CN202237508U - Differential-pressure energy-saving automatic blowdown device - Google Patents
Differential-pressure energy-saving automatic blowdown device Download PDFInfo
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- CN202237508U CN202237508U CN2011202758504U CN201120275850U CN202237508U CN 202237508 U CN202237508 U CN 202237508U CN 2011202758504 U CN2011202758504 U CN 2011202758504U CN 201120275850 U CN201120275850 U CN 201120275850U CN 202237508 U CN202237508 U CN 202237508U
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- valve
- recoil
- differential
- differential pressure
- blowdown
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Abstract
The utility model discloses a differential-pressure energy-saving automatic blowdown device, comprising a cylinder body and a filter screen cylinder, wherein a valve plate for an electric back-flushing diverter valve is arranged at the middle part of the filter screen cylinder; and an electric blowdown valve is arranged at the position of a blowdown port. The automatic sewage remover is further provided with a differential-pressure detection instrument and an electric control system. The differential-pressure energy-saving automatic blowdown device in the utility model is provided with a differential-pressure detection instrument connected between a water inlet and a water outlet, and the differential-pressure detection instrument can be used for directly displaying a differential-pressure value at both sides of a filter screen and is internally provided with an electric device, and therefore, differential-pressure constant value adjustment can be conveniently carried out. Two valves are connected with the differential-pressure detection instrument by an electric control system. Therefore, the back-flushing diverter valve is closed and the blowdown valve is opened so as to realize automatic blowdown if a differential pressure is increased to a preset upper limit value when the amount of sewage increases; and the blowdown valve is closed to stop blowdown if the differential pressure is decreased to a set lower limit value. The automatic blowdown device can rapidly drain the sewage according to metering data. All the sewage is discharged, and the sewage is rapidly discharged in time. The blowdown is stopped after the sewage is drained so as to save water and electric powers.
Description
Technical field
The utility model relates to a kind of filtration trash-removal device that is used for heat distribution pipeline circulations such as heat supply, refrigeration, relate in particular to a kind of can online detection debris accumulation situation and can in time get rid of the energy-conservation automatic dirt separator of differential pressure of dirt.
Background technology
In the circulation of heat supply and refrigeration industry,, filter dirt separator and constantly filter and remove dirt so must be equipped with because building waste, incrustation scale comes off or dregs depositions is produced dirt can blocking pipe even infringement water pumps.
The tradition dirt separator mainly contains the logical dirt separator in vertical angle, the logical y-type filter of horizontal straight-through dirt separator and angle.In practical application, various dirt separators respectively have pluses and minuses: the y-type filter overall volume is little, and filter body and filter screen are standard component, and buying is convenient, but its filter screen is easy to be stifled, and drag losses is big, and filter screen is very thin, damages easily; Vertical angle is logical or horizontal straight-through dirt separator is difficult stifled, and drag losses is little, but equipment volume is big, the production and processing difficulty.
But traditional dirt separator does not all have checkout equipment, can't know the accumulation of dirt in the pipeline, and people generally are at a distance from a period of time blowdown once, has dirtyly just can know after not having dirty, how many blowdowns of dirt.And when how and not dirt in time discharges, because its resistance must be wasted circulation pump power (circulation pump power is all very big) more greatly, take; Dirt is few to be discharged then wastes hot water when frequent.
The utility model content
Blowdown does not have metering to the utility model in the prior art, artificial blowdown overfrequency is wasted water and the problem of the untimely waste circulation pump power of artificial blowdown in order to solve, and provide a kind of can online detection dirt and can in time get rid of the energy-conservation automatic dirt separator of differential pressure of dirt.
The utility model is to address this problem the technical scheme of being taked to be:
The energy-conservation automatic dirt separator of the differential pressure of the utility model comprises that an end is provided with the cylindrical shell that water inlet, the other end are provided with delivery port and sewage draining exit, has the filtering net cylinder that is connected to sewage draining exit by water inlet in the cylindrical shell; The filtering net cylinder middle part is provided with the recoil water conservancy diversion valve plate of electronic recoil diaphragm valve, and the sewage draining exit place is provided with electronic blowoff valve.This automatic dirt separator also is equipped with differential pressure instrumentation and electric-control system.The malleation of differential pressure instrumentation enters the mouth and is connected to the inlet end of cylindrical shell through the malleation connecting pipe, and the malleation connecting pipe reaches in the filtering net cylinder, polishes with the filtering net cylinder inwall; The negative pressure of differential pressure instrumentation enters the mouth and is connected to the water outlet end of cylindrical shell through the negative pressure connecting pipe, and the negative pressure connecting pipe reaches in the cylindrical shell and polishes with cylinder inboard wall.Electronic blowoff valve is equipped with at the sewage draining exit place, and electronic recoil diaphragm valve and electronic blowoff valve are equipped with recoil valve motor and the blowoff valve motor driving force as the by-pass valve control switch respectively.
Described electronic recoil diaphragm valve is formed by connecting recoil water conservancy diversion valve plate and YE, and the water conservancy diversion valve plate that recoils is arranged in the filtering net cylinder, and YE is connected with the recoil valve motor, and the action that is opened or closed by the recoil valve motor-driven.
Be provided with recoil time control circuit KT1 in the described electric-control system; Under the blowdown state, if recoil water conservancy diversion valve plate is in closed condition, the water inlet that the differential pressure measuring instrument records and the differential pressure value of delivery port can remain high, and can not correctly reflect the discharge situation of dirt in the filtering net cylinder; The effect of KT1 is to control the recoil time, make recoil water conservancy diversion valve plate through some seconds close recoil automatically after, in time open; The differential pressure value that the differential pressure measuring instrument records is the actual differential pressure value of system of the continuous decline of dirt when being flushed away; And in time close valve by this signal controlling blowoff valve and end row.
Be provided with the overtime automatic alarm circuit KT2 of blowdown in the described electric-control system; After automatic pollution discharge begins, cross certain hour, the differential pressure value of water inlet and delivery port because of a variety of causes still greater than lower limit set value, and blowoff valve does not cut out automatically, it is unusual to be blowdown, the overtime warning device of blowdown can send sound and light alarm automatically.
As the operating voltage of the recoil valve motor of the driving force of by-pass valve control switch and blowoff valve motor for exchanging 380V, alternating current 220V or DC voltage.
Advantage and the good effect that the utlity model has are:
The energy-conservation automatic dirt separator of the differential pressure of the utility model is provided with the differential pressure instrumentation that is connected between water inlet and the delivery port; The differential pressure instrumentation can show the differential pressure value of (filter screen both sides) between the import and export intuitively; And in establish electric device, can carry out the differential pressure definite value easily and regulate.By electric-control system two valves and differential pressure measuring instrument are coupled together, when dirt increases differential pressure and increases to upper limit set value, close electronic recoil diaphragm valve automatically, open electronic blowoff valve, blowdown fast automatically automatically; Electronic recoil diaphragm valve is at first opened during blowdown, and differential pressure value descends, when arriving lower limit set value, electronic blowoff valve cuts out, and stops blowdown.Automatic dirt separator like this can be by the quick blowdown of continuous data: accomplish the operation of not influence of blowdown system, no dirt is not arranged, and dirty row is fast in time arranged, and in time ends after the blowdown and arranging.Economize on water, economize on electricity, save worry, laborsaving, quick, accurate, scientific and reasonable.
Description of drawings
Fig. 1 is the structural representation of the energy-conservation automatic dirt separator of differential pressure of the utility model;
Fig. 2 is the circuit theory diagrams of the automatic dirt separator electric-control system of the utility model;
Recoil valve motor of Fig. 3 the utility model and blowoff valve motor power partial circuit schematic diagram.
Critical piece symbol description in the accompanying drawing:
1: cylindrical shell 2: water inlet
3: filtering net cylinder 4: recoil water conservancy diversion valve plate
5: electronic blowoff valve 6: sewage draining exit
7: malleation connecting pipe 8: the differential pressure instrumentation
9: YE 10: the negative pressure connecting pipe
11: delivery port 12: the blowoff valve motor
13: the recoil valve motor
The specific embodiment
Followingly the utility model is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 1 is the structural representation of the energy-conservation automatic dirt separator of differential pressure of the utility model.The energy-conservation automatic dirt separator of the differential pressure of the utility model comprises that an end is provided with the cylindrical shell 1 that water inlet 2, the other end are provided with delivery port 11 and sewage draining exit 6, has the filtering net cylinder 3 that is connected to sewage draining exit 6 by water inlet 2 in the cylindrical shell 1.Be provided with recoil water conservancy diversion valve plate 4 in the middle of the filtering net cylinder 3; Recoil water conservancy diversion valve plate 4 is a circular steel plate, when closing, places in the filtering net cylinder along the radial line direction; Blocking-up also makes flowing to outside the screen pack in the filtering net cylinder; When opening, be shown in Figure 1 placing, the water in the filtering net cylinder is circulated smoothly along axis direction.Recoil water conservancy diversion valve plate 4 connects to form electronic recoil diaphragm valve with YE 9, and YE 9 control recoil water conservancy diversion valve plates 4 open or close.Sewage draining exit 6 places are provided with electronic blowoff valve 5.YE 9 is connected with blowoff valve motor 12 with the recoil valve motor 13 shown in Fig. 3 respectively with electronic blowoff valve 5 and by its driving.This automatic dirt separator also is provided with differential pressure instrumentation 8, and the malleation inlet of differential pressure instrumentation 8 is connected with water inlet 2 ends of cylindrical shell 1 through malleation connecting pipe 7, and malleation connecting pipe 7 passes cylindrical shell 1 and extends in the filtering net cylinder 3, polishes with net tube inwall; The negative pressure inlet of differential pressure instrumentation 8 is connected with the water outlet end 11 of cylindrical shell through negative pressure connecting pipe 10, and negative pressure connecting pipe 10 passes cylindrical shell 1 and polishes with cylinder inboard wall; Electronic blowoff valve 5 is equipped with at sewage draining exit 6 places, recoil diaphragm valve 9 and electronic blowoff valve 5 respectively with electric-control system in recoil valve motor 13 be connected with blowoff valve motor 12 and as driving force.
Electric-control system shown in Figure 2 links together blowoff valve motor 12 and recoil valve motor 13 and differential pressure instrumentation 8.Differential pressure instrumentation 8 can show the differential pressure value between the import and export intuitively, and in establish electric device, can carry out the differential pressure definite value easily and regulate.Also be provided with blowdown in the electric-control system and surpass certain hour, the acoustic-optic alarm that the differential pressure value of water inlet and delivery port is still just reported to the police greater than lower limit.
The course of work of the energy-conservation automatic dirt separator of differential pressure of the utility model is following:
Automatically at the beginning of the operation, when differential pressure value was lower than setting value, low normally-closed contact CYD was closed for differential pressure; KM2, KM4 energising; Electronic recoil diaphragm valve moves to out state, when electronic blowoff valve moves to closed condition, valve position interlocking contact BG2, BG4 break off respectively, KM2, KM4 outage.Electronic recoil diaphragm valve is in " opens that " state, electronic blowoff valve are in " pass " state.When being mixed in dirt shuttling movements such as incrustation scale in the pending water, dregs and being the filter dirt separator, be attached on the filtering net cylinder.Along with the accumulation of dirt, the mesh of filtering net cylinder is blocked gradually, and the differential pressure value between resistance increase, water inlet and the delivery port raises gradually.CYD is normally closed when being higher than the low setting value of differential pressure opens, and normal the switching closed.When differential pressure value further was raised to the upper limit set value of differential pressure instrumentation, upper limit contact CYG was closed, auxiliary reclay KA1 energising, the action of KA1 contact, KM1, KM3 energising, recoil time relay KT1 energising, the overtime alarm relay KT2 energising of blowdown.Electronic recoil diaphragm valve is closed, electronic blowoff valve is opened simultaneously; The water that flows into by the water inlet diaphragm valve plate resistance retaining that recoiled; From recoil diaphragm valve panel area outflow filter net tube;, after flowing in the filtering net cylinder again, the filtering net cylinder outside, discharges at recoil water conservancy diversion valve plate from rushing at the sewage draining exit of having opened in the other direction attached to the dirt on the mesh.The working time of recoil time KT1 generally has only several seconds to tens seconds, the KM3 outage then of recoil time, mistake! It is invalid to link.Adhesive, the recoil diaphragm valve is opened, and the differential pressure value that the differential pressure instrumentation records is the actual differential pressure value of system after dirt is flushed away.Along with the minimizing of dirt, the differential pressure value between water inlet and delivery port descends rapidly, when dropping to the lower limit set value of differential pressure instrumentation; Lower limit contact CYD moves once more, KT1, KT2, KM1, KM3 outage; KM4 is closed, electronic blowoff valve cuts out, and accomplishes and filters and the blowdown process.And begin the build up of dirt in next discharging cycle.
When differential pressure value is raised to upper limit set value again, repeat above process.
The dirt separator blowing time has only tens seconds to tens seconds (user can set up on their own as required).After the upper limit contact action beginning blowdown regular hour; If because of dirt stops up or other fault differential pressure value when not lowering, the overtime time of fire alarming relay K of blowdown T2 action makes the KA3 adhesive; Stop the blowdown process and send sound and light alarm simultaneously, in time search the reason service equipment by administrative staff.Administrative staff can press the SB5 key, eliminate and report to the police.
The design of the online detection dirt of the utility model is applicable to that vertical angle leads to the logical y-type filter in dirt separator, horizontal straight-through dirt separator and angle.The blowdown process of dirt separator has realized the full automation of blowdown by the control of differential pressure instrumentation.Accomplish that the blowdown flushing process does not influence system's operate as normal; No dirt is not arranged, and dirty in time quick row is arranged; In time end row fast after the blowdown.The dirt separator of operation is like this economized on water, economizes on electricity, is saved worry, laborsaving, quick, accurate, scientific and reasonable.
The above only is the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction; Though the utility model with preferred embodiment openly as above; Yet, be not in order to limiting the utility model, anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope; Certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, be the content that does not break away from the utility model technical scheme in every case;, all belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (5)
1. energy-conservation automatic dirt separator of differential pressure comprises that an end is provided with the cylindrical shell (1) that water inlet (2), the other end are provided with delivery port (11) and sewage draining exit (6), has the filtering net cylinder (3) that is connected to sewage draining exit by water inlet in the cylindrical shell (1); Filtering net cylinder (3) middle part is provided with the recoil water conservancy diversion valve plate (4) of electronic recoil diaphragm valve, and sewage draining exit (6) locates to be provided with electronic blowoff valve (5); It is characterized in that: this automatic dirt separator also is equipped with differential pressure instrumentation (8) and electric-control system; The malleation inlet of differential pressure instrumentation (8) is held through the water inlet (2) that malleation connecting pipe (7) is connected to cylindrical shell (1), and malleation connecting pipe (7) reaches in the filtering net cylinder (3), polishes with the filtering net cylinder inwall; The negative pressure inlet of differential pressure instrumentation (8) is held through the delivery port (11) that negative pressure connecting pipe (10) is connected to cylindrical shell (1), and negative pressure connecting pipe (10) reaches in the cylindrical shell (1) and polishes with cylindrical shell (1) inwall.Sewage draining exit (6) locates to be equipped with electronic blowoff valve (5), and electronic recoil diaphragm valve (9) and electronic blowoff valve (5) are equipped with recoil valve motor (13) and blowoff valve motor (12) driving force as the by-pass valve control switch respectively.
2. the energy-conservation automatic dirt separator of differential pressure according to claim 1; It is characterized in that: described electronic recoil diaphragm valve is formed by connecting recoil water conservancy diversion valve plate (4) and YE (9); Recoil water conservancy diversion valve plate (4) is arranged in the filtering net cylinder (3); YE (9) is connected with recoil valve motor (13), and control recoil water conservancy diversion valve plate (4) opens or closes.
3. the energy-conservation automatic dirt separator of differential pressure according to claim 1 is characterized in that: be provided with recoil time control circuit KT1 in the electric-control system.
4. the energy-conservation automatic dirt separator of differential pressure according to claim 1 is characterized in that: be provided with the overtime automatic alarm circuit KT2 of blowdown in the electric-control system.
5. the energy-conservation automatic dirt separator of differential pressure according to claim 1 is characterized in that: as the operating voltage of the recoil valve motor (13) of the driving force of by-pass valve control switch and blowoff valve motor (12) for exchanging 380V, alternating current 220V or DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202758504U CN202237508U (en) | 2011-08-01 | 2011-08-01 | Differential-pressure energy-saving automatic blowdown device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202758504U CN202237508U (en) | 2011-08-01 | 2011-08-01 | Differential-pressure energy-saving automatic blowdown device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202237508U true CN202237508U (en) | 2012-05-30 |
Family
ID=46098813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202758504U Expired - Fee Related CN202237508U (en) | 2011-08-01 | 2011-08-01 | Differential-pressure energy-saving automatic blowdown device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202237508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431215A (en) * | 2013-06-11 | 2016-03-23 | 博尔和柯基滤清器有限责任公司 | Backflushing filter and filter insert for the same |
| CN109999546A (en) * | 2019-03-25 | 2019-07-12 | 石河子大学 | A kind of turnover panel well strainer, filtration system and its application method |
| CN113209705A (en) * | 2020-08-25 | 2021-08-06 | 万江新能源集团有限公司 | Automatic filtering and pollution discharging device for screw unit |
-
2011
- 2011-08-01 CN CN2011202758504U patent/CN202237508U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431215A (en) * | 2013-06-11 | 2016-03-23 | 博尔和柯基滤清器有限责任公司 | Backflushing filter and filter insert for the same |
| CN105431215B (en) * | 2013-06-11 | 2017-06-16 | 博尔和柯基滤清器有限责任公司 | Backwash filter and the filter core for the backwash filter |
| CN109999546A (en) * | 2019-03-25 | 2019-07-12 | 石河子大学 | A kind of turnover panel well strainer, filtration system and its application method |
| CN113209705A (en) * | 2020-08-25 | 2021-08-06 | 万江新能源集团有限公司 | Automatic filtering and pollution discharging device for screw unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |