CN204987331U - Dismantled and assembled, low nuclear level cooling unit that vibrates - Google Patents
Dismantled and assembled, low nuclear level cooling unit that vibrates Download PDFInfo
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- CN204987331U CN204987331U CN201520683271.1U CN201520683271U CN204987331U CN 204987331 U CN204987331 U CN 204987331U CN 201520683271 U CN201520683271 U CN 201520683271U CN 204987331 U CN204987331 U CN 204987331U
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Abstract
The utility model discloses a dismantled and assembled, low nuclear level cooling unit that vibrates, including an unit gallows, be equipped with the cooling unit in the unit gallows, the cooling unit is including the unit box that is equipped with air intake and air outlet, install nuclear grade cooler, nuclear level axial fan, the flexible coupling that has the X -ray irradiation of resistant gamma ability and reducing pipe in proper order from the air current flow direction of air intake to air outlet in the unit box, be equipped with condensate water pan below the nuclear level cooler, the unit box includes quick -witted framing and box panel, and an unit gallows has adopted the H shaped steel welding more superior than channel -section steel mechanical properties shaping, and an unit gallows includes that it hangs the sign indicating number and prop up a gallows support to prop up a gallows with the embedded plate welded, gallows hangs the sign indicating number to be passed through bolted connection with a gallows support and becomes one wholly, the utility model discloses following beneficial effect has: be convenient for install, dismantle, safe and reliable, it is convenient to maintain, and the thermal insulation performance that just insulates against heat is good.
Description
Technical field
The utility model relates to the air-conditioning technique field for generation Ⅲ nuclear power station nuclear island ventilation and air conditioning system, is specifically related to a kind of core level cold wind unit of dismantled and assembled, low vibration.
Background technology
At present, core level cold wind unit is applied in nuclear island of nuclear power station major part core peace factory building.The cold wind unit of existing CPR1000 bis-generation improvement heap-type, only be applied in nuclear island of nuclear power station containment building continuous ventilating (EVR) system and nuclear island CRDM continuous ventilating (RRM) system, and be the design of non-core level, nuclear safety function can not be performed, as being used in generation Ⅲ nuclear power station, potential safety hazard can be brought to the safety of nuclear power station, therefore can not use in generation Ⅲ nuclear power station (EPR) heap-type.Because generation Ⅲ nuclear power station (EPR) heap-type is the requirement design by ground acceleration 0.25g and 4% damping ratio, and require that equipment carries out antidetonation platform on complete machine mechanical analysis and supporting active component blower fan by maximum floor envelope spectrum and carries out shock test and identify.The convenience etc. of the vibration requirement of generation Ⅲ nuclear power station cold wind unit, thermal and insulating performance, sealing property, anti-seismic performance, nuclear safety function, installation and maintenance is proposed higher designing requirement by Technical specification.
Utility model content
Technical problem to be solved in the utility model is to provide that one is convenient to install, dismounting, reliably, more safer, is convenient to safeguard, and the core level cold wind unit of good dismantled and assembled, the low vibration of heat preservation and insulation.
The technical solution realizing the utility model object is: a kind of dismantled and assembled, the core level cold wind unit of low vibration, comprise unit suspension and support, cold wind unit is provided with in unit suspension and support, described cold wind unit comprises the unit box body being provided with air inlet and air outlet, air current flow direction from air inlet to air outlet in described unit box body is provided with core level cooler successively, core level axial flow blower, there is being flexible coupling and reducer pipe of gamma ray-resistant γ irradiation ability, condense water disk is provided with below core level cooler, described unit box body comprises unit framework and cabinet panel, it is characterized in that: unit suspension and support have employed the H profile steel welding forming more superior than channel-section steel mechanical property, unit suspension and support comprises the suspension and support welded with embedded board and hangs code and suspension and support bearing, described suspension and support hangs code and suspension and support bearing is bolted in aggregates.
Described cabinet panel comprises outer panels, wainscot, flame retardant polyurethane thermal insulation layer and cold-prevention bridge fluid sealant, the surrounding of described outer panels is provided with bending edges and second time bending edges for the first time, gusset plate is fixed with inside described first time bending edges, the surrounding bending of described wainscot, described cold-prevention bridge fluid sealant is arranged on the gap between outer panels and wainscot.
Gap between described outer panels and wainscot is at least 3mm.
The underframe of described unit framework is fixedly connected with by being with the positioning screw of positioning step with suspension and support bearing, and described positioning screw is fixedly welded on underframe.
Described core level axial flow blower adopts the core level axial flow blower of Silence Process.
The steel-wire isolator with shock resistance is arranged between the underframe of described core level axial flow blower and the ramp bracket of unit framework, with the face of the underframe of steel-wire isolator junction, for the face paralleled with the inclined-plane in ramp bracket, inclined-plane in described ramp bracket and the angle of horizontal direction are 135 °, and the connection of described steel-wire isolator and underframe, ramp bracket is bolted.
Described unit box body is provided with access door.
In described unit suspension and support and cold wind unit, all carbon steel material parts all adopt the priming paint and finish paint with gamma ray-resistant γ irradiation ability as overcoat.
The core level cold wind unit of a kind of dismantled and assembled, low vibration of the utility model has following beneficial effect:
1) unit suspension and support have employed the H profile steel welding forming more superior than channel-section steel mechanical property, and column takes the measure of reinforcing, and be heavily loaded structural design, even running under various operating mode after the lifting of guarantee unit, also strengthen unit overall construction intensity, rigidity and anti-seismic performance, reach nuclear safe level requirement and perform nuclear safety function under accident conditions.
2) suspension and support hangs code and suspension and support bearing employing dismountable structure, is convenient to the installation of unit, dismounting, maintenance and replacing.
3) cabinet panel is cold-prevention bridge structural design, and the spaced apart 3mm of outer panels and wainscot, as cold-prevention bridge, ensures that unit box body also produces without condensation water and drips to the process equipment of the below bottom unit under the inside and outside large temperature difference, high humility operating mode.Outer panels and wainscot all adopt bending structure, increase the intensity of panel.
4) underframe of described unit framework is fixedly connected with by being with the positioning screw of positioning step with suspension and support bearing, described positioning screw and welding of underframe are fixed, ensure that the cabinet panel between underframe and suspension and support bearing can not be subject to crushing and distortion, the sealing gasket between cabinet panel and framework is also in optimal seal and compressive state.
5) described core level axial flow blower adopts the core level axial flow blower of Silence Process.When ventilating system pipe network on-way resistance and the outer static pressure of unit machine exceed the deviation in allowed band, can on the spot by regulating angle of fan leaves, make aerodynamic quality and system reach even running, solve Welding Structure blade and cannot regulate the defect that can not reach with system optimum Match.
6) underframe of core level axial flow blower is furnished with the steel-wire isolator with shock resistance, steel-wire isolator installation direction and horizontal direction are 45 ° and are in tilted layout, and effectively can weaken the swing in horizontal fan direction, reduce the installing space of the vibration of unit and saving short transverse.
7) all carbon steel manufacture partss of unit all have employed there is gamma ray-resistant γ irradiation ability priming paint and finish paint as overcoat, ensure 5 × 10
5under the radiation parameter of GY intergal dose, in the phase in enamelled coating longevity, carbon-steel parts is effectively protected.
8) the core level cold wind unit of this dismantled and assembled, low vibration entrusts " air-conditioning equipment Quality Supervision and Inspection Center of country of Chinese Research Institute for Building Sciences " to carry out full Performance Detection, properties meets or is better than the requirement of Technical specification, as unit peak swing only has 13 μm (GBs 15 μm), block surfaces is without under condensation water Shang, and box deformation rate is low to moderate 0.04mm/s (GB 4mm/s) in 1000Pa under hydrostatic pressure condition.
9) the design basis acceleration of core level cold wind unit by three generations (EPR) nuclear power station factory site 0.25g of this dismantled and assembled, low vibration and the requirement of 4% most high damping ratio, seismic Calculation (mechanical analysis) is done to complete machine, the structural design demonstrating the core level cold wind unit of dismantled and assembled, low vibration reaches shockproof requirements, ensures can perform its nuclear safety function under various working condition.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the utility model is elaborated;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross-sectional view after the utility model installation of ceiling;
Fig. 3 is the enlarged drawing at I place in Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram that core level axial flow blower of the present utility model is connected with unit framework;
Fig. 5 is the structure for amplifying schematic diagram of cabinet panel of the present utility model.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 5, a kind of dismantled and assembled, the core level cold wind unit of low vibration, comprise unit suspension and support 1, cold wind unit 2 is provided with in unit suspension and support 1, described cold wind unit 2 comprises the unit box body 2.1 being provided with air inlet and air outlet, air current flow direction from air inlet to air outlet in described unit box body 2.1 is provided with core level cooler 2.2 successively, core level axial flow blower 2.3, there is 2.4 and the reducer pipe 2.5 of being flexible coupling of gamma ray-resistant irradiation ability, condense water disk 2.6 is provided with below core level cooler 2.2, described unit box body 2.1 comprises unit framework 2.7 and cabinet panel 2.8.Unit suspension and support 1 have employed the H profile steel welding forming more superior than channel-section steel mechanical property, unit suspension and support 1 comprises the suspension and support welded with embedded board and hangs code 1.1 and suspension and support bearing 1.2, described suspension and support hangs code 1.1 and suspension and support bearing 1.2 is bolted in aggregates, column 1.21 weld of described suspension and support bearing is provided with stiffener 1.22, because column takes the measure of reinforcing, and be heavily loaded structural design, even running under various operating mode after the lifting of guarantee unit, also unit overall construction intensity is strengthened, rigidity and anti-seismic performance, reach nuclear safe level requirement and perform nuclear safety function under accident conditions.
Described cabinet panel 2.8 comprises outer panels 2.81, wainscot 2.82, flame retardant polyurethane thermal insulation layer 2.83 and cold-prevention bridge fluid sealant 2.84, described outer panels 2.81 surrounding is provided with bending edges 2.811 and second time bending edges 2.812 for the first time, gusset plate 2.85 is fixed with inside described first time bending edges 2.811, surrounding 90 ° of bendings of described wainscot 2.82, described cold-prevention bridge fluid sealant 2.84 is arranged on the gap between outer panels 2.81 and wainscot 2.82.Gap a between described outer panels 2.81 and wainscot 2.82 is at least 3mm.
The underframe 2.71 of described unit framework 2.7 passes through to be with the positioning screw 3 of positioning step 3.1 to be fixedly connected with suspension and support bearing 1.2, described positioning screw 3 is fixedly welded on underframe, ensure that the cabinet panel 2.8 between underframe 2.71 and suspension and support bearing 1.2 can not be subject to crushing and distortion, the sealing gasket between cabinet panel 2.8 and unit framework 2.7 is also in optimal seal and compressive state.The screw rod extension that described positioning screw 3 stretches out suspension and support bearing is hidden in suspension and support bearing 1.2 inside groove side, and is connected with nut, adds the good looking appearance of unit, ensure that the design for aesthetic that casing part does not have bolt head and nut and exposes.
Described core level axial flow blower 2.3 adopts the core level axial flow blower of Silence Process.
The steel-wire isolator 4 with shock resistance is arranged between the underframe 2.31 of described core level axial flow blower 2.3 and the ramp bracket 2.72 of unit framework 2.7, with the face of the underframe 2.31 of steel-wire isolator 4 junction, for the face paralleled with the inclined-plane in ramp bracket 2.72, inclined-plane in described ramp bracket 2.72 and the angle b of horizontal direction are 135 °, described steel-wire isolator 4 is bolted with the connection of underframe 2.31, ramp bracket 2.72, and namely steel-wire isolator installation direction and horizontal direction are 45 ° and are in tilted layout.
Described unit box body 2.1 is provided with access door 2.9; Described cabinet panel 2.8 adopts dismountable structure to fit together with unit framework 2.7.Dismounting between the overhaul time being convenient to blower fan, cooler and maintenance repair, effectively realize rapid-maintenance and reduce maintenance personal inhaling radiation and receiving dosage.
In described unit suspension and support 1 and cold wind unit 2, all carbon steel material parts all adopt the priming paint and finish paint with gamma ray-resistant γ irradiation ability as overcoat.
Unit framework 2.7 adopt the unequal angle of thickening type and steel plate cold moudling structural member, through preferred arrangement, and in local comparatively weakness carried out Design of Reinforcement, adopt welding procedure to form the good box frame of a rigidity.Can ensure that the core level cooler 2.2 in unit box body, core level axial flow blower 2.3 are more firmly fixed and run stably, also ensure that it has enough anti-seismic performances and nuclear safe level function.
Claims (8)
1. one kind dismantled and assembled, the core level cold wind unit of low vibration, comprise unit suspension and support, cold wind unit is provided with in unit suspension and support, described cold wind unit comprises the unit box body being provided with air inlet and air outlet, air current flow direction from air inlet to air outlet in described unit box body is provided with core level cooler successively, core level axial flow blower, there is being flexible coupling and reducer pipe of gamma ray-resistant irradiation ability, condense water disk is provided with below core level cooler, described unit box body comprises unit framework and cabinet panel, it is characterized in that: unit suspension and support have employed the H profile steel welding forming more superior than channel-section steel mechanical property, unit suspension and support comprises the suspension and support welded with embedded board and hangs code and suspension and support bearing, described suspension and support hangs code and suspension and support bearing is bolted in aggregates.
2. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, it is characterized in that: described cabinet panel comprises outer panels, wainscot, flame retardant polyurethane thermal insulation layer and cold-prevention bridge fluid sealant, the surrounding of described outer panels is provided with bending edges and second time bending edges for the first time, gusset plate is fixed with inside described first time bending edges, the surrounding bending of described wainscot, described cold-prevention bridge fluid sealant is arranged on the gap between outer panels and wainscot.
3. the core level cold wind unit of dismantled and assembled, low vibration according to claim 2, is characterized in that: the gap between described outer panels and wainscot is at least 3mm.
4. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, is characterized in that: the underframe of described unit framework is fixedly connected with by being with the positioning screw of positioning step with suspension and support bearing, and described positioning screw is fixedly welded on underframe.
5. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, is characterized in that: described core level axial flow blower adopts the core level axial flow blower of Silence Process.
6. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, it is characterized in that: between the underframe of described core level axial flow blower and the ramp bracket of unit framework, arrange the steel-wire isolator with shock resistance, with the face of the underframe of steel-wire isolator junction, for the face paralleled with the inclined-plane in ramp bracket, inclined-plane in described ramp bracket and the angle of horizontal direction are 135 °, and the connection of described steel-wire isolator and underframe, ramp bracket is bolted.
7. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, is characterized in that: described unit box body is provided with access door.
8. the core level cold wind unit of dismantled and assembled, low vibration according to claim 1, is characterized in that: in described unit suspension and support and cold wind unit, all carbon steel material parts all adopt the priming paint and finish paint with gamma ray-resistant γ irradiation ability as overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683271.1U CN204987331U (en) | 2015-09-02 | 2015-09-02 | Dismantled and assembled, low nuclear level cooling unit that vibrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683271.1U CN204987331U (en) | 2015-09-02 | 2015-09-02 | Dismantled and assembled, low nuclear level cooling unit that vibrates |
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| CN204987331U true CN204987331U (en) | 2016-01-20 |
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| CN201520683271.1U Active CN204987331U (en) | 2015-09-02 | 2015-09-02 | Dismantled and assembled, low nuclear level cooling unit that vibrates |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170788U1 (en) * | 2016-10-14 | 2017-05-11 | Закрытое акционерное общество Научно-производственное внедренческое предприятие "Турбокон" | AIR COOLING UNIT |
| CN109681996A (en) * | 2019-01-24 | 2019-04-26 | 南方风机股份有限公司 | A kind of nuclear leve cold wind unit |
| RU192173U1 (en) * | 2019-02-01 | 2019-09-05 | Акционерное Общество "Борисоглебский Ордена Трудового Красного Знамени Завод Химического Машиностроения" (Ао Борхиммаш) | COMPRESSOR COMBINED TYPE AIR COOLING UNIT |
| CN111854009A (en) * | 2020-07-03 | 2020-10-30 | 南方风机股份有限公司 | Nuclear-grade anti-seismic direct-expansion air conditioning unit for third-generation nuclear power station diesel engine plant |
| RU203768U1 (en) * | 2020-12-15 | 2021-04-20 | Антон Юрьевич Дымов | Heat-insulated casing for ventilation unit |
-
2015
- 2015-09-02 CN CN201520683271.1U patent/CN204987331U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170788U1 (en) * | 2016-10-14 | 2017-05-11 | Закрытое акционерное общество Научно-производственное внедренческое предприятие "Турбокон" | AIR COOLING UNIT |
| CN109681996A (en) * | 2019-01-24 | 2019-04-26 | 南方风机股份有限公司 | A kind of nuclear leve cold wind unit |
| RU192173U1 (en) * | 2019-02-01 | 2019-09-05 | Акционерное Общество "Борисоглебский Ордена Трудового Красного Знамени Завод Химического Машиностроения" (Ао Борхиммаш) | COMPRESSOR COMBINED TYPE AIR COOLING UNIT |
| CN111854009A (en) * | 2020-07-03 | 2020-10-30 | 南方风机股份有限公司 | Nuclear-grade anti-seismic direct-expansion air conditioning unit for third-generation nuclear power station diesel engine plant |
| CN111854009B (en) * | 2020-07-03 | 2024-03-19 | 南方风机股份有限公司 | Anti-seismic direct expansion air conditioning unit for plant building level of diesel engine of third-generation nuclear power station |
| RU203768U1 (en) * | 2020-12-15 | 2021-04-20 | Антон Юрьевич Дымов | Heat-insulated casing for ventilation unit |
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