CN117547886A - Circulating condensate filter - Google Patents
Circulating condensate filter Download PDFInfo
- Publication number
- CN117547886A CN117547886A CN202410046152.9A CN202410046152A CN117547886A CN 117547886 A CN117547886 A CN 117547886A CN 202410046152 A CN202410046152 A CN 202410046152A CN 117547886 A CN117547886 A CN 117547886A
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- pipe
- rotary drum
- plate
- filter
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims description 34
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000009825 accumulation Methods 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 23
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 116
- 239000002351 wastewater Substances 0.000 description 89
- 239000012535 impurity Substances 0.000 description 23
- 230000009471 action Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 230000005484 gravity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004075 wastewater filtration Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
- B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
Abstract
The invention discloses a circulating condensate filter, which relates to the technical field of condensate filtration and comprises a rotary drum, wherein inner walls at the upper end and the lower end of the rotary drum are obliquely arranged, the inner diameter of the middle part of the rotary drum is larger than that of the upper end and the lower end of the rotary drum, a water inlet pipe, a membrane dissolving pipe, a connecting pipe and an oil storage tank are sequentially arranged in the middle part of the rotary drum from top to bottom, the rotary drum is connected with the oil storage tank through the connecting pipe, an annular filter plate is arranged on the inner wall of the rotary drum, and the section of the outer wall above the membrane dissolving pipe is obliquely arranged. According to the invention, water-oil separation is realized through the centrifugal effect and the U-shaped pipe, and meanwhile, the oil film floating on the water surface is contacted with newly entered oil to achieve the similar compatible effect, so that the cleaning of the oil film on the water surface is achieved.
Description
Technical Field
The invention relates to the technical field of condensate water filtration, in particular to a circulating condensate water filter.
Background
Taking chemical industry and oil refining industry as examples, a large amount of high-temperature steam is needed to be used as energy sources for heating various oil products in the production process, and the steam is converted into condensed water after heat exchange, namely, the steam is changed into liquid from gas. If the condensed water is discharged as waste water, precious water resource waste is caused; and because the condensed water is subjected to desalination treatment before, once abandoned, the cost of water is unjustified; further, since a trace amount of hydrocarbon substances, oils, and the like are often accompanied in the condensed water, the direct discharge may be harmful to the environment.
Because the condensed water can be contacted with dust and oil in the production process, partial substances with lower density in the oil can be separated in the condensed water during the standing period, and a layer of oil film is formed on the surface of the condensed water under the action of density difference, so that the oil film can be adhered to the surface of a filter screen during the filtering process of the condensed water and is difficult to clean.
Disclosure of Invention
The present invention is directed to a circulating condensate filter, which solves the above-mentioned problems.
In order to solve the technical problems, the invention provides the following technical scheme: the circulating condensate filter comprises a rotary drum, wherein inner walls at the upper end and the lower end of the rotary drum are obliquely arranged, the inner diameter of the middle part of the rotary drum is larger than that of the upper end and the lower end of the rotary drum, a water inlet pipe, a membrane dissolving pipe, a connecting pipe and an oil storage tank are sequentially arranged in the middle of the rotary drum from top to bottom, and the rotary drum is connected with the oil storage tank through the connecting pipe;
the inside of the rotary drum is provided with stirring blades, the stirring blades are connected with a driving motor, the inner wall of the rotary drum is provided with an annular filter plate, and the section of the outer wall above the membrane dissolving tube is obliquely arranged; during the use of the filter, the condensed water carrying impurities and is introduced into the rotary drum through the membrane dissolving pipe, wherein the condensed water contains the impurities and oil, and most of the oil naturally settles below the rotary drum under the action of gravity and is generally attached to the water surface in an oil film mode;
the device comprises a membrane dissolving tube, a stirring blade, a driving motor, a stirring blade, a membrane dissolving tube and blades, wherein the condensed water (hereinafter referred to as wastewater) carrying impurities directly moves into an oil storage tank after entering the membrane dissolving tube, the stirring blade is connected with the driving motor, the stirring blade is driven to rotate during the working period of the driving motor, the stirring blade is connected with the membrane dissolving tube, the blades are arranged above the inner part of the membrane dissolving tube, the stirring blade, the membrane dissolving tube and the blades synchronously rotate, the effect of the blades above the inner part of the membrane dissolving tube is that the wastewater can be rapidly separated under the centrifugal effect after entering the membrane dissolving tube, meanwhile, the blades are arranged above the inner part of the membrane dissolving tube, the position of the blades is above the water level in the membrane dissolving tube, and then the blades can not drive the wastewater in the membrane dissolving tube to move when rotating;
the waste water directly enters the oil storage tank for standing and layering after entering the membrane dissolving pipe, the oil with high density is positioned in the oil storage tank, the waste water with low relative density is positioned in the rotary drum, the stirring blades rotate at the moment, and the waste water in the rotary drum moves synchronously under the driving of the stirring blades.
Further, the upper inner wall of the rotary drum is parallel to the upper outer wall of the membrane dissolving tube, the gap between the upper inner wall and the lower inner wall of the rotary drum and the upper outer wall of the membrane dissolving tube is smaller than the gap between other areas, the lower end surface of the connecting tube coincides with the lower end surface of the rotary drum, and the interface between oil and condensed water is lower than the upper end surface of the connecting tube; during the movement of the waste water in the rotary drum, under the action of centrifugal force, the waste water exists in a mode of high edge and low center area, meanwhile, under the action of the stirring blades, an oil film which is supposed to be positioned in the center area above the waste water moves outwards under the pushing of the stirring blades and rises along with the waste water at the outer side, the waste water drives the oil film to move upwards in a gap between the rotary drum and the membrane dissolving tube until the water surface of the waste water at the outer side rises above the surface of the membrane dissolving tube, then the waste water enters the membrane dissolving tube with the oil film, meanwhile, the water inlet pipe continuously inputs the waste water with oil into the rotary drum, the oil in the waste water and the oil film are mutually dissolved, and further, the oil film on the surface of the waste water is settled along with the oil in the oil storage tank;
the gap between the inner wall below the rotary drum and the outer wall below the membrane dissolving tube is smaller, and the contact area between the waste water inside the rotary drum and the oil in the connecting tube is smaller during the movement of the waste water in the rotary drum, namely, the waste water inside the rotary drum is difficult to transfer kinetic energy into the oil storage tank during the movement of the waste water inside the rotary drum, so that the oil in the oil storage tank is kept in a standing state.
Further, an annular capacitor plate is arranged in the connecting pipe, when the height of the condensate water and the capacitor plate is kept constant, a capacitor structure is formed between the capacitor plate and the condensate water, a circuit connected with the capacitor plate generates an electric signal, and the electric signal is converted by a control center in the condensate water processor to generate a control signal for controlling the rotating speed of the driving motor; along with the continuous waste water of input to the rotary drum in the inlet tube, partial waste water is filtered under the effect of centrifugal force simultaneously, when there is the gap between the waste water of input and filtered water, waste water in the rotary drum is continuously increased, waste water is to the continuous rising of the pressure of oil in the oil storage tank, make the junction of waste water and oil decline, when the lower extreme of waste water descends to the region at electric capacity polar plate place, form electric capacity structure between electric capacity polar plate and the waste water, wherein the material of connecting pipe is preferably ceramic, can produce electric current with the circuit inside that electric capacity polar plate links to each other, the filter is through judging whether there is electric current to produce the signal in the circuit that electric capacity polar plate links to each other, the filter is then launched control signal for driving motor, driving motor is through the stirring leaf after the increase in rotational speed, centrifugal effect increases, the waste water filtration rate in the rotary drum increases, simultaneously under centrifugal force, waste water pressure direction synchronous change, and waste water drop the junction of oil, and then realize that waste water and oily junction rise, until the junction of electric capacity polar plate is located above the region.
Further, an oil outlet pipe is arranged on the outer side of the oil storage tank, the connecting pipe is in a ring shape, the lower end of the oil storage tank is communicated with the lower end of the oil outlet pipe, and the oil outlet pipe is obliquely arranged; the lower extreme of play oil pipe is linked together with the lower extreme of oil storage tank, so constitutes U type tubular construction between play oil pipe, oil storage tank and the connecting pipe, and there is waste water oil storage tank top, and the oil in the oil storage tank leaves through play oil pipe under the pressure of waste water, reaches the balance until the oil of two ports department of play oil pipe, and the waste water can't continue the output through play oil pipe to the pressure that causes the oil in the oil storage tank.
Further, stirring blades are arranged in the rotary drum, a water collecting tray is arranged on the outer side of the rotary drum, cleaning plates are arranged on the inner side and the outer side of the filter plate, the positions of the cleaning plates on the two sides correspond to each other, the filter plate is connected with the stirring blades, the cleaning plates are in a static state relative to the filter plate, air flow passes through the cleaning plates, and the moving direction of the air flow is opposite to the direction of the air flow passing through the filter plate when the condensed water is filtered; the cleaning plates are positioned at two sides of the filter plate, and when the stirring blades drive the filter plate to synchronously move during rotation, namely, the filter plate moves relatively to the cleaning plates, and when air flow passes, the air flow moves from the outer side of the filter plate to the inner side of the filter plate, namely, the movement direction of the air flow is opposite to the movement direction of wastewater.
Further, one side of the cleaning plate positioned at the outer side of the filter plate is provided with a T-shaped pipe, the lower end of the T-shaped pipe is positioned above the water accumulation plate, and the surface of the lower end of the T-shaped pipe is positioned below the water surface of the filtered condensed water on the water accumulation plate; the inlet of air current is provided with T pipe, three ports of T pipe are connected with filter screen, ponding dish and filter plate outside clearance board respectively, wherein the port that links to each other with ponding dish on the T pipe is located under the condensate water horizontal plane after filtering, the clearance board that is located the rotary drum inboard is connected with the air pump, the air pump can produce negative pressure in the clearance board during operation, make the air current follow the T pipe to the one side motion that the air pump was located, the air current is in the horizontal segment motion of T pipe top, because there is high-speed air current to pass through, make in the horizontal segment of T pipe top be the low pressure state, the condensate water on the ponding dish rises through the vertical section of T pipe under the effect of atmospheric pressure difference, and contact with the filter plate under the effect of air current, and pass the filter plate in subsequent in-process, the condensate water that mixes with air is strikeed the filter plate inside impurity and attached to the inner wall surface, later leave under the effect of air current, realize the filter plate and clean up in step during the filtration, in order to realize the filter plate is in the best filtering state all the time.
Further, the annular pipe is positioned at one side of the cleaning plate at the inner side of the filter plate and is communicated with the cleaning plate at the outer side of the filter plate, one end of the annular pipe is provided with an air outlet pipe, an air pump is arranged in the air outlet pipe, and a filter screen is arranged at the air inlet end of the T-shaped pipe; the filter screen is arranged in a way of keeping air in contact with the filter plate in a pure mode after entering the T-shaped pipe so as to avoid the contact of the outer side surface of the filter plate with other impurities, and further ensure that the filtered condensed water is not in contact with other impurities when leaving the filter plate;
the structure of the T-shaped pipe is arranged, a horizontal section is arranged above the T-shaped pipe, a vertical section is arranged in the middle of the T-shaped pipe, when high air flow passes through the horizontal section, a low-pressure effect can be generated, according to Bernoulli principle, the air pressure of the horizontal section of the T-shaped pipe is lower than the air pressure of the outer side of the T-shaped pipe, the air pressure difference between the inner side and the outer side of the T-shaped pipe pushes condensation water in the water accumulation disc to move upwards in the vertical section of the T-shaped pipe, then the condensation water is mixed at the joint of the horizontal section and the vertical section, and when the air flow matched with water flow passes through a filter plate, the water flow is used for conveniently impacting impurities in the filter plate, and the impacted impurities can leave the filter plate under the drive of the water flow;
the annular pipe is contacted with the cleaning plate on the inner side of the filter plate through the pipeline, the joint of the pipeline and the cleaning plate is positioned below the cleaning plate, the annular pipe is used for enabling water flow and air flow to stay below the cleaning plate under the action of gravity after the filter plate is cleaned, and at the moment, waste water with impurities can be discharged under the action of the pipeline and the air pump.
Further, the outer wall surface of the cleaning plate positioned at the inner side of the filter plate is obliquely arranged, a converging opening is formed in one side, close to the filter plate, of the cleaning plate, the horizontal section of the converging opening is in two opposite V shapes, and the passing section of the converging opening is in a vertical long strip shape; the outer wall surface of the cleaning plate is obliquely arranged, so that when the wastewater in the rotary drum moves, the influence of the outer wall of the cleaning plate on the wastewater is lower than the influence of wastewater guidance is minimum when the wastewater passes through the region where the cleaning plate is positioned, and the wastewater can quickly contact the filter plate again under the centrifugal effect after passing through the region where the cleaning plate is positioned, so that a cavity is prevented from being formed between the filter plate and the wastewater, and the filtering effect of the filter plate is prevented from being influenced;
the water flow containing air is arranged before contacting with the filter plate, the water flow and the water flow passing through the cross section area are changed, so that the horizontal distance between the passing cross sections is reduced, the influence caused by small horizontal distance between the decreasing cross sections is compensated in a height increasing manner when the air flow and the water flow pass through the converging opening, then the air flow and the water flow can cover the outer side surface of the filter plate when leaving the converging opening, the water flow contacting with the filter plate positioned above is avoided, the cleaning effect of the filter plate positioned above is poor, the preferential passing cross section of the converging opening is wider at the upper part and narrower at the lower part, and the influence of gravity on the water flow is reduced by changing the difference of the passing cross sections in the vertical direction of the converging opening.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the circulating condensate filter, through mutual matching among the rotary drum, the water inlet pipe, the membrane dissolving pipe, the connecting pipe and the oil storage tank structure, a U-shaped pipe structure is formed, oil is led into the U-shaped pipe structure from the waste water with oil, the oil stays in the oil storage tank after standing, meanwhile, the centrifugal effect is matched, and an oil film floating on the water surface is contacted with newly-entered oil, so that the similar compatible effect is achieved, and further, the cleaning of the oil film on the water surface is achieved;
2. according to the circulating condensate filter, the capacitor plates are matched with the driving motor, the capacitor clamping plates are matched with the water line inside the connecting pipe, a capacitor structure is formed between the capacitor plates and the wastewater, so that the boundary between the wastewater and the oil is monitored, meanwhile, a control center inside the filter is matched with the control center to transmit a control signal to the driving motor, and the condensate filter can continuously work by changing the rotating speed of the driving motor to control the water line inside the connecting pipe;
3. this circulating condensate filter, through the setting of clearance board, T shape pipe and air pump, initiatively clear up the filter plate, utilize air current and rivers to carry out the back flush to the filter screen, realize rivers in passing the filter plate during, rivers clear up the impurity of card inside the filter plate and the impurity of adhesion at filter plate inner wall surface, realize the filtration in-process of filter plate and initiatively clear up, guarantee that the filter plate remains at best filtration all the time, improve condensate filter's work efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the present invention in front view in full section;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of the present invention in a bottom side elevational view in full section;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B in accordance with the present invention;
FIG. 6 is a schematic diagram of the drum, water inlet pipe, membrane dissolving pipe, connecting pipe and oil tank of the present invention in front view in full section;
fig. 7 is a schematic top view in full section of the present invention.
In the figure: 1. a rotating drum; 101. stirring the leaves; 2. a water inlet pipe; 3. a membrane dissolving tube; 4. a connecting pipe; 401. a capacitor plate; 5. an oil storage tank; 501. an oil outlet pipe; 6. a filter plate; 601. a converging port; 7. a water accumulation plate; 8. a cleaning plate; 9. a T-shaped pipe; 11. an annular tube; 1101. and an air outlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides the following technical solutions: the utility model provides a circulating condensate filter, includes rotary drum 1, and rotary drum 1's upper and lower both ends inner wall is the slope setting, and rotary drum 1's inside is provided with stirring leaf 101, and stirring leaf 101 is connected with driving motor, and rotary drum 1's middle part internal diameter is greater than rotary drum 1's upper and lower both ends internal diameter, is provided with annular filter plate 6 on rotary drum 1's the inner wall, and the top outer wall cross-section of dissolving membrane pipe 3 is the slope setting;
the middle part of the rotary drum 1 is sequentially provided with a water inlet pipe 2, a membrane dissolving pipe 3, a connecting pipe 4 and an oil storage tank 5 from top to bottom, and the rotary drum 1 is connected with the oil storage tank 5 through the connecting pipe 4;
the upper inner wall of the rotary drum 1 is parallel to the upper outer wall of the membrane dissolving tube 3, the gap between the upper and lower inner walls of the rotary drum 1 and the upper and lower outer walls of the membrane dissolving tube 3 is smaller than that of other areas, the lower end surface of the connecting tube 4 coincides with the lower end surface of the rotary drum 1, and the interface between oil and condensed water is lower than the upper end surface of the connecting tube 4;
an annular capacitor plate 401 is arranged in the connecting pipe 4, when the height of the condensed water is equal to that of the capacitor plate 401, a capacitor structure is formed between the capacitor plate 401 and the condensed water, a circuit connected with the capacitor plate 401 generates an electric signal, and the electric signal is converted by a control center in the condensed water processor to generate a control signal for controlling the rotating speed of the driving motor;
the capacitor clamping plate 401 is matched with a water line in the connecting pipe 4, a capacitor structure is formed between the capacitor plate 401 and the wastewater, so that the boundary between the wastewater and the oil is monitored, meanwhile, a control center in the filter is matched to transmit a control signal to the driving motor, and the condensate filter can continuously work by changing the rotating speed of the driving motor to control the water line in the connecting pipe 4;
the outer side of the oil storage tank 5 is provided with an oil outlet pipe 501, the connecting pipe 4 is in a ring shape, the lower end of the oil storage tank 5 is communicated with the lower end of the oil outlet pipe 501, and the oil outlet pipe 501 is obliquely arranged;
the oil films floating on the water surface are contacted with the newly entered oil to achieve the similar compatible effect, so as to clean the oil films on the water surface;
the outer side of the rotary drum 1 is provided with a water accumulation disc 7, the inner side and the outer side of the filter plate 6 are provided with cleaning plates 8, the positions of the cleaning plates 8 on the two sides correspond to each other, the filter plate 6 is connected with stirring blades 101, the cleaning plates 8 are in a static state relative to the filter plate 6, air flows pass through the cleaning plates 8, and the movement direction of the air flows is opposite to the direction of the air flows passing through the filter plate 6 when the condensed water is filtered;
one side of the cleaning plate 8 positioned at the outer side of the filter plate 6 is provided with a T-shaped pipe 9, the lower end of the T-shaped pipe 9 is positioned above the water accumulation disc 7, and the lower end surface of the T-shaped pipe 9 is positioned below the water surface of the filtered condensation water on the water accumulation disc 7;
an annular pipe 11 is arranged on one side of the cleaning plate 8 at the inner side of the filter plate 6, the annular pipe 11 is communicated with the cleaning plate 8 at the outer side of the filter plate 6, an air outlet pipe 1101 is arranged at one end of the annular pipe 11, an air pump is arranged in the air outlet pipe 1101, and a filter screen is arranged at the air inlet end of the T-shaped pipe 9;
the outer wall surface of the cleaning plate 8 positioned at the inner side of the filter plate 6 is obliquely arranged, one side of the cleaning plate 8 close to the filter plate 6 is provided with a converging opening 601, the horizontal section of the converging opening 601 is in two opposite V shapes, and the passing section of the converging opening 601 is in a vertical long shape;
the filter plate 6 is actively cleaned, the filter screen 6 is reversely flushed by utilizing air flow and water flow, the impurities clamped in the filter plate 6 and the impurities attached to the inner wall surface of the filter plate 6 are cleaned by the water flow during the process of passing through the filter plate 6, the filter plate 6 is actively cleaned in the filtering process, the filter plate 6 is always kept in an optimal filtering state, and the working efficiency of the condensate filter is improved.
The working principle of the invention is as follows: during the use of the filter, the condensed water carrying with impurities is introduced into the rotary drum 1 through the membrane dissolving tube 3, wherein the condensed water contains impurities and oil, and most of the oil naturally settles below the rotary drum 1 under the action of gravity and is generally adhered to the water surface in an oil film manner;
the condensed water (hereinafter referred to as wastewater) carrying impurities directly moves into the oil storage tank 5 after entering the membrane dissolving tube 3, and as the stirring blade 101 is connected with the driving motor, the stirring blade 101 is driven to rotate during the working period of the driving motor, the stirring blade 101 is connected with the membrane dissolving tube 3, meanwhile, the blade is arranged above the inner part of the membrane dissolving tube 3, the stirring blade 101, the membrane dissolving tube 3 and the blade synchronously rotate, the effect of the blade above the inner part of the membrane dissolving tube 3 is that the wastewater can be quickly separated under the centrifugal effect after entering the membrane dissolving tube 3, meanwhile, the blade is arranged above the inner part of the membrane dissolving tube 3, the position of the blade is above the water level in the membrane dissolving tube 3, and then the blade can not drive the wastewater in the membrane dissolving tube 3 to move when rotating;
after entering the membrane dissolving tube 3, the wastewater directly enters the oil storage tank 5 for standing and layering, the oil with high density is positioned in the oil storage tank 5, the wastewater with low relative density is positioned in the rotary drum 1, the stirring blades 101 rotate at the moment, and the wastewater in the rotary drum 1 moves synchronously under the driving of the stirring blades 101;
during the movement of the wastewater in the drum 1, under the action of centrifugal force, the wastewater exists in a mode of high edge and low center area, meanwhile, under the action of the stirring blades 101, an oil film which is supposed to be positioned in the center area above the wastewater moves outwards under the pushing of the stirring blades 101 and rises along with the wastewater at the outer side, the wastewater drives the oil film to move upwards in a gap between the drum 1 and the membrane dissolving tube 3 until the water surface of the wastewater at the outer side rises beyond the upper surface of the membrane dissolving tube 3, then the wastewater brings the oil film into the membrane dissolving tube 3, meanwhile, the water inlet pipe 2 continuously inputs the wastewater with oil into the drum 1, the oil inside the wastewater and the oil film are mutually dissolved, and further, the oil film on the surface of the wastewater is settled along with the oil film in the oil storage tank 5;
wherein the clearance between the inner wall below the rotary drum 1 and the outer wall below the membrane dissolving tube 3 is smaller, and the contact area between the waste water inside the rotary drum 1 and the oil in the connecting tube 4 is smaller when the waste water inside the rotary drum 1 moves, namely, the waste water inside the rotary drum 1 is difficult to transfer kinetic energy into the oil storage tank 5 during the movement, so that the oil in the oil storage tank 5 is kept in a standing state;
along with the continuous input of wastewater into the rotary drum 1 by the water inlet pipe 2, part of the wastewater passes through the filter plate 6 under the action of centrifugal force during rotation, when a gap exists between the input wastewater and the filtered water, the wastewater in the rotary drum 1 is continuously increased, the pressure of the wastewater to oil in the oil storage tank 5 is continuously increased, the connection position of the wastewater and the oil is enabled to be lowered, when the lowest end of the wastewater is lowered to the area where the capacitor plate 401 is located, a capacitor structure is formed between the capacitor plate 401 and the wastewater, wherein the material of the connecting pipe 4 is preferably ceramic, current is generated in a circuit connected with the capacitor plate 401, the filter generates an electric signal by judging whether the current exists in the circuit connected with the capacitor plate 401, then the filter transmits a control signal to a driving motor, the driving motor increases the rotation speed of the stirring blade 101, the centrifugal effect is increased by the stirring blade 101 after the rotation speed is increased, the wastewater filtering rate in the rotary drum 1 is increased, simultaneously under the centrifugal action, the pressure direction of the wastewater synchronously changes to the oil in the oil storage tank 5, and the connection position of the wastewater and the oil is raised until the connection position of the wastewater and the oil is located above the capacitor plate 401;
the lower end of the oil outlet pipe 501 is communicated with the lower end of the oil storage tank 5, so a U-shaped pipe structure is formed among the oil outlet pipe 501, the oil storage tank 5 and the connecting pipe 4, waste water exists above the oil storage tank 5, oil in the oil storage tank 5 leaves through the oil outlet pipe 501 under the pressure of the waste water until the oil at two ports of the oil outlet pipe 501 reaches balance, and the pressure of the waste water on the oil in the oil storage tank 5 cannot be continuously output through the oil outlet pipe 501;
the cleaning plates 8 are positioned at two sides of the filter plate 6, when the stirring blades 101 drive the filter plate 6 to synchronously move during rotation, namely, the filter plate 6 moves relatively to the cleaning plates 8, and when air flows through, the air flows from the outer side of the filter plate 6 to the inner side of the filter plate 6, namely, the movement direction of the air flows is opposite to the movement direction of wastewater;
the air flow input end is provided with a T-shaped pipe 9, three ports of the T-shaped pipe 9 are respectively connected with a filter screen, a water accumulation plate 7 and a cleaning plate 8 at the outer side of a filter plate 6, wherein the port of the T-shaped pipe 9 connected with the water accumulation plate 7 is positioned below the level of filtered condensed water, the cleaning plate 8 positioned at the inner side of the rotary drum 1 is connected with an air pump, the air pump can generate negative pressure in the cleaning plate 8 during operation, so that the air flow moves from the T-shaped pipe 9 to the side where the air pump is positioned, when the air flow moves in a horizontal section above the T-shaped pipe 9, the air flow passes through the high-speed air flow, so that the horizontal section above the T-shaped pipe 9 is in a low-pressure state, the condensed water on the water accumulation plate 7 rises through the vertical section of the T-shaped pipe 9 under the action of air pressure difference and contacts with the filter plate 6, and passes through the filter plate 6 in the subsequent process, the condensed water mixed with air impacts impurities inside the filter plate 6 and impurities attached to the inner wall surface of the filter plate 6, and then leaves under the action of the air flow, so that the filter plate 6 is cleaned synchronously during the filtration process, so that the filter plate 6 is always in an optimal filtering state is realized;
the filter screen is arranged in such a way that the air is kept in contact with the filter plate 6 in a pure way after entering the T-shaped pipe 9, so that the outer side surface of the filter plate 6 is prevented from being in contact with other impurities, and the filtered condensed water is prevented from being in contact with other impurities when leaving the filter plate 6;
the structure of the tee pipe 9 is that a horizontal section is arranged above the tee pipe 9, a vertical section is arranged in the middle of the tee pipe 9, when high air flow passes through the horizontal section, a low-pressure effect is generated, according to Bernoulli principle, air pressure of the horizontal section of the tee pipe 9 is lower than air pressure of the outer side of the tee pipe 9, air pressure difference between the inner side and the outer side of the tee pipe 9 pushes condensation water in the water accumulation tray 7 to move upwards in the vertical section of the tee pipe 9, then the condensation water is mixed at the joint of the horizontal section and the vertical section, air flow matched with water flow passes through the water flow so as to conveniently impact impurities in the filter plate 6 when passing through the filter plate 6, and the impurities after impact can leave the filter plate 6 under the driving of the water flow;
the annular pipe 11 is contacted with the cleaning plate 8 at the inner side of the filter plate 6 through a pipeline, and the joint of the pipeline and the cleaning plate 8 is positioned below the cleaning plate 8, so that water flow and air flow stay below the cleaning plate 8 under the action of gravity after the filter plate 6 is cleaned, and at the moment, wastewater with impurities can be discharged under the action of the pipeline and the air pump;
the outer wall surface of the cleaning plate 8 is obliquely arranged, so that when the wastewater in the rotary drum 1 moves, the influence of the outer wall of the cleaning plate 8 lower than the guide of the wastewater is minimum when the wastewater passes through the region where the cleaning plate 8 is positioned, and the wastewater can quickly contact the filter plate 6 again under the centrifugal effect after passing through the region where the cleaning plate 8 is positioned, so that a cavity is prevented from being formed between the filter plate 6 and the wastewater, and the filtering effect of the filter plate 6 is influenced;
the setting of the converging port 601, before the water flow containing air contacts with the filter plate 6, the water flow and the water flow passing through the cross section area are changed, so that the air flow and the water flow compensate the influence caused by small horizontal intervals of the reduced cross section in a mode of increasing the height when passing through the converging port 601, then the air flow and the water flow can cover the outer side surface of the filter plate 6 when leaving the converging port 601, the water flow contacting with the filter plate 6 above is avoided, the cleaning effect of the filter plate 6 above is poor, the preferential passing cross section of the converging port 601 is wider at the upper part and narrower at the lower part, and the influence of gravity on the water flow is reduced by changing the difference of the passing cross section of the converging port 601 in the vertical direction.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A circulating condensate filter, characterized in that: the condensate filter comprises a rotary drum (1), wherein inner walls at the upper end and the lower end of the rotary drum (1) are obliquely arranged, a water inlet pipe (2), a membrane dissolving pipe (3), a connecting pipe (4) and an oil storage tank (5) are sequentially arranged in the middle of the rotary drum (1) from top to bottom, and the rotary drum (1) is connected with the oil storage tank (5) through the connecting pipe (4);
the inside of rotary drum (1) is provided with stirring leaf (101), stirring leaf (101) are connected with driving motor, be provided with annular filter plate (6) on the inner wall of rotary drum (1), the top outer wall cross-section of dissolving membrane pipe (3) is the slope setting.
2. A recirculating condensate filter as claimed in claim 1, wherein: the upper inner wall of the rotary drum (1) is parallel to the upper outer wall of the membrane dissolving tube (3), the gap between the upper and lower inner walls of the rotary drum (1) and the upper and lower outer walls of the membrane dissolving tube (3) is smaller than the gap between other areas, the inner diameter of the middle part of the rotary drum (1) is larger than the inner diameter of the upper and lower ends of the rotary drum (1), the lower end surface of the connecting tube (4) coincides with the lower end surface of the rotary drum (1), and the interface of oil and condensed water is lower than the upper end surface of the connecting tube (4).
3. A recirculating condensate filter as claimed in claim 2, wherein: the connecting pipe (4) is internally provided with an annular capacitor plate (401), when the height of the condensed water is equal to that of the capacitor plate (401), a capacitor structure is formed between the capacitor plate (401) and the condensed water, the capacitor plate (401) is connected with a control system, and the control system is connected with a driving motor.
4. A recirculating condensate filter as claimed in claim 1, wherein: the outside of oil storage tank (5) is provided with out oil pipe (501), connecting pipe (4) are the ring form, the lower extreme of oil storage tank (5) is linked together with the lower extreme that goes out oil pipe (501), go out oil pipe (501) and be the slope setting.
5. A recirculating condensate filter as claimed in claim 1, wherein: the outside of rotary drum (1) is provided with ponding dish (7), the inside and outside both sides of filter plate (6) are provided with clearance board (8), both sides the position of clearance board (8) corresponds each other, filter plate (6) are connected with stirring leaf (101), clearance board (8) are static state relative filter plate (6), have the air current to pass through between clearance board (8), the air current direction of movement is opposite with the direction of crossing filter plate (6) when the condensate water filters.
6. A recirculating condensate filter as claimed in claim 1, wherein: a T-shaped pipe (9) is arranged on one side of a cleaning plate (8) positioned on the outer side of the filter plate (6), the lower end of the T-shaped pipe (9) is positioned above the water accumulation plate (7), and the lower end surface of the T-shaped pipe (9) is positioned below the water surface of the condensed water after being filtered on the water accumulation plate (7).
7. A recirculating condensate filter as claimed in claim 6, wherein: the cleaning plate comprises a cleaning plate (8) and a ring pipe (11) arranged on one side of the inner side of the filter plate (6), wherein the ring pipe (11) is communicated with the cleaning plate (8) arranged on the outer side of the filter plate (6), an air outlet pipe (1101) is arranged at one end of the ring pipe (11), an air pump is arranged in the air outlet pipe (1101), and a filter screen is arranged at the air inlet end of the T-shaped pipe (9).
8. A recirculating condensate filter as claimed in claim 7, wherein: the cleaning device is characterized in that the outer wall surface of a cleaning plate (8) positioned on the inner side of the filter plate (6) is obliquely arranged, a converging opening (601) is formed in one side, close to the filter plate (6), of the cleaning plate (8), the horizontal section of the converging opening (601) is in two opposite V shapes, and the passing section of the converging opening (601) is in a vertical long strip shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410046152.9A CN117547886B (en) | 2024-01-12 | 2024-01-12 | Circulating condensate filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410046152.9A CN117547886B (en) | 2024-01-12 | 2024-01-12 | Circulating condensate filter |
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| CN117547886B CN117547886B (en) | 2024-04-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058447A (en) * | 2013-01-24 | 2013-04-24 | 李性伟 | Integration device for separation and purification of oily sewage and sludge |
| CN103752072A (en) * | 2013-12-05 | 2014-04-30 | 镇江茂源环保科技有限公司 | Oil-water separation apparatus with automatic backwashing function |
| CN105174367A (en) * | 2015-08-18 | 2015-12-23 | 安徽星元环保科技有限公司 | Oil separating tank for stirring type oil-water separation |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058447A (en) * | 2013-01-24 | 2013-04-24 | 李性伟 | Integration device for separation and purification of oily sewage and sludge |
| CN103752072A (en) * | 2013-12-05 | 2014-04-30 | 镇江茂源环保科技有限公司 | Oil-water separation apparatus with automatic backwashing function |
| CN105174367A (en) * | 2015-08-18 | 2015-12-23 | 安徽星元环保科技有限公司 | Oil separating tank for stirring type oil-water separation |
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| CN117547886B (en) | 2024-04-19 |
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