CN104653472A - Strong suction pump and drainage device thereof - Google Patents

Strong suction pump and drainage device thereof Download PDF

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Publication number
CN104653472A
CN104653472A CN201510109020.7A CN201510109020A CN104653472A CN 104653472 A CN104653472 A CN 104653472A CN 201510109020 A CN201510109020 A CN 201510109020A CN 104653472 A CN104653472 A CN 104653472A
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air
drainage system
pump
flow path
water tank
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刘先峰
李水平
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Individual
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Individual
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Abstract

The invention discloses a strong suction pump and a drainage device thereof. The drainage device comprises a volume expansion water tank, a vacuum pump, an exhaust pipe and a diversion pipe, wherein the exhaust pipe is communicated with an exhaust opening in a top wall plate of the volume expansion water tank and the pump inlet of the vacuum pump; the diversion pipe is communicated with a diversion port in the bottom end of a side wall plate of the volume expansion water tank and the main pump cavity of the strong suction pump; the drainage device is provided with an air current jetting module for changing the air current flow speed of gas pumped by the vacuum pump in the volume expansion water tank; the air current jetting module is communicated with the pump inlet of the vacuum pump, the exhaust pipe and the external air. Through design of the drainage device, the discharge speed of air current in the drainage device is optimized, and a reliable, stable and safe working state is ensured.

Description

A kind of strong sucking pump and drainage system thereof
Technical field
The present invention relates to industrial pump technical field, particularly a kind of drainage system of strong sucking pump.In addition, the invention still further relates to a kind of strong sucking pump of this drainage system of application.
Background technique
Strong sucking pump is widely used in the fields such as petroleum and petrochemical industry, and strong sucking pump has self-absorption function, is installed on ground surface, thus pumps the sewage in cesspool, reservoir, accident pool.Therefore, strong sucking pump has stronger self-absorption function, guarantees enough suction heights, thus fast and effeciently promotes low level medium.
Existing strong sucking pump is split-type structural, comprises complete machine main pump, drainage system, control gear, and three is connected by pipeline, control wiring.Drainage system realizes self-absorption function to strong sucking pump and plays an important role.Existing drainage system comprises dilatation water tank, a vacuum pumping pump, dilatation water tank is communicated with pump chamber and the vacuum pumping pump of complete machine main pump respectively by pipeline, operationally, vacuum pumping pump discharges the gas in dilatation water tank and connecting pipeline gradually, thus formation negative pressure, in the pump chamber making the medium such as sewage flow into complete machine main pump and dilatation water tank.
But there is following shortcoming in existing drainage system:
The first, vacuum pumping pump provides power and air quantity for the gas of discharging in dilatation water tank, but the air quantity flow rate that vacuum pumping pump provides has certain limitation, when vacuum pumping pump connects outlet pipe by pipeline, be difficult to the gas of discharging dilatation water tank fast, constrain the working efficiency of strong sucking pump.
The second, when vacuum pumping pump pump air absorbing body, the air-flow with certain flow rate easily overstocks in pumping in pipeline, and gas temperature can be caused in gas compression processes to raise, when reaching the burning-point of inflammable gas, producing explosion risk, there is great potential safety hazard in existing drainage system.
In addition, when strong sucking pump adopts existing drainage system, this drainage system and control gear are all outside exposed, produce static charge accumulation in working procedure, directly contact the danger of blasting with flammable explosive gas in air.
In view of this, the structure urgently for drainage system designs, thus, optimize the mass rate of emission of the air-flow of drainage system, guarantee reliable, stable and safe working state.
Summary of the invention
For the defect of above-mentioned existence, the technical problem to be solved in the present invention is the drainage system providing a kind of strong sucking pump, by the optimal design to this drainage system, optimizes the mass rate of emission of the air-flow of drainage system, guarantees reliable, stable and safe working state.On this basis, the present invention also provides a kind of strong sucking pump of this drainage system of application.
The drainage system of a kind of strong sucking pump provided by the invention, comprise dilatation water tank, vacuum pumping pump, outlet pipe and aqueduct, described outlet pipe is communicated with the described relief opening of dilatation water tank top walls panels and the pumping hole of described vacuum pumping pump, and described aqueduct is communicated with the irrigating gate of described dilatation water tank side panel bottom and the main pump pump chamber of described strong sucking pump; Described drainage system is provided with and changes the jet-impingement module that the air-flow velocity of gas in described dilatation water tank inhaled by described vacuum pumping pump pump, and described jet-impingement module is communicated with described vacuum pumping pump pumping hole, outlet pipe and ambient atmosphere.
Adopt the drainage system of said structure, namely drainage system is provided with and changes the jet-impingement module that the air-flow velocity of dilatation water tank inhaled by vacuum pumping pump pump, and this jet-impingement module is provided with three connecting ports, is communicated with described vacuum pumping pump pumping hole, outlet pipe and ambient atmosphere respectively.Setting like this, can effectively can improve by this jet-impingement module the airspeed that gas in dilatation water tank inhaled by vacuum pumping pump pump, fast by the gas discharging in dilatation water tank in ambient atmosphere, and then promote the working efficiency of strong sucking pump.
Alternatively, described jet-impingement module comprises the sparger, the receiver that are tightly connected successively;
The pumping hole of the described vacuum pumping pump of the close company of entrance of described sparger, the entrance of the described receiver of the close company of described ejiction opening, the channel internal diameter of described sparger is expanded to ejiction opening gradually by described entrance;
The sidewall of described receiver offers flow-guiding mouth, and described flow-guiding mouth is communicated with the passage of described outlet pipe and described receiver.
Alternatively, described receiver is provided with the first air-flow path, the second air-flow path successively along the flow direction of air-flow, and the internal diameter of described first air-flow path is greater than the internal diameter of described second air-flow path, and described flow-guiding mouth is opened in the sidewall of described first air-flow path;
The ejiction opening of described sparger is near the joining place of described first air-flow path and described second air-flow path.
Alternatively, concordant described first air-flow path of described ejiction opening is connected section with described second air-flow path, and the periphery wall of described ejiction opening end has certain interval with the described port inner diameter being connected section.
Alternatively, described receiver is also provided with the 3rd air-flow path, and the entrance of described 3rd air-flow path is communicated with the outlet of described second air-flow path, and the internal diameter of described 3rd air-flow path expands gradually along air current flow direction.
Alternatively, described drainage system also comprises the Diffuser of the described receiver that is tightly connected, and the air-flow path internal diameter of described Diffuser expands gradually along air current flow direction, and described Diffuser is connected with the outlet of described 3rd air-flow path and is communicated with.
Alternatively, described drainage system is provided with static charge canceller, and described static charge canceller is placed in the outer surface of described jet-impingement module.
The strong sucking pump of the one that the present invention also provides, comprise main pump, drainage system and control the control gear of described main pump and described drainage system, described drainage system is drainage system as previously discussed.
Because above-mentioned drainage system has above technique effect, therefore, the strong sucking pump applying this drainage system also should have identical technique effect, does not repeat them here.
Alternatively, described drainage system and described control gear are all placed in same anti-explosion box body, and described drainage system is communicated with by the pump chamber of connecting tube with described main pump.
Adopt above-mentioned setting, namely drainage system and control gear are installed in same anti-explosion box body simultaneously, compact structure, beautiful shape; Further, so can isolate drainage system, control gear and external air, avoid gas inflammable and explosive in the static charge ingress of air produced in its working procedure, promote the use safety of drainage system.Meanwhile, drainage system is communicated with the pump chamber of process pump by connecting tube, thus makes drainage system, control gear and main pump form the strong sucking pump of integral type, compact structure, saves and installs the connect hours, for field operation provides convenient.
Alternatively, described control gear comprises the patrol police's module, terminal block and the digital display screen that detect described drainage system working state, and described patrol police's module connects described drainage system by described terminal block, and described digital display screen shows the signal that described patrol police's module detects.
Accompanying drawing explanation
Fig. 1 is the structural representation of drainage system and control gear in specific embodiment;
Fig. 2 is the coupled condition schematic diagram of sparger, receiver and Diffuser in specific embodiment;
Fig. 3 is the structural representation of sparger in Fig. 2;
Fig. 4 is the structural representation of receiver in Fig. 2;
Fig. 5 is the structural representation of Diffuser in Fig. 2;
Fig. 6 is the structural representation of strong sucking pump in specific embodiment.
In Fig. 1 to Fig. 6:
Drainage system 10, main pump 20, control gear 30, anti-explosion box body 40;
Dilatation water tank 11, vacuum pumping pump 12, outlet pipe 13, aqueduct 14, weighing transducer 15, sparger 16, receiver 17, Diffuser 18, static charge canceller 19;
Relief opening 111, irrigating gate 112, sealing plug 113, dwang 114, electromagnetic coil 115, liquid level line inductor 116, air-flow guide plate 117, float 1141;
Elastic connecting pipe 131;
Entrance 161, ejiction opening 162;
First air-flow path 171, second air-flow path 172, the 3rd air-flow path 173, flow-guiding mouth 174;
Rotation angle α, angle of inclination beta, jet-impingement modules A, height difference H;
Terminal block 31, digital display screen 32.
Embodiment
Core of the present invention is to provide a kind of drainage system of strong sucking pump, by the optimal design to this drainage system, optimizes the mass rate of emission of the air-flow of drainage system, improves the working efficiency of strong sucking pump, guarantees the working state that strong sucking pump is reliable, stable and safe.On this basis, the present invention also provides a kind of strong sucking pump of this drainage system of application.
In order to make those skilled in the art person understand the present invention program better, illustrate present embodiment below in conjunction with Figure of description.
Refer to shown in Fig. 1 to Fig. 5, wherein, Fig. 1 is drainage system structural representation in specific embodiment; Fig. 2 is the coupled condition schematic diagram of sparger, receiver and Diffuser in specific embodiment; Fig. 3 is the structural representation of sparger in Fig. 2; Fig. 4 is the structural representation of receiver in Fig. 2; Fig. 5 is the structural representation of Diffuser in Fig. 2.
The invention provides a kind of drainage system 10 of strong sucking pump, this drainage system 10 comprises dilatation water tank 11, vacuum pumping pump 12 outlet pipe 13 and aqueduct 14.Outlet pipe 13 is communicated with the relief opening 111 of dilatation water tank 11 top walls panels and the pumping hole of vacuum pumping pump 12, aqueduct 14 is communicated with the irrigating gate 112 of dilatation water tank 11 side panel bottom and main pump 20 pump chamber of strong sucking pump, vacuum pumping pump 12 is utilized to get rid of air in dilatation water tank 11, thus formation negative pressure, low level medium is introduced in the pump chamber of main pump 20, and then make main pump 20 have self-absorption function; Meanwhile, medium also can flow in dilatation water tank 11, and fills in dilatation water tank 11 gradually, now needs to control relief opening 111 in time and closes in time, evade medium excessive and produce infringement.
Compared with prior art, dilatation water tank 11 is provided with sealing plug 113 and the guiding element of shutoff relief opening; Under media flow effect, guiding element pilot seal plug 113 shutoff relief opening.
In a kind of specific embodiment, guiding element is the dwang 114 being rotationally connected with dilatation water tank 11 top walls panels, as shown in Figure 1, sealing plug 113 is fixed on the position of the close free end of dwang 114, this dwang 114 can float on the dielectric surface in dilatation water tank 11, along with medium fills dilatation water tank 11 gradually, the free end of this dwang 114 is close to top walls panels gradually, when medium is roughly full of dilatation water tank 11, sealing plug 113 just inserts relief opening 111, and continues shutoff relief opening 111 under the drive of dwang 114.
The each pivotal position being rotationally connected in position and relief opening 111 line in the heart and dwang 114 of this dwang 114 is all in same plane, that is, the line being rotationally connected the center of position and relief opening 111 of dwang 114 is just the vertical projecting line in top walls panels in dwang 114 rotation process.Setting like this, makes this dwang 114 only rotate in same plane, thus sealing plug 113 can be made to insert exactly in relief opening 111.
Adopt above-mentioned drainage system 10, can shutoff relief opening 111 accurately in real time, utilize directly machinery action reliably, flexibly easy; This drainage system 10 effectively can eliminate the lag issues of SC sigmal control in prior art, avoids vacuum pumping pump 12 to be subject to the corrosion and damage of medium, substantially increases the service behaviour of drainage system 10, working life, and provides reliable guarantee for safe handling.
It should be noted that, this dwang 114 can arrange a pair journal stirrup, and connect the journal stirrup in top walls panels by rotating shaft, thus realize being rotationally connected, certainly, dwang 114 and being rotationally connected of top walls panels are not limited thereto, and the mode also by other is rotationally connected, and only need the above-mentioned functions that can realize this dwang 114.
Guiding element is not limited in dwang 114, also can be other structures, such as guiding element is the cylindricality guide be fixed on immediately below relief opening 111, and this cylindricality guide is communicated with dilatation water tank 11, thus medium can be made to enter in cylindricality guide simultaneously, insert in relief opening 111 to promote sealing plug 113.Therefore, guiding element only needs to realize pilot seal plug 113 and inserts relief opening 111, with shutoff relief opening 111.
In a kind of specific embodiment, sealing plug 113 is conductor, relief opening 111 is provided with electromagnetic coil 115, the phenomenon of the magnetic line of force of conductor cutting electromagnetic coil 115 is there is when sealing plug 113 inserts relief opening 111, produce sensor current signal, may be output to the control gear 30 of strong sucking pump, thus obtain the signal of relief opening 111 shutoff, brake to control vacuum pumping pump 12, avoid its long-term idling conditions and the phenomenon of burning, the automation of effective raising drainage system 10, intelligence degree, and the safe handling state guaranteeing equipment.
Dielectric corrosion vacuum pumping pump 12 is avoided in order to more reliable and effective, guarantee the safe and reliable operation of vacuum pumping pump 12, the side panel of dilatation water tank 11 is also provided with liquid level line inductor 116, the position of liquid level line inductor 116 for utilizing infrared induction principle to detect medium in dilatation water tank 11.Particularly, this liquid level line inductor 116 is placed in dilatation water tank 11 side panel near top walls panels position, even if detect medium in dilatation water tank 11 whether reach predeterminated position, liquid level line inductor 116 launches the infrared rays of parallel dilatation water tank 11 top walls panels, when detecting that medium reaches predeterminated position, transfer control signal to the control gear 30 of strong sucking pump, thus exports the signal of braking vacuum pumping pump 12, in the mode of auxiliary above-mentioned braking vacuum pumping pump 12, guarantee the use safety of vacuum pumping pump 12.
It should be noted that, this predeterminated position is fixed according to the exhaust efficiency of vacuum pumping pump 12 and the reaction time of this testing signal transmission, this predeterminated position should meet, when medium is full of dilatation water tank 11, this liquid level line inductor 116 liquid level signal is passed to control box and sends the signal stopping vacuum pumping pump 12.
In conjunction with the mode of above-mentioned two kinds of braking vacuum pumping pumps 12, double shield can be provided for braking vacuum pumping pump 12, it is all out of service when vacuum pumping pump 12 receives arbitrary stop signal, even if receive signal out of service again, can not have an impact to vacuum pumping pump 12, this vacuum pumping pump 12 still keeps halted state, improves the use safety of this drainage system 10 further.
Further, as shown in Figure 1, the free end of the dwang 114 in the various embodiments described above (namely be rotationally connected hold relative one end) is provided with float 1141, so can guarantee that dwang 114 floats on dielectric surface further, provide safeguard for sealing plug 113 inserts relief opening 111 accurately and reliably.
In a kind of specific embodiment, the maximum rotation angle α of this dwang 114 is set to 60 °, and that is, in dwang 114 rotation process, the maximum angle between this dwang 114 and top walls panels is 60 °.Setting like this, dwang 114 can be convenient to and float on dielectric surface, eliminate when dwang 114 starts to rotate in vertical position and need provide larger buoyancy to float 1141, effectively can reduce the designing requirement to float 1141, make medium promote dwang 114 smoothly easily close to top walls panels.
It should be noted that, in concrete scheme, the maximum rotation angle α of preferred dwang 114 is 60 °, certainly also can be arranged within the scope of 30 ° ~ 60 °, such as, can be set to 30 °, 45 °, 50 ° etc.Only need can meet and can promote the angle that dwang 114 floats on dielectric surface smoothly easily.
In order to improve the reliable and stable work of dwang 114 further, evade the active force that air current flow produces float 1141, the base wall panel of this dilatation water tank 11 is fixed with air flow guide.As shown in Figure 1, the bottom space that this air flow guide separates this dilatation water tank 11 is exhaust cavity, diversion chamber, namely makes relief opening 111 and irrigating gate 112 be positioned at the both sides of air-flow guide plate 117; Float 1141 is positioned at exhaust cavity, and the top of air-flow guide plate 117 is higher than float 1141, height difference H as shown in Figure 1, this height difference H does not have concrete numerical requirements, make it at least higher than the bottom of float 1141, thus make when being vented, under the effect of air-flow guide plate 117, after air-flow is flowed first straight up crossed the top of air-flow guide plate 117 by irrigating gate 112, major part is walked around float 1141 and is discharged by relief opening 111, and weaken the impact of air-flow to float 1141, effectively evade the phenomenon that air-flow directly impacts float 1141.Setting like this, the service behaviour reliable, stable for dwang 114 provides guarantee.
Base wall panel is that side is dull and stereotyped, the acclivitous swash plate in side by this air-flow guide plate 117, can be shown in Figure 1, wherein, flat board is near relief opening 111 side, and swash plate is away from relief opening 111 side, that is, the bottom that flat board is positioned at the bottom in diversion chamber, swash plate is positioned at exhaust cavity; Meanwhile, the flowing hole for medium circulation is offered in the bottom of air-flow guide plate 117.
Adopt above-mentioned setting, on the one hand, the volume of dilatation water tank 11 can be reduced, be convenient to discharge air fast; On the other hand, when strong sucking pump fulfils assignment, the water in dilatation water tank 11 discharges dilatation water tank 11 by the guide functions of swash plate by irrigating gate 112, so, can effective emptying medium, avoid medium to accumulate in dilatation water tank 11.
Further, the angle of this swash plate and air-flow guide plate 117 is preferably set to 85 °, and namely the angle of inclination beta in swash plate opposed vertical direction is 85 °, so, can form the inclined-plane that permeable medium discharges dilatation water tank 11 smoothly.
Certainly, the angle of inclination beta of swash plate is not limited in 85 °, also can be arranged on the arbitrary value within the scope of 80 ° ~ 90 °, only needs can realize smooth permeable medium, to make the gradient of the emptying medium of dilatation water tank 11.
For above embodiment, the weighing transducer 15 detecting medium-weight is provided with outside the base wall panel of this dilatation water tank 11, and the outlet pipe 13 near relief opening 111 side is provided with one section of elastic connecting pipe 131, when medium flows into dilatation water tank 11 gradually, utilize and to be located at outside dilatation water tank 11 and not detect the weight of medium with the weighing transducer 15 of medium contact, dielectric corrosion can be avoided to detect the parts of medium amount, improve working life; Along with the inflow of medium, dilatation water tank 11 offsets downward, and this elastic connecting pipe 131 also produces skew thereupon, promotes usability and the working life of outlet pipe 13.
When medium amount reaches predetermined value, weighing transducer 15 transmission of signal controls main pump 20 and starts, thus carries out the work of pumped medium.This predetermined value refers to now, and the medium sucking main pump 20 pump chamber fully can meet main pump 20 and carry out self-absorption function.
For above embodiment, this drainage system 10 is provided with and changes the jet-impingement modules A that the air-flow velocity of dilatation water tank 11 inhaled by vacuum pumping pump 12 pump, this jet-impingement modules A is provided with three connecting ports, is communicated with described vacuum pumping pump 12 pumping hole, outlet pipe 13 and ambient atmosphere respectively.Effectively can improve by this jet-impingement modules A the airspeed that gas in dilatation water tank 11 inhaled by vacuum pumping pump 12 pump, fast by the gas discharging in dilatation water tank 11 in ambient atmosphere, and then promote the working efficiency of strong sucking pump.
Herein, vacuum pumping pump 12 adopts Roots pump, and on the one hand, the degree of vacuum of Roots pump is high, and its lift of the pump suction degree can arrive about 8.5 meters; On the other hand, the period of exhaust of Roots pump is short, air displacement large, compared with the vaccum centrifugal pump adopted in prior art, diaphragm pump etc., at discharge 2.5m 3during gas flow, the operating time of about 8s can be shortened.
When jet-impingement modules A is applied to Roots pump exhausting air, greatly can improve the speed that gas is discharged, effectively improve the working efficiency of strong sucking pump.
Further, this jet-impingement modules A comprises the sparger 16, the receiver 17 that are tightly connected successively.Specifically incorporated by reference to shown in Fig. 1 and Fig. 2.
Particularly, as shown in Figure 2, the close pumping hole connecting vacuum pumping pump 12 of entrance of its sparger 16, the close entrance connecting receiver of ejiction opening 162; Shown in composition graphs 3, the channel internal diameter of sparger 16 is expanded to ejiction opening 162 gradually by entrance 161; The sidewall of its receiver 17 offers flow-guiding mouth 174, and this flow-guiding mouth 174 is communicated with the passage of outlet pipe 13 and receiver 17.
Setting like this, the air-flow provided when Roots pump is entered by entrance 161, and when being sprayed by ejiction opening 162, air-flow velocity can be significantly improved, thus the suction of energy rapid pump is imported the gas in the dilatation water tank 11 of receiver 17 passage by flow-guiding mouth 174, accelerate gas purging speed, effectively promote the working efficiency of strong sucking pump.
Wherein, this receiver 17 is provided with the first air-flow path 171 and the second air-flow path 172 successively along the flow direction of air-flow, the outlet of the first air-flow path 171 is communicated with the entrance of the second air-flow path 172, and the entrance of the first air-flow path 171 is communicated with the ejiction opening 162 of sparger 16; Further, the internal diameter of the first air-flow path 171 is greater than the internal diameter of the second air-flow path 172, and the sidewall of the first air-flow path 171 offers the flow-guiding mouth 174 connecting outlet pipe 13.
So, first, in the first air-flow path 171, a large amount of gas from dilatation water tank 11 is held, thus the sufficient a large amount of gas of buffering, to mate the pump energy-absorbing power that sparger 16 sprays air-flow velocity.
Simultaneously, the ejiction opening 162 of sparger 16 is near the joining place of the first air-flow path 171 and the second air-flow path 172, that is, this ejiction opening 162 is roughly concordant with the joint section mouth of the second air-flow path 172 with the first air-flow path 171, so, the air flow stream sprayed by sparger 16 is more concentrated and is entered in the second air-flow path 172, guarantees that it inhales the gas in the first air-flow path 171 with maximum flow pump.
For sparger 16, be connected section preferably by concordant for its ejiction opening 162 first air-flow path 171 and the second air-flow path 172; Simultaneously, the periphery wall of this ejiction opening 162 end has certain interval with the port inner diameter being connected section, that is, the bore of this ejiction opening 162 is slightly less than the internal diameter of the second air-flow path 172, thus the gas in the first air-flow path 171 can be made to enter the second air-flow path 172 and discharge.
It should be noted that, ejiction opening 162 preferably concordant first air-flow path 171 and the second air-flow path 172 be connected section; Certainly, this ejiction opening 162 also can omit a part in insertion second air-flow path 172, or slightly extraction second air-flow path 172 is a part of, and be positioned at the first air-flow path 171, in a word, ejiction opening 162 can be controlled in 0mm ~ 2mm with the deviation being connected section, to guarantee the compactedness of the air flow stream sprayed by sparger 16, and makes it inhale the gas in dilatation water tank 11 with maximum speed pump.
As shown in Figure 3, in a kind of specific embodiment, the tapered setting of internal gas flow passage of this sparger 16, in order to save material, reduce weight, its outer wall is tapered setting also.Air-flow from vacuum pumping pump 12 is entered by big opening end, is sprayed, reduce area of passage gradually by osculum end, thus when spraying into the second air-flow path 172, increases the flow velocity of this air-flow, drive enter the first air-flow path 171 dilatation water tank 11 in air discharge; In addition, utilize flowed energy formula (M=PV), known, the air-flow of certain gas energy M, its flow velocity V increases, gas pressure P reduces, so, the decrement of gas can be reduced, avoid its gas temperature to raise, and then the danger greatly reducing inflammable gas to reach burning-point and explode.
It should be noted that, above-mentioned " gap " enters the second air-flow path 172 for the air discharged by outlet pipe 13.In order to enable the air of discharge enter smoothly in the second air-flow path 172, this gap at least should be 1.5mm, and in this programme, this gap is preferably set to 1.5mm.
In a kind of specific embodiment, as shown in Figure 4, first air-flow path 171 of this receiver 17 is the tapered channel matched with the insertion end of sparger 16, and the second air-flow path 172 is cylindrical channel, and its cross section diameter of a circle is the end diameter size of above-mentioned tapered channel.Between first air-flow path 171 and sparger 16, there is the space held from outlet pipe 13 air, and this space is far longer than the gap between the periphery wall of above-mentioned ejiction opening 162 end and the inner circle wall of the second air-flow path 172, with guarantee the air in this space pumped enter the second air-flow path 172.
Further, this receiver 17 is also provided with the 3rd air-flow path 173, the entrance of this air-flow path is communicated with the outlet of the second air-flow path 172, and the internal diameter of the 3rd air-flow path 173 expands gradually along air current flow direction, so, the air velocity of discharging can be reduced gradually, comparatively relax smooth-going exhausting air.
In a particular embodiment, the 3rd air-flow path 173 is also tapered channel, and its osculum end is identical with the port sizes in the second air flow ventilating road.
It should be noted that; the air-flow path of receiver diverse location is limited herein with " first, second, third "; wherein the first air-flow path, the second air-flow path, the 3rd air-flow path are arranged along air current flow direction successively; be understandable that; " first, second, third " is adopted to limit the air-flow path of diverse location; be only to clearly demonstrate, the technological scheme of the application's request protection is construed as limiting.
Further, this drainage system 10 also comprises the Diffuser 18 of the receiver 17 that is tightly connected, and the air-flow path internal diameter of this Diffuser 18 expands gradually along gas circuit flow direction, and this Diffuser 18 is connected with the outlet of the 3rd air-flow path 173 and is communicated with.Adopt this Diffuser 18 to increase gas emissions, also can promote the smoothness of exhausting air further.
In above-mentioned specific embodiment, sparger 16, receiver 17 and Diffuser 18 three are successively by being threaded of matching, and technique is simple, connection is convenient, are easy to installing/dismounting operation.Certainly, its Connecting format is not limited thereto, also by other Placements such as buckle, welding.
In addition, preferably three processed respectively, its processing technology is easy to realize, and certainly, also three can be processed into integrative-structure, only need have the structural type of each air-flow path above-mentioned, to realize reducing gas pressure, prevents explosion phenomenon.
In order to eliminate the mutual fricative static charge of gas further, this drainage system 10 is also provided with static charge canceller 19.This static charge canceller 19 can be placed in sparger 16, receiver 17, any one outer surface of Diffuser 18, thus eliminates the accumulation of static charge in drainage system 10 working procedure, guarantees the use safety of this drainage system 10.
Except above-mentioned, the present invention also provides the strong air pump of this drainage system 10 of a kind of application, and as shown in Figure 6, this strong sucking pump comprises the control gear 30 of process pump, drainage system 10 and control flow pump and drainage system 10, wherein, this drainage system 10 adopts above-described drainage system 10.Because above-mentioned drainage system 10 has above technique effect, therefore, the strong sucking pump applying this drainage system 10 also should have identical technique effect, repeats no more herein at this.
Further, drainage system 10 and the control gear 30 of this strong sucking pump are all installed in same anti-explosion box body 40, and drainage system 10 is communicated with by the pump chamber of connecting tube with main pump 20.Compared with prior art, this strong sucking pump be drainage system 10, control gear 30 and main pump 20 in being wholely set, compact structure, can save and install the connect hours, for field operation provides convenient.Simultaneously, adopt drainage system 10 and control gear 30 with being placed in anti-explosion box body 40, not only beautiful shape, compact structure, also can completely cut off drainage system 10, control gear 30 contacts with external air, greatly eliminate flammable explosive gas in static charge ingress of air and produce the phenomenon of blast, effectively improving the use safety of strong sucking pump.
Compared with the strong sucking pump of prior art, also can optimized control device 30 further.Particularly, this control gear 30 can arrange the patrol police's module, terminal block 31 and the digital display screen 32 that detect drainage system 10 working state.Wherein, in drainage system 10, the electromagnetic coil 115 of relief opening 111, vacuum pumping pump 12, weighing transducer 15, static charge canceller 19 and liquid level line inductor 116 are all connected to terminal block 31, and by terminal block 31 and patrol police's model calling, the cycle of making an inspection tour each component working state is set in patrol police's module, namely with the working state of regular hour each component of start detection, again its working state is illustrated by digital display screen 32, so that staff checks, improve the reliability of strong sucking pump working state, Security further.
Above strong sucking pump provided by the present invention and drainage system thereof are described in detail.Only set forth for object lesson of the present invention herein, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the prerequisite not departing from feature of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the drainage system of a strong sucking pump, comprise dilatation water tank (11), vacuum pumping pump (12), outlet pipe (13) and aqueduct (14), described outlet pipe (13) is communicated with the relief opening (111) of described dilatation water tank (11) and the pumping hole of described vacuum pumping pump (12), and described aqueduct (14) is communicated with the irrigating gate (112) of described dilatation water tank (11) and main pump (20) pump chamber of described strong sucking pump; It is characterized in that, described drainage system (10) is provided with and changes the jet-impingement module (A) that the air-flow velocity of the interior gas of described dilatation water tank (11) inhaled by described vacuum pumping pump (12) pump, and described jet-impingement module (A) is communicated with described vacuum pumping pump (12) pumping hole, outlet pipe (13) and ambient atmosphere.
2. the drainage system of strong sucking pump according to claim 1, is characterized in that, described jet-impingement module (A) comprises the sparger (16), the receiver (17) that are tightly connected successively;
The pumping hole of the described vacuum pumping pump of entrance (161) the close company (12) of described sparger (16), the entrance of the described receiver of described ejiction opening (162) close company (17), the channel internal diameter of described sparger (16) is expanded to ejiction opening (162) gradually by described entrance (161);
The sidewall of described receiver (17) offers flow-guiding mouth (174), and described flow-guiding mouth (174) is communicated with the passage of described outlet pipe (13) and described receiver (17).
3. the drainage system of strong sucking pump according to claim 2, it is characterized in that, described receiver (17) is provided with the first air-flow path (171), the second air-flow path (172) successively along the flow direction of air-flow, the internal diameter of described first air-flow path (171) is greater than the internal diameter of described second air-flow path (172), and described flow-guiding mouth (174) is opened in the sidewall of described first air-flow path (171);
The ejiction opening (162) of described sparger (16) is near the joining place of described first air-flow path (171) with described second air-flow path (172).
4. the drainage system of strong sucking pump according to claim 3, it is characterized in that, concordant described first air-flow path (171) of described ejiction opening (162) is connected section with described second air-flow path (172), and the periphery wall that described ejiction opening (162) is held has certain interval with the described port inner diameter being connected section.
5. the drainage system of strong sucking pump according to claim 4, it is characterized in that, described receiver (17) is also provided with the 3rd air-flow path (173), the entrance of described 3rd air-flow path (173) is communicated with the outlet of described second air-flow path (172), and the internal diameter of described 3rd air-flow path (173) expands gradually along air current flow direction.
6. the drainage system of the strong sucking pump according to any one of claim 2-5, it is characterized in that, described drainage system (10) also comprises the Diffuser (18) of described receiver (17) that are tightly connected, and the air-flow path internal diameter of described Diffuser (18) expands gradually along air current flow direction.
7. the drainage system of the strong sucking pump according to any one of claim 1-5, it is characterized in that, described drainage system (10) is provided with static charge canceller (19), and described static charge canceller (19) is placed in the outer surface of described jet-impingement module (A).
8. a strong sucking pump, comprise main pump (20), drainage system (10) and control the control gear (30) of described main pump (20) and described drainage system (10), it is characterized in that, described drainage system (10) is the drainage system (10) such as according to any one of claim 1 to 7.
9. strong sucking pump according to claim 8, it is characterized in that, described drainage system (10) and described control gear (30) are all placed in same anti-explosion box body (40), and described drainage system (10) is communicated with by the pump chamber of connecting tube with described main pump (20).
10. strong sucking pump according to claim 9, it is characterized in that, described control gear (30) comprises the patrol police's module, terminal block (31) and the digital display screen (32) that detect described drainage system (10) working state, described patrol police's module connects described drainage system (10) by described terminal block (31), and described digital display screen (32) shows the signal that described patrol police's module detects.
CN201510109020.7A 2015-03-10 2015-03-10 Strong suction pump and drainage device thereof Pending CN104653472A (en)

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CN201510109020.7A CN104653472A (en) 2015-03-10 2015-03-10 Strong suction pump and drainage device thereof

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709716A1 (en) * 1986-03-28 1987-10-01 Ckd Praha Ships engine cooling water pump
CN201059289Y (en) * 2007-06-08 2008-05-14 兖州煤业股份有限公司 Negative pressure generator for bottomless-valve water pump suction pipe
CN101737362A (en) * 2008-11-19 2010-06-16 沈阳耐蚀合金泵股份有限公司 Self-control fluid jet and drainage lift pump
CN203175875U (en) * 2013-04-03 2013-09-04 周寿云 Horizontal type self-priming pump
CN204493205U (en) * 2015-03-10 2015-07-22 刘先峰 A kind of strong sucking pump and drainage system thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709716A1 (en) * 1986-03-28 1987-10-01 Ckd Praha Ships engine cooling water pump
CN201059289Y (en) * 2007-06-08 2008-05-14 兖州煤业股份有限公司 Negative pressure generator for bottomless-valve water pump suction pipe
CN101737362A (en) * 2008-11-19 2010-06-16 沈阳耐蚀合金泵股份有限公司 Self-control fluid jet and drainage lift pump
CN203175875U (en) * 2013-04-03 2013-09-04 周寿云 Horizontal type self-priming pump
CN204493205U (en) * 2015-03-10 2015-07-22 刘先峰 A kind of strong sucking pump and drainage system thereof

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Application publication date: 20150527