CN103301682A - Surface condensation liquid filter - Google Patents
Surface condensation liquid filter Download PDFInfo
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- CN103301682A CN103301682A CN2013102197128A CN201310219712A CN103301682A CN 103301682 A CN103301682 A CN 103301682A CN 2013102197128 A CN2013102197128 A CN 2013102197128A CN 201310219712 A CN201310219712 A CN 201310219712A CN 103301682 A CN103301682 A CN 103301682A
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Abstract
The invention discloses a surface condensation liquid filter, belonging to the field of water treatment equipment. The surface condensation liquid filter comprises a barrel body, a set of lower cavity filter cores, a condensed water introduction pipe, a water return pipe, a set of backwashing synergism rooms, a backwashing mechanism, a return room, a set of water inlet pipes and a set of upper cavity filter cores, wherein a barrel cavity baffle is arranged in the barrel body; a set of lower cavity filter core liquid outlets are formed in the barrel cavity baffle; first and second checking manholes are formed in upper and lower seal heads of the barrel body; the lower cavity filter cores are fixed with the barrel cavity baffle; the condensed water introduction pipe is communicated with a barrel body lower cavity; one end of the water return pipe is arranged in a barrel body upper cavity while the other end of the water return pipe extends out of the barrel body upper cavity; the backwashing synergism rooms are formed on one side of the barrel cavity baffle; the backwashing mechanism is fixed in the center of the upper seal head; a return room top plate is arranged at the upper part of the return room; one end of the return pipe is communicated with the return room; the upper ends of the water inlet pipes extend into the barrel body upper cavity while the lower ends of the water inlet pipes are fixed with top plates of the backwashing synergism rooms; the upper cavity filter cores are arranged in the barrel body upper cavity and fixed with the upper ends of the water inlet pipes. The quality of water recycled for a boiler is guaranteed to meet the boiler water supply requirement; the lower cavity filter cores can be enabled to keep a lasting filtering effect; the service life is long.
Description
Technical field
The invention belongs to the water treatment facilities technical field, be specifically related to a kind of surface condensate filter, be used for the processing to the steam technique condensate water of the generation of the industry such as petrochemical industry, oil refining industry, biology,drug and chemical industry industry, power station and papermaking.
Background technology
Take aforesaid petrochemical refining industry as example, need use in large quantities in process of production high-temperature steam as the energy to various oil product heating, steam is converted into condensate water after heat exchange, if with condensate water as discharge of wastewater, can cause so the waste of valuable water resource, especially, because this water has formerly passed through desalting processing, therefore in a single day discarded, undoubtedly can increase unreasonably the water cost.Yet, if with condensate water directly as boiler feed water, although can save valuable water resource and can significantly reduce the water cost, but owing to usually containing or claiming to be attended by the materials such as oils, hydrocarbon compound in this type of condensate water, and oil content is about the 1-150mg/L scope, because this water quality is higher than the regulation that boiler feedwater contains oil standard far away, thereby can not be directly as boiler feedwater, otherwise can seriously undermine the service life of boiler, and can have a strong impact on steam-purity value.
Surface condensate filter can and satisfy the requirement of finding rational balance point between the boiler feedwater standard at saving water resource, more particularly, with contaminant filters such as the hydrocarbon compound in the aforementioned condensate water (such as alkane, cycloalkane, alkene, alkynes, aromatic hydrocarbon etc.), oil, iron oxide, the water up to standard after the filtration is as boiler feedwater by surface condensate filter.
Although the filter technology scheme that patent of invention ZL200710019210.5 recommends has the technique effect that Instructions Page 3 the 15th to 21 row refers, but the filtration for the relatively high condensate water of oil content can not reach gratifying degree, is inadequate because this patent scheme only depends on the cavity of resorption that is arranged in the cylindrical shell cavity of resorption to cross that filter core filters.Undoubtedly, if in the cylindrical shell epicoele of cylindrical shell, filter core was set also, epicoele namely is set crosses filter core, can significantly improve filter effect so, but say the problem that needs solution such from technical standpoint: the water after the cavity of resorption in the cylindrical shell cavity of resorption in the introducing cylindrical shell cavity of resorption is crossed filter element filtering enters in the cylindrical shell epicoele, should enter swimmingly backwater cavity after epicoele in being arranged on the cylindrical shell epicoele is crossed filter element filtering again, and draw from the return pipe (also can claim the medium fairlead) that communicates with backwater cavity.Common way is to keep the space between the position, edge of the top board of cylinder inboard wall and backwater cavity, constitutes the passage that connects between cylindrical shell epicoele and the backwater cavity by this space, and this passage also can claim refluxing opening.Yet facts have proved to be far from being enough with the refluxing opening between the top board edge that remaines in cylindrical shell and backwater cavity as the passage between conducting cylindrical shell epicoele and the backwater cavity only, particularly, be not enough to in the cylindrical shell epicoele to cross water behind the filter element filtering by epicoele smooth and easy and introduce quickly backwater cavity, thereby can affect water treatment efficiency to a certain extent.
In view of above-mentioned prior art, the applicant has done positive and useful design, has finally formed technical scheme described below, and is taking to the experiment proved that it is practicable under the corresponding secrecy provision.
Summary of the invention
Task of the present invention is to provide a kind of helping to be suspended in the greasy dirt on condensate water surface, mix hydrocarbon compound in condensate water and the effective filtering of the granule foreign such as iron oxide and use the water quality requirement that satisfies the reuse condensate water, be conducive to convenient and to implement efficiently backwash and backwash effect excellent and use and avoid the pressure reduction overrun and can embody well energy efficient and be of value to and make things convenient for inspection and use the surface condensate filter that ensures good service life.
Task of the present invention is finished like this, a kind of surface condensate filter, comprise a cylindrical shell, be provided with the cylinder chamber dividing plate that is divided into cylindrical shell epicoele and cylindrical shell cavity of resorption for the cylinder chamber with cylindrical shell in this cylindrical shell, on the dividing plate of cylinder chamber, offer one group of cavity of resorption with the interval state and cross the filter core fluid hole, upper cover at cylindrical shell is provided with the first inspection manhole, and is provided with one second inspection manhole at the low head of cylindrical shell; The one group of cavity of resorption that is arranged in described cylindrical shell cavity of resorption is crossed filter core, and this group cavity of resorption is crossed filter core and fixed with vertical cantilever position and described cylinder chamber dividing plate in the position of crossing the filter core fluid hole corresponding to described cavity of resorption, and crosses the filter core fluid hole with cavity of resorption and communicate; One is used for introducing to described cylindrical shell cavity of resorption the condensate water inlet tube of the condensate water that awaits filtering, and the middle position of this condensate water inlet tube and described low head is fixed, and communicates with the cylindrical shell cavity of resorption; One is used for the condensate water after filtering of described cylindrical shell epicoele is drawn the return pipe of reuse, and an end of this return pipe is positioned at the cylindrical shell epicoele, and the other end is being stretched over behind described upper cover outside the cylindrical shell epicoele; One group of separate backwash synergy chamber, this group backwash synergy chamber are formed in described cylinder chamber dividing plate towards a side of cylindrical shell epicoele, and the opening of each backwash synergy chamber is towards the central part of cylinder chamber dividing plate; One backwash mechanism, this backwash mechanism is fixed on the middle position of described upper cover, communicates with the described opening of backwash synergy chamber, and communicates with described return pipe; One return passage, this return passage are implemented in the top of described backwash synergy chamber, and the top of this return passage has a return passage top board, and a described end of described return pipe communicates with return passage; One group of water inlet pipe that is spaced apart from each other, the upper end of this group water inlet pipe are stretched in the described cylindrical shell epicoele, and the lower end is being fixed with the top board of backwash synergy chamber behind described return passage, and communicate with backwash synergy chamber; One group of quantity is crossed filter core with the epicoele that the quantity of described water inlet pipe equates, this group epicoele is crossed filter core and is positioned at described cylindrical shell epicoele with vertical state and fixes with the described upper end of water inlet pipe, wherein: on described return passage top board with the interval state offer for described cylindrical shell epicoele cross filter element filtering by described epicoele after the condensate water of cleaning introduce in the described return passage and use the backwater hole of drawing for described return pipe.
In a specific embodiment of the present invention, wall body at described cylindrical shell is provided with one first visor and one second visor, the first visor is corresponding to described cylindrical shell epicoele, the second visor is corresponding to described cylindrical shell cavity of resorption, and be equipped with a greasy dirt at described upper cover and draw interface, this greasy dirt is drawn interface and is communicated with the cylindrical shell epicoele, and draws interface at this greasy dirt and be connected with a greasy dirt fairlead, is fixed with one group of cylinder bearing pin at described low head.
In another specific embodiment of the present invention, it is that papery is crossed filter core that described cavity of resorption is crossed filter core; Pipeline at described condensate water inlet tube is equipped with the blowdown interface.
In another specific embodiment of the present invention, described end at described return pipe is equipped with a return pipe check valve, and is equipped with compressed air introducing interface, positive flushing water water inlet interface, water outlet mouthpiece and backwashing water introducing interface at the described other end of return pipe.
In another specific embodiment of the present invention, the geometry of described one group of backwash synergy chamber all is fan-shaped, separated by synergy chamber demarcation strip between the adjacent backwash synergy chamber, top and the described top board of the length direction of synergy chamber demarcation strip are fixed, and the bottom of the length direction of synergy chamber demarcation strip and described cylinder chamber dividing plate are fixed, and the quantity of synergy chamber demarcation strip equates with the quantity of backwash synergy chamber.
Also have in the specific embodiment of the present invention, described backwash mechanism comprises motor, reductor, shaft coupling, Connection Block, main shaft, spacer, backwash tube and check valve, motor is connected with speed reducer drive, reductor is fixed on the Connection Block together with motor, Connection Block is fixed on the described upper cover of cylindrical shell, and be positioned at the middle position of upper cover, on Connection Block, also be provided with a signal picker, the upper end of main shaft is connected with shaft coupling, shaft coupling is connected with the power output shaft of reductor, be installed with the one division dish at shaft coupling, on the rim of index dial with the equidistant signalling contact that matches with described signal picker that is useful on spaced apart, and the quantity of signalling contact equates with the quantity of described backwash synergy chamber, the lower end of main shaft is stretched in the described spacer, spacer is positioned at the cylindrical shell epicoele, and fix towards a side of cylindrical shell epicoele with described upper cover, one end of check valve is fixed with spacer and is communicated with the spacer chamber of spacer, and the other end of check valve is connected with described return pipe and communicate with return pipe, the upper end of backwash tube is stretched in the described spacer chamber and is fixedly connected with the described lower end of described main shaft, and communicate with the spacer chamber, and the lower end of backwash tube is successively by way of being bearing in rotationally behind the top board of described return passage and backwash synergy chamber on the dividing plate of described cylinder chamber, offer a backwash liquid outlet in the described lower end of this backwash tube, this backwash liquid outlet matches with the described opening of backwash synergy chamber.
More of the present invention and in specific embodiment, described signal picker is travel switch, microswitch, position approach switch, tongue tube or hall sensing element.
In of the present invention and then specific embodiment, on the tube wall of the described upper end of described backwash tube, offer liquid-through hole with the interval state, liquid-through hole communicates with described spacer chamber.
Of the present invention again more and in specific embodiment, the structure that described epicoele is crossed filter core is identical with the structure of China Patent No. ZL200820236958.0.
In again of the present invention and then specific embodiment, be provided with a Pressure gauge at the pipeline of described return pipe.
Technical scheme provided by the invention is owing to crossing filter core and epicoele and cross filter core former water is filtered by being arranged at cavity of resorption in cylindrical shell cavity of resorption and the cylindrical shell epicoele respectively, thereby can be with the effective filtering of granule foreign that is suspended in the greasy dirt on condensate water surface and mixes hydrocarbon compound in condensate water, iron oxide and so on, the water quality that is back to boiler with guarantee meets the boiler feedwater requirement; Owing to can implement backwash by backwash mechanism when pressure reduction increases after operation a period of time, both can avoid the pressure reduction overrun, can embody good water treatment efficiency and energy-conservation again; Because backwash synergy chamber can make cavity of resorption cross filter core and obtain excellent backwash effect, thereby can make cavity of resorption cross the lasting filter effect of filter core performance; Owing to can carry out easily inspection by first, second inspection hole, thereby can make whole device embody good service life.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is the cutaway view of Fig. 1.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1 and Fig. 2, provided the cylindrical shell 1 of a cylindric structure, in the cylinder chamber of this cylindrical shell 1 and the on the lower side section that is positioned at cylinder chamber be fixed with a chamber demarcation strip 13, on this chamber demarcation strip 13, offer the cavity of resorption that quantity equates with quantity that the following cavity of resorption that will describe is crossed filter core 2 with the interval state and cross filter core fluid hole 131.Shown in figure, top by the setting of cylinder chamber dividing plate 13 with the cylinder chamber of cylindrical shell 1 is divided into cylindrical shell epicoele 11, and the bottom is divided into cylindrical shell cavity of resorption 12, more particularly, being positioned at a zone on the top of chamber dividing plate 13 is cylindrical shell epicoele 11, is cylindrical shell cavity of resorption 12 and be positioned at a zone of the bottom of chamber dividing plate 13.
Shown in figure, the top of cylindrical shell 1 is the upper cover 14 of spherical crown shape, is provided with the first inspection manhole 141 at this upper cover 14, enters by means of the first inspection manhole 141 for the inspection personnel and carries out inspection in the cylindrical shell epicoele 11.On upper cover 14, also be equipped with a greasy dirt that communicates with cylindrical shell epicoele 11 and draw interface 142, draw interface 142 at this greasy dirt and connected a greasy dirt fairlead 1421.Can regularly or aperiodically the greasy dirt in the cylindrical shell epicoele 11 or other similar suspension be drawn cylindrical shell epicoele 11 under the effect of the pump (not shown) on the pipeline of greasy dirt fairlead 1421.The bottom of cylindrical shell 1 is the low head 15 of spherical crown shape, is provided with the second inspection manhole 151 at this low head 15, enters the 12 interior enforcement inspections of cylindrical shell cavity of resorption for the inspection personnel by the second inspection manhole 15.Outer wall at low head 15 is provided with one group of cylinder bearing pin 152, by this group cylinder bearing pin 152 cylindrical shell 1 is supported on the terrace of field of employment with airborne.Also be provided with one first visor 16a and one second visor 16b on cylindrical shell 1, the first position of visor 16a on cylindrical shell 1 is corresponding with aforesaid cylindrical shell epicoele 11, and the second position of visor 16b on cylindrical shell 1 is corresponding with aforesaid cylindrical shell cavity of resorption 12.
Provided and crossed one group of cavity of resorption that the quantity of filter core fluid hole 131 equates with aforesaid cavity of resorption and cross filter core 2, this group of cavity of resorption is crossed filter core 2 cross filter core fluid hole 131 positions corresponding to cavity of resorption fixing with vertical cantilever position and tube chamber dividing plate 13, and each cavity of resorption is crossed filter core 2 and communicated with mistake filter core fluid hole 131.
In the present embodiment, aforesaid cavity of resorption is crossed the filter core 2 preferred paperys of using and is crossed filter core.
On aforesaid low head 5 and the middle position that is positioned at low head 5 be fixed with a condensate water inlet tube 3, this condensate water inlet tube 3 also can be described as former water inlet tube, and its function is to cross filter core 2 for cavity of resorption in the condensate water introducing cylindrical shell cavity of resorption 12 that will await filtering to filter.On the pipeline of condensate water inlet tube 3, also be equipped with blowdown interface 31.
Provided a return pipe 4, by this return pipe 4 epicoele that also will describe below the process in the cylindrical shell epicoele 1 is crossed the return pipe 4 that condensate water up to standard after filter core 9 filters is drawn reuse, one end of this return pipe 4 is positioned at cylindrical shell epicoele 11, and be equipped with a return pipe check valve 41, and the other end of return pipe 4 is being stretched over outside the cylindrical shell epicoele 11 behind aforementioned upper cover 14, and is provided with compressed air introducing interface 42, positive flushing water water inlet interface 43, water outlet mouthpiece 44 and backwashing water introducing interface 45 at this other end.Preferably, can on the pipeline of return pipe 4, (be positioned at the zone outside the cylindrical shell epicoele 11) and set a Pressure gauge 46, understand pressure reduction between condensate water inlet tube 3 and the return pipe 4 for the operator, for backwash provides foundation.Generally, when pressure reduction reaches 0.15MPa, then cavity of resorption is crossed filter core 2 and implement backwash.
Show one group separate be separate backwash synergy chamber 5, the quantity of this group backwash synergy chamber 5 both may be as few as two, also can be three, four, five, six, seven or eight, and the equal and opposite in direction of each backwash synergy chamber 5.By shown in Figure 1, backwash synergy chamber 5 be implemented in aforesaid cylinder chamber dividing plate 13 towards a upper side, namely towards a side of cylindrical shell epicoele 11, the opening of each backwash synergy chamber 5 is towards the central part of cylinder chamber dividing plate 13.Again, by shown in Figure 1, one group of backwash synergy chamber 5 distributes radially around a circumferencial direction of chamber dividing plate 13, be that each backwash synergy chamber 5 is fan-shaped, separated by synergy chamber demarcation strip 52 between the adjacent backwash synergy chamber 5, the top of the length direction of synergy chamber demarcation strip 52 and top board 51 are fixing, and the bottom of length direction is fixing with cylinder chamber dividing plate 13, and the quantity of synergy chamber demarcation strip 52 equates with the quantity of backwash synergy chamber 5, and the present embodiment is six, but is not limited to six.
The function of aforesaid backwash synergy chamber 5 also can be fully understood by the deciphering to ZL200710019210.5.
Please continue to see Fig. 1 and Fig. 2, provided a backwash mechanism 6, this backwash mechanism 6 preferably but not the structure that definitely is limited to is as follows: comprise motor 61, reductor 62, shaft coupling 63, Connection Block 64, main shaft 65, spacer 66, backwash tube 67 and check valve 68, motor 61 is in transmission connection with reductor 62, and be fixed on the Connection Block 64 together with motor 61 by reductor 62, Connection Block 64 is fixed on the described upper cover 14 of cylindrical shell 1 by one group of screw 642, and be positioned at the middle position of upper cover 14, on Connection Block 64, also be provided with a signal picker 641, the upper end of main shaft 65 is connected with shaft coupling 63, shaft coupling 63 is connected with the power output shaft of reductor 62, be installed with one division dish 631 at shaft coupling 63, on the rim of index dial 631 with the equidistant signalling contact that matches with aforementioned signal picker 641 that is useful on spaced apart, and the quantity of signalling contact equates with the quantity of described backwash synergy chamber 5, the lower end of main shaft 65 is stretched in the aforementioned spacer 66, spacer 66 is positioned at cylindrical shell epicoele 11, and fix towards a side of cylindrical shell epicoele 11 with aforementioned upper cover 14, one end of check valve 68 is fixed with spacer 66 and is communicated with the spacer chamber 661 of spacer 66, and the other end of check valve 68 is connected with aforesaid return pipe 4 and communicate with return pipe 4, the upper end of backwash tube 67 is stretched in the described spacer chamber 661 and is fixedly connected with the aforementioned lower end of aforementioned main shaft 65, and communicate with spacer chamber 661, and the lower end of backwash tube 67 is successively by way of being bearing in rotationally behind the top board 51 of the following return passage that also will describe 7 and backwash synergy chamber 5 on the aforementioned cylinder chamber dividing plate 13, offer a backwash liquid outlet 671 in the lower end of this backwash tube 67, this backwash liquid outlet 671 matches with the aforementioned opening of backwash synergy chamber 5.
Above mentioned signal picker 641 is travel switch in the present embodiment, but also can use microswitch, position approach switch joint or tongue tube, and even can use the hall sensing element.
Shown in figure, on namely being stretched over the tube wall at the position in the spacer chamber 661, the upper end of aforementioned backwash tube 67 offers liquid-through hole 672 with the interval state, and liquid-through hole 672 communicates with spacer chamber 661.
Please still see Fig. 1, mention above having provided a return passage 7(), this return passage 7 is formed in or claims to be implemented in the top of the top board 51 of aforementioned backwash synergy chamber 5, and the top of this return passage 7 has one piece of return passage top board 71, offer backwater hole 72 with the interval state on this return passage top board 71, the water in the cylindrical shell epicoele 11 is in backwater hole 72 enters return passage 7.Because the end end that the described end of aforesaid return pipe 4 namely is positioned at cylindrical shell epicoele 11 and return passage top board 71 are fixing and communicate with return passage 7, so enter return passage 7 interior water and drawn by return pipe 4 through return pipe check valve 41.
Provided one group of water inlet pipe that is spaced apart from each other 8, the upper end of this group water inlet pipe 8 is stretched in the cylindrical shell epicoele 11, and the lower end is being fixed with the top board 51 of aforesaid backwash synergy chamber 5 behind return passage 7, and communicates with backwash synergy chamber 5.The epicoele that one group of quantity equates with the quantity of water inlet pipe 8 is crossed filter core 9 and is positioned at cylindrical shell epicoele 11 with vertical state and fixes with the aforementioned upper end of water inlet pipe 8.In the present embodiment, epicoele is crossed the excessively filter core that filter core 9 uses China Patent No. ZL200820236958.0(surface condensate filters to use).
When normal operation, back purge system 6 is in the state of quitting work, the backwash liquid outlet 671 of the backwash tube 67 of this device should be the opening that has been in corresponding to one of them the backwash synergy chamber 5 in one group of backwash synergy chamber 5, i.e. backwash liquid outlet 671 lucky opening parts in alignment with a backwash synergy chamber 5.Close the valve on the pipeline of the blowdown interface 31 on the condensate water inlet tube 3, open with the matched pipeline of water inlet 32 on valve, former water is that aforesaid condensate liquid just enters the cylindrical shell cavity of resorption 12 from condensate water inlet tube 3, crosses filter core 2 for one group of cavity of resorption in the cylindrical shell cavity of resorption 12 and filters.Water after the filtration is crossed filter core fluid hole 131 from cavity of resorption and is entered into each backwash synergy chamber 5.Because one group of water inlet pipe 8 communicates with backwash synergy chamber 5, therefore the water that enters in the backwash synergy chamber 5 is crossed filter core 9 filtrations through the epicoele that water inlet pipe 8 introducings are positioned at cylindrical shell epicoele 11, and the backwater hole 72 of water on return passage top board 71 of crossing after filter core 9 filters through epicoele enters in the return passage 7.Because an end of return pipe 4 communicates with return passage 7, therefore enter into return passage 7 interior water and draw through return pipe check valve 41, that is, draw the water of using as boiler feedwater from water outlet mouthpiece 44.In this process, compressed air introduces interface 42, positive flushing water water inlet interface 43 and backwashing water is introduced interface 45 and check valve 68 all is in closed condition.
When surface condensate filter operation a period of time, after inlet outlet pressure differential reached setting value, when for example Pressure gauge 46 indicating values reached 1.5MPa, the signal according to differential pressure transmitter entered backwashing procedures.Backwashing procedures has two kinds of control modes: the one, and automatic control, adopt the PLC(programmable controller) control, during backwash according to the signal of differential pressure transmitter by PLC switching controls valve and starter motor 61, main shaft 65 touches mutually according to the signalling contact on the index dial 631 and signal picker 641, aim at first backwash synergy chamber 5 rear motors 61 and stop a period of time (time can comply with to be needed to set), carry out backwash, reach starter motor 61 behind the setting-up time, successively backwash is carried out in each backwash synergy chamber 5, the filter after the backwash is in for subsequent use or enters again and comes into operation.The 2nd, manual control, at filter electric appliance control box is installed, switch valve and starter motor 61 when differential pressure reaches setting value, main shaft 65 stops a period of time (time can comply with to be needed to set) according to index dial 631 corresponding first backwash synergy chamber 5 rear motors 61, carry out backwash, reach starter motor 61 behind the setting-up time, successively backwash (when aiming at each backwash synergy chamber 5, the starting of motor 61, stop to take on by the automatic control circuit in the electric appliance control box) is carried out in each backwash synergy chamber 5.Around a circle has been finished flushing to all backwash synergy chambers 5 after, automatically stop backwash, then enter down one square impact and wash step, just washing mainly is by the impurity of bringing in backwash water and the gas when rinsing out backwash.When just washing, the water inlet 32 of condensate water inlet tube 3 is opened, and blowdown interface 31 is closed; Water outlet mouthpiece 44 on the pipeline of return pipe 4, compressed air are introduced interface 42, backwashing water is introduced interface 45 all places closed conditions, and positive flushing water water inlet interface 43 is in opening.Filter after the flushing is in for subsequent use or enters again the state of coming into operation.
Carry out in the process of backwash the valve closing on water inlet 32 passages of condensate water inlet tube 3,31 unlatchings of blowdown interface cavity of resorption being crossed filter core 2; Valve opening on the passage that the backwashing water introducing interface 45 of return pipe 4 and compressed air are introduced interface 42 is (to enable simultaneously compressed air as example, if do not enable, the closes compression air is introduced the valve on the pipeline of interface 42 so), the valve closing on the passage of water outlet mouthpiece 44, positive flushing water water inlet interface 43.When motor 61 work of ordering about back purge system 6, drive main shafts 65 rotations by shaft coupling 63 because backwash tube 67 is connected with main shaft 65, therefore in the process that main shaft 65 rotates backwash tube 67 with revolving.Owing to being equipped with index dial 631 and being provided with signal picker 641 at Connection Block 64 at shaft coupling 63, therefore when the signalling contact on the index dial 631 contacts with signal picker 641, the backwash liquid outlet 671 of backwash tube 67 belows also just has been aligned in the opening of backwash synergy chamber 5 just, and give electric control box or PLC by signal picker 641 to signal, motor 61 is temporarily quit work a period of time.Make the backwash liquid outlet 671 of backwash tube 67 belows be registered to one by one the opening of corresponding backwash synergy chamber 5.The counter-flushing liquid of being introduced by return pipe 4 enters into spacer chamber 662, following backwash tube 67 through liquid-through hole 672 flows downward, until be injected to backwash synergy chamber 5 from backwash liquid outlet 671, the counter-flushing liquid that enters into backwash synergy chamber 5 is crossed filter core fluid hole 131 from cavity of resorption and is entered cavity of resorption and cross in the filter core 2, thereby has finished the cleaning of crossing filter core 2 corresponding to the cavity of resorption of 5 belows, some backwash synergy chamber.Then motor 61 is worked again, make backwash tube 67 turn over again a station, signal picker 641 is tactile mutually with the another signalling contact on the index dial 631, the backwash liquid outlet 671 of this moment has been aligned in again the opening of another backwash synergy chamber 5 just, carry counter-flushing liquid to another backwash synergy chamber 5, the cavity of resorption of corresponding another 5 belows, backwash synergy chamber is crossed filter core 2 backwashes, the like, until finish the cavity of resorption of all 5 belows, backwash synergy chamber is crossed filter core 2 backwashes.In backwash process, the check valve 661 that is located on the spacer 66 of back purge system 6 is to be in opening.
By the explanation above-mentioned to the applicant, the backwash effect that cavity of resorption is crossed filter core 2 that can know fully that the present invention shows should be ultimate attainment, because if take six backwash synergy chambers 5 recited above as example, flow velocity can increase by six times, and that is to say to increase by six times flushing flow rate within the identical unit interval.
In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art, has finished the invention task, has cashed the technique effect that refers in the superincumbent technique effect of the applicant hurdle.
Claims (10)
1. surface condensate filter, it is characterized in that comprising a cylindrical shell (1), be provided with the cylinder chamber dividing plate (13) that is divided into cylindrical shell epicoele (11) and cylindrical shell cavity of resorption (12) for the cylinder chamber with cylindrical shell (1) in this cylindrical shell (1), upward offering one group of cavity of resorption with the interval state crosses filter core fluid hole (131) at cylinder chamber dividing plate (13), upper cover (14) in cylindrical shell (1) is provided with the first inspection manhole (141), and the low head (15) in cylindrical shell (1) is provided with one second inspection manhole (151); The one group of cavity of resorption that is arranged in described cylindrical shell cavity of resorption (12) is crossed filter core (2), it is fixing with vertical cantilever position and described cylinder chamber dividing plate (13) in the position of crossing filter core fluid hole (131) corresponding to described cavity of resorption that this group cavity of resorption is crossed filter core (2), and cross filter core fluid hole (131) with cavity of resorption and communicate; One is used for introducing to described cylindrical shell cavity of resorption (12) the condensate water inlet tube (3) of the condensate water that awaits filtering, this condensate water inlet tube (3) is fixed with the middle position of described low head (15), and communicates with cylindrical shell cavity of resorption (12); One is used for the condensate water after filtering of described cylindrical shell epicoele (11) is drawn the return pipe (4) of reuse, one end of this return pipe (4) is positioned at cylindrical shell epicoele (11), and the other end is being stretched over behind described upper cover (14) outside the cylindrical shell epicoele (11); One group of separate backwash synergy chamber (5), this group backwash synergy chamber (5) is formed in described cylinder chamber dividing plate (13) towards a side of cylindrical shell epicoele (11), and the opening of each backwash synergy chamber (5) is towards the central part of cylinder chamber dividing plate (13); One backwash mechanism (6), this backwash mechanism (6) is fixed on the middle position of described upper cover (14), communicates with the described opening of backwash synergy chamber (5), and communicates with described return pipe (4); One return passage (7), this return passage (7) is implemented in the top of described backwash synergy chamber (5), the top of this return passage (7) has a return passage top board (71), and a described end of described return pipe (4) communicates with return passage (7); One group of water inlet pipe that is spaced apart from each other (8), the upper end of this group water inlet pipe (8) is stretched in the described cylindrical shell epicoele (11), and the lower end is fixing at the top board (51) of and backwash synergy chamber (5) rear by way of described return passage (7), and communicates with backwash synergy chamber (5); One group of quantity is crossed filter core (9) with the epicoele that the quantity of described water inlet pipe (8) equates, this group epicoele is crossed filter core (9) and is positioned at described cylindrical shell epicoele (11) with vertical state and fixes with the described upper end of water inlet pipe (8), wherein: use the backwater hole (72) that the described return pipe of confession (4) is drawn for the condensate water of being crossed the cleaning after filter core (9) filters by described epicoele of described cylindrical shell epicoele (11) being introduced described return passage (71) in upper the offering with the interval state of described return passage top board (71).
2. surface condensate filter according to claim 1, it is characterized in that being provided with one first visor (16a) and one second visor (16b) at the wall body of described cylindrical shell (1), the first visor (16a) is corresponding to described cylindrical shell epicoele (11), the second visor (16b) is corresponding to described cylindrical shell cavity of resorption (12), and be equipped with a greasy dirt at described upper cover (14) and draw interface (142), this greasy dirt is drawn interface (142) and is communicated with cylindrical shell epicoele (11), and draw interface (142) at this greasy dirt and be connected with a greasy dirt fairlead (1421), be fixed with one group of cylinder bearing pin (152) at described low head (15).
3. surface condensate filter according to claim 1 is characterized in that described cavity of resorption crosses filter core (2) and cross filter core for papery; Pipeline at described condensate water inlet tube (3) is equipped with blowdown interface (31).
4. surface condensate filter according to claim 1, it is characterized in that being equipped with a return pipe check valve (41) at a described end of described return pipe (4), and be equipped with compressed air introducing interface (42), positive flushing water water inlet interface (43), water outlet mouthpiece (44) and backwashing water introducing interface (45) at the described other end of return pipe (4).
5. surface condensate filter according to claim 1, the geometry that it is characterized in that described one group of backwash synergy chamber (5) all is fan-shaped, separated by synergy chamber demarcation strip (52) between the adjacent backwash synergy chamber (5), the top of the length direction of synergy chamber demarcation strip (52) and described top board (51) are fixing, and the bottom of the length direction of synergy chamber demarcation strip (52) and described cylinder chamber dividing plate (13) are fixing, and the quantity of synergy chamber demarcation strip (52) equates with the quantity of backwash synergy chamber (5).
6. surface condensate filter according to claim 1, it is characterized in that described backwash mechanism (6) comprises motor (61), reductor (62), shaft coupling (63), Connection Block (64), main shaft (65), spacer (66), backwash tube (67) and check valve (68), motor (61) is in transmission connection with reductor (62), reductor (62) is fixed on the Connection Block (64) together with motor (61), Connection Block (64) is fixed on the described upper cover (14) of cylindrical shell (1), and be positioned at the middle position of upper cover (14), on Connection Block (64), also be provided with a signal picker (641), the upper end of main shaft (65) is connected with shaft coupling (63), shaft coupling (63) is connected with the power output shaft of reductor (62), be installed with one division dish (631) at shaft coupling (63), on the rim of index dial (631) with the equidistant signalling contact that matches with described signal picker (641) that is useful on spaced apart, and the quantity of signalling contact equates with the quantity of described backwash synergy chamber (5), the lower end of main shaft (65) is stretched in the described spacer (66), spacer (66) is positioned at cylindrical shell epicoele (11), and fix towards a side of cylindrical shell epicoele (11) with described upper cover (14), one end of check valve (68) is fixed with spacer (66) and is communicated with the spacer chamber (661) of spacer (66), and the other end of check valve (68) is connected with described return pipe (4) and communicate with return pipe (4), the upper end of backwash tube (67) is stretched in the described spacer chamber (661) and is fixedly connected with the described lower end of described main shaft (65), and communicate with spacer chamber (661), and the lower end of backwash tube (67) is successively by way of being bearing in rotationally behind the top board (51) of described return passage (7) and backwash synergy chamber (5) on the described cylinder chamber dividing plate (13), offer a backwash liquid outlet (671) in the described lower end of this backwash tube (67), this backwash liquid outlet (671) matches with the described opening of backwash synergy chamber (5).
7. surface condensate filter according to claim 6 is characterized in that described signal picker (641) is travel switch, microswitch, position approach switch, tongue tube or hall sensing element.
8. surface condensate filter according to claim 6, it is characterized in that offering liquid-through hole (672) with the interval state on the tube wall of the described upper end of described backwash tube (67), liquid-through hole (672) communicates with described spacer chamber (661).
9. surface condensate filter according to claim 1 is characterized in that it is identical with the structure of China Patent No. ZL200820236958.0 that described epicoele is crossed the structure of filter core (9).
10. according to claim 1 or 4 or 6 described surface condensate filters, it is characterized in that being provided with a Pressure gauge (46) at the pipeline of described return pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102197128A CN103301682A (en) | 2013-06-05 | 2013-06-05 | Surface condensation liquid filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102197128A CN103301682A (en) | 2013-06-05 | 2013-06-05 | Surface condensation liquid filter |
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| CN103301682A true CN103301682A (en) | 2013-09-18 |
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| CN103480191A (en) * | 2013-09-27 | 2014-01-01 | 常熟市华能水处理设备有限责任公司 | Efficient pretreater for condensed water |
| CN103480193A (en) * | 2013-09-27 | 2014-01-01 | 常熟市华能水处理设备有限责任公司 | Precision treater for condensed water |
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Application publication date: 20130918 |