CN102903411A - Liquid waste treatment device - Google Patents
Liquid waste treatment device Download PDFInfo
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- CN102903411A CN102903411A CN2011102200757A CN201110220075A CN102903411A CN 102903411 A CN102903411 A CN 102903411A CN 2011102200757 A CN2011102200757 A CN 2011102200757A CN 201110220075 A CN201110220075 A CN 201110220075A CN 102903411 A CN102903411 A CN 102903411A
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- infiltration water
- liquid waste
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- type film
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Abstract
The invention provides a liquid waste treatment device. By the use of the liquid waste treatment device, capacity of treating radioactive liquid waste is increased, simplicity in replacement of soaking membranes is improved and quantity of radiation to operators is decreased when the soaking members for treatment equipment of nuclear station radioactive liquid waste are used in a solid-liquid separating tank serving as the liquid waste treatment device. The liquid waste treatment device comprises a water tank allowing for inflow of liquid waste and outflow of filtered infiltration water, a liquid waste inflow part allowing for inflow of the liquid waste into the water tank, a plurality of soaking members, an infiltration water intake part, an air supply part, and a porous support board, wherein the soaking members are distributed in circles in the water tank and are mutually isolated to filter foreign matters included in the liquid waste which flows in through the liquid waste inflow part, the infiltration water intake part is used for taking in infiltration water of the liquid waste from the soaking membranes and supplying the infiltration water out of the water tank, the air supply part is used for supplying compressed air to the soaking membranes to prevent the foreign matters from adhering to the surface of the soaking membranes, and the porous support board is used for supporting the bottoms of the soaking membranes and is provided with a plurality of pores on the surface.
Description
Technical field
The present invention relates to a kind of liquid waste treating apparatus, relate in particular to a kind of magnitude setting that is increased in immersion type hollow fiber membrane (hereinafter to be referred as " immersion type film ") set in the solid-liquid separation tank of nuclear power station liquid radiation castoff processing system pre-processing device, to increase the processing capacity, and when replacing employed immersion type film, can improve the convenience of operation, reduce the radiation risk of operator.
Background technology
In the pre-processing device of part nuclear power station liquid radiation castoff processing system (Liquid Radwaste System), use the immersion type film and move.
These immersion type films are arranged in the solid-liquid separation tank, and the radioactive liquid waste that flows into is carried out single treatment.
Described immersion type film has removes the function that causes absurd creature matter, organic and inorganic suspended solid that is present in the radioactive liquid waste.
The treatment process design of immersion type film becomes: utilize centrifugal pump, with the vacuum at infiltration water kapillary formation proper range, thereby suck infiltration water, in order to suppress the hole plug phenomenon of immersion type film, by the aerator continuous charge of immersion type film bottom, and can periodically carry out contrary running.
But, when existing liquid waste treating apparatus is arranged the immersion type film in solid-liquid separation tank, adopt the immersion type film press the mode that yi word pattern is arranged, so have the problem that the magnitude setting of immersion type film is restricted.
And the operational mode of existing liquid waste treating apparatus when replacing employed immersion type film is as follows.Namely, open the upper lid of solid-liquid separation tank, operator enters tank inside, in the situation of the immersion type film that is concentrated near radioactive particle, then the connector of each suction inlet of decomposition immersion type film and the air inflow aperture of aerator removes used immersion type film by tank top.But when adopting the substitute mode of such immersion type film, the replacement of immersion type film is not only not easy, and operator is directly exposed under the radioactive ray, therefore has too much by the danger of radiation.
And existing liquid waste treating apparatus forms following structure in the mode that the immersion type film is fixed in the solid-liquid separation tank.That is, settle the immersion type film at the fixed porous support plate, and special stationary installation is set.But this moment, the height of the immersion type film that can arrange was defined, and therefore the immersion type film of multiple height can't be set, and consumed many times during loading and unloading immersion type film, had the not easy problem of operation.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is to provide a kind of liquid waste treating apparatus, this liquid waste treating apparatus is in the immersion type film that will be applied to the nuclear power station treating apparatus for radioactive waste liquid is arranged on as the solid-liquid separation tank of liquid waste treating apparatus the time, not only can increase the processing capacity of radioactive liquid waste and improve the immersion type film the replacement operation simplicity and reduce radiation amount to operator, and except radioactive liquid waste, process harmful/noxious material can being common to.
To achieve these goals, liquid waste treating apparatus provided by the invention comprises: tank flows into waste liquid, and discharges the infiltration water that filters; Waste liquid inflow section is towards the inner waste liquid that flows into of described tank; A plurality of immersion type films, arranged apart inner at described tank along annular, to filter the foreign matter that is comprised in the waste liquid that flows into by described waste liquid inflow section; The infiltration water sucting sucks the infiltration water through the waste liquid of described immersion type film, to supply with infiltration water to described tank outside; Air supply section supplies with pressurized air to described immersion type film, to prevent the surperficial set foreign matter of described immersion type film; Porous support plate supports the bottom of described immersion type film, and the surface is upper simultaneously forms a plurality of holes.
At this moment, described infiltration water sucting comprises: the top infiltration water pipeline that extends to the upside of described tank from the outside of described tank; Be connected in described top infiltration water pipeline, to extend to the infiltration water suction line of described tank inside; Extend with radiation shape from the lower end of described infiltration water suction line, suck kapillary with the annular infiltration water that is circular layout at the upside of described immersion type film.Described air supply section comprises: supply with compressed-air actuated upper air pipeline from the outside of described tank to the upside of described tank; Be connected in described upper air pipeline, round the outside surface of described infiltration water suction line, extend to the air supply pipeline of described tank inside; Extend with radiation shape from the lower end of described air supply pipeline, supply with kapillary to be circular layout at the annular air of the upside of described immersion type film.
And, sucking bottom surface capillaceous at described annular infiltration water, the film gang socket of the layout corresponding with the quantity of described a plurality of immersion type films is connected with the suction ozzle of the upper end that is arranged in described immersion type film by rapid-acting coupling.
And described annular air is supplied with kapillary and is connected to air diffuser by single connector that touches, and wherein air diffuser is connected to the air inflow aperture of described immersion type film bottom.
And, described infiltration water suction line be connected porous support plate and connect by rotating shaft, described infiltration water suction line rotatably connects by the driving of motor.
And, on the upper end of the described tank that described infiltration water suction line and air supply pipeline connect in conjunction with the closure fange dish, to be used for keeping impermeability.
And, connecting portion between connecting portion between described top infiltration water pipeline and the described infiltration water suction line, described upper air pipeline and the described air supply pipeline and the connecting portion between described infiltration water suction line and the described rotating shaft by mounting flange, carry out combination respectively separably.
And the connecting portion between described rotating shaft and the described porous support plate connect threadably, thereby the position of described porous support plate can change up and down by screw rod.
And, the spindle supporting component of the bottom surface of the bottom of described rotating shaft by being fixed on described tank, rotatably supported, a side of described tank inside possesses the retainer of the rotation of the described porous support plate of restriction.
And, possess hatch door to be opened/closed in a side of described tank, to be used for picking and placeing of described immersion type film.
And a side that possesses the described tank of described hatch door also possesses for the lead shield plate that cuts off radioactive ray.
According to liquid waste treating apparatus of the present invention, the immersion type film is arranged to annular, replacing the immersion type film ratio that is arranged on solid-liquid separation tank inside when not only rotating is easier to, can also increase the magnitude setting of the immersion type film of solid-liquid separation tank inner space, therefore have the effect of the processing capacity that increases radioactive liquid waste.
And, according to the present invention, when arranging hatch door, a side of tank arranges the lead shield body that is used for the shielding radioactive ray, thereby can supply with the while capillaceous at annular infiltration water suction kapillary and the annular air of the immersion type film that is rotatably connected, side in the tank outside is loaded and unloaded the immersion type film one by one, therefore have the simplicity of the replacement operation that can improve the immersion type film, and reduce the effect from the radiation risk of radioactive ray.
And, according to the present invention, when fixing immersion type film, import up and down adjustment type porous support plate, the immersion type film of multiple height can be set thus, and by adopting single connected mode of touching, have the effect that can promptly load and unload the immersion type film.
And the present invention can be common to the device of processing harmful/noxious material except the processing that is applied to radioactive liquid waste.
Description of drawings
Fig. 1 is the side view that the immersion type film is arranged to the liquid waste treating apparatus of annular provided by the invention;
Fig. 2 is the vertical view that the immersion type film is arranged to the liquid waste treating apparatus of annular provided by the invention;
Fig. 3 is the concrete figure that the immersion type film is arranged to the side hatch reveal of annular liquid waste treating apparatus provided by the invention;
Fig. 4 illustrates the constitutional diagram that the immersion type film is arranged to the form that the side hatch door of liquid waste treating apparatus of annular opens provided by the invention.
Main symbol description: 100 is solid-liquid separation tank, and 101 is tank, and 102 is closure fange, 104 is waste liquid inflow section, and 105 is discharge pipe line, and 110 is top infiltration water pipeline, 111,115,121 is joint flange, and 112 is the infiltration water suction line, and 114 is that annular infiltration water sucks kapillary, 116 is film gang socket, and 118 are rapid-acting coupling, and 120 is the upper air pipeline, 122 is the air supply pipeline, 124 are annular air supply kapillary, and 125 is single connector that touches, and 126 is aerator, 130 is the immersion type film, 131 for sucking ozzle, and 132 is air inflow aperture, and 140 is porous support plate, 150 are rotating shaft, 155 is screw rod, and 160 is spindle supporting component, and 170 is hatch door, 172 is handle, 180 are the lead shield body, and 190 is motor, and 192 is chain.
Embodiment
Below, describe formation and effect for the preferred embodiment of the present invention in detail with reference to accompanying drawing.
Fig. 1 is the side view that the immersion type film is arranged to the liquid waste treating apparatus of annular provided by the invention.Fig. 2 is the vertical view that the immersion type film is arranged to the liquid waste treating apparatus of annular provided by the invention.
The simplicity of the replacement operation that the characteristics of liquid waste treating apparatus of the present invention comprise the liquid waste processing capacity that increases at solid-liquid separation tank 100, improve immersion type film 130 and connection and the fixed form of improving immersion type film 130.
In order to reach such purpose, the integral body of the solid-liquid separation tank 100 of wastewater treatment equipment of the present invention constitutes and comprises: effluent discharge flows into rear filtered infiltration water, and discharges the tank 101 of concentrated waste liquid foreign matter by the discharge pipe line 105 of lower end; Make waste liquid flow into the waste liquid inflow section 104 of described tank 101 inside; Internal placement at described tank 101 circularizes and is spaced from each other, and is contained in a plurality of immersion type films 130 of the foreign matter of waste liquid with bag filter; Suck by the infiltration water in the waste liquid of described immersion type film 130, and be supplied to the infiltration water sucting of the outside of tank 101; Supply with pressurized air, the air supply section of the hole plug phenomenon that causes to prevent foreign matter to be bonded in the surface of described immersion type film 130; Support the bottom of described immersion type film 130, be fixed in upside so that immersion type film 130 is close to, and the upper porous support plate 140 that forms a plurality of holes in surface.
In the present invention, as the structure that immersion type film 130 is arranged to annular in tank 101 inside of solid-liquid separation tank 100, described infiltration water sucting comprises: the top infiltration water pipeline 110 that extends to the upside of described tank 101 from the outside of described tank 101; Be connected in described top infiltration water pipeline 110, and extend to the infiltration water suction line 112 of described tank 101 inside; Extend with diffusion type from the lower end of described infiltration water suction line 112, be arranged to thus the annular infiltration water suction kapillary 114 of annular at the upside of described immersion type film 130.
So, the annular infiltration water that connects immersion type film 130 along circumferential directions sucks kapillary 114, with the inner space at identical tank 101 in the past, infiltration water is sucked the structure that kapillary is arranged to yi word pattern to be compared, the length of annular infiltration water suction kapillary 114 rises to the circular constant multiple of original length, so the magnitude setting of immersion type film 130 rises to original three times.
And described air supply section comprises: supply with compressed-air actuated upper air pipeline 120 from the outside of described tank 101 to the upside of described tank 101; Be connected in described upper air pipeline 120, the air supply pipeline 122 of arranging round the outer peripheral face of described infiltration water suction line 112; Extend with diffusion type from the lower end of described air supply pipeline 122, be arranged to thus the annular air supply kapillary 124 of annular at the upside of described immersion type film 130.
So, the air supply pipeline 122 of described infiltration water suction line 112 and its outside surface consists of the dual pipe of air cover form, record as the back, driving by motor 190, infiltration water suction line 112 and air supply pipeline 122 can one rotate, so that the replacement operation of immersion type film 130 becomes easy.
In addition, possess a plurality of film gang sockets 116 corresponding with the quantity of a plurality of immersion type films 130 that are arranged to annular in the bottom surface that described annular infiltration water sucks kapillary 114, and be arranged in the suction ozzle 131 of immersion type film 130 upper ends take rapid-acting coupling (Quick Coupling) as medium is connected in.Therefore, when the replacement operation of carrying out immersion type film 130, can easily suck kapillary 114 separation soaking formula films 130 from annular infiltration water.
And the bottom surface of supplying with kapillary 124 at described annular air connects take single connector (One touch connector) that touches as the aerator 126 of medium, and wherein aerator 126 is connected to the air inflow aperture 132 that is arranged in a plurality of immersion type films 130 bottoms.Therefore, when carrying out the exchanging operation of immersion type film 130, can easily supply with from annular air and separate aerator 126 kapillary 124.
At this, described rapid-acting coupling and single connector that touches can be touched linkage unit and consist of for so that the combination of connecting portion is easy to consist of by the list of known variform.
In addition, described infiltration water suction line 112 and porous support plate 140 are by rotating shaft 150 combinations, and the upper end of the bottom of infiltration water suction line 112 and rotating shaft 150 is by separably combination of joint flange 115.
And, the upper end of described infiltration water suction line 112 is connected to the rotating shaft of the motor 190 of low speed rotation by chain 192, when the replacement operation of carrying out immersion type film 130, if described motor 190 drives, then air supply pipeline 122 one of infiltration water suction line 112 and its outer peripheral face rotation, therewith in linkage, rotating shaft 150 and porous support plate 140 and the immersion type film 130 that is installed in above the porous support plate rotate together.
At this, described top infiltration water pipeline 110 is connected by joint flange 111 separably with described infiltration water suction line 112, described upper air pipeline 120 is connected by joint flange 121 separably with described air supply pipeline 122, when making described motor 190 driven at low speed for the replacement operation of carrying out immersion type film 130, for the rotation interference that prevents that described top infiltration water pipeline 110 and upper air pipeline 120 from causing, so that described joint flange 111,121 can decompose and separate.
And, the upper end of the tank 101 that is connected by described infiltration water suction line 112 and air supply pipeline 122 arranges closure fange 102, with the sealing openings, prevent thus in the radioactive liquid waste processing procedure by being leaked at the radgas of tank 101 interior generations the outside of tank 101 in aerator 126 inflations.
In addition, described rotating shaft 150 by making its bottom connect described porous support plate 140 with these porous support plate 140 combinations, the outside surface of described rotating shaft 150 bottoms forms screw rod 155, and the medial surface of the porous support plate 140 that described screw rod 155 inserts forms corresponding therewith screw thread, carry out thus the screw thread combination, therefore described porous support plate 140 forms following structure, and when rotated namely, the position can change up and down along the screw thread of screw rod 155.
And, the spindle supporting component 160 of the bottom surface 101a of the bottom of described rotating shaft 150 by being fixed on tank 101, rotatably supported.
So, the adjustment of the upper-lower position that causes because of the rotation of described porous support plate 140, in the time of can being provided at loading and unloading immersion type film 130, be used for installing rapid-acting coupling 118 and single motion space of touching connector 125 connectors, and the change of manufacturing specification (highly) that can corresponding immersion type film 130 therefore can arrange the immersion type film 130 of various height.
And, possess the retainer 142 of rotation of the described porous support plate 140 of restriction in the inside of tank 101 side, as shown in this embodiment, described retainer 142 can constitute in the inside of tank 101 side and rotate, to be fixed on the side of porous support plate 140.
Fig. 3 is that the side hatch reveal of liquid waste treating apparatus that the immersion type film is arranged to annular provided by the invention is specifically schemed, and Fig. 4 illustrates the constitutional diagram that the immersion type film is arranged to the form that the side hatch door of the liquid waste treating apparatus of annular opens provided by the invention.
In the present invention, when carrying out the 130 replacement operation of immersion type film, in order to make operator promptly load and unload each immersion type film 130 in the exterior lateral sides of tank 101, possesses the hatch door 170 (Hatch Door) that opens and closes for picking and placeing immersion type film 130 in a side of tank 101.
Described hatch door 170 is opened and closed by the rotary manipulation of handle 172, and can rotate towards a side, and preferably, the edge of hatch door 170 possesses be used to the sealing unit that prevents from leaking.
And, possess a side of the tank 101 of described hatch door 170, also possess the lead shield body 180 for the shielding radioactive ray, can minimize the radiation for operator.
Therefore, when carrying out the replacement operation of immersion type film 130, operator is opened described hatch door 170, the joint flange 111,121 that decomposes tank 101 upsides, then remove the clamping state of retainer 142, and when making motor 190 low speed rotation, decompose rapid-acting coupling 118 and single connector 125 that touches, by hatch door 170 used immersion type film 130 is drawn out to the outside, can replaces easily new immersion type film thus.
Above, the solid-liquid separation tank 100 of processing radioactive liquid waste take liquid waste treating apparatus of the present invention describes as example, but liquid waste treating apparatus of the present invention is except the processing of radioactive liquid waste, also can be common to the device of processing harmful/noxious material, those skilled in the art should know, in the scope that does not break away from technology purport of the present invention, can carry out multiple modification and distortion and implement.
Claims (10)
1. liquid waste treating apparatus comprises:
Tank flows into waste liquid, and discharges the infiltration water that filters;
Waste liquid inflow section makes waste liquid flow into described tank inner;
A plurality of immersion type films circularize and mutually isolation in described tank internal placement, to filter the foreign matter that is comprised in the waste liquid that flows into by described waste liquid inflow section;
The infiltration water sucting sucks the infiltration water by the waste liquid of described immersion type film, and it is outside to be supplied to described tank;
Air supply section supplies with pressurized air to described immersion type film, adheres to the surface of described immersion type film to prevent foreign matter;
Porous support plate supports the bottom of described immersion type film, is formed with a plurality of holes on the surface simultaneously.
2. liquid waste treating apparatus according to claim 1 is characterized in that,
Described infiltration water sucting comprises: the top infiltration water pipeline that extends to the upside of described tank from the outside of described tank; Be connected in described top infiltration water pipeline, and extend to the infiltration water suction line of described tank inside; Extend with diffusion type from the lower end of described infiltration water suction line, and be arranged to the annular infiltration water suction kapillary of annular at the upside of described immersion type film,
Described air supply section comprises: supply with compressed-air actuated upper air pipeline from the outside of described tank to the upside of described tank; Be connected in described upper air pipeline, surround the outside surface of described infiltration water suction line, and extend to the air supply pipeline of described tank inside; Extend with diffusion type from the lower end of described air supply pipeline, and be arranged to the annular air supply kapillary of annular at the upside of described immersion type film.
3. liquid waste treating apparatus according to claim 2 is characterized in that,
Be arranged in the film gang socket that described annular infiltration water sucks bottom surface capillaceous with the quantity corresponding with the quantity of described a plurality of immersion type films and be connected with the suction ozzle of the upper end that is arranged in described immersion type film by rapid-acting coupling,
Described annular air is supplied with kapillary and is connected to aerator by single connector that touches, and wherein aerator is connected to the air inflow aperture of described immersion type film bottom.
4. liquid waste treating apparatus according to claim 2 is characterized in that described infiltration water suction line and is connected porous support plate and connects by rotating shaft that described infiltration water suction line connects into and can rotate by the driving of motor.
5. liquid waste treating apparatus according to claim 2 is characterized in that being combined with closure fange on the upper end of the described tank that described infiltration water suction line and air supply pipeline connect, to be used for keeping impermeability.
6. liquid waste treating apparatus according to claim 4 is characterized in that connecting portion and the connecting portion between described infiltration water suction line and the described rotating shaft between the connecting portion between described top infiltration water pipeline and the described infiltration water suction line, described upper air pipeline and the described air supply pipeline is combined into and can separates by each joint flange.
7. liquid waste treating apparatus according to claim 4 is characterized in that described rotating shaft and is connected the connecting portion of porous support plate and connects with the screw thread combination by screw rod, so that the position of described porous support plate is along changing up and down.
8. the spindle supporting component of liquid waste treating apparatus according to claim 7, the bottom that the it is characterized in that described rotating shaft bottom surface by being fixed on described tank is rotatably supported,
One side of described tank inside possesses the retainer of the rotation of the described porous support plate of restriction.
9. the described liquid waste treating apparatus of any one in 8 according to claim 1 is characterized in that possessing hatch door to be opened/closed in a side of described tank, to be used for picking and placeing described immersion type film.
10. liquid waste treating apparatus according to claim 9, a side that it is characterized in that possessing the described tank of described hatch door also possesses the lead shield body for the shielding radioactive ray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110220075.7A CN102903411B (en) | 2011-07-29 | 2011-07-29 | Liquid waste treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110220075.7A CN102903411B (en) | 2011-07-29 | 2011-07-29 | Liquid waste treating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102903411A true CN102903411A (en) | 2013-01-30 |
| CN102903411B CN102903411B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110220075.7A Expired - Fee Related CN102903411B (en) | 2011-07-29 | 2011-07-29 | Liquid waste treating apparatus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624408A (en) * | 1985-06-28 | 1987-01-10 | Toshiba Corp | Filtration device using hollow yarn membrane |
| JPH05154357A (en) * | 1991-12-05 | 1993-06-22 | Toshiba Corp | Filtration apparatus of hollow fiber membrane |
| CN1127224A (en) * | 1994-08-03 | 1996-07-24 | 夏普公司 | Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment |
| WO2010141560A1 (en) * | 2009-06-02 | 2010-12-09 | Siemens Water Technologies Corp. | Membrane cleaning with pulsed gas slugs and global aeration |
| CN101941747A (en) * | 2010-08-13 | 2011-01-12 | 天津森诺过滤技术有限公司 | Technological method for treating and recycling degreaser sewage based on immersed continuous membrane filtration technology |
-
2011
- 2011-07-29 CN CN201110220075.7A patent/CN102903411B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624408A (en) * | 1985-06-28 | 1987-01-10 | Toshiba Corp | Filtration device using hollow yarn membrane |
| JPH05154357A (en) * | 1991-12-05 | 1993-06-22 | Toshiba Corp | Filtration apparatus of hollow fiber membrane |
| CN1127224A (en) * | 1994-08-03 | 1996-07-24 | 夏普公司 | Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment |
| WO2010141560A1 (en) * | 2009-06-02 | 2010-12-09 | Siemens Water Technologies Corp. | Membrane cleaning with pulsed gas slugs and global aeration |
| CN101941747A (en) * | 2010-08-13 | 2011-01-12 | 天津森诺过滤技术有限公司 | Technological method for treating and recycling degreaser sewage based on immersed continuous membrane filtration technology |
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| CN102903411B (en) | 2015-07-29 |
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