CN104596350A - Online rapid pickling device and method for condenser in power plant - Google Patents
Online rapid pickling device and method for condenser in power plant Download PDFInfo
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- CN104596350A CN104596350A CN201510010651.3A CN201510010651A CN104596350A CN 104596350 A CN104596350 A CN 104596350A CN 201510010651 A CN201510010651 A CN 201510010651A CN 104596350 A CN104596350 A CN 104596350A
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- 238000005554 pickling Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 235000021110 pickles Nutrition 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 abstract 7
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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- 230000003252 repetitive effect Effects 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an online rapid pickling device and method for a condenser in a power plant. The online rapid pickling device comprises a pickling liquid distribution device and a servo motor which are arranged outside a condenser water chamber, wherein an underwater positioning device for accurately positioning and a rapid filler for injecting pickling liquid are arranged in the condenser water chamber; the servo device is connected with the underwater positioning device; the pickling liquid distribution device is connected with the rapid filler; the servo device is used for transmitting a command to an underwater vertical positioning device in order to drive the rapid filler on a vertical coupler support to arrive at a specified area; a propeller on the support is used for driving the rapid filler to move forwards to be in hermetical butt joint with a condenser tube plate; the liquid distribution device is used for supplying pickling liquid to the rapid filler; the rapid filler is used for filling the pickling liquid into a plurality of rows of condenser heat exchange tubes in a covered area; after set cleaning and soaking time is reached, the rapid filler is separated from the condenser tube plate under the driving action of the propeller, and moves to a next area according to a set program for cleaning continually. By adopting the online rapid pickling device and method, the cleaning time is shortened greatly, the equipment running reliability is enhanced, and the cleaning cost of the condenser is lowered.
Description
Technical field
The invention belongs to plant condenser Chemical cleaning field, is a kind of new technology of heat exchanger energy-saving and emission-reduction, is to adopt underwater hydraulic location technology, the incrustation scale of heat exchanger tube in condenser and spot is realized to a kind of novel technical method of quick in-site chemical cleaning.
Background technology
Plant condenser is widely used in one of power system main auxiliary equipment, is responsible for the cooling task of turbine discharge, and the quality of its service behaviour has important impact to the safety of power plant, economical operation.In diabatic process, in condenser, heat exchanger tube water side inwall is owing to easily forming incrustation scale and spot by heating and the impact of water quality, and the performance of heat exchanger exerts an adverse impact, and how in time removing incrustation scale and spot are power plant's major issues urgently to be resolved hurrily always.
Condenser is made up of thousands of heat exchanger tubes, steam is walked outside pipe, cooling water is walked in pipe, because there being the existence of heat exchange, the salt in cooling water is constantly separated out in laser heating process, forms a large amount of incrustation scales and is attached on tube wall, vacuum in condenser is caused to decline, gross coal consumption rate rises, and cost of electricity-generating increases, and therefore reduces the efficiency of Turbo-generator Set.As condenser fouling about 0.5mm, vacuum can be made to drop to less than 85% by more than 90%, gross coal consumption rate is made to raise 15 ~ 20g/kWh, for the 300MW unit that a year running 7000h, rate of load condensate are 90 %, standard coal about 28 ~ 380,000 t will be consumed every year more, if scale forming reaches 1mm, then not only many coal consumptions will exceed annual more than 50,000 tons, and will affect 10% exert oneself.In condenser, vacuum declines, and the exhaust temperature of steam turbine also can be made to raise, cause the distortion of low pressure (LP) cylinder, not only affects the economy that power plant runs, and also directly affects the security of operation of Turbo-generator Set.The present invention proposes for this problem, with minute quantity targetedly, specific chemical, online chemistry accurately a kind of technical method of cleaning is realized to incrustation scale in condenser and spot.
The method of similar on-line cleaning the present invention and power plant commonly used below is carried out one and is compared:
1) condenser ball cleaning method (this method is power plant's standard configuration): then drop into a large amount of glueballs at condenser water, glueballs flows with recirculated water, pass through heat exchange tube of condenser, exchange heat pipe cleans, although it can play the effect of certain scale removal, but due to glueballs can not too greatly, too hard otherwise be difficult to by heat exchange tube of condenser, but too little, too soft, can descale effect be affected again, cause the glueballs rate of recovery to reduce.In addition, rubber ball cleaning method also depends on the flow velocity of recirculated water, winter, circulating water temperature was low, flow can not be large, otherwise can hot-well depression be produced, cause unit operation economy to decline. the decline of flow causes the decline of water flow velocity in heat exchanger tube, and rubber ball cleaning effect declines, condenser clean rate declines, and minimumly reaches 0.4 (design load 0.85).Do the system of recirculated water for water in employing, effect is just poorer, therefore how to make good use of the difficult problem that glueballs is also puzzlement power plant always.A large amount of articles about glueballs improvement can be found at more than CNK and just demonstrate this point, but same problem there will be again after running a period of time after transformation, rubber ball cleaning inherently Existence dependency recirculated water flow velocity is described, ball collecting rate and cleaning performance are difficult to satisfactory to both parties significant deficiency.
2) condenser in-site chemical cleaning method: now power plant capital without exception adds a large amount of chemicals (mainly acid, corrosion inhibiter and algicide are that neutralization discharge also will add a large amount of alkali), to stop the growth of heat exchanger tube fouling and algae substantially on the basis of dropping into rubber ball cleaning in condenser circulating water pool.Along with unit capacity increases, the circulating cooling water yield is increasing, 300MW unit is about 40000t/h, cooling tower circulating cooling evaporated quantity of water is about 2600t/h, 600MW, 1000MW unit is just more, in order to ensure scale inhibition, sterilization effect, maintain the low pH value of recirculated cooling water, chemical feeding quantity is well imagined, for 300MW unit, the expense of dosing in a year is about about 2,000,000 yuan.However, to employing in water (country have regulation electric power plant circulating water to adopt in water, to avoid adopting underground water) as the unit of circulating cooling water of power plant, effect is also not obvious, many units because of fouling seriously have to run duration carry out facing stop cleaning, to ensure the security of unit operation.
The subject matter of this cleaning method is: the chemical added, and is recycled recirculated water a large amount of in pond and dilutes, do not reach cleaning concentration far away to during heat exchange tube of condenser, has wasted a large amount of chemical.
Summary of the invention
According to the deficiency that prior art exists, the present invention proposes a kind of pickle consumption precisely, features high scale-removing effect, the online pickling technology fast of plant condenser of zero-emission can be realized.
Technical solution of the present invention realizes by the following method:
The online fast acid cleaning device of a kind of plant condenser, comprise the pickling liquid dispensing device and servomechanism installation that are arranged on condenser water outdoor, be provided with in described condenser water indoor and fill with device for pinpoint underwater positioning device and the speed for injecting pickle, described servomechanism installation is connected underwater positioning device by water-proof cable with hydraulic tube, described pickling liquid dispensing device connects speed by liquid injection pipe and fills with device, and described underwater positioning device comprises a vertical hydraulic cylinder and a upright guide rail by vertical coupling center; Described vertical coupling upper and lower end center is provided with linear bearing, dynamic cooperation is formed with described upright guide rail, vertical coupling upper and lower end is separately installed with casing I and casing II identical with casing I, described casing I is provided with upper bracket, described casing II is provided with the undersetting identical with upper bracket; Described upper bracket is provided with speed and fills with device I, described undersetting is provided with and fills with the identical speed of device I with speed and fill with device II.
Described speed is filled with device I and is comprised grooved part, described grooved part is provided with sliding rail, described sliding rail is provided with the propeller that speed can be advanced to fill with device; Described grooved part is also provided with two for injecting note mouth and two equalizing valves of pickle; Speed is filled with between device I and speed filling device II and is provided with fluid injection cross over pipe.
Described upper bracket is made up of the channel-section steel be connected on casing and the gripper shoe be connected on channel-section steel.
Described vertical hydraulic cylinder is built-in with position sensor.
Described liquid injection pipe is connected by liquid injection pipe articulated joint.
Described speed fill with device I front end be provided with can realize speed fill with device I seal with condenser tube sheet the annular sealing member docked.
Described upright guide rail upper and lower end is arranged on the base that is fixedly mounted on condenser tube sheet.
One utilizes described device to the online fast acid washing method of plant condenser:
A. servomechanism installation sends instruction to underwater positioning device, drives upper bracket and undersetting to arrive setting condenser heat exchanger tube sheet ordinate position;
B. underwater positioning device latched position, the work of propeller horizontal direction advances that speed fills with device I, speed fills with device II and the docking of condenser tube sheet, and closes this region, avoids cooling water to enter and the leaking outside of pickle;
C. pickling liquid dispensing device is filled with device by liquid injection pipe to speed and is confessed pickle, and pickle feeds in heat exchange tube of condenser and carries out Chemical cleaning, immersion by speed filling device;
D. after the cleaning and dipping time reaching setting, pickle is injected in the stopping of pickling liquid dispensing device, opens equalizing valve, fills with device I, speed filling device II exits and docks with the sealing of condenser tube sheet under servomechanism installation drives, return on upper bracket and undersetting, close equalizing valve;
E. after speed fills with device depressurization state, follow procedure moves to next condenser region to be cleaned, and cooling water enters cleaning area automatically, and cleaning rear residue, raffinate are taken away in dilution, complete a cleaning task, repeat the cleaning task that this action of a ~ e completes whole condenser.
Can realize on-line cleaning to many rows heat exchange tube of condenser that speed is filled with in device overlay area, multiple batches of emphasis cleaning is carried out in region that also can be optionally serious to fouling simultaneously.
The invention has the beneficial effects as follows:
A. simplify the structure, only just can complete positioning work with a vertical hydraulic cylinder, reduce the requirement to positioning precision, improve the operational reliability of device;
B. the length of speed filling device can design according to condenser water box, carries out all standing cleaning, is moved up and down by drive unit, carry out all standing cleaning to condenser to a row or multi-row heat exchanger tube;
C. increased substantially cleaning speed, shortened scavenging period, having filled with device by reasonably designing speed, whole condenser (20,000 pipes) cleaning can be completed in 8 ~ 12 hours;
D. zero-emission can be reached, the present invention is for maximum plant condenser heat exchanger tube (φ 23.5x11000): the internal capacity of every root heat exchanger tube only have 5L less than, calculate once to clean 160 pipes, adopt rapid chemical cleaning chemical feeding quantity only less than 80L, avoiding chemical agent adds by the consequence of Macrodilution in recirculated water, significantly can reduce the use amount of chemical.Reach same cleaning performance through measuring and calculating, dosage can be reduced and reach more than 10 times.Significantly reduce cleaned cost while increased substantially cleaning performance.Due to less developer, chemical feeding quantity can be determined as the case may be again, chemical reaction fully completely can be guaranteed, and quantity of circulating water be more than ten thousand times of chemical feeding quantity, therefore can reach zero-emission completely;
E. pickle of the present invention can have and keeps certain pickling concentration in local in a row or multi-row heat exchanger tube, just in case flow out, due to more than ten thousand times that quantity of circulating water (for plant condenser) is chemical feeding quantity, be diluted to an extremely low concentration (within 5/10000ths) at once and can flow through other auxiliary equipment such as circulating water pipeline, water circulating pump, condenser tube sheet by the chemical completely not with concentration than similar chemical on-line cleaning method, thus avoid the corrosion failure to them thoroughly;
F. novel speed is adopted to fill with device, than before propose " on-line cleaning power plant steam condenser using high pressure water jet device people technology " (referring to patent: ZL200510037864.1), the present invention's speed is filled with device and is only run outside heat exchange tube inlet, eliminate high-pressure hose and shower nozzle and enter action in heat exchanger tube, decrease coil system, the folding and unfolding action of mesohigh flexible pipe is run without ' high pressure water-jet cleaner device people ', simplify apparatus and control difficulty, effectively avoid many operation unsafe factors, significantly improve reliability of operation.Therefore, not only can apply in plant condenser, go back easily extensible and apply to other industrial condenser;
G. underwater positioning device of the present invention, adopts the hanging underwater positioning device of hydraulic suspension to form, and than old joint type underwater robot, can realize the cleaning of heat exchanger tube many rows region, be convenient to the realization of path clustering, substantially reduce scavenging period; Due to the high pressure of hydraulic means self, the characteristic of good seal, effectively solve the problem of " prosthetic robot " dynamic seal (packing), improve operational reliability; Its structure is more simple, and area coverage is substantially without dead band; Self-locking property is good, anti-vibration, stability are high, and underwater portion is more conducive to the security of underwater operation without electrical equipment, is convenient to the realization of washing motion path clustering, has better practicality.
As mentioned above, the present invention, under the prerequisite realizing zero-emission, has increased substantially cleaning speed, shortens condenser scavenging period, improve reliability of operation, while reducing condenser cleaning cost, ensure again cleaning performance (condenser clean rate can be kept in real time).Achieve double goal that is energy-conservation, that reduce discharging, in this area, therefore have good and application prospect widely.
Accompanying drawing explanation
Fig. 1 is the total figure mono-of structure of the present invention;
Fig. 2 is that the present invention's speed fills with device built-up propeller structural representation;
Fig. 3 is the total figure bis-of structure of the present invention;
Fig. 4 is that the present invention's speed fills with device cylinder propeller structure schematic diagram;
1-condenser returns hydroecium, 2-heat exchange tube of condenser, 3-pickling liquid dispensing device, 4-servomechanism installation, 5-condenser tube sheet, 6-vertical hydraulic cylinder, 7-liquid injection pipe, the articulated joint of 8-liquid injection pipe, 9-upper bracket, 10-speed fills with device I, 11-sliding rail, 12-vertical coupling, 13-undersetting, 14-speed fills with device II, 15-upright guide rail, 16-propeller, 17-casing I, 18-gripper shoe, 19-grooved part, 20-annular sealing member, 21-note mouth, 22-fluid injection cross over pipe, 23-channel-section steel, 24-driving cylinder, 25-position sensor, 26-equalizing valve, 27-push rod, 28-articulated joint, 29-slide block, 30-guide chute, 31-linear bearing, 32-base, 33-casing II.
Detailed description of the invention
Below in conjunction with accompanying drawing, by specific embodiment, technical solution of the present invention is described further.
As shown in Figures 1 to 4, the online fast acid cleaning device of a kind of plant condenser, comprise and be arranged on pickle liquid dispensing device 3 outside condenser water box 1 and servomechanism installation 4, pickle liquid dispensing device 3 is by cleaning agent preparing tank, acid adding pump and valve composition, configurable approved product, be provided with in condenser water box 1 and fill with device for pinpoint underwater positioning device and the speed for injecting pickle, underwater positioning device, depending on technical conditions, also the jacking equipment of other band position sensor can be adopted, requirement can run at lower term underwater, the mechanical device of repetitive positioning accuracy <2mm realizes, servomechanism installation 4 is connected underwater positioning device by water-proof cable with hydraulic tube, pickling liquid dispensing device 3 connects speed by liquid injection pipe 7 and fills with device, liquid injection pipe 7 is connected by liquid injection pipe articulated joint 8, underwater positioning device comprises a vertical hydraulic cylinder 6 and a upright guide rail 15 by vertical coupling 12 center, vertical hydraulic cylinder 6 is built-in with position sensor 25, on upright guide rail 15, lower end is arranged on the base 33 that is fixedly mounted on condenser tube sheet 5, vertical coupling 12 upper and lower end center is provided with linear bearing 31, dynamic cooperation is formed with upright guide rail 15, vertical coupling 12 upper and lower end is separately installed with casing I 17 and casing II 33 identical with casing I 17, casing I 17 is provided with upper bracket 9, upper bracket 9 is made up of the channel-section steel 23 be connected on casing 17 and the gripper shoe 18 be connected on channel-section steel 23, casing II 33 is provided with the undersetting 13 identical with upper bracket 9, upper bracket 9 is provided with speed and fills with device I 10, undersetting 13 is provided with and fills with the identical speed of device I 10 with speed and fill with device II 14.
Speed fills with the grooved part 19 that device I 10 comprises stainless steel making, grooved part 19 is provided with sliding rail 11, sliding rail 11 is provided with the propeller 16 that speed can be advanced to fill with device; Grooved part 19 is also provided with two for injecting note mouth 21 and two equalizing valves 26 of pickle; Speed is filled with device I 10 and speed and is filled with between device II 14 and be provided with fluid injection cross over pipe 22, and speed is filled with device I 10 front end and is provided with and can realizes speed and fill with device I 10 and seal with condenser tube sheet 5 annular sealing member 20 docked.
Propeller 16 in different ways, can adopt hydraulic pressure or pneumatic actuation.
The concrete implementation example 1 of propeller 16 the present invention: as shown in Figure 1 and Figure 2, two guide chutes 30 are respectively equipped with after speed fills with device 14 and before gripper shoe 18, slide block 29 is provided with in guide chute 30, it is hinged that slide block 29 and push rod 27 pass through articulated joint 28, cylinder bar and the cylinder body of push rod 27 and driving cylinder 24 are hinged, during the work of driving cylinder 24 horizontal direction, promote speed filling device 14 and realize moving back and forth.
Shown in the concrete implementation example 2: Fig. 3 of propeller 16 the present invention, Fig. 4, propeller 16 is the both sides that a driving cylinder (gas, hydraulic pressure) is arranged on gripper shoe 18, when driving cylinder stretches, realizes the reciprocating motion that speed fills with device.
Upper bracket 9 is made up of the channel-section steel 23 be connected on casing 17 and the gripper shoe 18 be connected on channel-section steel 23.
The online fast acid washing method of a kind of plant condenser:
A. start servomechanism installation 4, industrial computer and sensor-based system power up, and carry out sensor self-inspection;
B. start underwater positioning device, detect speed and fill with device initial position;
C. start pickling liquid dispensing device 1, dosing pump power transmission, detection liquid level, water level, carry out the front preparation of cleaning;
D. provide condenser tube sheet 5 lengthwise position coordinate by servomechanism installation 4, drive vertical coupling 12 and upper bracket 9 and undersetting 13, speed is filled with device and delivers to condenser tube sheet 5 assigned address;
E. servomechanism installation 4 receives speed and fills with after device position sensor sends the signal that puts in place, propeller 16 marches forward, drive and fill with device I 10, speed is filled with device II 14 and is advanced, after running to setpoint distance, fill with device I 10, the speed annular sealing member 20 of filling with on device II 14 will be depressed on condenser tube sheet 5 and heat exchange tube of condenser 2 realizes sealing docking, pickling liquid dispensing device 3 is along liquid injection pipe 7, liquid injection pipe articulated joint 8, fluid injection cross over pipe 22, note mouth 21 is to filling device I 10, speed is filled with device II 14 and is pumped pickle, fill with device I 10, speed is filled with device II 14 and is injected pickle to heat exchanger tube in condenser sealing area, soak after filling, after the time reaching setting, open equalizing valve 26, propeller 16 reclaims, propeller 16 drives fills with device I 10, speed filling device II 14 exits and returns bearing, after inductive switch sends and exits the signal that puts in place, close equalizing valve 26.Complete the on-line cleaning of one group of heat exchange tube of condenser 120 ~ 300, system repeats above-mentioned steps a ~ e, then carries out the on-line cleaning of next group heat exchange tube of condenser 2;
F., after all heat exchange tube of condensers 2 have cleaned, servomechanism installation 4 instruction, stoppage in transit pickling liquid dispensing device 3, fills with device I 10, speed filling device II 14 returns initial position.
Arrange and fouling condition depending on condenser inner space, heat exchange tube of condenser 2, can realize online, off-line to the cleaning in groups of a row or multi-row heat exchanger tube of single condenser, multiple batches of emphasis cleaning is carried out in heat exchange tube of condenser region that also can be optionally serious to fouling.
Claims (9)
1. the online fast acid cleaning device of plant condenser, comprise and be arranged on the outer pickling liquid dispensing device (3) of condenser water box (1) and servomechanism installation (4), be provided with in described condenser water box (1) and fill with device for pinpoint underwater positioning device and the speed for injecting pickle, it is characterized in that: described servomechanism installation (4) is connected underwater positioning device by water-proof cable with hydraulic tube, described pickling liquid dispensing device (3) connects speed by liquid injection pipe (7) and fills with device, described underwater positioning device comprises a vertical hydraulic cylinder (6) with one by the upright guide rail (15) at vertical coupling (12) center, described vertical coupling (12) upper and lower end center is provided with linear bearing (31), dynamic cooperation is formed with described upright guide rail (15), vertical coupling (12) upper and lower end is separately installed with casing I (17) and casing II (33) identical with casing I (17), described casing I (17) is provided with upper bracket (9), described casing II (33) is provided with the undersetting (13) identical with upper bracket (9), described upper bracket (9) is provided with speed and fills with device I (10), described undersetting (13) is provided with and fills with the identical speed of device I (10) with speed and fill with device II (14).
2. the online fast acid cleaning device of a kind of plant condenser according to claim 1, it is characterized in that: described speed is filled with device I (10) and comprised grooved part (19), described grooved part (19) is provided with sliding rail (11), described sliding rail (11) is provided with the propeller (16) that speed can be advanced to fill with device; Described grooved part (19) is also provided with two for injecting note mouth (21) and two equalizing valves (26) of pickle; Described speed is filled with between device I (10) and described speed filling device II (14) and is provided with fluid injection cross over pipe (22).
3. the online fast acid cleaning device of a kind of plant condenser according to claim 1, is characterized in that: described upper bracket (9) is made up of the channel-section steel (23) be connected on casing (17) and the gripper shoe (18) be connected on channel-section steel (23).
4. the online fast acid cleaning device of a kind of plant condenser according to claim 1, is characterized in that: described vertical hydraulic cylinder (6) is built-in with position sensor (25).
5. the online fast acid cleaning device of a kind of plant condenser according to claim 1, is characterized in that: described liquid injection pipe (7) is connected by liquid injection pipe articulated joint (8).
6. the online fast acid cleaning device of a kind of plant condenser according to claim 1, is characterized in that: described speed is filled with device I (10) front end and is provided with and can realizes speed and fill with device I (10) and seal with condenser tube sheet (5) annular sealing member (20) docked.
7. the online fast acid cleaning device of a kind of plant condenser according to claim 1, is characterized in that: described upright guide rail (15) upper and lower end is arranged on the base (33) that is fixedly mounted on condenser tube sheet (5).
8. one kind utilizes device described in claim 1-7 to the online fast acid washing method of plant condenser: it is characterized in that:
A. servomechanism installation (4) sends instruction to underwater positioning device, drives upper bracket (9) and undersetting (13) to arrive setting condenser heat exchanger tube sheet ordinate position;
B. underwater positioning device latched position, propeller (16) horizontal direction work advances that speed fills with device I (10), speed fills with device II (14) and condenser tube sheet (5) docking, and this region closed, avoids cooling water to enter and the leaking outside of pickle;
C. pickling liquid dispensing device (3) is filled with device by liquid injection pipe (7) to speed and is confessed pickle, and pickle feeds in heat exchange tube of condenser and carries out Chemical cleaning, immersion by speed filling device;
D. after the cleaning and dipping time reaching setting, pickling liquid dispensing device (3) stops injecting pickle, open equalizing valve (26), fill with device I (10), speed filling device II (14) exits and docks with the sealing of condenser tube sheet (5) under servomechanism installation (4) drives, return on upper bracket (9) and undersetting (13), close equalizing valve (26);
E. after speed fills with device depressurization state, follow procedure moves to next condenser region to be cleaned, and cooling water enters cleaning area automatically, and cleaning rear residue, raffinate are taken away in dilution, complete a cleaning task, repeat the cleaning task that this action of a ~ e completes whole condenser.
9. the online fast acid washing method of a kind of plant condenser according to claim 8: it is characterized in that: can realize on-line cleaning to many rows heat exchange tube of condenser (2) that speed is filled with in device overlay area, multiple batches of emphasis cleaning is carried out in region that also can be optionally serious to fouling simultaneously.
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| CN201510010651.3A CN104596350B (en) | 2015-01-09 | 2015-01-09 | A kind of plant condenser online fast acid cleaning device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949571A (en) * | 2015-06-17 | 2015-09-30 | 彭伟 | Method and device for zero-release online accurate chemical cleaning of tubular heat exchanger |
| CN105241265A (en) * | 2015-10-23 | 2016-01-13 | 苏州市金翔钛设备有限公司 | Condenser convenient to disassemble and clean |
| CN106595381A (en) * | 2016-11-15 | 2017-04-26 | 中国矿业大学 | Device and method for chemically cleaning condenser based on continuous jet of acid cleaner |
| CN108827062A (en) * | 2018-07-25 | 2018-11-16 | 润电能源科学技术有限公司 | A kind of biological control method and device |
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| CN104949571A (en) * | 2015-06-17 | 2015-09-30 | 彭伟 | Method and device for zero-release online accurate chemical cleaning of tubular heat exchanger |
| CN104949571B (en) * | 2015-06-17 | 2018-06-26 | 彭伟 | Zero-emission online accurate chemical cleaning method and device for tube heat exchanger |
| CN105241265A (en) * | 2015-10-23 | 2016-01-13 | 苏州市金翔钛设备有限公司 | Condenser convenient to disassemble and clean |
| CN106595381A (en) * | 2016-11-15 | 2017-04-26 | 中国矿业大学 | Device and method for chemically cleaning condenser based on continuous jet of acid cleaner |
| CN108827062A (en) * | 2018-07-25 | 2018-11-16 | 润电能源科学技术有限公司 | A kind of biological control method and device |
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| CN104596350B (en) | 2016-08-17 |
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