CN109738276A - A kind of backwash filter Withstand test device and test method - Google Patents
A kind of backwash filter Withstand test device and test method Download PDFInfo
- Publication number
- CN109738276A CN109738276A CN201910128187.6A CN201910128187A CN109738276A CN 109738276 A CN109738276 A CN 109738276A CN 201910128187 A CN201910128187 A CN 201910128187A CN 109738276 A CN109738276 A CN 109738276A
- Authority
- CN
- China
- Prior art keywords
- water
- pressure
- solenoid valve
- electromagnetic valve
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a kind of backwash filter Withstand test device and test methods, the experimental rig includes water tank, the water injecting pipeline of parallel arrangement is connected with water outlet of water tank, suppresses pipeline and pressure relief pipe, and water injecting electromagnetic valve I, centrifugal pump and water injecting electromagnetic valve II are equipped in water injecting pipeline；Water injecting electromagnetic valve II is connected to the filter pipe connection far from centrifugal pump one end, pressure gauge and pressure sensor are installed in filter connecting tube, suppression of machine structure is equipped in suppress pipe road, safety valve is equipped in pressure relief pipe, the discharge pipe line being connected to water injecting pipeline includes the draining branch I and with water injecting electromagnetic valve I and centrifugal pump in parallel draining branch II in parallel with centrifugal pump and water injecting electromagnetic valve II.Pressure test is carried out to backwash filter using above-mentioned experimental rig, backwash filter can be filled the water, be suppressed, the sequence of operations such as release and draining, overall structure is simple, convenient for operation and test, and the repetitive cycling for being able to achieve water uses, and saves cost.
Description
Technical field
The present invention relates to the pressure test technical fields of product, more particularly, to a kind of recoil used in water treatment field
Wash filter Withstand test device and test method.
Background technique
Backwash filter is to enter water to be filtered by entrance, flows through strainer, and it is needed to enter user by outlet
The device of pipeline progress process cycles.Currently, backwash filter has been widely used for the row such as power plant, ocean, petrochemical industry
Industry.By the work requirements of backwash filter it is found that the sealing performance and bearing capacity of backwash filter directly determine to recoil
The quality of the working performance of filter is washed, and judges that the pressure-resistant performance of backwash filter (mainly includes sealing performance and pressure-bearing
Ability) it is general using the test method suppressed to equipment water filling.But the pressure test of backwash filter in the prior art
There are the following problems: (1) water filling of backwash filter, suppress, pressure maintaining, pressure release and draining are both needed to individually carry out operation,
It completes entire pressure test to take a long time, generally in 2h or so, especially carries out pressure resistance to the biggish backwash filter of tonnage
It when experimental test, then takes more time, seriously affects normal working efficiency；(2) used in backwash filter is suppressed
Water cannot be recycled, waste water resource；(3) it when pressure maintaining, need to manually be recorded, be likely to result in certain error in reading.
Summary of the invention
For above-mentioned problems of the prior art, primary and foremost purpose of the invention is to provide a kind of pair of backwash filter
The device for carrying out pressure test, can automatically fill the water filter, be suppressed, the experimental rig of pressure maintaining, release and draining.
Another object of the present invention is the method tested using above-mentioned Withstand test device backwash filter.
To achieve the goals above, the first aspect of the present invention provides a kind of backwash filter Withstand test device,
The experimental rig includes water tank, is connected with water injecting pipeline with water outlet of water tank, be successively arranged in water injecting pipeline water injecting electromagnetic valve I,
The centrifugal pump and water injecting electromagnetic valve II being used to provide power；Water injecting electromagnetic valve II is connected to the filter pipe far from centrifugal pump one end
One end is connected, and the other end of filter connecting tube is equipped in filter connecting tube and is used for for installing backwash filter
Measure the pressure gauge and pressure sensor of backwash filter pressure；
Pipeline is suppressed with water injecting pipeline parallel arrangement, suppresses the stamper being equipped in pipeline for suppressing to backwash filter
Structure and solenoid valve is suppressed positioned at suppression of machine structure outlet side；
It is in parallel with water injecting pipeline to there also is provided pressure relief pipe, it is equipped in pressure relief pipe for guaranteeing the normal pressure release of backwash filter
Safety valve and pressure release electromagnetic valve, the safety valve close to water tank side be arranged；
It is communicated with discharge pipe line with water injecting pipeline, discharge pipe line includes the draining branch in parallel with centrifugal pump and water injecting electromagnetic valve II
The I and draining branch II in parallel with water injecting electromagnetic valve I and centrifugal pump；Drain solenoid valve I is provided in draining branch I；Draining
Drain solenoid valve II is provided in branch II；Water in backwash filter flows through draining branch I, centrifugal pump and draining branch II
The draining of backwash filter is carried out to water tank.
Further, further include control device, the control device respectively with pressure sensor, each solenoid valve, centrifugal pump
It is electrically connected with suppression of machine structure；Control device records the pressure value in pipeline by receiving the signal of pressure sensor in real time；Control
The preset pressure value of each solenoid valve stored in the pressure value and control device that device is measured by comparing pressure sensor with
The opening and closing of each solenoid valve, suppression of machine structure and centrifugal pump in control piper.
Further, control device control simultaneously water injecting electromagnetic valve I and water injecting electromagnetic valve II or drain solenoid valve I and
The on-off of drain solenoid valve II, and the opening and closing of centrifugal pump is controlled, transport centrifugal pump in the state that two solenoid valves open simultaneously
Turn；Control device controls the opening and closing for suppressing solenoid valve and suppression of machine structure simultaneously.
Further, the water tank lower part is equipped with and is connect with water tank dewatering outlet to control the discharging valve to discharge water.
The second aspect of the present invention provides the side for carrying out pressure test to backwash filter using Withstand test device
Method mainly comprises the steps that
(1), the injecting process: the free end of the filter connecting tube of backwash filter and Withstand test device is connected, and is closed
Drain solenoid valve I, drain solenoid valve II and solenoid valve is suppressed, opens water injecting electromagnetic valve I, water injecting electromagnetic valve II and backwash filter
Exhaust valve on device, starts centrifugal pump, and the water in water tank flows through water injecting electromagnetic valve I, centrifugal pump and water injecting electromagnetic valve II and enters instead
Flush filter fills the water backwash filter；
(2), it suppresses process: after the completion of the injecting process, closing pressure release electromagnetic valve, drain solenoid valve I, drain solenoid valve II, water filling
Electromagnetic valve I and water injecting electromagnetic valve II close the exhaust valve on backwash filter, suppress solenoid valve, start suppression of machine structure,
Water in water tank suppresses it after solenoid valve enters backwash filter by suppression of machine structure and suppressing, and works as pressure sensor
When the pressure value detected reaches the setup pressure value of backwash filter pressure test, closes suppression of machine structure and suppress electromagnetism
Valve suppresses completion, carries out pressure maintaining to backwash filter according still further to the dwell time of setting；
(3), after reaching the dwell time of setting, drain solenoid valve I, water injecting electromagnetic valve I, water filling electromagnetism pressure leak process: are closed
Valve II, drain solenoid valve II, solenoid valve is suppressed, opens the exhaust valve of pressure release electromagnetic valve and backwash filter, makes backwashed
Water in filter enters in water tank the pressure release for carrying out backwash filter by pressure release electromagnetic valve and safety valve；
(4), drainage procedure: after the completion of pressure release, pressure release electromagnetic valve, water injecting electromagnetic valve I, water injecting electromagnetic valve II is closed and suppresses electromagnetism
Valve opens drain solenoid valve I and drain solenoid valve II, starts centrifugal pump, and the water in backwash filter is made to pass through draining electromagnetism
Valve I, centrifugal pump and drain solenoid valve II enter water tank；When the pressure value of pressure sensor is less than zero, centrifugal pump, row are closed
Water solenoid valve I and drain solenoid valve II, that is, complete the draining of backwash filter.
Further, in step (1), before starting water filling, by pressure release electromagnetic valve and water injecting electromagnetic valve I, water injecting electromagnetic valve
II opens simultaneously pressure to keep high-water-cut stage extra and water energy is enough is discharged from pressure relief pipe.
Further, in step (2), when just starting to suppress, the working method of suppression of machine structure is continuous starting；When pressure passes
The numerical value of sensor close to backwash filter pressure test setup pressure value when, the working method of suppression of machine structure is crawl, directly
Terminate to suppressing.
By adopting the above technical scheme, a kind of backwash filter Withstand test device of the invention and test method, have
Below the utility model has the advantages that
(1) Withstand test device by setting water tank, water injecting pipeline, suppress pipeline, pressure relief pipe and discharge pipe line, it can be achieved that
The automatic water filling of backwash filter can be met by the Withstand test device, suppressed, pressure maintaining, pressure release and drain function；Contracting
The short activity duration of backwash filter bulge test, improve the detection efficiency of backwash filter.
(2) Withstand test device realizes water filling and the drain function of backwash filter using a centrifugal pump simultaneously,
It is compact-sized, save cost.
(3) safety valve is arranged in the Withstand test device on pressure relief pipe, and the effect of safety valve is first is that can guarantee to recoil
The safety of filter water inlet process is washed, i.e., safety valve can automatically open in the injecting process, make extra pressure and water from first
Solenoid valve and safety valve discharge；The effect of safety valve is second is that safety valve can cooperate pressure relief pipe to carry out letting out for backwash filter
Press through journey.
(4) suppression of machine structure or centrifugal pump occur flowing backward damage in non-use process in order to prevent, in suppression of machine structure and mistake
Solenoid valve is respectively provided between filter installing pipe, between centrifugal pump and filter installing pipe to guarantee the safety of device.
(5) the Withstand test device overall structure is simple, and convenient for operation and test, manufacturing cost is lower, and is able to achieve water
Repetitive cycling use, save cost.
Further specific detailed description is done to the present invention below with reference to embodiment the drawings and specific embodiments.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram of backwash filter Withstand test device；
Fig. 2 is the schematic diagram of backwash filter Withstand test device；
Fig. 3 is the injecting process schematic diagram in back purge system pressure test；
Fig. 4 is to suppress process schematic in back purge system pressure test；
Fig. 5 is the pressure leak process schematic diagram in back purge system pressure test；
Fig. 6 is the drainage procedure schematic diagram in back purge system pressure test.
Marked in the figure: 1, water tank, 2, safety valve, 3, pressure release electromagnetic valve, 4, water injecting electromagnetic valve I, 5, drain solenoid valve I, 6,
Centrifugal pump, 7, water injecting electromagnetic valve II, 8, drain solenoid valve II, 9, suppression of machine structure, 10, suppress solenoid valve, 11, pressure sensor,
12, pressure gauge, 13, control device, 14, filter connecting tube, 15, pressure relief pipe, 16, draining branch I, 17, water injecting pipeline,
18, branch II is drained, 19, suppress pipeline, 20, discharging valve.
Specific embodiment
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged；For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.The present invention is described in further detail with reference to the accompanying drawings and examples.
Unless otherwise instructed, each solenoid valve used in the present invention selects resistance to pressure electromagnetic valve, and bearing capacity is greater than 1.5
The resistance to pressure pressure of backwash filter again.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 show the schematic diagram of the Withstand test device of backwash filter；Fig. 2 is shown
The schematic diagram of the Withstand test device of backwash filter.
Backwash filter Withstand test device includes water tank 1, is connected with water injecting pipeline 17 with 1 water outlet of water tank, water filling
Water injecting electromagnetic valve I 4, the centrifugal pump being used to provide power 6 and water injecting electromagnetic valve II 7 are successively arranged in pipeline 17；Fill the water electromagnetism
Valve II 7 is connected far from one end that 6 one end of centrifugal pump is connected to the filter pipe 14, and the other end of filter connecting tube 14 is used for
Backwash filter is installed.
Wherein, water tank 1 and centrifugal pump 6 are both secured on bottom plate, and are reinforced with gusset water tank 1；The outer wall of water tank 1
It is symmetrically arranged with the lifting lug for being moved easily Withstand test device, it is of course also possible to be symmetrical arranged wheel in the lower part of bottom plate with convenient
It is mobile.1 side lowest part of water tank is provided with dewatering outlet, is equipped with discharging valve 20 in dewatering outlet to carry out the replacement of Water in Water Tanks,
Wherein, discharging valve 20 is motor-driven valve or hand-operated valve.
For convenience of measurement and observing system suppress with pressure value when pressure maintaining, pressure is installed in filter connecting tube 14
Power table 12(pressure gauge 12 is qualified through verification, and can be used under vacuum) and pressure sensor 11(it is equal under positive pressure and negative pressure
Can work normally), wherein pressure gauge 12 can intuitively observe the pressure in pipeline, and the sensing probe of pressure sensor 11 protrudes into
Actual pressure value is tested in filter connecting tube 14, and pressure sensor 11 is connected with control device 13, it can real-time monitoring
Pressure value.
Pipeline 19 is suppressed with the parallel arrangement of water injecting pipeline 17, suppresses on pipeline 19 and is equipped with for backwash filter
The suppression of machine structure 9 suppressed and solenoid valve 10 is suppressed positioned at 9 outlet side of suppression of machine structure.Wherein, the suppression of machine structure 9 in the present invention is excellent
Electronic suppression of machine structure, such as pressure pump are selected, Withstand test device, which is additionally provided with, provides the motor of power for suppression of machine structure 9.
It is in parallel with water injecting pipeline 17 to there also is provided pressure relief pipe 15, it is equipped in pressure relief pipe 15 for guaranteeing backwash filter
The safety valve 2 and pressure release electromagnetic valve 3 of the normal pressure release of device, the safety valve 2 are arranged close to 1 side of water tank.The peace selected in the present invention
The authorized pressure value of full valve 2 is equal to the general pressure value of pipeline, and (the general pressure value for the pipeline selected in production practices is
0.2MPa), i.e., when the pressure in pipeline is greater than the authorized pressure value of safety valve 2, safety valve 2 can automatically open discharge water outward
So that the pressure in pipeline is lower than the authorized pressure value of safety valve 2, guarantee the safety of device.
It is communicated with discharge pipe line with water injecting pipeline 17, discharge pipe line includes in parallel with centrifugal pump 6 and water injecting electromagnetic valve II 7
The draining branch I 16 and draining branch II 18 in parallel with water injecting electromagnetic valve I4 and centrifugal pump 6；It is set in draining branch I 16
It is equipped with drain solenoid valve I 5；Drain solenoid valve II 8 is provided in draining branch II 18；Water in backwash filter flows through
Draining branch I 16, centrifugal pump 6 and draining branch II 18 carry out the draining of backwash filter to water tank 1.
Suppression of machine structure or centrifugal pump occur flowing backward damage in non-use process in order to prevent, in suppression of machine structure 9 and filtering
The drain solenoid valve II 7 being arranged between solenoid valve 10, centrifugal pump 6 and filter installing pipe 14 is suppressed between device installing pipe 14
To guarantee the safety of device.
Further, further include control device 13, the control device 13 respectively with pressure sensor 11, each solenoid valve,
Centrifugal pump 6 and suppression of machine structure 9 are electrically connected；Control device 13 is recorded in pipeline in real time by receiving the signal of pressure sensor 11
The pressure value of (pressure value in pipeline is equal with the pressure value in backwash filter)；Control device 13 is passed by comparing pressure
The pressure value of the measurement of sensor 11 and the preset pressure value of each solenoid valve of storage in control device 13 are with each in control piper
The opening and closing of solenoid valve, suppression of machine structure 9 and centrifugal pump 6.
Wherein, control device 13, which need to control, is only suppressing the case where solenoid valve 10 is opened, and could start suppression of machine structure 9；
Solenoid valve 10 is suppressed if being not turned on, suppression of machine structure 9 can not be started, to ensure the stable and reliable in work of suppression of machine structure 9.
Wherein, control device 13 controls water injecting electromagnetic valve I 4 and water injecting electromagnetic valve II 7 or drain solenoid valve I5 simultaneously
With the on-off of drain solenoid valve II 8, and the opening and closing of centrifugal pump 6 is controlled, the shape for opening simultaneously centrifugal pump 6 in two solenoid valves
It is operated under state；To ensure the stable and reliable in work of centrifugal pump 6.Being specifically configured to for the control device 13 used in the present invention is known
Technology, details are not described herein.
Preparation before carrying out backwash filter pressure test: it is backwashed when using above-mentioned Withstand test device
When the pressure test of filter, first by the outlet end of backwash filter Withstand test device (i.e. filter connecting tube 14 go out
Mouth end or free end) it is connected to backwash filter, pressure gauge 12 and pressure are installed on the pressure tappings of filter connecting tube 14
Sensor 11.
Backwash filter Withstand test device include fill the water, suppress, pressure maintaining, the functions such as pressure release and draining.Please refer to Fig. 3
To Fig. 6, Fig. 3 to Fig. 6 show the method for carrying out backwash filter pressure test using Withstand test device, wherein Fig. 3 is extremely
Arrow direction shown in Fig. 6 is the direction of water flow.The concrete operations step of pressure resistant test method is carried out to backwash filter
It is rapid as follows:
(1) the injecting process: as shown in figure 3, Fig. 3 show the injecting process schematic diagram in back purge system pressure test；It closes
Drain solenoid valve I 5, drain solenoid valve II 8 and solenoid valve 10 is suppressed, opens water injecting electromagnetic valve I 4,7 and of water injecting electromagnetic valve II
Exhaust valve on backwash filter, starts centrifugal pump 6, and the water in water tank 1 flows through water injecting electromagnetic valve I 4, centrifugal pump 6 and water filling
Electromagnetic valve II 7 enters backwash filter, i.e., fills the water to backwash filter.
Preferably, in the injecting process, pressure release electromagnetic valve 3 and water injecting electromagnetic valve I4, water injecting electromagnetic valve II 7 are beaten simultaneously
It opens, if the pressure value that pressure sensor 11 detects is greater than line pressure, extra pressure and water energy are enough from pressure relief pipe
It is discharged in 15.
(2) process is suppressed: as shown in figure 4, Fig. 4, which is shown in back purge system pressure test, suppresses process schematic.
After the completion of the injecting process, pressure release electromagnetic valve 3, drain solenoid valve I 5, drain solenoid valve II 8, water injecting electromagnetic valve I 4 and note are closed
Water solenoid valve II 7 closes the exhaust valve on backwash filter, suppresses solenoid valve 10, starts suppression of machine structure 9, water tank 1
In water by suppression of machine structure 9 and suppress solenoid valve 10 enter backwash filter after it is suppressed, work as pressure sensor
When 11 pressure values detected reach the setup pressure value of backwash filter pressure test, closes suppression of machine structure 9 and suppress electricity
Magnet valve 10 suppresses completion, carries out pressure maintaining to backwash filter according still further to the dwell time of setting；
It should be noted that when starting to start suppression of machine structure 9, the working method of suppression of machine structure 9 is continuously to open during suppressing
It is dynamic, it, will when the setup pressure value of the pressure value of pressure sensor 11 detected and backwash filter pressure test is close
The working method of suppression of machine structure 9 is changed to crawl, until numerical value and the backwash filter pressure resistance that pressure sensor 11 detects try
Test setting pressure value it is consistent when, stop suppression of machine structure 9 work and closing suppress solenoid valve 10, so far complete suppress process.
Solenoid valve is all closed, into pressure maintaining period；It is resistance to reach backwash filter by the pressure value that pressure sensor 11 is fed back
When pressing the setup pressure value of test, control device 13 controls Withstand test device and enters pressure maintaining period, and carries out pressure maintaining, Yong Huke
To be set as needed dwell time (being generally defaulted as 30min), control device 13 passes through the signal for receiving pressure sensor 11
The pressure value of backwash filter can be recorded in real time.
(3) pressure leak process: as shown in figure 5, Fig. 5 show the pressure leak process schematic diagram in back purge system pressure test.
After reaching the dwell time of setting, drain solenoid valve I 5, water injecting electromagnetic valve I 4, water injecting electromagnetic valve II 7, draining electricity are closed
Magnet valve II 8, solenoid valve 10 is suppressed, opens the exhaust valve of pressure release electromagnetic valve 3 and backwash filter, makes in backwash filter
Water enter in water tank 1 pressure release for carrying out backwash filter by pressure release electromagnetic valve 3 and safety valve 2；Backwash filter into
When row pressure release, when the pressure value that pressure sensor 11 detects is lower than the authorized pressure value of safety valve 2, safety valve 2 closes automatically
It closes, that is, completes the pressure leak process of backwash filter.
(4) drainage procedure: as shown in fig. 6, Fig. 6 show the drainage procedure schematic diagram in back purge system pressure test.
After the completion of pressure release, closes pressure release electromagnetic valve 3, water injecting electromagnetic valve I 4, water injecting electromagnetic valve II 7 and suppress solenoid valve 10, the row of opening
Water solenoid valve I 5 and drain solenoid valve II 8 starts centrifugal pump 6, and the water in backwash filter is made to pass through drain solenoid valve I
5, centrifugal pump 6 and drain solenoid valve II 8 enter water tank 1；When the pressure value of pressure sensor 11 is less than zero, centrifugation is closed
Pump 6, drain solenoid valve I 5 and drain solenoid valve II 8, that is, complete the draining of backwash filter.
Preferably, after the process and parameter setting of Withstand test device control device 13, operation button is clicked, device will be certainly
It is dynamic to enter control program, and the dwell time can be arbitrarily arranged in range, and can carry out pressure maintaining according to pressure value is preset,
Pressure release and draining are carried out automatically after reaching the dwell time.Control device 13 realizes that real-time monitoring is protected simultaneously, test operator
Remotely it can monitor and monitor.
The Withstand test device realizes water filling and the drain function of backwash filter using a centrifugal pump 6 simultaneously, matches
Close control device 13 and realize the automatic control of entire Withstand test device, overall structure is simple, convenient for operation and test, manufacture at
This is lower, and the repetitive cycling for being able to achieve water uses, and saves cost.
It is detailed Jie to a kind of backwash filter Withstand test device provided by the present invention and test method above
It continues and preferred embodiment, it is obvious to a person skilled in the art that the present invention is not limited to the above exemplary embodiments
Details can realize this hair without departing substantially from spirit of the invention or technical solution content in other specific forms
It is bright.In conclusion embodiment be it is exemplary and non-limiting, the scope of the present invention by appended claims rather than above description
It limits, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention.
Claims (7)
1. a kind of backwash filter Withstand test device, it is characterised in that: the experimental rig includes water tank (1), with water tank (1)
Water outlet is connected with water injecting pipeline (17), is successively arranged water injecting electromagnetic valve I (4) in water injecting pipeline (17), is used to provide power
Centrifugal pump (6) and water injecting electromagnetic valve II (7)；Water injecting electromagnetic valve II (7) is connected to the filter pipe (14) far from centrifugal pump (6) one end
One end be connected, the other end of filter connecting tube (14) is for installing backwash filter, in filter connecting tube (14)
Pressure gauge (12) and pressure sensor (11) for measuring pipeline inner pressure is installed；
Pipeline (19) are suppressed with water injecting pipeline (17) parallel arrangement, suppresses in pipeline (19) and is equipped with for backwash filter
The suppression of machine structure (9) suppressed and be located at suppression of machine structure (9) outlet side suppress solenoid valve (10)；
It is in parallel with water injecting pipeline (17) to there also is provided pressure relief pipe (15), it is equipped in pressure relief pipe (15) backwashed for guaranteeing
The safety valve (2) and pressure release electromagnetic valve (3) of the normal pressure release of filter, the safety valve (2) are arranged close to water tank (1) side；
It is communicated with discharge pipe line with water injecting pipeline (17), discharge pipe line includes in parallel with centrifugal pump (6) and water injecting electromagnetic valve II (7)
Draining branch I (16) and the draining branch II (18) in parallel with water injecting electromagnetic valve I (4) and centrifugal pump (6)；Drain branch I
(16) drain solenoid valve I (5) are provided in；Drain solenoid valve II (8) are provided in draining branch II (18)；Backwash filter
In water flow through draining branch I (16), centrifugal pump (6) and drain branch II (18) to water tank (1) to carry out backwash filter
Draining.
2. a kind of backwash filter Withstand test device according to claim 1, it is characterised in that: further include control dress
It sets (13), the control device (13) is electric with pressure sensor (11), each solenoid valve, centrifugal pump (6) and suppression of machine structure (9) respectively
Connection；Control device (13) records the pressure value in pipeline by receiving the signal of pressure sensor (11) in real time；Control device
(13) by comparing the default of each solenoid valve stored in the pressure value of pressure sensor (11) measurement and control device (13)
Pressure value is with solenoid valve each in control piper, the opening and closing of suppression of machine structure (9) and centrifugal pump (6).
3. a kind of backwash filter Withstand test device according to claim 2, it is characterised in that: control device (13)
Water injecting electromagnetic valve I (4) and water injecting electromagnetic valve II (7) or drain solenoid valve I (5) and drain solenoid valve II (8) are controlled simultaneously
On-off, and the opening and closing of centrifugal pump (6) is controlled, operate centrifugal pump (6) in the state that two solenoid valves open simultaneously；Control dress
It sets (13) while the opening and closing of solenoid valve (10) and suppression of machine structure (9) is suppressed in control.
4. a kind of backwash filter Withstand test device according to claim 1, it is characterised in that: the water tank (1)
Lower part is equipped with and is connect with the dewatering outlet of water tank (1) to control the discharging valve to discharge water (20).
5. the side of pressure test is carried out to backwash filter using the described in any item Withstand test devices of claim 1-4
Method, which is characterized in that mainly comprise the steps that
(1), the injecting process: the free end of the filter connecting tube (14) of backwash filter and Withstand test device is connected,
It closes drain solenoid valve I (5), drain solenoid valve II (8) and suppresses solenoid valve (10), open water injecting electromagnetic valve I (4), water filling electricity
Exhaust valve on magnet valve II (7) and backwash filter starts centrifugal pump (6), and the water in water tank (1) flows through water injecting electromagnetic valve I
(4), centrifugal pump (6) and water injecting electromagnetic valve II (7) enter backwash filter, i.e., fill the water to backwash filter；
(2), it suppresses process: after the completion of the injecting process, closing pressure release electromagnetic valve (3), drain solenoid valve I (5), drain solenoid valve II
(8), water injecting electromagnetic valve I (4) and water injecting electromagnetic valve II (7) closes the exhaust valve on backwash filter, suppresses solenoid valve
(10), start suppression of machine structure (9), the water in water tank (1) is by suppression of machine structure (9) and to suppress solenoid valve (10) entrance backwashed
It is suppressed after filter, when the pressure value that pressure sensor (11) detects reaches setting for backwash filter pressure test
When level pressure force value, close and suppression of machine structure (9) and suppress solenoid valve (10), suppress completion, according still further to setting dwell time to anti-
Flush filter carries out pressure maintaining；
(3), after reaching the dwell time of setting, drain solenoid valve I (5), water injecting electromagnetic valve I (4), note pressure leak process: are closed
Water solenoid valve II (7), it drain solenoid valve II (8), suppresses solenoid valve (10), opens pressure release electromagnetic valve (3) and backwash filter
Exhaust valve, enter water in backwash filter in water tank (1) by pressure release electromagnetic valve (3) and safety valve (2) and carry out instead
The pressure release of flush filter；
(4), after the completion of pressure release, pressure release electromagnetic valve (3), water injecting electromagnetic valve I (4), water injecting electromagnetic valve II (7) drainage procedure: are closed
With suppress solenoid valve (10), open drain solenoid valve I (5) and drain solenoid valve II (8), starting centrifugal pump (6) makes backwashed
Water in filter enters water tank (1) by drain solenoid valve I (5), centrifugal pump (6) and drain solenoid valve II (8)；Work as pressure sensing
When the pressure value of device (11) is less than zero, centrifugal pump (6), drain solenoid valve I (5) and drain solenoid valve II (8) are closed, that is, is completed
The draining of backwash filter.
6. the method according to claim 5 that pressure test is carried out to backwash filter using Withstand test device,
It is characterized in that: in step (1), before starting water filling, by pressure release electromagnetic valve (3) and water injecting electromagnetic valve I (4), water injecting electromagnetic valve II
(7) pressure and the enough discharges from pressure relief pipe (15) of water energy to keep high-water-cut stage extra are opened simultaneously.
7. the method according to claim 5 that pressure test is carried out to backwash filter using Withstand test device,
Be characterized in that: in step (2), when just starting to suppress, the working method of suppression of machine structure (9) is continuous starting；Work as pressure sensor
(11) numerical value close to backwash filter pressure test setup pressure value when, the working method of suppression of machine structure (9) is crawl,
Until suppressing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128187.6A CN109738276A (en) | 2019-02-21 | 2019-02-21 | A kind of backwash filter Withstand test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128187.6A CN109738276A (en) | 2019-02-21 | 2019-02-21 | A kind of backwash filter Withstand test device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109738276A true CN109738276A (en) | 2019-05-10 |
Family
ID=66367910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128187.6A Pending CN109738276A (en) | 2019-02-21 | 2019-02-21 | A kind of backwash filter Withstand test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109738276A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361184A (en) * | 2019-08-13 | 2019-10-22 | 江苏电力装备有限公司 | Test the pilot system of drum type filter screen performance |
| CN114857510A (en) * | 2022-04-28 | 2022-08-05 | 孙东明 | Intelligent pressing remote control leakage detection auxiliary equipment |
| CN110749403B (en) * | 2019-10-13 | 2024-05-03 | 江苏远望仪器集团有限公司 | Sensor full-working-condition dynamic pressure water tightness test device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100959791B1 (en) * | 2009-11-16 | 2010-05-28 | 주식회사 화성방재 | The device testing pressure resistance for fire hose |
| CN204064591U (en) * | 2014-08-07 | 2014-12-31 | 广东五星太阳能股份有限公司 | The vertical automatic pressure test device of heat collector runner |
| CN204286940U (en) * | 2014-09-18 | 2015-04-22 | 江苏中宏机械制造有限公司 | A kind of gas cylinder hydraulic pressure bursting test device with speed governing and continuous water supplement function |
| CN204594622U (en) * | 2015-05-26 | 2015-08-26 | 金牛股份有限公司 | A kind of automatic water saving boiler body pressure detecting system |
| CN204924806U (en) * | 2015-08-29 | 2015-12-30 | 中材金晶玻纤有限公司 | Device is suppressed to glass fiber high pressure pipeline still water |
| CN105973714A (en) * | 2016-07-18 | 2016-09-28 | 陕西鑫立喷嘴研制开发有限公司 | Automatic control pressure tester |
| CN206710039U (en) * | 2017-05-09 | 2017-12-05 | 黑龙江省中能控制工程股份有限公司 | It is a kind of special full-automatic to suppress equipment |
| CN108489705A (en) * | 2018-03-27 | 2018-09-04 | 武汉海王机电工程技术有限公司 | A kind of water test unit and method of simulation utilizing ocean current environment |
| CN208137922U (en) * | 2018-07-16 | 2018-11-23 | 延安瑞泽油田工程技术服务有限公司 | The closed pressure release injection allocation apparatus of integral type environmental protection |
| CN108871936A (en) * | 2018-09-06 | 2018-11-23 | 淮安信息职业技术学院 | A kind of vehicle gas cylinder hydraulic pressure detection control apparatus |
-
2019
- 2019-02-21 CN CN201910128187.6A patent/CN109738276A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100959791B1 (en) * | 2009-11-16 | 2010-05-28 | 주식회사 화성방재 | The device testing pressure resistance for fire hose |
| CN204064591U (en) * | 2014-08-07 | 2014-12-31 | 广东五星太阳能股份有限公司 | The vertical automatic pressure test device of heat collector runner |
| CN204286940U (en) * | 2014-09-18 | 2015-04-22 | 江苏中宏机械制造有限公司 | A kind of gas cylinder hydraulic pressure bursting test device with speed governing and continuous water supplement function |
| CN204594622U (en) * | 2015-05-26 | 2015-08-26 | 金牛股份有限公司 | A kind of automatic water saving boiler body pressure detecting system |
| CN204924806U (en) * | 2015-08-29 | 2015-12-30 | 中材金晶玻纤有限公司 | Device is suppressed to glass fiber high pressure pipeline still water |
| CN105973714A (en) * | 2016-07-18 | 2016-09-28 | 陕西鑫立喷嘴研制开发有限公司 | Automatic control pressure tester |
| CN206710039U (en) * | 2017-05-09 | 2017-12-05 | 黑龙江省中能控制工程股份有限公司 | It is a kind of special full-automatic to suppress equipment |
| CN108489705A (en) * | 2018-03-27 | 2018-09-04 | 武汉海王机电工程技术有限公司 | A kind of water test unit and method of simulation utilizing ocean current environment |
| CN208137922U (en) * | 2018-07-16 | 2018-11-23 | 延安瑞泽油田工程技术服务有限公司 | The closed pressure release injection allocation apparatus of integral type environmental protection |
| CN108871936A (en) * | 2018-09-06 | 2018-11-23 | 淮安信息职业技术学院 | A kind of vehicle gas cylinder hydraulic pressure detection control apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361184A (en) * | 2019-08-13 | 2019-10-22 | 江苏电力装备有限公司 | Test the pilot system of drum type filter screen performance |
| CN110361184B (en) * | 2019-08-13 | 2024-03-01 | 江苏电力装备有限公司 | Test system for testing performance of drum filter screen |
| CN110749403B (en) * | 2019-10-13 | 2024-05-03 | 江苏远望仪器集团有限公司 | Sensor full-working-condition dynamic pressure water tightness test device |
| CN114857510A (en) * | 2022-04-28 | 2022-08-05 | 孙东明 | Intelligent pressing remote control leakage detection auxiliary equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102573595B (en) | Cleaning machine, such as dish-washing machine or washing machine, and the method for operation cleaning machine | |
| CN109738276A (en) | A kind of backwash filter Withstand test device and test method | |
| CN104654498B (en) | Integrate water purification humidification and the environment electrical equipment of purification of air | |
| CN206556928U (en) | Can continuous sampling deep water sampling apparatus | |
| CN106932260A (en) | Seawater sample automatic fitration and back purge system | |
| CN109432852A (en) | A kind of geothermal reinjection filter plant | |
| CN114018652A (en) | Automatic retention and replacement device for sewage in drainage well and use method | |
| CN108927387A (en) | The tubing of automatic control vibrates rinse-system | |
| CN206258449U (en) | A kind of sampling apparatus | |
| CN112525609A (en) | Transformer oil detects gets oily device | |
| CN111965310A (en) | Intelligent gas collection box of transformer gas relay and control method thereof | |
| CN209378564U (en) | Full-automatic back washing dirt separator | |
| CN208137922U (en) | The closed pressure release injection allocation apparatus of integral type environmental protection | |
| CN216498019U (en) | Off-line back flushing device for large-flow filter element | |
| CN216447244U (en) | High-filtering-precision hydraulic oil treatment system | |
| CN213763096U (en) | Electro-hydraulic control module cleanliness detection cleaning equipment | |
| CN210154901U (en) | Processing apparatus before water delivery and distribution pipe health index detects | |
| CN105514445A (en) | Full-automatic pickling system | |
| CN210152635U (en) | Drilling fluid filtration loss measuring device | |
| CN212329096U (en) | Automatic cleaning machine for double-cleaning-tank esophagus ultrasonic probe | |
| CN210071353U (en) | Toilet system test device | |
| CN109932199A (en) | A method of it is tested for water purifier | |
| CN110335746A (en) | A kind of online full-automatic oil filtering machine and its control method | |
| CN217084932U (en) | Integrated water quality monitoring equipment | |
| CN214702632U (en) | Simple hydraulic test bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210119 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Applicant after: CHINA SHIPBUILDING INDUSTRY CORPORATION NO.725 Research Institute Address before: 471000 shuangxiang Road, Luoxin Industrial Park, Xin'an County, Luoyang City, Henan Province Applicant before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
|
| RJ01 | Rejection of invention patent application after publication |