor 162 and timer 163,
The temperature sensor 161 and timer 163 are located at the left and right sides of timer 163.
By using above-mentioned technical proposal, the leak detection mechanism 16 includes temperature sensor 161, pressure sensor
162 and timer 163, the temperature sensor 161 and timer 163 are located at the left and right sides of timer 163, and temperature passes
Sensor 161 is the temperature variations that TS monitors waste-heat recovery device space at the appointed time.If temperature at the appointed time
Do not change or variable quantity is very 0.1 DEG C of i.e. < small, then continues to execute leak detection；If temperature variation at the appointed time
It is larger, then terminate leak detection；Because temperature has a great impact to the air pressure in waste-heat recovery device, if during leak detection
The temperature for sealing waste-heat recovery device space is unstable, then its pressure is also unstable, if executing leakage within this time
Detection, the accuracy of final testing result is lower, results even in external ECU service system erroneous judgement.
Preferably, the top of the guide pipe 8 and the outside of lift adjustment pipe 9 are socketed with coil 7.
By using above-mentioned technical proposal, the top of the guide pipe 8 and the outside of lift adjustment pipe 9 are socketed with coil 7,
The rotation of coil 7 can control lift adjustment pipe 9 and realize that vertical lifting is adjusted along guide pipe 8, so that convenient rise coal gas
Pipe carries out vertical lifting adjusting, carries out leak detection efficiency to coal gas tedge and greatly improves.
Preferably, being equipped with liquid level sensor 13, the model of the liquid level sensor 13 on the detection water tank 1
PY201。
By using above-mentioned technical proposal, liquid level sensor 13 is installed on the detection water tank 1, so also having liquid level
Detection function.
Preferably, the model of the air pump 3 is ZWY-85/110-G or ZWY-110/160-G, ZWY-130/160-
G；Air pump motor power is 110-160kw；Maximum sucking rate is 85-130m3/min；The model 2W- of the solenoid valve 4
15；The model 400G-8816 of the intake pump 5；The model 50G/75G8806 or TDC5225 of the water outlet pump 6.
By using above-mentioned technical proposal, the model of the air pump 3 is ZWY-85/110-G；Air pump motor power
For 110-160kw；Maximum sucking rate is 85-130m3/min；The model 2W-15 of the solenoid valve 4；The type of the intake pump 5
Number be 400G-8816；The model 50G/75G8806 of the water outlet pump 6,.
Preferably, the bottom four corners of the detection water tank 1 are symmetrically equipped with four groups of directional wheels 11.
By using above-mentioned technical proposal, the bottom four corners of the detection water tank 1 are symmetrically equipped with four groups of directional wheels
11, directional wheel 11 is set, and convenient for the movement and carrying of equipment, 7 specification of directional wheel is：Wheel diameter 71mm, wheel face width 30mm,
Bearing designation 6001, internal diameter 12mm.
Working principle：Coal gas tedge waste-heat recovery device 14 is plugged into the inside of air bag 15 and by coal gas tedge
Waste-heat recovery device 14 contradicts the top surface for arriving kickboard 10, starts air pump 3, inflates into leak detection disk 2, leak detection
The temperature sensor 161 of mechanism 16 is the temperature variations that TS monitors waste-heat recovery device space at the appointed time.If
Temperature does not change in stipulated time or variable quantity is very 0.1 DEG C of i.e. < small, then continues to execute leak detection；If in regulation
Interior temperature variation is larger, then terminates leak detection；Because temperature has a great impact to the air pressure in waste-heat recovery device,
If the temperature for sealing waste-heat recovery device space during leak detection is unstable, then its pressure is also unstable, if in this section
Leak detection is executed in time, the accuracy of final testing result is lower, results even in external ECU service system and misses
Sentence, pressure sensor 162 is that the pressure in PS monitoring coal gas tedge waste-heat recovery device 14 is set when pressure reaches preset value P
When, air pump 3, which is closed, stops inflation；Solenoid valve 4, abbreviation VSV are closed, cutting coal gas tedge waste-heat recovery device 14 is connected to greatly
The pipeline of gas, to seal coal gas tedge waste-heat recovery device 14；163 Timer of timer is opened, record P sets attenuation change
Time, the closing of air pump 3, the closing of VSV, the unlatching of 163 Timer of timer are synchronous execution, are preset at one
Frequency under, PS will monitoring sealing coal gas tedge waste-heat recovery device 14 pressure changing, PS, TS in this time
It can continue to upload to collected data into external ECU system with Timer, by wherein preset detection program to being collected into
Data arranged, and analysis is compared with the nominal change value of pressure being verified before, to determine to detect
Pass through or failure.Firstly, if in defined time Δ t, pressure is set to P1's from P in the case where temperature T remains constant
Changes delta P < Δ P0.5, if sealing system has the leak of O.5 millimeter, the change value of pressure in Δ t is Δ P0.5, then
Determine, seal 0.5 millimeter of specified value of leak < of coal gas tedge waste-heat recovery device 14, detection passes through；If being tieed up in temperature T
Hold it is constant in the case where, in defined time Δ t, pressure is set to P1 changes delta P >=Δ P0.5 from P, if sealing system exist
O.5 the leak of millimeter, the change value of pressure Δ P0.5 in Δ t, then determine, seals coal gas tedge waste-heat recovery device 14
Leak be more than or equal to 0.5 millimeter of specified value, detection failure, external ECU system deposits this fault code of record storage
It is leaking, the rotation of coil 7 can control lift adjustment pipe 9 and realize that vertical lifting is adjusted along guide pipe 8, thus convenient to coal
Gas tedge carries out vertical lifting adjusting, carries out leak detection efficiency to coal gas tedge and greatly improves.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device, including detection water tank（1）, feature exists
In：The detection water tank（1）Top surface be fixedly installed with leak detection disk（2）, the leak detection disk（2）One end set
It is equipped with air pump（3）, and air pump（3）Outlet air end pass through solenoid valve（4）With leak detection disk（2）It is fixedly connected, and leaks
Detection plate（2）Inside middle section be equipped with air bag（15）, the air pump（3）With air bag（15）Connection, the detection water tank（1）'s
The symmetrical erecting and welding in top has guide pipe（8）, and guide pipe（8）Internal slide be connected with lift adjustment pipe（9）, described
Lift adjustment pipe（9）Top limit plate is installed（12）, and lift adjustment pipe（9）Bottom end be fixedly installed with kickboard（10）,
The detection water tank（1）One side wall on intake pump is installed（5）, and detect water tank（1）A side bottom water outlet pump is installed
（6）, the air bag（15）On leak detection mechanism is installed（16）, the air bag（15）Internal engagement be connected with coal gas rising
Pipe waste-heat recovery device（14）.
2. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The coal gas tedge waste-heat recovery device（14）Including outer cylinder（141）, inner cylinder（142）, coil pipe（143）And cavity
（144）, the outer cylinder（141）And inner cylinder（142）Between formed tubbiness cavity（144）, and cavity（144）Inside filled with solid
Body powder heat-conducting medium and inert gas, and inert gas is nitrogen, the coil pipe（143）Inside filled with water or thermally conductive
Oil.
3. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The leak detection mechanism（16）Including temperature sensor（161）, pressure sensor（162）And timer（163）,
The temperature sensor（161）And timer（163）It is located at timer（163）The left and right sides.
4. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The guide pipe（8）Top and lift adjustment pipe（9）Outside be socketed with coil（7）.
5. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The detection water tank（1）On liquid level sensor is installed（13）, the liquid level sensor（13）Model PY201.
6. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The air pump（3）Model be ZWY-85/110-G or ZWY-110/160-G, ZWY-130/160-G；Air
Pump motor power is 110-160kw；Maximum sucking rate is 85-130m3/min；The solenoid valve（4）Model 2W-15；Institute
State intake pump（5）Model 400G-8816；The water outlet pump（6）Model 50G/75G8806 or TDC5225.
7. a kind of leakage detection equipment of raw coke over gas riser residual heat recovery device according to claim 1, special
Sign is：The detection water tank（1）Bottom four corners four groups of directional wheels are symmetrically installed（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826509.XA CN108871706B (en) | 2018-07-25 | 2018-07-25 | Leakage detection equipment of waste heat recovery device of crude gas riser of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826509.XA CN108871706B (en) | 2018-07-25 | 2018-07-25 | Leakage detection equipment of waste heat recovery device of crude gas riser of coke oven |
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| Publication Number | Publication Date |
|---|---|
| CN108871706A true CN108871706A (en) | 2018-11-23 |
| CN108871706B CN108871706B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810826509.XA Active CN108871706B (en) | 2018-07-25 | 2018-07-25 | Leakage detection equipment of waste heat recovery device of crude gas riser of coke oven |
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| CN103257019A (en) * | 2013-04-15 | 2013-08-21 | 中信重工机械股份有限公司 | Air tightness detecting method for sinter boiler type cooling waste heat recovery system |
| CN103592088A (en) * | 2013-11-29 | 2014-02-19 | 长城汽车股份有限公司 | Radiator leak detection tool |
| DE202015003086U1 (en) * | 2015-04-29 | 2015-05-12 | Spacious Industrial Co., Ltd. | Device for leak testing of gas pipe |
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2018
- 2018-07-25 CN CN201810826509.XA patent/CN108871706B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201497624U (en) * | 2009-08-12 | 2010-06-02 | 浙江豪情汽车制造有限公司 | Engine exhaust manifold leakage tester |
| CN102445313A (en) * | 2010-10-11 | 2012-05-09 | 五冶集团上海有限公司 | Pressure testing device and method for coke oven heating gas pipeline |
| CN102768103A (en) * | 2012-07-27 | 2012-11-07 | 武汉钢铁(集团)公司 | Leakage detection method for waste heat recovery device of ascension pipe of coke-oven raw gas |
| CN103257019A (en) * | 2013-04-15 | 2013-08-21 | 中信重工机械股份有限公司 | Air tightness detecting method for sinter boiler type cooling waste heat recovery system |
| CN103592088A (en) * | 2013-11-29 | 2014-02-19 | 长城汽车股份有限公司 | Radiator leak detection tool |
| DE202015003086U1 (en) * | 2015-04-29 | 2015-05-12 | Spacious Industrial Co., Ltd. | Device for leak testing of gas pipe |
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| CN108871706B (en) | 2020-12-08 |
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Effective date of registration: 20201028 Address after: 043100 Shanxi city of Yuncheng province Xinjiang Coal Chemical Industrial Park Applicant after: Shanxi CITIC Jinshi Industrial Co., Ltd Address before: 056000 No. 5, Central Road, Dongzhang Ceqian Village, Daizhao Township, Handan City, Hebei Province Applicant before: Wang Zhengfeng |
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Address after: 043100 Coal Chemical Industrial Park, Xinjiang county, Yuncheng City, Shanxi Province Patentee after: Shanxi CITIC Jinshi Industrial Group Co.,Ltd. Address before: 043100 Coal Chemical Industrial Park, Xinjiang county, Yuncheng City, Shanxi Province Patentee before: Shanxi CITIC Jinshi Industrial Co., Ltd |
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