CN207214898U - A kind of high-pressure heater electromagnetic pulse chemical cleaning system - Google Patents
A kind of high-pressure heater electromagnetic pulse chemical cleaning system Download PDFInfo
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- CN207214898U CN207214898U CN201720460549.8U CN201720460549U CN207214898U CN 207214898 U CN207214898 U CN 207214898U CN 201720460549 U CN201720460549 U CN 201720460549U CN 207214898 U CN207214898 U CN 207214898U
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Abstract
The utility model provides a kind of high-pressure heater electromagnetic pulse chemical cleaning system, including grug feeding jar, pulse cycle cleaning device tank connected with the dosing and the high-pressure heater being connected with the pulse cycle cleaning device, sealed set has pipeline plug respectively for the feed-water inlet and feedwater outlet of the high-pressure heater；Sealed set has manhole plugging device at the manhole of the high-pressure heater, the manhole plugging device includes flexible pipe, division board and the water inlet interface being arranged on the division board and water outlet mouthpiece, the water inlet interface of the manhole plugging device connects the gas liquid outlet of the pulse cycle cleaning device, the inner side of the water outlet mouthpiece connects the hydroecium dividing plate of the high-pressure heater by the flexible pipe, and the outside of the water outlet mouthpiece connects the cleaning water inlet of the high-pressure heater shell-side；The cleaning delivery port of the high-pressure heater shell-side bottom connects the water return outlet of the pulse cycle cleaning device.
Description
Technical field
A kind of high-pressure heater purging system is the utility model is related to, specifically, relate to a kind of high-pressure heater electricity
Magnetic field impulse chemical cleaning system.
Background technology
As shown in figure 1, high-pressure heater, is the device heated using the part pumping of steam turbine to feedwater.The dress
To put and be made up of shell-side and pipe side two large divisions, steam condensation section is set on shell-side inner chamber top, bottom sets hydrophobic cooling section,
Inlet tube and outlet tube top sets feed-water inlet and feedwater outlet.By top master after superheated steam enters shell-side by shell-side air intake
Feedwater heating in screwed pipe, steam condensation heat for the part feedwater that after water, the hot water of condensation can dredge bottom in cold screwed pipe again,
Condensate after being utilized flows out shell-side through hydrophobic outlet.The present apparatus has that energy consumption is low, and compact-sized, area occupied is few, consumes
The remarkable advantages such as material province, and hydrophobic water level can be more strictly controlled, hydrophobic flow velocity and diminution drain approach.
But influenceed by the high operational factor in modern power station, boiler content is also easy to produce oxide skin particle, causes steam
Be mingled with oxidation particle in feedwater, the iron hydroxide brought into from boiler circuit produces decomposition, forms the magnetic iron oxide of attachment, pole
Easily shell-side and pipe side of the absorption in high-pressure heater, feed temperature is higher, and dirt adhesion amount is bigger, is particularly at feedwater outlet
Side and the heating tube of superheated steam cooling section, the adhesion amount of dirt is more, and this may result in feedwater pressure drop increase, boiler feed pump
Load increase, hydroecium dividing plate damage possibility increase therewith.In addition, a large amount of incrustation of the inside and outside wall of pipe side, will add high pressure
The runnability of hot device declines, and feedwater overall temperature rise reduces；If incrustation comes off in local location, the drain valve of high-pressure heater will be made
Door blocks, and forces high-pressure heater out of service.
For a long time, power station does not have good method to solve complicated inside high-pressure heater scale problems, especially shell-side,
Internal incrustation situation can not be observed, even if some power stations carry out high-pressure heater Chemical cleaning, also main wash pipe side.And shell-side
Limited by technical conditions, seldom carry out Chemical cleaning.Conventional Chemical cleaning is by cleaning pump one-way circulation, and some is guarantor
Larger circular flow is held, main feed line is cut, welds interim Cleaning pipes, cleaning terminates to recover again.This method is not only
It is great in constructing amount, and easily cause to damage to main line, bring potential safety hazard to power station.In addition, conventional chemical cleaning method
Flow velocity is slow, and relative is steady flow, is unfavorable for the stripping of reactant, it is also possible to be deposited on shell-side dead angle, influence machine for a long time
The Steam-water Quality of group.
In order to solve the problem present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, so as to provide a kind of design science, practical, clear
Wash the high-pressure heater electromagnetic pulse chemical cleaning system of efficiency high.
To achieve these goals, technical scheme is used by the utility model：A kind of high-pressure heater electromagnetic pulse
Chemical cleaning system, including grug feeding jar, with the tank connected pulse cycle cleaning device of the dosing and with the pulse cycle
The high-pressure heater of cleaning device connection,
Sealed set has pipeline plug to the feed-water inlet and feedwater outlet of the high-pressure heater respectively；
Sealed set has a manhole plugging device at the manhole of the high-pressure heater, the manhole plugging device include flexible pipe, every
From plate and the water inlet interface being arranged on the division board and water outlet mouthpiece, the water inlet interface connection institute of the manhole plugging device
The gas liquid outlet of pulse cycle cleaning device is stated, the water outlet mouthpiece inner side of the manhole plugging device passes through described in flexible pipe connection
The hydroecium dividing plate of high-pressure heater, the water outlet mouthpiece outside of the manhole plugging device connect the cleaning of the high-pressure heater shell-side
Water inlet；
The cleaning delivery port of the high-pressure heater shell-side bottom connects the water return outlet of the pulse cycle cleaning device.
Based on above-mentioned, the pipeline plug includes main feed water pipe road and is installed in determining for main feed water pipe road one end
Position supporting plate, division board and lower division board, the upper division board and the lower division board are provided with the main feed water pipe road
Between sealed set have intermediate isolating plate, the upper division board, the intermediate isolating plate and the lower division board are by tensing spiral shell
Bolt is fixed in the positioning supporting plate, and retainer is additionally provided between the upper division board and the positioning supporting plate.
Based on above-mentioned, the manhole plugging device also includes the location-plate being arranged in the hydroecium of the high-pressure heater, institute
Location-plate is stated to be fixedly connected with the division board by turnbuckle.
Based on above-mentioned, the manhole plugging device also includes adpting flange in water outlet, the outer adpting flange of water outlet, water inlet connection method
Orchid, adpting flange is arranged on the inner side of the water outlet mouthpiece in the water outlet, the outer adpting flange of the water outlet be arranged on it is described go out
The outside of water interface, the water inlet adpting flange are arranged at the water inlet interface.
The utility model has substantive distinguishing features and progress compared with the prior art, and specifically, the utility model is by adding
Medicinal cupping and pulse cycle cleaning device and high-pressure heater composition high-pressure heater electromagnetic pulse chemical cleaning system, its mesohigh
The feed-water inlet and feedwater outlet of heater are respectively arranged with pipeline plug, and manhole envelope is provided with the manhole of high-pressure heater
Stifled device, the water inlet interface of the gas liquid outlet connection manhole plugging device of pulse cycle cleaning device, the cleaning of high-pressure heater shell-side
Water inlet connects the water outlet mouthpiece of manhole plugging device, so as to which the pipe side of high-pressure heater and shell-side are linked to be into a circulatory system,
It is easy to Rapid Circulation to clean, reduces and arranged outside waste water, while can thoroughly remove dirt and debris, prevents cleaning dead angle, tool
There is the advantages of cleaning efficiency is high, elapsed time is short, cleaning chemical consumption is few.
Brief description of the drawings
Fig. 1 is the structural representation of high-pressure heater.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the enlarged diagram of tube side part of the present utility model point.
Fig. 4 is the structural representation of pipeline plug described in the utility model.
Fig. 5 is the structure right view of manhole plugging device described in the utility model.
In figure：1. high-pressure heater；2. feed-water inlet；3. feedwater outlet；4. hydrophobic outlet；5. at manhole；6. hydroecium every
Plate；7. grug feeding jar；8. pulse cycle cleaning device；9. manhole plugging device；10. flexible pipe；11. division board；12. water inlet interface；13.
Water outlet mouthpiece；14. clean water inlet；15. clean delivery port；16. gas liquid outlet；17. water return outlet；18. location-plate；19. water outlet
Interior adpting flange；20. the outer adpting flange of water outlet；21. adpting flange of intaking；22. turnbuckle；23. clamp nut；24. sealing
Pad；25. pipeline plug；26. main feed water pipe road；27. position supporting plate；Division board on 28.；29. lower division board；Among 30.
Division board；31. retainer；32. lock screw.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figures 2 and 3, the utility model proposes a kind of high-pressure heater electromagnetic pulse chemical cleaning system, bag
Include grug feeding jar 7, the pulse cycle cleaning device 8 being connected with the grug feeding jar 7 and be connected with the pulse cycle cleaning device 8
High-pressure heater 1,
Sealed set has pipeline plug 25 to the feed-water inlet 2 and feedwater outlet 3 of the high-pressure heater 1 respectively；
5 sealed sets have manhole plugging device 9 at the manhole of the high-pressure heater 1, and the manhole plugging device 9 includes setting
Location-plate 18, flexible pipe 10, division board 11 in the hydroecium of the high-pressure heater 1 and it is arranged on the division board 11
Water inlet interface 12 and water outlet mouthpiece 13,5 at the division board 11 and the manhole between be provided with sealing gasket；The location-plate 18
It is fixedly connected by turnbuckle 22, clamping nut 23 with the division board 11.The water inlet interface 12 of the manhole plugging device 9 connects
The gas liquid outlet 16 of the pulse cycle cleaning device 8 is connect, the inner side of water outlet mouthpiece 13 of the manhole plugging device 9 is by described soft
Pipe 10 connects the hydroecium dividing plate 6 of the high-pressure heater 1, and the outside of water outlet mouthpiece 13 of the manhole plugging device 9 connects the height
Press the cleaning water inlet 14 of the shell-side of heater 1；
The cleaning delivery port 15 of the shell-side bottom of high-pressure heater 1 connects the backwater of the pulse cycle cleaning device 8
Mouth 17.
It should be noted that：The pulse cycle cleaning device 8 used herein is a kind of automation cleaning device, should
Device fusion gas-liquid pulse cleaning technology, chemical cleaning technique and forward and reverse wash cycles technology；Electromagnetic pulse Chemical cleaning
Refer to the pulse of pulse cycle cleaning device 8, controlled by electromagnetic switch, the arteries and veins that compressed air is formed after being mixed with cleaning fluid
Punching.
" backwater " herein refers to high-pressure heater in cleaning process, is flowed out from the high-pressure heater shell-side bottom
The circulating medical solution flowed into afterwards by the pulse cycle cleaning device backwater interface.
Operation principle of the present utility model is：Compressed air is entered by the gas phase entrance of the pulse cycle cleaning device 8
Enter the pulse cycle cleaning device 8, chemical demineralizing water passes through described in the liquid phase entrance entrance of the pulse cycle cleaning device 8
Pulse cycle cleaning device 8, the grug feeding jar 7 is by the dosing mouth of the pulse cycle cleaning device 8 to the pulse cycle
Cleaning device 8 adds chemical agent, is cleaned after the immixture of pulse cycle cleaning device 8 by the pulse cycle
The gas liquid outlet 16 of device 8 exports cleaning fluid, and the cleaning fluid is flowed into described by the water inlet interface 12 of the manhole plugging device 9
High-pressure heater 1, clean the pipe side of the high-pressure heater 1；After cleaning, the cleaning fluid passes through the flexible pipe 10, institute
The water outlet mouthpiece 13 for stating manhole plugging device 9 flows into the automobile washing water inlet 19 of the high-pressure heater 1, starts to clean the height
Press the shell-side of heater 1, after cleaning, cleaning delivery port 15 of the cleaning fluid from the shell-side bottom of high-pressure heater 1
Outflow, the water return outlet 17 through the pulse cycle cleaning device 8 turn again to the cycle pulse cleaning device 8, complete once
Electromagnetic pulse Chemical cleaning.
The utility model has advantages below：The utility model passes through the grug feeding jar 7 and pulse cycle cleaning dress
Put 8 and constitute a high-pressure heater electromagnetic pulse chemical cleaning system with the high-pressure heater 1, wherein the hyperbaric heating
The feed-water inlet 2 and the feedwater outlet 3 of device 1 are respectively arranged with the pipeline plug 25, the high-pressure heater 1
5 are provided with the manhole plugging device 9 at the manhole；The pulse cycle cleaning dress is realized by the manhole plugging device 9
The circulation for putting the pipe side and the shell-side of the high-pressure heater 1 of the 8, high-pressure heater 1 connects, and efficiently solves existing high pressure
The cleaning technique of heater 1 can not effectively clean the problem of 1 shell-side of high-pressure heater；Simultaneously as the pulse cycle is clear
Cleaning device 8 has positive cleaning and a reverse cleaning function, the gas liquid outlet 16 of the pulse cycle cleaning device 8 and described
Water return outlet 17 is relative, if carrying out recycled back, the gas liquid outlet 16 and the water return outlet 17 also become reverse flow
It is dynamic.Significantly disturbance and forward and reverse flowing by circulating medical solution, realize the uniform mixing of cleaning fluid, are advantageous to cleaning fluid and dirt
Dirty fast reaction, cleaning dead angle is prevented, reach the quick purpose for peeling off dirt, there is cleaning efficiency height, elapsed time
The advantages of short, cleaning chemical consumption lacks.
Specifically, as shown in figure 4, the pipeline plug 25 includes main feed water pipe road 26 and fixed by bolt
Positioning supporting plate 27 in described one end of main feed water pipe road 26, be provided with the main feed water pipe road 26 division board 28 and under every
From plate 29, sealed set has intermediate isolating plate 30, the upper division board between the upper division board 28 and the lower division board 29
28th, the intermediate isolating plate 30 and the lower division board 29 are fixed in the positioning supporting plate 27 by turnbuckle 22, institute
State and be additionally provided with retainer 31 between division board 28 and the positioning supporting plate 27, the retainer 31 is consolidated by lock screw
It is scheduled on the main feed water pipe road 26；By the pipeline plug 25 seal the high-pressure heater 1 feed-water inlet 2 and to
Water out 3, quickly isolating for the hydroecium of high-pressure heater 1 is realized, original feedwater piping need not be cut in cleaning process, pacified
It is complete and easy.
Specifically, as shown in figure 5, the manhole plugging device 9 also includes adpting flange 19 in water outlet, the outer adpting flange of water outlet
20th, intake adpting flange 21, adpting flange 19 is arranged on the inner side of the water outlet mouthpiece 13 in the water outlet, connects outside the water outlet
Acting flange 20 is arranged on the outside of the water outlet mouthpiece 13, and the water inlet adpting flange 21 is arranged at the water inlet interface 12.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (4)
- A kind of 1. high-pressure heater electromagnetic pulse chemical cleaning system, it is characterised in that：Connect including grug feeding jar, with the grug feeding jar The pulse cycle cleaning device connect and the high-pressure heater being connected with the pulse cycle cleaning device, the high-pressure heater Feed-water inlet and feedwater outlet sealed set has pipeline plug respectively；Sealed set has manhole plugging device at the manhole of the high-pressure heater, and the manhole plugging device includes flexible pipe, division board And water inlet interface and water outlet mouthpiece on the division board are arranged on, the water inlet interface of the manhole plugging device connects the arteries and veins The gas liquid outlet of circulation cleaning device is rushed, passes through the flexible pipe connection high pressure on the inside of the water outlet mouthpiece of the manhole plugging device The hydroecium dividing plate of heater, the water outlet mouthpiece outside of the manhole plugging device connect the cleaning water inlet of the high-pressure heater shell-side Mouthful；The cleaning delivery port of the high-pressure heater shell-side bottom connects the water return outlet of the pulse cycle cleaning device.
- 2. high-pressure heater electromagnetic pulse chemical cleaning system according to claim 1, it is characterised in that：The pipeline envelope Stifled device includes main feed water pipe road and is installed in the positioning supporting plate of main feed water pipe road one end, is set in the main feed water pipe road Division board and lower division board are equipped with, sealed set has intermediate isolating plate, institute between the upper division board and the lower division board State division board, the intermediate isolating plate and the lower division board to be fixed in the positioning supporting plate by turnbuckle, institute State and be additionally provided with retainer between division board and the positioning supporting plate.
- 3. high-pressure heater electromagnetic pulse chemical cleaning system according to claim 1 or 2, it is characterised in that：The people Hole plugging device also includes the location-plate being arranged in the hydroecium of the high-pressure heater, and the location-plate passes through turnbuckle and institute Division board is stated to be fixedly connected.
- 4. high-pressure heater electromagnetic pulse chemical cleaning system according to claim 3, it is characterised in that：The manhole envelope Stifled device also includes adpting flange in water outlet, the outer adpting flange of water outlet, water inlet adpting flange, and adpting flange is arranged in the water outlet The inner side of the water outlet mouthpiece, the outer adpting flange of the water outlet are arranged on the outside of the water outlet mouthpiece, the water inlet connection method Orchid is arranged at the water inlet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460549.8U CN207214898U (en) | 2017-04-28 | 2017-04-28 | A kind of high-pressure heater electromagnetic pulse chemical cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460549.8U CN207214898U (en) | 2017-04-28 | 2017-04-28 | A kind of high-pressure heater electromagnetic pulse chemical cleaning system |
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| Publication Number | Publication Date |
|---|---|
| CN207214898U true CN207214898U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720460549.8U Active CN207214898U (en) | 2017-04-28 | 2017-04-28 | A kind of high-pressure heater electromagnetic pulse chemical cleaning system |
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| CN (1) | CN207214898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393637A (en) * | 2020-11-10 | 2021-02-23 | 洛阳瑞泽石化工程有限公司 | Online cleaning method for vacuum tower bottom heat exchanger of residual oil hydrocracking device |
-
2017
- 2017-04-28 CN CN201720460549.8U patent/CN207214898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393637A (en) * | 2020-11-10 | 2021-02-23 | 洛阳瑞泽石化工程有限公司 | Online cleaning method for vacuum tower bottom heat exchanger of residual oil hydrocracking device |
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