CN209715878U - A kind of fuel assembly cleaning device - Google Patents

A kind of fuel assembly cleaning device Download PDF

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Publication number
CN209715878U
CN209715878U CN201920473054.8U CN201920473054U CN209715878U CN 209715878 U CN209715878 U CN 209715878U CN 201920473054 U CN201920473054 U CN 201920473054U CN 209715878 U CN209715878 U CN 209715878U
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CN
China
Prior art keywords
potcher
fuel assembly
slot
cleaning device
rinse bath
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Active
Application number
CN201920473054.8U
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Chinese (zh)
Inventor
王革
褚银玲
唐荣联
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CMCU Engineering Co Ltd
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CMCU Engineering Co Ltd
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Priority to CN201920473054.8U priority Critical patent/CN209715878U/en
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Abstract

The utility model discloses a kind of fuel assembly cleaning devices, belong to the field of nuclear fuel assembly cleaning equipment, including rinse bath, first time potcher, second of potcher, dry slot and the final inspection slot set gradually, it include external circulation stirring filtering and heating system in rinse bath, first time potcher and second of potcher, external circulation stirring filtering and heating system includes blue formula filter, circulating pump, bag filter and the electric heater set gradually in slot extracorporeal circuit, the stirring pipeline and venturi nozzles that setting is connected to exterior line in slot.The utility model realizes the new method of fuel assembly cleaning, to adapt to the washing and cleaning operation demand of elongate articles class workpiece, solve the super larges such as China's nuclear fuel rod component, petroleum rod piece, hydraulic cylinder part, ultra-fine cleaning equipment for work-piece, technique is backward, energy consumption wastes serious problem.

Description

A kind of fuel assembly cleaning device
Technical field
The utility model belongs to the field of nuclear fuel assembly cleaning equipment, is related to a kind of fuel assembly cleaning device.
Background technique
Currently, overlength, ultra-fine workpiece such as nuclear fuel rod component, petroleum rod piece, hydraulic cylinder part etc., which carry out washing and cleaning operation, to be made Cleaning machine is mostly simple groove body formula, no circulation stirring system, and leads to steam in groove body and directly heated, a little the bottom of at Portion sets pressure blank pipe, is to directly heat tank liquor.
The problem of it is primarily present has:
(1) groove body elongated dimension is deep (for length up to 5m or more, diameter is small, only 0.5~0.8m or less);
(2) to meet manufacturing technique requirent, more cleaning groove bodies need to be set, workshop larger area is occupied;
(3) it is directly heated using steam, heating time is long, and heating uniformity is poor in slot;
(4) groove body is without filtration system, it cannot be guaranteed that the cleanliness of tank liquor, has an impact to product quality;
(5) groove body bottom sets pressure blank pipe, there is stirring action, can also impurities at bottom be made to turn over, influence cleanliness;
(6) without trough rim exhausting, hot gas spilling will affect environmental protection;
(7) energy consumption is higher, wastes the energy, increases production run cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of fuel assembly cleaning devices.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of fuel assembly cleaning device, including set gradually rinse bath, first time potcher, second of potcher, Dry slot and final inspection slot include external circulation stirring filtering and heating in rinse bath, first time potcher and second of potcher System, external circulation stirring filtering and heating system include the blue formula filter set gradually in slot extracorporeal circuit, circulating pump, pocket type mistake Filter and electric heater, the stirring pipeline and venturi nozzles that the interior setting of slot is connected to exterior line.
Further, slot spray tube is respectively set out above rinse bath, first time potcher and second of potcher.
Further, the spray tube ejection deionized water of rinse bath, first time potcher, spends when going out slot to fuel assembly Ionized water is sprayed, and the spray tube of second of potcher is sprayed when compressed air goes out slot to component and blown with compressed air Water.
Further, rinse bath, first time potcher, second of potcher top are provided with trough rim exhausting system, trough rim The induced draft fans of exhausting system are arranged in melt pit, are discharged to outdoor by air-exhausting duct.
Further, the groove body of rinse bath, first time potcher, second of potcher, three stations is respectively by stainless steel Material production, groove body peripheral hardware rock wool or alumina silicate fibre insulating layer.
Further, the groove body of rinse bath, first time potcher, second of potcher, three stations is equipped with thermocouple pair Tank liquor temperature is detected, and is respectively equipped with two position meter on three groove bodies, is controlled liquid level.
Further, the exterior line on second of potcher is detected equipped with online conductivity, clean to pure water in slot Degree is monitored.
Further, stirring pipeline includes the pipeline being distributed along the short transverse homogeneous vertical of groove body, is set on this pipeline Venturi nozzles are set, the emission direction of venturi nozzles and the inner wall of groove body are tangent.
Further, tank liquor heating method is electric heating, and temperature controller uses the digitlization zero passage with PID regulatory function Power regulating eqiupment.
Further, compressed air line is provided in dry slot 5 fuel assembly is carried out to blow water.
The utility model has the beneficial effects that:
The utility model realizes the new method of fuel assembly cleaning, is needed with adapting to the washing and cleaning operation of elongate articles class workpiece It asks, solves the super larges such as China's nuclear fuel rod component, petroleum rod piece, hydraulic cylinder part, ultra-fine cleaning equipment for work-piece, technique is backward, Energy consumption wastes serious problem, and cleaning temperature setting adjustment is flexibly, easy to use.Tank liquor, which stirs evenly, may filter that, improve product Cleaning degree considerably reduces the problem of overlength, ultra-fine workpiece in washing and cleaning operation, alleviates the labor intensity of personnel, Improve safety;The equipment is applicable not only to fuel assembly cleaning device, can equally be well applied to other kinds of cleaning device Deng, and can detect automatically and temperature diagnosis by the way that liquid level is arranged in groove body, automatic control function is added, so that singly A tank liquor is able to satisfy the requirement of cleaning process, further increases the quality requirements of cleaning workpiece, is good for the environment, reduction is set Standby investment.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be preferably described in detail, in which:
Fig. 1 is the longitudinal sectional view of the utility model embodiment;
Fig. 2 is the top view of the utility model embodiment.
Appended drawing reference:
1, rinse bath;2, venturi nozzles;3, first time potcher;4, second of potcher;5, dry slot;6, final inspection Slot;7, electric heater;8, bag filter;9, circulating pump;10, trough rim exhausting system;11, air-exhausting duct;12, induced draft fans;13, Spray tube;14, thermocouple;15, blue formula filter;16, two position meter;17, online conductivity detection.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and Feature in embodiment can be combined with each other.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this The limitation of utility model;In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification or contracting It is small, do not represent the size of actual product;It will be understood by those skilled in the art that certain known features and its explanation may in attached drawing Omission will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;It is practical at this In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as limiting the present invention, for For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, 2, a kind of fuel assembly cleaning device, including set gradually rinse bath 1, first time potcher 3, Second of potcher 4, dry slot 5 and final inspection slot 6, by straddle type, mono beam overhead crane is conveyed from groove body fuel assembly at a slow speed Top hangs in carry out sequence washing and cleaning operation in slot.
Wherein rinse bath 1, first time potcher 3 and second of potcher 4 include external circulation stirring filtering and heating system, outside Circulation stirring filtering and heating system can make tank liquor be heated to 60~90 DEG C of cleaning temperature of setting.External circulation stirring filtering and heating system Including blue formula filter 15, circulating pump 9, bag filter 8 and the electric heater 7 set gradually in slot extracorporeal circuit, set in slot Stirring pipeline and venturi nozzles 2 are set, stirring pipeline includes the pipeline being distributed along the short transverse homogeneous vertical of groove body, this pipeline Upper setting venturi nozzles 2, the emission direction of venturi nozzles 2 and the inner wall of groove body are tangent, the liquid edge that such venturi nozzles 2 spray Groove body spiral inner wall rotation realize agitating function.Liquid in slot sequentially enters blue formula filter 15 from stirring pipeline, follows Stirring pipeline is returned to after ring pump 9, bag filter 8 and electric heater 7, is then sprayed from venturi nozzles 2.Bag filter 8 is right Liquid is effectively filtered in groove body.Guarantee the cleanliness of tank liquid.
Venturi nozzles 2 guarantee that the tank liquor in slot or more temperature is uniform for the uniform stirring in slot.Tank liquor heating method is Electric heating, temperature controller use the digitlization zero-crossing power adjustment device with PID regulatory function, and control precision is high, and temperature overshot is small, display Intuitively, easy to adjust, it is energy-saving.
Slot spray tube 13, rinse bath is respectively set out in the top of rinse bath 1, first time potcher 3 and second of potcher 4 1, it is sprayed when first time potcher 3 goes out slot to fuel assembly with deionized water, second of potcher 4 is used when going out slot to component Compressed air carries out blowing water.
Trough rim exhausting system 10 is arranged above second of potcher 4 for rinse bath 1, first time potcher 3, prevents outside hot gas It overflows.The induced draft fans 12 of trough rim exhausting system 10 are arranged in melt pit, are discharged to outdoor by air-exhausting duct 11, reduce noise pollution.Clearly Washing trough 1, first time potcher 3, second of potcher, 4 three stations groove body made by stainless steel material, groove body peripheral hardware rock Cotton or alumina silicate fibre insulating layer prevent scattering and disappearing for the liquid heat for having temperature in groove body, and groove body is arranged according to requiring to set water inlet The mouth of a river, overflow port guarantee normal wash requirement.
Rinse bath 1, first time potcher 3, second of potcher, 4 three stations groove body top set thermocouple 14 to tank liquor Temperature is detected, and three groove bodies are all provided with two position meter 16, is controlled liquid level, the exterior line of second of potcher 4 It is equipped with online conductivity detection 17, online conductivity detection 17 is arranged between circulating pump 9 and bag filter 8, online electricity Conductance detects pure water cleanliness in 17 pairs of slots and is monitored, and guarantees the quality of cleaning assembly.
Setting compressed air line blow water to component in dry slot 5, and ontology has been after second rinses for component 60~90 DEG C are maintained at, component can be made to remove moisture by dry slot 5, keep drying, be conducive to cool down.Final inspection slot 6 is adopted Lighting method by hand carefully blows out the ponding in component with hydraulic giant is blown, achievees the purpose that finally clean and inspection, slot Body is mainly used to collection and water receiving.
Rinse bath 1 is for storing cleaning liquid, and cleaning solution is weak lye, in order to remove the greasy dirt on fuel assembly surface, clearly Clean surface impurity.The level sensing of rinse bath 1 can automatically turn on solenoid valve in low liquid level and carry out liquid feeding, in high liquid level It closes solenoid valve and stops liquid feeding.Liquid in first time potcher 3 and second of potcher 4 is deionization pure water.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program Cover in the scope of the claims of the utility model.

Claims (10)

1. a kind of fuel assembly cleaning device, it is characterised in that: including rinse bath (1), the first time potcher set gradually (3), second of potcher (4), dry slot (5) and final inspection slot (6), rinse bath (1), first time potcher (3) and second It include external circulation stirring filtering and heating system in secondary potcher (4), external circulation stirring filtering and heating system includes slot extracorporeal circuit In the blue formula filter (15), circulating pump (9), bag filter (8) and the electric heater (7) that set gradually, in slot setting with it is outer The stirring pipeline and venturi nozzles (2) of portion's pipeline connection.
2. fuel assembly cleaning device according to claim 1, it is characterised in that: rinse bath (1), first time potcher (3) and above second of potcher (4) slot spray tube (13) are respectively set out.
3. fuel assembly cleaning device according to claim 2, it is characterised in that: rinse bath (1), first time potcher (3) spray tube (13) sprays deionized water, is sprayed when going out slot to fuel assembly with deionized water, second of potcher (4) spray tube (13), which sprays when compressed air goes out slot to component, to be carried out blowing water with compressed air.
4. fuel assembly cleaning device according to claim 1, it is characterised in that: rinse bath (1), first time potcher (3), it is provided with trough rim exhausting system (10) above second of potcher (4), the induced draft fans (12) of trough rim exhausting system (10) It is arranged in melt pit, outdoor is discharged to by air-exhausting duct (11).
5. fuel assembly cleaning device according to claim 1, it is characterised in that: rinse bath (1), first time potcher (3), the groove body of (4) three stations of second of potcher is made by stainless steel material respectively, groove body peripheral hardware rock wool or aluminium silicate fiber Tie up insulating layer.
6. fuel assembly cleaning device according to claim 1, it is characterised in that: rinse bath (1), first time potcher (3), the groove body of (4) three stations of second of potcher is equipped with thermocouple (14) and detects to tank liquor temperature, three groove bodies On be respectively equipped with two position meter (16), liquid level is controlled.
7. fuel assembly cleaning device according to claim 1, it is characterised in that: the outside on second of potcher (4) Pipeline is equipped with online conductivity detection (17), is monitored to pure water cleanliness in slot.
8. fuel assembly cleaning device according to claim 1, it is characterised in that: stirring pipeline includes the height along groove body The pipeline of direction homogeneous vertical distribution is spent, venturi nozzles (2) are set on this pipeline, the emission direction and groove body of venturi nozzles (2) Inner wall it is tangent.
9. fuel assembly cleaning device according to claim 1, it is characterised in that: tank liquor heating method is electric heating, Temperature controller uses the digitlization zero-crossing power adjustment device with PID regulatory function.
10. fuel assembly cleaning device according to claim 1, it is characterised in that: it is empty to be provided with compression in dry slot (5) Air pipe carries out fuel assembly to blow water.
CN201920473054.8U 2019-04-09 2019-04-09 A kind of fuel assembly cleaning device Active CN209715878U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920473054.8U CN209715878U (en) 2019-04-09 2019-04-09 A kind of fuel assembly cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920473054.8U CN209715878U (en) 2019-04-09 2019-04-09 A kind of fuel assembly cleaning device

Publications (1)

Publication Number Publication Date
CN209715878U true CN209715878U (en) 2019-12-03

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Application Number Title Priority Date Filing Date
CN201920473054.8U Active CN209715878U (en) 2019-04-09 2019-04-09 A kind of fuel assembly cleaning device

Country Status (1)

Country Link
CN (1) CN209715878U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889448A (en) * 2020-08-10 2020-11-06 中机中联工程有限公司 Self-adaptive uniform constant temperature control method for elongated piece cleaning production line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889448A (en) * 2020-08-10 2020-11-06 中机中联工程有限公司 Self-adaptive uniform constant temperature control method for elongated piece cleaning production line

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