CN108317891A - A kind of heat exchanger descaling rinsing system and its descaling rinsing method - Google Patents
A kind of heat exchanger descaling rinsing system and its descaling rinsing method Download PDFInfo
- Publication number
- CN108317891A CN108317891A CN201810086776.8A CN201810086776A CN108317891A CN 108317891 A CN108317891 A CN 108317891A CN 201810086776 A CN201810086776 A CN 201810086776A CN 108317891 A CN108317891 A CN 108317891A
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- Prior art keywords
- heat exchanger
- valve
- pipelines
- sand
- separator
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 125
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000000463 material Substances 0.000 claims abstract description 61
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 131
- 239000007787 solid Substances 0.000 claims description 27
- 238000005406 washing Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 14
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000005554 pickling Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000126 substance Substances 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
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- 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
-
- 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
- F28G2015/006—Arrangements for processing a cleaning fluid after use, e.g. filtering and recycling
Abstract
The present invention relates to a kind of heat exchanger descaling rinsing system and its descaling rinsing methods, heat exchanger descaling rinsing system includes system ontology, system ontology includes heat exchanger, the flow divider being connect with heat exchanger one end, the separator being connect with the heat exchanger other end, resistance sand valve, feeder, kinetic pump, the water tank being connect with kinetic pump and the C pipelines being arranged between water tank and separator, separator includes a charge door for sand material is added, water in water tank enters heat exchanger by power, and flow enters water tank by C pipelines again after separator；Sand material is entered by the charge door of separator, feeder is entered after separator centrifuges, sand material, fouling and water enter separator from heat exchanger again, so cycle, until completing the cleaning of heat exchanging device, which avoids without decomposing heat exchanger and causes to damage to kinetic pump, the cleaning of heat exchanging device is completed by cyclic process, cleaning efficiency is improved.
Description
Technical field
The present invention relates to chemical equipment technical fields, clear more particularly, to a kind of heat exchanger descaling rinsing system and its scale removal
Washing method.
Background technology
Heat exchanger in the prior art either tubular type or board-like, can all have fouling, if not after a period of use
Cleaning in time, can not only make the thermal resistance increase consumption energy of heat exchanger, but also blocking, corrosion can be led to problems such as to occur, and cause
Safety accident.In existing industrial production, needs to decompose on heat exchanger when cleaning heat exchanger, then be removed using physics mode
Fouling, so not only tedious process, and it is less efficient.
Invention content
Technical problem to be solved by the invention is to provide one kind to avoid decomposing heat exchanger, cleaning process simplicity, and clear
Wash efficient heat exchanger descaling rinsing system and its descaling rinsing method.
The technical solution adopted in the present invention is a kind of heat exchanger descaling rinsing system, including system ontology, system ontology
The flow divider that is connect including heat exchanger, with heat exchanger one end, is connect the separator that is connect with the heat exchanger other end with separator
Resistance sand valve, the feeder for being arranged between flow divider and heat exchanger and connect with resistance sand valve, the kinetic pump being connect with flow divider and
The water tank of kinetic pump connection and the C pipelines being arranged between water tank and separator, separator include one for sand is added
The charge door of material.
The beneficial effects of the invention are as follows：In heat exchanging device carries out cleaning process, the water in water tank is entered by power
To heat exchanger, flow enters water tank by C pipelines again after separator, so recycles；The charging that sand material passes through separator
Mouth enters, and feeder is entered after separator centrifuges, the sand material in feeder enters feeder along with from flow divider
Interior hydraulic pressure enters in heat exchanger together, and sand material, fouling and water enter separator from heat exchanger again, so recycles, until
The cleaning of heat exchanging device is completed, which avoids the step of original technology needs to decompose heat exchanger, and
And avoid sand material and dirt causes to damage to kinetic pump, the cleaning of heat exchanging device is completed by cyclic process, this process
Sand material and water can also be saved, cleaning efficiency is also improved.
As priority, system ontology further include for connect the A pipelines of flow divider and feeder, setting flow divider with change
B pipelines between hot device, the D pipelines being arranged between feeder and heat exchanger, the E pipelines being connect with B pipelines and D pipelines and
F pipelines for connecting heat exchanger and separator are provided with water outlet mouthpiece on E pipelines, return water interface are provided on F pipelines, is adopted
With the structure, the flow part pressurizeed by kinetic pump enters feeder, another part water after flow divider by A pipelines
Stream opens water outlet mouthpiece by B pipelines, and the water and sand material in feeder enter heat exchanger, B pipelines by D pipelines and E pipelines
In water heat exchanger is entered by E pipelines, open return water interface, water, fouling and sand material can enter separator by F pipelines,
The structure ensure that water and sand material possess respective circulation path, and the descaling rinsing of heat exchanging device is completed by cycle.
As priority, separator include the first water inlet being connected to F pipelines, the first water outlet being connected to C pipelines with
And the sand removing hole being connected to resistance sand valve, using the structure, separator detaches the solid in water using centrifugal principle, from
The flow containing sand material and fouling that first water inlet enters is after separator, and due to centrifugal action, sand material and fouling are from row
Sand mouth is discharged, and water is discharged from the first water outlet, and centrifuge can detach solid-liquid.Under normal conditions, charge door is usually
It closes, can open sand material is added when needed.
As priority, resistance sand valve include the valve inlet being connected to sand removing hole, the valve export being connected to feeder and
The valve body being arranged between valve inlet and valve export, resistance sand valve further include the main valve plug being arranged in valve body, about resistance sand
The symmetrical filter plate of central axis of valve, the gap being arranged between filter plate and across gap and by elastic component and main valve
The auxiliary valve core of core connection, auxiliary valve core include the body of rod connecting across gap and with elastic component and are connect with the body of rod and be located at filtering
Valve head above plate, valve head include for the tactile tip of valve head and filter plate patch, and tip and filter plate form line patch and touch structure, use
The main valve plug of the structure, resistance sand valve is driven by electromagnetism, and auxiliary valve core is connected by spring with main valve plug, when closing main valve plug
When, main valve plug moves down, and the valve head of auxiliary valve core can be contacted with filter plate at this time, since what is contacted with filter plate on valve head is point
Head can prevent sand material and fouling from flowing to below filter plate in this way, and tip forms line patch with filter plate and touches structure, it is ensured that secondary
Spool is closed together without catching phenomenon occurs with filter plate, only has water that can pass through after auxiliary valve core and filter plate contact
Filter plate, and the sand material and fouling that enter from valve inlet can be intercepted on filter plate and auxiliary valve core, it is stagnant in last time cycle
It stays in sand material under filter plate and auxiliary valve core and fouling can be washed away, main valve plug continues to move down to close until by valve export
It closing, clamping stagnation will not occur for spool in closing process, and when opening when main valve plug, main valve plug first moves up, and exit passageway is opened, main
Spool, which continues to move up, pushes auxiliary valve core and filter plate separation, valve to open completely.
As priority, feeder include the feed inlet being connected to valve export, the second water inlet being connected to A pipelines, with
The nozzle of second water inlet connection and the second outlet being connected to D pipelines sweep away consolidate using the structure out of resistance sand valve
Body is entered by feed inlet in feeder, and the water in water tank enters from the second water inlet, solid after nozzle pressurizes
It is sprayed from second outlet, upstream line can be entered by the second water inlet to avoid sand material, and solid can also be punched into
In heat exchanger.
As priority, sand material is silica material, uses the sand material of silica material that can be carried out with heat exchanging device clear
It washes, and can recycle.
A kind of descaling rinsing method of heat exchanger descaling rinsing system, includes the following steps：
(1), by the water outlet mouthpiece and heat exchanger on E pipelines import connect, by F pipelines return water interface with heat exchange
Outlet connection on device；
(2), resistance sand valve is closed, kinetic pump is opened, the water in water tank is made to reach flow divider by kinetic pump；
(3), adjust flow divider, make the water part of arrival flow divider by A pipelines reach successively feeder, D pipelines with
And E pipelines, another part reach E pipelines by B pipelines, heat exchange are entered by water outlet mouthpiece in the high pressure water that E pipelines converge
In device；
(4), sand material is added toward the charge door of separator；
(5), the water being discharged from heat exchanger is entered by return water interface in separator, by separator by solid and liquid
Detached, the liquid separated returns to water tank by the first water outlet along C pipelines, the solid separated along point
Sand removing hole discharge from device；
(6), resistance sand valve is opened, the solid being discharged from separator can enter resistance sand valve by hindering the valve inlet of sand valve,
Then it is discharged from valve export；
(7), the solid being discharged from valve export enters feeder by the feed inlet of feeder, into the solid of feeder
Poured in heat exchanger by high pressure water, heat exchanging device carry out sand washing, then carry solid matter flow along return water interface again into
Enter separator to be detached, return to step (5) continues, until completing sand washing work；
(8), after the completion of sand washing, resistance sand valve is closed, continues to rinse a period of time, sand material and fouling at this time are divided by separator
It is trapped in from after in the cavity between the bottom of separator and resistance sand valve；
(9), after the completion of rinsing, kinetic pump is closed, disconnects water outlet mouthpiece and return water interface, the water of heat exchanger is emptied.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of heat exchanger descaling rinsing system of the present invention；
Fig. 2 is a kind of structural schematic diagram of the separator of heat exchanger descaling rinsing system of the present invention；
Fig. 3 is a kind of structural schematic diagram of the resistance sand valve of heat exchanger descaling rinsing system of the present invention；
Fig. 4 is a kind of structural schematic diagram of the feeder of heat exchanger descaling rinsing system of the present invention；
As shown in the figure：1, water tank；2, transfer tube；3, flow divider；4, separator；5, sand valve is hindered；6, feeder；7, it is discharged
Interface；8, return water interface；9, heat exchanger；10, A pipelines；11, B pipelines；12, the first water inlet；13, the first water outlet；14, add
Material mouth；15, sand removing hole；16, valve inlet；17, auxiliary valve core；18, filter plate；19, elastic component；20, main valve plug；21, valve goes out
Mouthful；22, the second import；23, charge door；24, nozzle；25, second outlet；26, C pipelines；27, D pipelines；28, E pipelines；29、F
Pipeline；30, valve body；31, gap；32, the body of rod；33, valve head；34, tip.
Specific implementation mode
It invents referring to the drawings and in conjunction with specific implementation mode to further describe, to enable those skilled in the art's reference
Specification word can be implemented according to this, and the scope of the present invention is not limited to the specific implementation mode.
The present invention relates to a kind of heat exchanger descaling rinsing system, including system ontology, system ontology include heat exchanger 9, with
9 one end of heat exchanger connection flow divider 3, connect with 9 other end of heat exchanger separator 4, connect with separator 4 resistance sand valve 5,
Be arranged between flow divider 3 and heat exchanger 9 and with resistance sand valve 5 connect feeder 6, connect with flow divider 3 kinetic pump 2, and
The water tank 1 that kinetic pump 2 connects and the C pipelines 26 being arranged between water tank 1 and separator 4, separator 4 include a confession
The charge door 14 of sand material is added.In heat exchanging device carries out cleaning process, the water in water tank 1 is entered by kinetic pump 2 to be changed
Hot device 9, flow enter water tank 1 by C pipelines 26 again after separator 4, this is the circulation route of water；Sand material passes through separation
The charge door 14 of device 4 enters, and resistance sand valve 5 is entered after the centrifugation of separator 4, then enters back into feeder 6, in feeder 6
Sand material can be poured from the hydraulic pressure that flow divider 3 enters in feeder 6 in heat exchanger 9, and heat exchanging device 9 carries out sand washing, by sand
After washing, sand material, fouling and water enter separator 4 from heat exchanger 9 again, so recycle, until the sand washing of heat exchanging device 9 is completed,
This is the circulation route of sand material, completes the cleaning of heat exchanging device 9 by devising two lines, avoids original technology
The step of needing to decompose heat exchanger 9, while sand material and dirt will not enter in kinetic pump 2 and cause to damage to kinetic pump 2, this
In the process, sand material and water are all recycled, and can save water and sand material, and cleaning efficiency is also very high.
System ontology further includes for connecting the A pipelines 10 of flow divider 3 and feeder 6, being arranged in flow divider 3 and heat exchanger
B pipelines 11 between 9, the D pipelines 27 being arranged between feeder 6 and heat exchanger 9, the E being connect with B pipelines 11 and D pipelines 27
Pipeline 28 and F pipelines 29 for connecting heat exchanger 9 and separator 4 are provided with water outlet mouthpiece 7, F pipelines 29 on E pipelines 28
On be provided with return water interface 8, the flow part pressurizeed by kinetic pump 2 after flow divider 3 pass through A pipelines 10 enter charging
Device 6, another part flow open water outlet mouthpiece 7 by B pipelines 11, the solid and liquid in feeder 6 by D pipelines 27 with
And E pipelines 28 enter heat exchanger 9, the water in B pipelines 11 enters heat exchanger 9 by E pipelines 28, opens return water interface 8, water, knot
Dirt and sand material can enter separator 4 by F pipelines 29.
Separator 4 include the first water inlet 13 being connected to F pipelines 29, the first water outlet 13 being connected to C pipelines 26 with
And with the sand removing hole 15 that is connected to of resistance sand valve 5, separator 4 detaches the solid in water using centrifugal principle, from first into
The flow containing sand material and fouling that the mouth of a river 13 enters is after separator 4, and due to centrifugal action, sand material and fouling are from sand removing hole
15 discharges, water are discharged from the first water outlet 13, and separator 4 can detach solid-liquid.Under normal conditions, charge door 14 is general
It is to close, can opens sand material is added when needed.
Resistance sand valve 5 includes the valve inlet 16 being connected to sand removing hole 15, the valve export 21 being connected to feeder 6 and sets
Set the valve body 30 between valve inlet 16 and valve export 21, resistance sand valve 5 further include the main valve plug 20 being arranged in valve body 30,
About the symmetrical filter plate 18 of central axis for hindering sand valve 5, the gap 31 being arranged between filter plate 18 and pass through gap 31
And the auxiliary valve core 17 being connect with main valve plug 20 by elastic component 19, auxiliary valve core 17 include being connect across gap 31 and with elastic component 19
The body of rod 32 and connect with the body of rod 32 and positioned at the valve head 33 of the top of filter plate 18, valve head 33 includes for valve head 33 and filter plate
18 patches tactile tip 34 forms line patch and touches structure between tip 34 and filter plate 18, the main valve plug 20 of resistance sand valve 5 is driven by electromagnetism
Dynamic, auxiliary valve core 17 is connected by elastic component 19 with main valve plug 20, when opening resistance sand valve 5, opens main valve plug 20, main valve plug 20
It first moves up, the access of valve export 21 is opened, and main valve plug 20, which continues to move up, pushes auxiliary valve core 17 and filter plate 18 to detach, valve
It opens completely, solid and liquid can be flowed at gap 31 below filter plate；When closing resistance sand valve 5, main valve plug 20 is closed,
Main valve plug 20 moves down, and main valve plug 20 drives auxiliary valve core 17 to move downward at this time, 33 meeting of valve head of auxiliary valve core 17 and filter plate
18 contacts, since what is contacted with filter plate 18 on valve head 33 is tip 34, can prevent solid matter from flowing to filter plate 18 in this way
Lower section, tip 34 form line patch with filter plate 18 and touch structure, it is ensured that when auxiliary valve core 17 is closed together with filter plate 18 not
Catching phenomenon can occur, i.e., solid matter will not be made to be trapped in the tactile place of patch, auxiliary valve core 17 and filter plate 18 only have after contacting
Water can be by filter plate 18, and the sand material and fouling that enter from valve inlet 16 can be intercepted at filter plate 18 and auxiliary valve core 17
On, the sand material and fouling that are trapped under filter plate 18 and auxiliary valve core 17 can be washed away, main valve plug 20 continue to move down until
Valve export 21 is closed, clamping stagnation will not occur for spool in closing process.
Feeder 6 include the feed inlet 23 being connected to valve export 21, the second water inlet 22 being connected to A pipelines 10, with
The nozzle 24 of second water inlet 22 connection and the second outlet 25 being connected to D pipelines 27, the solid come is swept away out of resistance sand valve 5
It is entered in feeder 6 by feed inlet 23, the water in water tank 1 enters from the second water inlet 22, after the pressurization of nozzle 24
Solid is sprayed from second outlet 25, upstream line can be entered by the second water inlet 22 to avoid solid, and can also incite somebody to action
Solid is punched into heat exchanger 9.
Sand material is silica material, uses the sand material of silica material that can be cleaned with heat exchanging device 9, equivalent
Diameter is less than the 1/50 of heat exchanger minimum dimension diameter, does not influence to clean mixed with fouling in sand material, after a period of use can be with
Pickling and filtering will be carried out mixed with the sand material of a large amount of foulings, treated, and sand material can recycle.
A kind of descaling rinsing method of heat exchanger descaling rinsing system, includes the following steps：
(1), the water outlet mouthpiece 7 on E pipelines 28 is connect with the import on heat exchanger 9, by the return water interface on F pipelines 29
8 connect with the outlet on heat exchanger 9；
(2), resistance sand valve 5 is closed, kinetic pump 2 is opened, the water in water tank 1 is made to reach flow divider 3 by kinetic pump 2；
(3), flow divider 3 is adjusted, a water part for arrival flow divider 3 is made to reach feeder 6, D pipes successively by A pipelines 10
Road 27 and E pipelines 28, another part reach E pipelines 28 by B pipelines 11, in the high pressure water that E pipelines 28 converge by water outlet
Interface 7 enters in heat exchanger 9；
(4), sand material is added toward the charge door 14 of separator 4；
(5), from heat exchanger 9 be discharged water entered in separator 4 by return water interface 8, by separator 4 by solid with
Liquid is detached, and the liquid separated returns to water tank 1 by the first water outlet 13 along C pipelines 26, separates
Solid is discharged along the sand removing hole 15 of separator 4；
(6), resistance sand valve 5 is opened, the solid being discharged from separator 4 can enter resistance by hindering the valve inlet 16 of sand valve 5
Then sand valve 5 is discharged from valve export 21；
(7), the solid being discharged from valve export 21 enters feeder 6 by the feed inlet 23 of feeder 6, into feeder
6 solid is poured by high pressure water in heat exchanger 9, and heat exchanging device 9 carries out sand washing, then carries the flow of sand material and fouling along returning
Water interface 8 enters back into separator 4 and is detached, and return to step (5) continues, until completing sand washing work；
(8), after the completion of sand washing, resistance sand valve 5 is closed, continues to rinse a period of time, sand material at this time and fouling are by separator 4
It is trapped in after separation in the cavity between the bottom of separator 4 and resistance sand valve；
(9), after the completion of rinsing, kinetic pump 2 is closed, disconnects water outlet mouthpiece 7 and return water interface 8, the water of heat exchanger 9 is arranged
It is empty.
It is detained sand material in systems without discharge or processing, can be directly employed without and add when cleaning next time
Sand material does not influence to clean in sand material mixed with fouling, can will carry out pickling mixed with the sand material of a large amount of foulings after a period of use
And filtering, treated, and sand material can recycle.
Claims (9)
1. a kind of heat exchanger descaling rinsing system, including system ontology, it is characterised in that：System ontology include heat exchanger (9), with
The flow divider (3) of heat exchanger (9) one end connection, the separator (4) being connect with heat exchanger (9) other end are connect with separator (4)
Resistance sand valve (5), be arranged between flow divider (3) and heat exchanger (9) and with resistance sand valve (5) connect feeder (6), and shunt
The kinetic pump (2) of valve (3) connection, the water tank (1) being connect with kinetic pump (2) and setting are in water tank (1) and separator (4)
Between C pipelines (26), separator (4) include one for be added sand material charge door (14).
2. a kind of heat exchanger descaling rinsing system according to claim 1, it is characterised in that：System ontology further includes being used for
The A pipelines (10) for connecting flow divider (3) and feeder (6), the B pipelines being arranged between flow divider (3) and heat exchanger (9)
(11), the D pipelines (27) being arranged between feeder (6) and heat exchanger (9), the E being connect with B pipelines (11) and D pipelines (27)
Pipeline (28) and F pipelines (29) for connecting heat exchanger (9) and separator (4), E pipelines are provided with water outlet mouthpiece on (28)
(7), it is provided with return water interface (8) on F pipelines (29).
3. a kind of heat exchanger descaling rinsing system according to claim 1, it is characterised in that：Separator (4) includes being managed with F
It the first water inlet (12) of road (29) connection, the first water outlet (13) for being connected to C pipelines (26) and is connected to sand valve (5) is hindered
Sand removing hole (15).
4. a kind of heat exchanger descaling rinsing system according to claim 1, it is characterised in that：Hindering sand valve (5) includes and row
The valve inlet (16) of sand mouth (15) connection, the valve export (21) being connected to feeder (6) and setting are in valve inlet
(16) valve body (30) between valve export (21), resistance sand valve (5) further include be arranged main valve plug (20) in valve body (30),
About the symmetrical filter plate of central axis (18) for hindering sand valve (5), the gap (31) being arranged between filter plate (18) and wear
The auxiliary valve core (17) crossed gap (31) and connect with main valve plug (20) by elastic component (19).
5. a kind of heat exchanger descaling rinsing system according to claim 4, it is characterised in that：Auxiliary valve core (17) include across
It gap (31) and the body of rod (32) that is connect with elastic component (19) and is connect with the body of rod (32) and above filter plate (18)
Valve head (33).
6. a kind of heat exchanger descaling rinsing system according to claim 5, it is characterised in that：Valve head (33) includes for valve head
(33) tip (34) tactile with filter plate (18) patch forms line patch and touches structure between tip (34) and filter plate (18).
7. a kind of heat exchanger descaling rinsing system according to claim 1, it is characterised in that：Feeder (6) includes and valve
The feed inlet (23) of door outlet (21) connection, the second water inlet (22) being connected to A pipelines (10) connect with the second water inlet (22)
Logical nozzle (24) and the second outlet (25) being connected to D pipelines (27).
8. a kind of heat exchanger descaling rinsing system according to claim 1, it is characterised in that：Sand material is silica material
Matter.
9. a kind of descaling rinsing method of heat exchanger descaling rinsing system, includes the following steps：
(1), the water outlet mouthpiece (7) on E pipelines (28) is connect with the import on heat exchanger (9), by the return water on F pipelines (29)
Interface (8) is connect with the outlet on heat exchanger (9)；
(2), resistance sand valve (5) is closed, kinetic pump (2) is opened, the water in water tank (1) is made to reach flow divider by kinetic pump (2)
(3)；
(3), adjustment flow divider (3), makes a water part for arrival flow divider (3) reach feeder successively by A pipelines (10)
(6), D pipelines (27) and E pipelines (28), another part reach E pipelines (28) by B pipelines (11), converge in E pipelines (28)
High pressure water entered in heat exchanger (9) by water outlet mouthpiece (7)；
(4), sand material is added toward the charge door (14) of separator (4)；
(5), the water being discharged from heat exchanger (9) is entered by return water interface (8) in separator (4), will be consolidated by separator (4)
Body and liquid are detached, and the liquid separated returns to water tank (1) by the first water outlet (13) along C pipelines (26),
Sand removing hole (15) of the solid separated along separator (4) is discharged；
(6), resistance sand valve (5) is opened, the solid being discharged from separator 4 can enter by hindering the valve inlet (16) of sand valve (5)
Sand valve (5) is hindered, is then discharged from valve export (21)；
(7), the solid being discharged from valve export (21) enters feeder (6) by the feed inlets (23) of feeder (6), into adding
The solid of glassware (6) is poured by high pressure water in heat exchanger (9), and heat exchanging device (9) carries out sand washing, then carries sand material and fouling
Flow enters back into separator (4) along return water interface (8) and is detached, and return to step (5) continues, until completing sand washing work
Make；
(8), after the completion of sand washing, resistance sand valve (5) is closed, continues to rinse a period of time, sand material at this time and fouling are by separator (4)
It is trapped in after separation in the cavity between the bottom of separator (4) and resistance sand valve；
(9), after the completion of rinsing, kinetic pump (2) is closed, water outlet mouthpiece (7) and return water interface (8) are disconnected, by the water of heat exchanger (9)
Emptying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086776.8A CN108317891B (en) | 2018-01-30 | 2018-01-30 | Descaling and cleaning system and method for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086776.8A CN108317891B (en) | 2018-01-30 | 2018-01-30 | Descaling and cleaning system and method for heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN108317891A true CN108317891A (en) | 2018-07-24 |
| CN108317891B CN108317891B (en) | 2023-11-10 |
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| CN201810086776.8A Active CN108317891B (en) | 2018-01-30 | 2018-01-30 | Descaling and cleaning system and method for heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862223A (en) * | 2018-09-07 | 2018-11-23 | 云南云天化股份有限公司 | A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency |
| CN110643764A (en) * | 2019-03-15 | 2020-01-03 | 广东韶钢松山股份有限公司 | Sand washing descaling method for blast furnace cooling wall pipeline |
| CN115106850A (en) * | 2022-08-24 | 2022-09-27 | 湖南工匠实创智能机器有限责任公司 | Magnetic liquid polishing device and cleaning method of revolution module thereof |
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| CN115106850A (en) * | 2022-08-24 | 2022-09-27 | 湖南工匠实创智能机器有限责任公司 | Magnetic liquid polishing device and cleaning method of revolution module thereof |
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