CN108534591A - A kind of the wind disturbance scaler system and descaling method of heat exchanger - Google Patents
A kind of the wind disturbance scaler system and descaling method of heat exchanger Download PDFInfo
- Publication number
- CN108534591A CN108534591A CN201810580961.2A CN201810580961A CN108534591A CN 108534591 A CN108534591 A CN 108534591A CN 201810580961 A CN201810580961 A CN 201810580961A CN 108534591 A CN108534591 A CN 108534591A
- Authority
- CN
- China
- Prior art keywords
- control valve
- tank
- heat exchanger
- wind disturbance
- away
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 claims description 3
- 235000011089 carbon dioxide Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
- F28G1/163—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from internal surfaces of heat exchange conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
Abstract
A kind of wind disturbance scaler system of heat exchanger, the system includes surge tank and washes away tank, surge tank is equipped with air outlet and is circumscribed with the air inlet of blast pipe, blast pipe is equipped with the 5th control valve, the second discharge pipe for being communicated with the first discharge pipe at air outlet and being connected to surge tank, it is equipped with the first control valve on the first discharge pipe, the 4th control valve is equipped on the second discharge pipe；It is described to wash away on tank the charge door for being provided with and being convenient for addition blowing media in tank is washed away, charge door is controlled by the 6th control valve and is opened and closed, the bottom for washing away tank is communicated with discharge nozzle, discharge nozzle is connected to by injection tube with the tube side of heat exchanger or shell side after being connected to the first discharge pipe, it is equipped with third control valve on discharge nozzle, the second control valve is equipped in injection tube.The scaler system is simple in structure, easy to operate, and disturbing cooperation blowing media by wind can effectively the tube side of heat exchanging device or shell side carry out washing away scale removal, ensure the heat transfer effect of heat exchanger.
Description
Technical field
The present invention relates to a kind of apparatus for eliminating sludge of heat exchanger, the wind disturbance scaler system of especially a kind of heat exchanger also relates to
And the descaling method of above-mentioned wind disturbance scaler system.
Background technology
Heat exchanger be it is a kind of between two or more fluid of different temperatures realize material between heat transfer section
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.
But due to there is the flowing of the substances such as fluid, gas in heat exchanger, as the cycle of operation lengthens tube side or shell side certainty
Fouling occurs, heat transfer efficiency is caused to decline, inlet outlet pressure differential increases.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of reasonable design, operation side
Just, it is capable of the wind disturbance scaler system of the heat exchanger of effective heat exchanging device progress scale removal.
There is provided the wind disturbance scaler system of above-mentioned heat exchanger to remove for another technical problem to be solved by this invention
Dirty method.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of heat exchange
The wind disturbance scaler system of device, the system include surge tank and wash away tank, and surge tank is equipped with air outlet and is circumscribed with blast pipe
Air inlet, blast pipe is equipped with the 5th control valve, second for being communicated with the first discharge pipe and being connected to surge tank at air outlet
Discharge pipe is equipped with the first control valve on the first discharge pipe, and the 4th control valve is equipped on the second discharge pipe；It is described to wash away on tank
It is provided with convenient for the charge door for adding blowing media is washed away in tank, charge door is controlled by the 6th control valve and is opened and closed, and tank is washed away
Bottom be communicated with discharge nozzle, discharge nozzle is connected after being connected to the first discharge pipe by the tube side or shell side of injection tube and heat exchanger
It is logical, it is equipped with third control valve on discharge nozzle, the second control valve is equipped in injection tube.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance scaler system of the heat exchanger, the blowing media are dry ice or sulphur ammonium.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance scaler system of the heat exchanger, the first control valve, the second control valve, third control valve, the 4th control valve, the 5th
Control valve and the 6th control valve are motor-operated control valve.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance scaler system of the heat exchanger, is additionally provided with the electronic flowmeter for monitoring blowing media on discharge nozzle.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance scaler system of the heat exchanger, surge tank and washes away and is both provided with pressure gauge and safety valve on tank.
The technical problems to be solved by the invention can also be further realized by technical solution below, a kind of heat exchange
The wind disturbance descaling method of device, this method are removed using the wind disturbance scaler system heat exchanging device of above-described heat exchanger
Dirt, its step are as follows：
（1）The relief valve washed away on tank is opened, pressure is let out to 0.1MPa；
（2）The 6th control valve is opened, a certain amount of blowing media is added to and is washed away in tank, is then shut off the 6th control valve；
（3）The 5th control valve is opened, is divulged information into surge tank, the pressure in surge tank is risen into setting value；
（4）The 4th control valve is opened, is divulged information to washing away in tank, the pressure washed away in tank is risen into setting value；
（5）The second control valve, the first control valve are opened successively, then open third control valve, heat exchanging device again after a certain period of time
Tube side or shell side carry out scale removal blowing；
（6）After a certain period of time, third control valve, the first control valve, the second control valve, the control valve and the 5th control are closed successively
Valve processed terminates scale removal.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance descaling method of the heat exchanger, step（3）In, the pressure set points of surge tank are 0.4-0.8MPa.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance descaling method of the heat exchanger, step（4）In, the pressure set points for washing away tank are 0.4-0.8MPa.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The wind disturbance descaling method of the heat exchanger, step（5）In, it opens after the second control valve and the first control valve 10 seconds, then beat
Open third control valve.
Compared with prior art, the present invention is washed away by the way that blowing media to be quantitatively adding in tank, then utilizes the first control
Valve processed, which coordinates to send to by blowing media using conveying wind with third control valve, to be sent into the tube side or shell side of heat exchanger, blowing media
It is uniformly sprayed to heat exchanger tube pass or shell side under the pressure of conveying wind, passes through the tube side of blowing media heat exchanging device or course
Inner surface is washed away, to reach scale removal effect.The scaler system is simple in structure, easy to operate, and cooperation spray is disturbed by wind
Blowing medium effectively the tube side of heat exchanging device or shell side can carry out washing away scale removal, ensure the heat transfer effect of heat exchanger.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1, the wind disturbance scaler system of a kind of heat exchanger 12, the system include surge tank 1 and wash away tank 2, are buffered
Tank 1 is equipped with air outlet and is circumscribed with the air inlet of blast pipe 3, and blast pipe 3 is equipped with the 5th control valve 4, is connected at air outlet
The second discharge pipe 7 for having the first discharge pipe 5 and being connected to surge tank 1 is equipped with the first control valve 6 on the first discharge pipe 5, the
Two discharge pipes 7 are equipped with the 4th control valve 8；It is described wash away be provided on tank 2 convenient for wash away in tank 2 add blowing media plus
Material mouth, charge door are controlled by the 6th control valve 9 and are opened and closed, and the bottom for washing away tank 2 is communicated with discharge nozzle, discharge nozzle and the first outlet air
Pipe 5 is connected to by injection tube with the tube side of heat exchanger 12 or shell side after being connected to, and third control valve 10 is equipped on discharge nozzle, is being sprayed
Blowpipe is equipped with the second control valve 11.Tank 2 is washed away for containing blowing media；Surge tank 1 is for playing buffering, pressure stabilization function；
First control valve 6, the second control valve 11, third control valve 10, the 4th control valve 8 and the 5th control valve 4 are for the elder generation that cooperates
Ventilation carries out rushing wind pressure to surge tank 1 with tank 2 is washed away；Then first heat exchanging device 12 is blowed, then heat exchanging device 12 carries out
Blowing media is conveyed, the fouling in heat exchanging device 12 is washed away.
The range of pressure fluctuations of the surge tank 1 is 0.1-1MPa.
The range of pressure fluctuations for washing away tank 2 is 0.1-1MPa.
The blowing media is dry ice or sulphur ammonium, carries certain acidity, can be on heat exchanging device 12 under wind effect
Fouling carries out washing away processing, but not heat exchanging device 12 itself generates damage.
First control valve 6, the second control valve 11, third control valve 10, the 4th control valve 8, the control of the 5th control valve 4 and the 6th
Valve processed is motor-operated control valve.
The electronic flowmeter for monitoring blowing media is additionally provided on discharge nozzle.
It surge tank 1 and washes away on tank 2 and is both provided with pressure gauge and safety valve.The setting of pressure gauge buffers convenient for monitoring in real time
Tank 1 and wash away the pressure in tank 2；Safety valve prevents pressure excessive for ensureing safety.
A kind of wind disturbance descaling method of heat exchanger, this method use the wind disturbance scaler system of above-described heat exchanger
Heat exchanging device carries out scale removal, and its step are as follows：
（1）The relief valve washed away on tank is opened, pressure is let out to 0.1MPa；
（2）The 6th control valve is opened, a certain amount of blowing media is added to and is washed away in tank, is then shut off the 6th control valve；
（3）The 5th control valve is opened, is divulged information into surge tank, the pressure in surge tank is risen into setting value；
（4）The 4th control valve is opened, is divulged information to washing away in tank, the pressure washed away in tank is risen into setting value；
（5）The second control valve, the first control valve are opened successively, then open third control valve, heat exchanging device again after a certain period of time
Tube side or shell side carry out scale removal blowing；
（6）After a certain period of time, third control valve, the first control valve, the second control valve, the control valve and the 5th control are closed successively
Valve processed terminates scale removal.
Step（3）In, the pressure set points of surge tank are 0.4-0.8MPa.
Step（4）In, the pressure set points for washing away tank are 0.4-0.8MPa.
Step（5）In, it opens after the second control valve and the first control valve 10 seconds, then open third control valve.
Compared with original technology, the advantages of the application and technique effect:
1, the application can purge heat exchanger online, reach scale removal effect, extend the equipment cycle of operation, save parking maintenance and take
With；
2, purging scale removal effect is ensured by the pressure that fouling of heat exchangers situation adjusts the amount of blowing media in time and conveys wind；
3, DCS sequence control process can be used, control effectively, reduce the personnel to operate to injection process, ensure that production is stablized；
4, equipment design strict implement design of pressure vessels regulation, and safety valve is installed by regulation, the harm for preventing superpressure from causing.
Claims (9)
1. a kind of wind disturbance scaler system of heat exchanger, it is characterised in that：The system includes surge tank and washes away tank, on surge tank
Equipped with air outlet and the air inlet for being circumscribed with blast pipe, blast pipe is equipped with the 5th control valve, and being communicated with first at air outlet goes out
Air hose and the second discharge pipe being connected to surge tank are equipped with the first control valve on the first discharge pipe, are set on the second discharge pipe
There is the 4th control valve；Described wash away on tank is provided with convenient for the charge door for adding blowing media is washed away in tank, charge door passes through
The control opening and closing of 6th control valve, the bottom for washing away tank are communicated with discharge nozzle, and discharge nozzle passes through injection after being connected to the first discharge pipe
Pipe is connected to the tube side of heat exchanger or shell side, and third control valve is equipped on discharge nozzle, and the second control valve is equipped in injection tube.
2. the wind disturbance scaler system of heat exchanger according to claim 1, it is characterised in that：The blowing media is dry ice
Or sulphur ammonium.
3. the wind disturbance scaler system of heat exchanger according to claim 1, it is characterised in that：First control valve, the second control
Valve, third control valve, the 4th control valve, the 5th control valve and the 6th control valve processed are motor-operated control valve.
4. the wind disturbance scaler system of heat exchanger according to claim 1, it is characterised in that：Use is additionally provided on discharge nozzle
In the electronic flowmeter of monitoring blowing media.
5. the wind disturbance scaler system of heat exchanger according to claim 1, it is characterised in that：It surge tank and washes away on tank
It is provided with pressure gauge and safety valve.
6. a kind of wind disturbance descaling method of heat exchanger, it is characterised in that：This method uses described in claim 1-5 any one
Heat exchanger wind disturbance scaler system heat exchanging device carry out scale removal, its step are as follows：
（1）The relief valve washed away on tank is opened, pressure is let out to 0.1MPa；
（2）The 6th control valve is opened, a certain amount of blowing media is added to and is washed away in tank, is then shut off the 6th control valve；
（3）The 5th control valve is opened, is divulged information into surge tank, the pressure in surge tank is risen into setting value；
（4）The 4th control valve is opened, is divulged information to washing away in tank, the pressure washed away in tank is risen into setting value；
（5）The second control valve, the first control valve are opened successively, then open third control valve, heat exchanging device again after a certain period of time
Tube side or shell side carry out scale removal blowing；
（6）After a certain period of time, third control valve, the first control valve, the second control valve, the control valve and the 5th control are closed successively
Valve processed terminates scale removal.
7. the wind disturbance descaling method of heat exchanger according to claim 4, it is characterised in that：Step（3）In, surge tank
Pressure set points are 0.4-0.8MPa.
8. the wind disturbance descaling method of heat exchanger according to claim 4, it is characterised in that：Step（4）In, wash away tank
Pressure set points are 0.4-0.8MPa.
9. the wind disturbance descaling method of heat exchanger according to claim 4, it is characterised in that：Step（5）In, open second
10 seconds after control valve and the first control valve, then open third control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580961.2A CN108534591B (en) | 2018-06-07 | 2018-06-07 | Wind disturbance descaling system and method for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580961.2A CN108534591B (en) | 2018-06-07 | 2018-06-07 | Wind disturbance descaling system and method for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108534591A true CN108534591A (en) | 2018-09-14 |
| CN108534591B CN108534591B (en) | 2023-11-03 |
Family
ID=63470288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810580961.2A Active CN108534591B (en) | 2018-06-07 | 2018-06-07 | Wind disturbance descaling system and method for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108534591B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432545A (en) * | 2020-07-24 | 2021-03-02 | 北方华锦化学工业股份有限公司 | Method for increasing nitrogen gas introduced to recover heat exchange capacity of crude tower condenser |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4302109A1 (en) * | 1993-01-27 | 1994-07-28 | Gutehoffnungshuette Man | Heat exchanger tube wall cleaning equipment |
| CN102374822A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Online decoking method of cooler in ammonia oxidation reaction system |
| CN204421736U (en) * | 2014-12-30 | 2015-06-24 | 惠生（南京）清洁能源股份有限公司 | A kind of heat exchanger blowing grey scale removal structure with boiler tube |
| CN205279852U (en) * | 2016-01-06 | 2016-06-01 | 宣城市楷昂化工有限公司 | Clear stifled device of sodium metabisulfite production automation |
| CN106288934A (en) * | 2015-06-01 | 2017-01-04 | 中国石油天然气集团公司 | Heat exchanger On Line Foul Removing Technology method and device |
| CN208704528U (en) * | 2018-06-07 | 2019-04-05 | 江苏斯尔邦石化有限公司 | A kind of wind disturbance scaler system of heat exchanger |
-
2018
- 2018-06-07 CN CN201810580961.2A patent/CN108534591B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4302109A1 (en) * | 1993-01-27 | 1994-07-28 | Gutehoffnungshuette Man | Heat exchanger tube wall cleaning equipment |
| CN102374822A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Online decoking method of cooler in ammonia oxidation reaction system |
| CN204421736U (en) * | 2014-12-30 | 2015-06-24 | 惠生（南京）清洁能源股份有限公司 | A kind of heat exchanger blowing grey scale removal structure with boiler tube |
| CN106288934A (en) * | 2015-06-01 | 2017-01-04 | 中国石油天然气集团公司 | Heat exchanger On Line Foul Removing Technology method and device |
| CN205279852U (en) * | 2016-01-06 | 2016-06-01 | 宣城市楷昂化工有限公司 | Clear stifled device of sodium metabisulfite production automation |
| CN208704528U (en) * | 2018-06-07 | 2019-04-05 | 江苏斯尔邦石化有限公司 | A kind of wind disturbance scaler system of heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432545A (en) * | 2020-07-24 | 2021-03-02 | 北方华锦化学工业股份有限公司 | Method for increasing nitrogen gas introduced to recover heat exchange capacity of crude tower condenser |
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| Publication number | Publication date |
|---|---|
| CN108534591B (en) | 2023-11-03 |
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Address after: 222000 Jiangsu, Lianyungang City, Xuwei District, Lianyungang District, two Road North Applicant after: JIANGSU SAILBOAT PETROCHEMICAL Co.,Ltd. Address before: 222000 room 205, building 7, Hong Kong Petrochemical, Hong Kong Road, Xuwei New District, Lianyungang, Jiangsu Applicant before: JIANGSU SAILBOAT PETROCHEMICAL Co.,Ltd. |
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