CN207734689U - The full-automatic straight flush filter of 24 cun of torpedo desanding net formulas - Google Patents

Abstract

The utility model discloses a kind of full-automatic straight flush filters of 24 cun of torpedo desanding net formulas, including tank body and conceptus strainer, tank body is equipped with water inlet, water outlet and sewage draining exit, porous partition board is set between water outlet and water inlet, each inlet opening of partition plate is equipped with ring seat, tank body is followed by the sealing plate with multiple sewage draining exits, the sewage draining exit of sealing plate all carries the cage of blowdown valve, conceptus strainer is just mounted in ring seat and cage, torpedo component both ends therein are respectively backwater head, meet water head, the headband that meets water has location wing, one end of filter screen is placed in face of flow direction, then the backwater head of torpedo component is put into filter screen, it is sleeved in cage, blowdown valve on cage, high pressure water intaking hole and low pressure water intaking hole are connected to the automatic control system including Electrical heads by water control pipe.The utility model realizes automatic cleaning function, and labor intensity is inefficient high, and structure simply saves material, and the big head loss of filter area is small, and the long blowdown water consumption of filtration time is few, also energy-saving and emission-reduction.

Description

The full-automatic straight flush filter of 24 cun of torpedo desanding net formulas

Technical field

The utility model belongs to industry and cun torpedo desanding net formula of agricultural water conservation filter device, especially 24 is automatically flung Wash filter.

Background technology

At present in the agricultural water-saving irrigation gradually promoted, the water quality requirement of domestic water etc. is relatively high, it is necessary in advance Impurity and silt in water are filtered out by filter, domestic water standard is blocked and reached to prevent drip irrigation zone.What tradition used Well strainer is automatic back flushing net type filter or Manual-cleaning well strainer, is had that monomer uses and used in parallel 's.Monomer Manual-cleaning well strainer such as filter screen blocks, and when flow is unsmooth, stops supplying water, is manually cleaned, influenced just Often operating.When manual recoil filter with washing screen used in parallel needs cleaning during the work time, a net formula can be first cut off Filter is backwashed, other well strainers work, successively manual backwashing in turn, can reduce inflow-rate of water turbine, is reduced Working efficiency, it is time-consuming.Although automatic back flushing net type filter can realize automatic cleaning strainer, due to all by several lists Body well strainer parallel combination forms, and component part is more, and volume is big, and excessively water-borne body is changeable, and head loss is big, corresponding power Plant capacity is big, and operating cost is high, and consumptive material is uneconomical, and backwashes and need filtered clean water, increases leaching requirement And its processing additional-energy.As a result, causing using undesirable, the superiority of water-saving irrigation technique does not embody well, promotes A series of problems, such as universal slow.

Invention content

The purpose of this utility model is to provide a kind of 24 cun of torpedo desanding net formulas automatically straight flush filter, it can be achieved that Automatic cleaning function, it is not necessary to be manually operated, labor intensity is low, efficient；In structure, the parallel combination structure of filter simplifies For monomer structure, simple volume saves material；The tank body of filter uses the more web forms of a tank, compared with one web form of a tank, Filter screen filtration area is increased, head loss is reduced, and a torpedo component is disposed in each filter screen, increases rinse flow Speed extends flushing cycle, shortens washing time, reduces rinse water consumption；Rinse water mode is changed to raw water by water purification backwash Straight douche saves and rinses additional-energy.Turn to what energy-saving and emission-reduction direction was developed the optimization of filter capability is opened one's minds The first step is stepped on road.

What the purpose of this utility model was realized in：A kind of full-automatic straight flush filter of 24 cun of torpedo desanding net formulas, The conceptus strainer installed including tank body and in tank body, it is characterized in that：Tank body is equipped with water inlet, water outlet and sewage draining exit, respectively It is built in before tank body, side and back, a stifled porous partition board is also set up between water outlet and water inlet, by tank interior It is divided into intake chamber and water purifying chamber, each inlet opening of water purification indoor partition panel is designed with ring seat, and tank body is followed by with multiple rows The sealing plate of dirty mouth, each sewage draining exit is covered with a cage with blowdown valve, on the sewage draining exit and partition plate on sealing plate Inlet opening is arranged face-to-face correspondingly, forms a front water, opposite drains, the tank body of side water outlet, conceptus strainer It is just mounted in the ring seat of partition plate and the cage with blowdown valve, realizes the more web forms of the one of tank body.

The conceptus strainer includes the torpedo component in filter screen and filter screen, and the filter screen carried is with 304L stainless steels For material, the cylindrical filter element of the reinforced measure of appearance.

The torpedo component is hollow cylinder shape made of a kind of wear-resistant plastic, and the preceding one end of torpedo component is streamline The hemispherical head that meets water of type has two pairs of location wings on the head that meets water, in location wing end proximity, along on torpedo component circumference 4 reflux holes equidistantly to be laid, the abdominal cavity of torpedo component is led to, one end is the planar backwater head of cross after torpedo component, by Four sides of backwater head are laid with certain length and gradient, four symmetrical water conservancy diversion along torpedo component axis direction Slot leads to torpedo component in diversion trench end proximity along 8 collection sand holes are equidistantly laid on torpedo component circumference Intraperitoneal, the head that meet water of torpedo component are placed in one end of filter screen by location wing to water (flow) direction, then torpedo component Backwater head is put into the other end of filter screen, is sleeved in the cage on sewage draining exit together with filter screen.

The low pressure water intaking hole on high pressure water intaking hole and water outlet side on blowdown valve, water inlet side on cage is logical The designated position for the automatic control system that water control pipe is connected to including Electrical heads is crossed, realizes drain contamination automatic control.

The operation principle of the utility model is：When entering intake chamber from the water inlet of tank body containing sandy water, by every Each inlet opening of wallboard enters between the filter screen and torpedo component of considering net into each conceptus, along filter screen axis to sewage draining exit side March forward, containing sandy water from the inner wall of filter screen enter flowed out from outer wall when, it is sandy, be attached on filter screen inner wall, it is clean Net water then exits into water purifying chamber from the outer wall of filter screen, and from the water outlet of tank body side out for；In the process, Conceptus considers the mainstream advanced to sewage draining exit direction along filter screen axis in net, is reduced with the increase of traveling displacement, is a kind of The axial gradual change stream mode advanced, radially gushed out, so, axial flow velocity also has corresponding variation of successively decreasing, because in filter screen, leaning on The axial flow velocity of water inlet bore region is big and enlivens, and also forms running water area, and the axial flow velocity by sewage draining exit region is relatively small, attached It and is just elapsed to the relatively small region of axial flow velocity by axial mainstream in the sandy of filter screen inner wall, over time, squeezed It is pressed onto the sandy savings in the region, naturally, the sandy also just aggregation on filter screen inner wall, filter screen outer wall outflow is close to be stagnated State also forms slough；The torpedo component of institute's band has collection sand hole, reflux hole in filter screen, big in axial flow velocity respectively Running water area and the smaller slough range of axial flow velocity, due to being inversely proportional flow velocity and pressure, the collection sand hole in slough Pressure difference is easily formed between the reflux hole in running water area, i.e. reflux hole surface pressure difference is more relatively small than collection sand hole surface pressure difference, this pressure difference The intraperitoneal of torpedo component is always affected, intraperitoneal flow is under the influence of the pressure difference, just from the backwater head of torpedo component It is moved to the direction that meets water of torpedo component, just from the axial mainstream that reflux hole gushes out running water area, by axial mainstream It drops down, is returned to slough and enters collection sand hole, to also form flow partial circulating inside and outside torpedo component, in the process, The major part of axial the be expressed to slough of mainstream is sandy to be entered by collecting sand hole into torpedo component under the action of flow partial circulating Abdominal cavity, relatively large just heavy of sandy middle particle stay in it is intraperitoneal, it is small then under the carrying of flow partial circulating again from reflux hole Gush out in running water area axial direction mainstream, being expressed to slough together with the folder sand in axial mainstream continues to be adsorbed in filter screen Wall or enter is stayed into collection sand hole is heavy, and the coverage of slough is gradually expanded to running water area direction, is influenced close to running water area torrent Range encounters the effect of mainstream scouring force, and the sandy disengaging of considerable part for being adsorbed on filter screen inner wall, slough range is forced to move back Afterwards, the corresponding filter area of filter screen is also replied therewith；This continuity process in cycles, when being also conducive to extend filtering Between, blowing period.However with the continuity of run time, the sandy concentration within the scope of slough rises, and running water area degenerates, slough Gradual dominance is drawn out, inflow-rate of water turbine fails therewith with this corresponding axial flow velocity, and exocoel generates certain pressure difference in filter screen, When pressure difference reaches preset value, information is passed to controller by the differential pressure pickup in automatic control system, at this time controller Electrical heads will be started according to instruction, the blowdown valve on sewage draining exit cage is opened, at this point, the part water of filter screen outer wall is by wink When pressure difference reflux enter filter screen inner wall, force and be adsorbed on the sandy of inner wall and fall off, and by torpedo component and filter screen it Between be formed by high speed scouring force and be flushed to outgoing, at the same time, part high-velocity flow enters reflux hole and carries torpedo component abdominal cavity It is interior sink stay it is sandy from the husky hole of collection gush out with other it is sandy be flushed to together it is outgoing, when washing time reaches preset value, control Device instruction Electrical heads processed close blowdown valve, terminate blowdown process, filter enters normal operating conditions.Blowdown process, uses The straight backwashing manner of high-velocity flow shortens scavenging period, reduces blowdown water consumption；And just by pending raw water and less high Hydraulic pressure can also be rinsed well, and flushing pollution discharge additional-energy is also saved, and not influence the normal work of irrigation or water treatment system but；Row The method of dirt control can be diversification, and electric-control board can meet various requirement：Controllable pressure difference, time and mixed pattern carry out clear Wash, and have the function of remember wash number, method and it is many other.In short, turning the optimization of filter capability is opened one's minds The first step is stepped on the road developed to energy-saving and emission-reduction direction.

Description of the drawings

Below in conjunction with attached drawing, the utility model is described in further detail.

Fig. 1 is the utility model internal structure schematic diagram, and Fig. 2 is that the utility model conceptus considers net internal structure schematic diagram.

Specific implementation mode

A kind of 24 cun of torpedo desanding net formulas automatically straight flush filter, such as Fig. 1-2,1- tank bodies；2- conceptus strainers, 3- into The mouth of a river；4- water outlets；5- sewage draining exits；6- partition plates；7- intake chambers；8- water purifying chamber；The inlet openings 9-；10- ring seats；11- sealing plates； 12- blowdown valves；13- water control pipes；14- cages；15- torpedo components；16- meets water head；17- location wings；18- reflux hole；19- abdomens Chamber；20- backwater heads；21- diversion trenches；22- collection sand holes；23- high pressures water intaking hole；24- low pressure water intaking hole；25- Electrical heads；26- is certainly Autocontrol system；27- running water area；The sloughs 28-；29- filter screens；The conceptus strainer installed including tank body and in tank body, It is characterized in：Tank body is equipped with water inlet, water outlet and sewage draining exit, is built in before tank body respectively, side and back, water outlet with A stifled porous partition board is also set up between water inlet, and tank interior is divided into intake chamber and water purifying chamber, water purification indoor partition panel Each inlet opening is designed with ring seat, and tank body is followed by the sealing plate with multiple sewage draining exits, and each sewage draining exit is with one with row The cage of dirty valve covers, and the inlet opening on sewage draining exit and partition plate on sealing plate is arranged face-to-face correspondingly, forms one The tank body that front water, opposite draining, side are discharged, conceptus strainer are just mounted on the ring seat of partition plate and the lid with blowdown valve In seat, the more web forms of the one of tank body are realized；The conceptus strainer includes the torpedo component in filter screen and filter screen, wherein Filter screen using 304L stainless steels as material, the cylindrical filter element of the reinforced measure of appearance；The torpedo component is Hollow cylinder shape made of a kind of wear-resistant plastic, the preceding one end of torpedo component are the streamlined hemispherical head that meets water, and meet water head On have two pairs of location wings, led in location wing end proximity along 4 reflux holes are equidistantly laid on torpedo component circumference The abdominal cavity of torpedo component, one end is the planar backwater head of cross after torpedo component, by four sides of backwater head along torpedo Component axes direction is laid with certain length and gradient, four symmetrical diversion trenches, on diversion trench end proximity, edge It and is equidistantly laid with 8 collection sand holes on torpedo component circumference, lead to the intraperitoneal of torpedo component, the head that meet water of torpedo component To water (flow) direction, one end of filter screen is placed in by location wing, then the backwater head of torpedo component is put into filter screen, with filtering Net is sleeved on together in the cage on sewage draining exit；High pressure water intaking hole on blowdown valve, water inlet side on cage and water outlet Low pressure water intaking hole on mouth side is connected to the automatic control system designated position including Electrical heads by water control pipe, realizes Drain contamination automatic control.

The operation principle of the utility model is：When entering intake chamber from the water inlet of tank body containing sandy water, by every Each inlet opening of wallboard enters between the filter screen and torpedo component of considering net into each conceptus, along filter screen axis to sewage draining exit side March forward, containing sandy water from the inner wall of filter screen enter flowed out from outer wall when, it is sandy, be attached on filter screen inner wall, it is clean Net water then exits into water purifying chamber from the outer wall of filter screen, and from the water outlet of tank body side out for；In the process, Conceptus considers the mainstream advanced to sewage draining exit direction along filter screen axis in net, is reduced with the increase of traveling displacement, is a kind of The axial gradual change stream mode advanced, radially gushed out, so, axial flow velocity also has corresponding variation of successively decreasing, as a result, in filter screen Axial flow velocity by bore region of intaking enlivens greatly, also forms running water area, and the axial flow velocity by sewage draining exit region is relatively small, therefore The sandy of filter screen inner wall is attached to just to be elapsed to the relatively small region of axial flow velocity by axial mainstream, over time, It is expressed to the sandy savings in the region, naturally, the sandy also just aggregation on filter screen inner wall, filter screen outer wall outflow is close to stop Stagnant state, also forms slough；The torpedo component of institute's band has collection sand hole, reflux hole in filter screen, big in axial flow velocity respectively Running water area and the smaller slough range of axial flow velocity, due to being inversely proportional flow velocity and pressure, the collection sand in slough Pressure difference is easily formed between hole and the reflux hole in running water area, i.e. reflux hole surface pressure difference is more relatively small than collection sand hole surface pressure difference, this pressure Difference always affects the intraperitoneal of torpedo component, and intraperitoneal flow is under the influence of the pressure difference, just from the backwater of torpedo component Head is moved to the direction that meets water of torpedo component, and from the axial mainstream that reflux hole gushes out running water area, by axial mainstream Dropping under, be returned to slough and enter collection sand hole, to also forming flow partial circulating inside and outside torpedo component, in this process In, the major part of axial the be expressed to slough of mainstream is sandy to be entered by collecting sand hole into torpedo portion under the action of flow partial circulating The abdominal cavity of part, relatively large just heavy of sandy middle particle stay in it is intraperitoneal, it is small then under the carrying of flow partial circulating again from reflux Hole gushes out in running water area axial direction mainstream, and being expressed to slough together with the folder sand in axial mainstream continues to be adsorbed on filter screen Inner wall or enter is stayed into collection sand hole is heavy, the coverage of slough is gradually expanded to running water area direction, close to running water area torrent shadow The effect that range encounters mainstream scouring force is rung, the sandy disengaging of considerable part for being adsorbed on filter screen inner wall, slough range are forced Also it correspondingly steps back, the corresponding filter area of filter screen is also replied therewith；This continuity process in cycles is also conducive to prolong Long filtration time, blowing period.However with the continuity of run time, the sandy concentration within the scope of slough rises, and running water area is moved back Change, gradual dominance is drawn out in slough, and inflow-rate of water turbine fails therewith with this corresponding axial flow velocity, and exocoel generates one in filter screen Fixed pressure difference, when pressure difference reaches preset value, information is passed to controller by the differential pressure pickup in automatic control system, this When controller will start Electrical heads according to instruction, the blowdown valve on sewage draining exit cage is opened, at this point, the part of filter screen outer wall Water enters filter screen inner wall by pressure difference reflux, forces and is adsorbed on the sandy of inner wall and falls off, and relies on torpedo component and filter screen Between be formed by high speed scouring force be flushed to it is outgoing, at the same time, part high-velocity flow enter reflux hole carry torpedo component abdomen Intracavitary sink stay it is sandy from the husky hole of collection gush out with other it is sandy be flushed to together it is outgoing, when washing time reaches preset value, Controller instructs Electrical heads to close blowdown valve, terminates blowdown process, and filter enters normal operating conditions.Blowdown process uses High-velocity flow straight backwashing manner shortens scavenging period, reduces blowdown water consumption；And just by pending raw water and less high Hydraulic pressure can also rinse well, also save flushing pollution discharge additional-energy, do not influence but irrigate or water treatment system normal work； The method of blowdown control can be diversification, and electric-control board can meet various requirement：Controllable pressure difference, time and mixed pattern carry out Cleaning, and have the function of memory wash number, method and it is many other.

The utility model is, it can be achieved that automatic cleaning function, it is not necessary to be manually operated, labor intensity is low, efficient；In structure, The parallel combination structure of filter, is reduced to monomer structure, and simple volume saves material；The tank body of filter is more using a tank Web form increases filter screen filtration area compared with one web form of a tank, reduces head loss, and peace in each filter screen A torpedo component is set, irrigation flow rate is increased, extends flushing cycle, shortens washing time, reduces rinse water consumption；Rinse water Mode is changed to the straight douche of raw water by water purification backwash method, saves and rinse additional-energy.In short, the excellent of filter capability Change to open one's minds to turn to and steps the first step on the road that energy-saving and emission-reduction direction is developed.

Claims (4)

1. a kind of full-automatic straight flush filter of 24 cun of torpedo desanding net formulas, including tank body and the conceptus filter installed in tank body Net, it is characterized in that：Tank body is equipped with water inlet, water outlet and sewage draining exit, is built in before tank body, side and back, is going out respectively Also set up a stifled porous partition board between the mouth of a river and water inlet, tank interior be divided into intake chamber and water purifying chamber, in water purifying chamber every Each inlet opening of wallboard is designed with ring seat, and tank body is followed by the sealing plate with multiple sewage draining exits, and each sewage draining exit is with one Cage with blowdown valve covers, and the inlet opening on sewage draining exit and partition plate on sealing plate is arranged face-to-face correspondingly, shape As soon as at a front water, the tank body of opposite draining, side water outlet, conceptus strainer is mounted on the ring seat of partition plate and carries blowdown In the cage of valve, the more web forms of the one of tank body are realized.

2. the full-automatic straight flush filter of 24 cun of torpedoes desanding net formula according to claim 1, it is characterized in that：Described is pregnant Body strainer includes the torpedo component in filter screen and filter screen, and filter screen therein is using 304L stainless steels as material, appearance warp The cylindrical filter element of reinforcement measure.

3. the full-automatic straight flush filter of 24 cun of torpedoes desanding net formula according to claim 1, it is characterized in that：The fish Thunder component is hollow cylinder shape made of a kind of wear-resistant plastic, and the preceding one end of torpedo component is streamlined hemispherical meets water Head has two pairs of location wings on the head that meets water, anti-along equidistantly laying 4 on torpedo component circumference in location wing end proximity Discharge orifice leads to the abdominal cavity of torpedo component, and one end is the planar backwater head of cross after torpedo component, by four sides of backwater head It is laid with certain length and gradient, four symmetrical diversion trenches, in diversion trench end along torpedo component axis direction Proximity leads to the intraperitoneal of torpedo component, torpedo component along 8 collection sand holes are equidistantly laid on torpedo component circumference The head that meet water to water (flow) direction, one end of filter screen is placed in by location wing, then the backwater head of torpedo component is put into filtering In net, it is sleeved in the cage on sewage draining exit together with filter screen.

4. the full-automatic straight flush filter of 24 cun of torpedoes desanding net formula according to claim 1, it is characterized in that：On cage The low pressure water intaking hole on high pressure water intaking hole and water outlet side on blowdown valve, water inlet side is separately connected by water control pipe Drain contamination automatic control is realized in automatic control system designated position including Electrical heads.