CN102364292A - High-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and high-pressure dirt flushing method - Google Patents
High-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and high-pressure dirt flushing method Download PDFInfo
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- CN102364292A CN102364292A CN2011103385676A CN201110338567A CN102364292A CN 102364292 A CN102364292 A CN 102364292A CN 2011103385676 A CN2011103385676 A CN 2011103385676A CN 201110338567 A CN201110338567 A CN 201110338567A CN 102364292 A CN102364292 A CN 102364292A
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Abstract
The invention relates to high-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and a high-pressure dirt flushing method. The equipment comprises a shell, a heat exchange tube bundle, a left tube plate, a right tube plate, a left end socket, a right end socket and tube pass partition plates, wherein the tube pass partition plates in the right end socket consist of a folding seal tube pass partition plate and a right tube pass fixed partition plate which is connected with the folding seal tube pass partition plate; a hollow main shaft is arranged in the right end socket; the front part of the hollow main shaft is provided with a flushing spray nozzle capable of rotating in a cylindrical barrel body; a plurality of nozzles are distributed on the flushing spray nozzle; the rear part of the hollow main shaft is provided with an annular cavity water guiding sleeve communicated with a water inlet hole; and the tail part of a hollow rotating shaft is provided with chain transmission equipment. In the multi-tube pass shell-and-tube heat exchange equipment, high-pressure clean water is conveyed by utilizing a high-pressure pump, and the tube pass partition plates are opened and closed by a knob; and the flushing spray nozzle is driven to rotate by the chain transmission equipment to flush a heat exchange tube. The multi-tube pass shell-and-tube heat exchange equipment has a simple structure and is convenient to operate, and dirt in the multi-tube pass shell-and-tube heat exchange equipment can be removed under the condition that the multi-tube pass shell-and-tube heat exchange equipment is not disassembled, so the working efficiency of the equipment is improved greatly.
Description
Technical field
The present invention relates to a kind of high pressure dirt removal multitube journey package heat transmission equipment and method, especially a kind of mechanical trash-removal device and method that is applicable to multitube journey heat transmission equipment.
Background technology
Developing new green regenerative energy sources is the important means that realizes energy-saving and emission-reduction, builds low-carbon economy.Because its good economical and energy saving property, the application of urban sewage as cold and heat source system is extensive day by day.Yet system's dirt has become the major obstacle that this system applies.Dirt causes the energy-saving effect of system to reduce about 40%.The influence of dirt is also very serious at other field.Particularly contain when being prone to into dirty material in a large number the dirt that forms at tube wall even cause the system can't operate as normal when tube fluid; As: food processing system, drug manufacture system or the like.The shell-tube type heat transmission equipment is the first-selected device of non-cleaning fluid heat transfer process, and at present spendable online descalling technique mainly contains two kinds of chemical cleaning method and physics descaling methods.The chemical cleaning method is possibility contaminated system and environment not only, and it obviously is helpless for open system (as: urban sewage as cold and heat source system).Physical method mainly contains pipe implant method and heat exchanger tube surface low energy facture.Wherein manage implant method common mechanical complex structure, reliability is low, and system is particularly evident for the multitube journey.And the method that heat exchanger tube surface low energy is handled contains the more fluid of dirty foreign material to the municipal sewage class, is difficult to the effect that reaches desirable.Current the most frequently used effective scale removal means still adopt shuts down and the disintegration heat transmission equipment carries out the labor cleaning, generally during the labor cleaning adopts the giant heat exchanging to restrain one by one brute force to wash away completion.This method not only takes time and effort, and inefficiency.More when the heat transmission equipment tube side, when volume is excessive, artificial cleaning ability also is difficult to meet the needs of production.Though the online douching technique of existing mechanical can be realized the process of removing contamination comparatively easily, there is also tangible drawback: (1) owing to the restriction of tube side dividing plate, it can only be applicable to the heat transmission equipment of maximum two tube sides.Tube side is very few to cause the heat transferring medium flow big and temperature change is little; Heat-obtaining heat transmission equipment with urban sewage as cold and heat source is an example; Can satisfy the designing requirement of sewage temperature drop 6 ~ 8K with case tube heat exchanger 6 tube sides of volume, and two tube side sewage temperature drops are merely 1 ~ 2K, obtain same heat; The heat transmission equipment of two tube sides then needs 4 ~ 5 times the discharge of sewage, has increased the pump consumption simultaneously.Sewage also is a kind of ten minutes Limited resources, and this obviously is difficult to accept; (2) the Flushing nozzle aperture area is excessive, and in the actual use, the water yield and the flow velocity thereof that can inject in the heat exchanger tube are very limited, cause scouring effect general.The flush equipment area is excessive, and to take in the tube side space too much, makes circulation area diminish, in the time of also can causing heat exchange work in the tube side local resistance excessive, influence the normal operation of heat transmission equipment; (3) generally adopt non-clean water.Non-clean water contains a large amount of solid particles, produces the cutting effect when washing at a high speed, and the heat exchanging equipment damage is serious.In addition, very limited through the dirt removal effect of the non-clean water of evidence.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point in the prior art, provide a kind of simple in structure, easy and simple to handle, time saving and energy saving, the efficient of removing contamination height, effective multitube journey package heat transmission equipment high pressure dirt removal method and apparatus.
Technical scheme: the multitube journey package heat transmission equipment of high pressure dirt removal of the present invention; Comprise housing, be located at heat-exchanging tube bundle in the housing, be fixed on the left and right tube sheet at heat-exchanging tube bundle two ends; The outside of left and right tube sheet is respectively equipped with left and right end socket, is equipped with a plurality of tube side dividing plates in the left and right end socket; The top of left side end socket is provided with sewage inlet; The bottom is provided with sewage outlet; Tube side dividing plate in the described right end socket is made up of with the right tube side stationary barrier that links to each other with fold closure tube side dividing plate fold closure tube side dividing plate; Fold closure tube side dividing plate links to each other with the rotating shaft that two ends are fixed on the right end socket, and the outer wall of right end socket is provided with the knob of the control fold closure tube side dividing plate rotation an angle of 90 degrees opening and closing that link to each other with rotating shaft; Be provided with an end in the right end socket and be fixed on the hollow spindle that right end socket centre bore outer end is fixed at right tube sheet middle part, the other end; The front portion of hollow spindle is provided with delivery port, and the delivery port place is provided with the Flushing nozzle that can in column-shaped barrel, rotate, and is furnished with on the Flushing nozzle and the corresponding plurality of nozzles of heat-exchanging tube bundle; The rear portion of hollow spindle is provided with the inlet opening; The place, inlet opening is connected with ring cavity water guide cover, and the ring cavity water guide puts and is provided with the ring cavity water inlet, and the afterbody of hollow rotating shaft is provided with the chain drive apparatus.
Said right end socket is by column-shaped barrel and the arc end socket is fixed forms, and the diameter of column-shaped barrel is identical with housing, and the length of column-shaped barrel is identical with the width of fold closure tube side dividing plate; The Flushing nozzle of stating be shaped as fan-shaped or rectangle, the nozzle opening width on it less than or identical with the caliber that is rinsed heat exchanger tube.
The high pressure dirt removal method of multitube journey package heat transmission equipment of the present invention comprises the steps:
When a. needing heat exchanging tube bank dirt removal, knob is rotated counterclockwise 90 degree, the fold closure tube side dividing plate in the right end socket is opened;
B. open high-pressure hydraulic pump, after water under high pressure gets into ring cavity through the ring cavity water inlet, get into hollow spindle again from the inlet opening, get into Flushing nozzle from delivery port through the main shaft inner chamber;
C. Flushing nozzle rotates under the drive of chain drive apparatus, per minute rotation 6-10 circle, and the exchange heat pipe washes operation, and the sewage after the flushing is discharged through Tube Sheet of Heat Exchanger side delivery port;
D. after washing the operation completion,, Flushing nozzle is parked in horizontal level, the knob dextrorotation is turn 90 degrees, the fold closure tube side dividing plate in the right end socket is closed, accomplish the scrubbing process through the control of chain drive apparatus.
Beneficial effect: owing to adopted technique scheme, the present invention one is to need not the heat exchanging equipment disintegration through collapsible tube side dividing plate promptly to accomplish the mechanical scrubbing to multitube journey heat transmission equipment; The 2nd, the water under high pressure of cleaning can effectively improve flushing speed in the heat exchanger tube, can't any infringement be arranged heat exchanging equipment, accomplishes the scrubbing purpose safely and effectively; The 3rd, online removing contamination immediately can reduce heat transmission equipment excess enthalpy area, reduces the influence of dirt to system; And guarantee that it efficiently moves for a long time; The 4th, mechanism of the present invention is simple, is easy to make, and easy to operate, effect is obvious.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Among the figure: 1-delivery port, 2-main shaft inner chamber, 3-hollow spindle, 4-bearing block, 5-clutch shaft bearing, 6-sealing gasket; 7-ring cavity water guide cover, 8-inlet opening, 9-ring cavity water inlet, 10-chain drive apparatus, 11-tube sheet side seal stationary barrier, the right tube side stationary barrier of 12-; The 13-axle, 14-Flushing nozzle, 15-arc end socket, 16-second bearing, 17-intermediary water water inlet, 18-intermediary water delivery port; The 19-sewage inlet, 20-left side tube side dividing plate, 21-center tube side dividing plate, 22-sewage outlet, 23-heat-exchanging tube bundle, 24-housing; The 25-knob, 26-sealed bearing, 27-left side tube sheet, the right tube sheet of 28-, 29-joint, 30-fold closure tube side dividing plate; 31-left side end socket, the right end socket of 32-, 33-column-shaped barrel, 34-cylindrical shell place sealing plate, 35-seal.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are done further to describe:
The multitube journey package heat transmission equipment of high pressure dirt removal of the present invention; Mainly by hollow spindle 3, bearing block 4, clutch shaft bearing 5, sealing gasket 6, chain drive apparatus 10, Flushing nozzle 14, second bearing 16, housing 24, left tube sheet 27, right tube sheet 28, joint 29, fold closure tube side dividing plate 30 are formed; Wherein: the two ends of housing 24 are connected through flange bolt with left end socket 31 and right end socket 32 respectively; Right end socket 32 is by column-shaped barrel 33 and arc end socket 15 affixed forming, fixed left and right tube sheet 27,28 in the housing 24; Heat-exchanging tube bundle 23 is welded on the tube sheet 27,28 by the design of heat exchanger requirement; Housing is provided with that intermediary's water is gone into, delivery port 17,18.End socket 31 tops, a left side are provided with sewage inlet 19, the bottom is provided with sewage outlet 22; Be provided with left tube side dividing plate 20 and center tube side dividing plate 21 in the end socket 31 of a left side.
Be provided with two tube side dividing plates up and down in the right end socket 32, each tube side dividing plate constitutes with the right tube side stationary barrier that links to each other with fold closure tube side dividing plate 30 12 by fold closure tube side dividing plate 30.Fold closure tube side dividing plate 30 links to each other through the axle 13 that sealed bearing 26 is fixed on the right end socket 32 with two ends, and the outer wall of right end socket 32 is provided with the knob 25 of the control fold closure tube side dividing plate 30 rotation an angle of 90 degrees opening and closing that link to each other with axle 13.
Be provided with an end in the right end socket 32 and be fixed on the hollow spindle 3 that right end socket 32 centre bore outer ends are fixed at right tube sheet 28 middle parts, the other end; The front portion of hollow spindle 3 is provided with delivery port 1; Delivery port 1 place is provided with the Flushing nozzle 14 that can in column-shaped barrel 33, rotate; Be furnished with on the Flushing nozzle 14 and heat-exchanging tube bundle 23 corresponding plurality of nozzles, the rear portion of hollow spindle 3 is provided with inlet opening 8, and 8 places, inlet opening are connected with ring cavity water guide cover 7; Ring cavity water guide cover 7 is provided with ring cavity water inlet 9, and the afterbody of hollow rotating shaft 3 is provided with chain drive apparatus 10.Chain drive apparatus 10 links to each other with an end of hollow spindle 3, and the centre bore that hollow spindle 3 passes right end socket 32 is contained in second bearing 16 on the right tube sheet 28.Said ring cavity water guide overlaps the corresponding joint 29 of 7 outer walls and is contained on the hollow spindle 3, and joint 29 is affixed with bearing block 4 respectively with right end socket 32, and seal 35 is housed prevents that sewage from overflowing, and between bearing block 4 and the hollow spindle 3 clutch shaft bearing 5 is housed.
Flushing nozzle 14 is contained in the right end socket 32, and Flushing nozzle 14 1 ends are fixed on the main shaft 3, and communicates with apopore 1, Flushing nozzle 14 be shaped as fan-shaped or rectangle, the nozzle opening width on the Flushing nozzle 14 less than or identical with the caliber that is rinsed heat exchanger tube.The other end is close to tube sheet side seal stationary barrier 11 and is left the gap.
Tube sheet side seal stationary barrier 11 is set on right tube sheet 28, and the width of tube sheet side seal stationary barrier 11 is 6mm; On column-shaped barrel 33, be provided with cylindrical shell place sealing plate 34, width is 6mm, is equipped with sealing gasket 6 with the contact-making surface of fold closure tube side dividing plate 30.
Earlier Flushing nozzle 14 is set in place between the tube side dividing plate of two sealings before the high pressure dirt removal method of multitube journey package heat transmission equipment of the present invention, dirt removal, is horizontal.When needing heat exchanging to restrain 23 dirt removals, heat-exchange system is in stopped status, and knob 25 is rotated counterclockwise 90 degree, and the fold closure tube side dividing plate 30 in the right end socket 32 is opened; . open high-pressure hydraulic pump, after high-pressure hydraulic pump extracts the cleaning water under high pressure and gets into ring cavities 7 through ring cavity water inlet 9,8 get into hollow spindles 3 from the inlet opening again, get into Flushing nozzle 14 through main shaft inner chamber 2 from delivery port 1, high pressure washing is carried out in heat exchanging tube bank 23; Flushing nozzle 14 rotates under the drive of chain drive apparatus 10; The rotating speed and the number of turns by chain drive apparatus 10 control Flushing nozzles 14; Per minute rotation 6-10 circle, clean water high-pressure hydraulic pump lift is the 20m-40m scope, irrigation flow rate is 3-5 times that sewage is used flow velocity in the heat-exchanging tube bundle; The range of flow of this water pump is 10t/h-50 t/h.The exchange heat pipe washes operation, and Flushing nozzle can be rotated and accomplished the flushing of 5-30 root heat exchanger tube, also can under the prerequisite that guarantees developing result, reduce operating cost.Dirt removal begin and when accomplishing Flushing nozzle all be in level, the each end-of-job of main shaft 3 institute rotating cycle is the integer circle.Flushing nozzle 14 be shaped as fan-shaped or rectangle, the A/F of its nozzle less than or suitable with the caliber of flushing heat exchanging pipe.Sewage after the flushing is discharged through Tube Sheet of Heat Exchanger side delivery port 22; After the flushing operation is accomplished,, Flushing nozzle 14 is parked in horizontal level, knob 25 dextrorotations are turn 90 degrees, the fold closure tube side dividing plate 30 in the right end socket 32 is closed, accomplish the scrubbing process through 10 controls of chain drive apparatus.After dirt removal was accomplished, 30 dextrorotations of fold closure tube side dividing plate went to horizontal level and contact with tube sheet side seal stationary barrier 11, cylindrical shell place sealing plate 34, right tube side stationary barrier 12, and all contact-making surfaces are equipped with sealing gasket 6, and are water-tight to guarantee the contact position; Right end socket 32 interior tube side dividing plate sealings this moment, heat transmission equipment can normally drop into heat exchange work.
Claims (4)
1. the multitube journey package heat transmission equipment of a high pressure dirt removal; Comprise housing (24), be located at heat-exchanging tube bundle (23) in the housing (24), be fixed on the left and right tube sheet (27,28) at heat-exchanging tube bundle (23) two ends; The outside of left and right tube sheet (27,28) is respectively equipped with left and right end socket (31,32), and left and right end socket is equipped with a plurality of tube side dividing plates in (31,32); The top of left side end socket (31) is provided with sewage inlet (19); The bottom is provided with sewage outlet (22); It is characterized in that: the tube side dividing plate in the described right end socket (32) is made up of with the right tube side stationary barrier (12) that links to each other with fold closure tube side dividing plate (30) fold closure tube side dividing plate (30); Fold closure tube side dividing plate (30) links to each other with the axle (13) that two ends are fixed on the right end socket (32), and the outer wall of right end socket (32) is provided with the knob (25) of control fold closure tube side dividing plate (30) the rotation an angle of 90 degrees opening and closing that link to each other with axle (13); Be provided with an end in the right end socket (32) and be fixed on the hollow spindle (3) that right end socket (32) centre bore outer end is fixed at right tube sheet (28) middle part, the other end; The front portion of hollow spindle (3) is provided with delivery port (1); Delivery port (1) locates to be provided with the Flushing nozzle (14) that can in column-shaped barrel (33), rotate; Be furnished with on the Flushing nozzle (14) and the corresponding plurality of nozzles of heat-exchanging tube bundle (23), the rear portion of hollow spindle (3) is provided with inlet opening (8), and ring cavity water guide cover (7) is located to be connected with in inlet opening (8); Ring cavity water guide cover (7) is provided with ring cavity water inlet (9), and the afterbody of hollow rotating shaft (3) is provided with chain drive apparatus (10).
2. the multitube journey package heat transmission equipment of high pressure dirt removal according to claim 1; It is characterized in that: said right end socket (32) is by column-shaped barrel (33) and arc end socket (15) fixed composition; The diameter of column-shaped barrel (33) is identical with housing (24), and the length of column-shaped barrel (33) is identical with the width of fold closure tube side dividing plate (30).
3. the multitube journey package heat transmission equipment of high pressure dirt removal according to claim 1 is characterized in that: described Flushing nozzle (14) be shaped as fan-shaped or rectangle, the nozzle opening width on it less than or identical with the caliber that is rinsed heat exchanger tube.
4. the high pressure dirt removal method like the said multitube journey of above-mentioned claim package heat transmission equipment is characterized in that comprising the steps:
When a. needing heat exchanging tube bank (23) dirt removal, knob (25) is rotated counterclockwise 90 degree, the fold closure tube side dividing plate (30) in the right end socket (32) is opened;
B. open high-pressure hydraulic pump, after water under high pressure got into ring cavity (7) through ring cavity water inlet (9), (8) got into hollow spindle (3) from the inlet opening again, get into Flushing nozzle (14) through main shaft inner chamber (2) from delivery port (1);
C. Flushing nozzle (14) rotates under the drive of chain drive apparatus (10), per minute rotation 6-10 circle, and the exchange heat pipe washes operation, and the sewage after the flushing is discharged through Tube Sheet of Heat Exchanger side delivery port (22);
D. after washing the operation completion,, Flushing nozzle (14) is parked in horizontal level, knob (25) dextrorotation is turn 90 degrees, the fold closure tube side dividing plate (30) in the right end socket (32) is closed, accomplish the scrubbing process through chain drive apparatus (10) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338567 CN102364292B (en) | 2011-11-01 | 2011-11-01 | High-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and high-pressure dirt flushing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338567 CN102364292B (en) | 2011-11-01 | 2011-11-01 | High-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and high-pressure dirt flushing method |
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| Publication Number | Publication Date |
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| CN102364292A true CN102364292A (en) | 2012-02-29 |
| CN102364292B CN102364292B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110338567 Expired - Fee Related CN102364292B (en) | 2011-11-01 | 2011-11-01 | High-pressure dirt flushing multi-tube pass shell-and-tube heat exchange equipment and high-pressure dirt flushing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679809A (en) * | 2012-05-29 | 2012-09-19 | 苏州市金翔钛设备有限公司 | Self-cleaning type overhead condenser |
| CN104697393A (en) * | 2015-03-16 | 2015-06-10 | 北京中科华誉热泵设备制造有限公司 | Shell tube dry type evaporator with spraying type cleaning structure |
| CN108519020A (en) * | 2018-05-21 | 2018-09-11 | 洛阳均流流体技术有限公司 | A kind of spray equipment for heat exchanger |
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| JPS60240999A (en) * | 1984-05-14 | 1985-11-29 | Mitsubishi Electric Corp | Scale removing device of liquid filled type heat exchanger |
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| CN202304587U (en) * | 2011-11-01 | 2012-07-04 | 中国矿业大学 | Multi-tube pass shell and tube heat exchange equipment employing high-pressure contaminant sluicing |
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2011
- 2011-11-01 CN CN 201110338567 patent/CN102364292B/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| JPS60240999A (en) * | 1984-05-14 | 1985-11-29 | Mitsubishi Electric Corp | Scale removing device of liquid filled type heat exchanger |
| CN86107449A (en) * | 1985-11-07 | 1987-05-27 | 坂本隆夫 | Method for cleaning inner surface of heat transfering tube of heat exchanger |
| JPH10108818A (en) * | 1996-10-04 | 1998-04-28 | Hoshizaki Electric Co Ltd | Heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679809A (en) * | 2012-05-29 | 2012-09-19 | 苏州市金翔钛设备有限公司 | Self-cleaning type overhead condenser |
| CN104697393A (en) * | 2015-03-16 | 2015-06-10 | 北京中科华誉热泵设备制造有限公司 | Shell tube dry type evaporator with spraying type cleaning structure |
| CN108519020A (en) * | 2018-05-21 | 2018-09-11 | 洛阳均流流体技术有限公司 | A kind of spray equipment for heat exchanger |
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| CN102364292B (en) | 2013-01-02 |
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