CN204941464U - A kind of being used for sweeps chamotte mould negative pressure blow-off device bottom settling tank automatically - Google Patents
A kind of being used for sweeps chamotte mould negative pressure blow-off device bottom settling tank automatically Download PDFInfo
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- CN204941464U CN204941464U CN201520603904.3U CN201520603904U CN204941464U CN 204941464 U CN204941464 U CN 204941464U CN 201520603904 U CN201520603904 U CN 201520603904U CN 204941464 U CN204941464 U CN 204941464U
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Abstract
The utility model discloses a kind of for automatically sweeping chamotte mould negative pressure blow-off device bottom settling tank.The bottom of mud room received of negative pressure blow-off device is provided with and sweeps mud passage, and the upper port of sweeping mud passage is communicated with draws mud chamber, lower port towards receiving the below of mud room, and the outer end mouth of pipe of the lower port and mud guide pipe of sweeping mud passage is arranged at interval in the horizontal direction.Discharge opeing is helped like this in injection, but when closing blowoff valve, discharge opeing is helped to build the pressure occurring in mixing tube, comb is helped to make helping discharge opeing to flow through successively, the row's of helping nozzle, negative pressure gap, draw mud chamber, after sweeping mud passage, be injected in and receive the below of mud room, with by helping discharge opeing to dilute the mud received below mud room, wash away, these mud are made to be helped discharge opeing to be washed near the outer end mouth of pipe of mud guide pipe, therefore in the utility model, negative pressure blow-off device can be cleared up the mud of bottom settlings, to reduce the spoil disposal dead angle at the bottom of tank, mud at the bottom of the tank of settling tank is avoided to clear up in time.
Description
Technical field
The utility model relates to a kind of for automatically sweeping chamotte mould negative pressure blow-off device bottom settling tank.
Background technology
At present, the volume of the settling tank that oil field is used even goes up ten thousand stere at hundreds of to thousands of usually, and is a confined space, and the removing problem of mud at the bottom of tank is a great problem always.In prior art settling tank tank at the bottom of the method that usually adopts of sludge removal be: not spoil disposal at ordinary times, after the time, long settled sludge affected tank body water quality too much, tank body quits work, and discharges water in water pot, after carrying out the eliminating potential safety hazards such as ventilation, tank clearly of manually dredging.This method not only affects production, and costly, and there is unsafe factor.
The Chinese patent literature CN2350522Y(day for announcing is on November 24th, 1999) disclose " negative pressure blow-off device ", comprise the anemostat sealing successively from front to back and connect, mixing tube, receive mud room, anemostat is the conical tube expanded gradually from front to back, the large end of anemostat is connected on blow-off pipe, small end is connected on mixing tube, receive mud room rear end connect help comb, help the front end of comb to penetrate to receive mud indoor, and be provided with the right back row's of the helping nozzle narrowed gradually forward, the row's of helping nozzle and mixing tube coaxially arranged, and receive mud room sidewall on be connected with four mud guide pipes, four mud guide pipes are uniform and outwards stretch in same level, the end of mud guide pipe connects horn mouth.Before use, horn mouth is arranged at the bottom of the tank of settling tank, and comb will be helped to be connected to help on comb line, blow-off pipe is connected on blowdown pipeline, with when settling tank needs spoil disposal, open the outer valve of the tank helping comb line, help discharge opeing will help comb and the row's of helping nozzle by helping comb line to enter, small end inner diameter due to the row's of helping nozzle is less than the internal diameter helping comb, chock pressure difference is produced to helping discharge opeing, make to help discharge opeing flow at high speed in mixing tube, to form low pressure ring cavity receiving between the inwall of mud room and the outer wall helping comb, so just by mud guide pipe, swabbing action is produced to the mud at the bottom of tank, mud constantly will be poured in receiving mud room by mud guide pipe, helped again after fully mixing in discharge opeing suction mixing tube, quiet anemostat deceleration supercharging, tank body is discharged from blow-off pipe.But because four mud guide pipes of negative pressure blow-off device are distributed on excretion machine surrounding, so define spoil disposal dead angle in the territory, tank base area of excretion machine bottom, when negative pressure blow-off device works, the settled sludge at this place cannot be discharged, time one is long, can affect the quality of sewerage treatment.
Utility model content
The purpose of this utility model is to provide a kind of negative pressure blow-off device reducing spoil disposal dead angle at the bottom of tank.
In order to realize above object, in the utility model, the technical scheme of negative pressure blow-off device is as follows:
Negative pressure blow-off device, comprise receive that mud room and both sides, front and back thereof arrange help comb, mixing tube, before mixing tube is in and helps comb, the front end of comb is helped to be provided with the endoporus diminishing row of helping nozzle from back to front, between the spout of the row's of helping nozzle and the rear end mouth of pipe of mixing tube, there is negative pressure gap, negative pressure gap is communicated with to be in and helps comb, what the row's of helping nozzle and mixing tube were formed help the periphery of discharge pipe and receive mud room inwall between draw mud chamber, and inner connection draw mud chamber receiving the sidewall of mud room is connected with, the mud guide pipe that outer end is stretched in the horizontal direction, receiving the bottom of mud room is provided with and sweeps mud passage, the upper port of sweeping mud passage is communicated with draws mud chamber, lower port is towards receiving the below of mud room, and the outer end mouth of pipe of the lower port and mud guide pipe of sweeping mud passage is arranged at interval in the horizontal direction.
Sweep mud passage and comprise the throttling pillar sweeping mud hole and interior assembling thereof being arranged on the upper downward-extension received bottom mud room, throttling pillar offers the throttle orifice of upper end open, lower end closed, the hole wall of throttle orifice offers inside and outside throttling breach, throttling barbed portion or be all communicated with the aperture, lower end of throttle orifice, described in sweep mud passage upper port be the aperture, upper end of throttle orifice.
Flexible along the vertical direction adjustable being assemblied on the hole wall of throttle orifice of throttling pillar.
The lower end of throttling pillar is provided with the throttling cap being in below throttling breach, the edge of throttling cap has the throttling vertically relative with the lower stomidium sweeping mud hole and keeps off edge, the throttling gear of throttling cap along and sweep mud hole lower stomidium along the throttle clearance surrounding annular, described in sweep mud passage lower port be throttle clearance.
The pressed on ring end face on throttling gear edge and/or the lower stomidium of sweeping mud hole are along for become the large conical surface gradually from top to bottom.
The pressed on ring end face on throttling gear edge becomes the large conical surface with the lower stomidium sweeping mud hole from top to bottom gradually along being, and the tapering of the pressed on ring end face on throttling gear edge is greater than the tapering on the lower stomidium edge of sweeping mud hole.
The bottom of throttling breach extends on the pressed on ring end face on throttling gear edge.
In the utility model, the bottom of mud room received of negative pressure blow-off device is provided with and sweeps mud passage, and the upper port of sweeping mud passage is communicated with draws mud chamber, lower port towards receiving the below of mud room, and the outer end mouth of pipe of the lower port and mud guide pipe of sweeping mud passage is arranged at interval in the horizontal direction.Discharge opeing is helped like this in injection, but when closing blowoff valve, discharge opeing is helped to build the pressure occurring in mixing tube, comb is helped to make helping discharge opeing to flow through successively, the row's of helping nozzle, negative pressure gap, draw mud chamber, after sweeping mud passage, be injected in and receive the below of mud room, with by helping discharge opeing to dilute the mud received below mud room, wash away, these mud are made to be helped discharge opeing to be washed near the outer end mouth of pipe of mud guide pipe, when now opening the words of blowoff valve, swiftly flowingly help discharge opeing directly will enter mixing tube with nozzle, form low pressure drawing in mud chamber, settled sludge near its outer end mouth of pipe is sucked by mud guide pipe and draws mud chamber, again by discharging after mixing tube mixing, therefore in the utility model, negative pressure blow-off device can drive the mud of bottom settlings and sweeps, to reduce the spoil disposal dead angle at the bottom of tank, improve sludge discharge effects.
Accompanying drawing explanation
Fig. 1 is the structural representation of negative pressure blow-off device in embodiment of the present utility model;
Fig. 2 is the upward view of Fig. 1.
Detailed description of the invention
The embodiment of negative pressure blow-off device in the utility model: as depicted in figs. 1 and 2, the installation quantity of this negative pressure blow-off device at the bottom of tank is determined according to the area at the bottom of tank and blowdown flow rate, each negative pressure blow-off device front end is connected on blowdown pipeline, front end is connected to and helps on comb line, and be serially connected with on blowdown pipeline and control the blowoff valve of its switch, help comb line is serially connected with control its switch help valve.
Negative pressure blow-off device comprises the anemostat 2 set gradually from front to back, mixing tube 3, receive mud room 8, receive mud room 8 rear wall on install and help comb, help the front end of comb to penetrate to receive position later in mixing tube 3 in mud room 8, the front end of comb is helped to be provided with the endoporus diminishing row of helping nozzle 4 from back to front, between the spout of the row's of helping nozzle 4 and the rear end mouth of pipe of mixing tube 3, there is negative pressure gap, negative pressure gap is communicated with to be in and helps comb, what the row's of helping nozzle 4 and mixing tube 3 were formed help the periphery of discharge pipe and receive mud room 8 inwall between draw mud chamber, this draws mud chamber is receive the internal face of mud room 8 and the toroidal cavity that helps outer tube 1 wall of comb to surround.Receiving the bottom of mud room 8 is provided with and sweeps mud passage, this sweep mud passage comprise be opened in receive mud room 8 bottom lowest part and near the pilot hole of front side, be coated with in pilot hole to be welded on and receive driving on the sidewall of mud room 8 and sweep cover 5, drive the endoporus sweeping cover 5 be up-small and down-big step sweep mud hole, sweep in mud hole the throttling pillar 10 being equipped with and extending up and down.Throttling pillar 10 offers the throttle orifice of upper end open, lower end closed, the whole upper port of sweeping mud passage of the upper end hole interruption-forming of throttle orifice, the hole wall of throttle orifice offers throttling breach 12 uniformly at intervals in throttling pillar 10 circumference, throttling breach 12 is in the middle part of throttling pillar 10, and the inner of throttling breach 12 is communicated with throttle orifice, outer end is communicated with the aperture, lower end of sweeping mud hole by the macropore section of sweeping mud hole; The threaded upper ends of throttling pillar 10 be connected to sweep mud hole aperture section on, and the upper end of throttle orifice is stretched out from the upper end of sweeping mud hole, block that extension is threaded is driving the adjusting nut 7 sweeping cover more than 5, and to make, throttling pillar 10 is flexible along the vertical direction adjustable to be assemblied on the hole wall of throttle orifice; The lower end of throttling pillar 10 is provided with the throttling cap 6 being in throttling breach less than 12, the edge of throttling cap 6 stretches out from the periphery of throttling pillar 10 and has the throttling vertically relative with the lower stomidium sweeping mud hole and keeps off edge, the lower end wall of this throttling gear pressed on ring end face on edge and throttling breach 12 is coplanar, namely the bottom of throttling breach 12 extends on the pressed on ring end face on throttling gear edge, the throttling gear of throttling cap 6 surrounds annular throttle clearance 11 along with the lower stomidium edge of sweeping mud hole, and this throttle clearance 11 defines whole lower port of sweeping mud passage.The pressed on ring end face on throttling gear edge becomes the large conical surface with the lower stomidium sweeping mud hole from top to bottom gradually along being, and the tapering of the pressed on ring end face on throttling gear edge is greater than the tapering on the lower stomidium edge of sweeping mud hole, is the reducing gap narrowed gradually from top to bottom to make throttle clearance 11.
Receive the periphery of mud room 8 be provided with four stretch to surrounding in the horizontal direction receive mud room 9, respectively receive the inner of mud room 9 be communicated with receive in mud room 8 draw mud chamber, outer end stretches in the horizontal direction, and be equipped with horn mouth respectively receiving on the outer end mouth of pipe of mud room 9,150mm-170mm at the bottom of the tank of this horn mouth distance tank body.
Help the rear end of comb to be press-fited by union and be fixed with filter, filter offers filtration sieve aperture.
In the present embodiment, negative pressure blow-off device is when assembling, and is welded on by anemostat 2 on mixing tube 3, is welded on by outer tube 1 on anemostat 2 and mixing tube 3; Receiving mud room 8 is welded on the rear end of mixing tube 3, and the row's of helping nozzle 4 inserts and receives in mud room 8, and receives on the end interface of mud room 8 by helping comb to be welded on; Being screwed into by throttling pillar 10 to drive sweeps in cover 5, and upper end dress adjusting nut 7, adjusts the size of throttle clearance 11 by adjusting nut 7, sweeps cover 5 and is welded on by driving and receives the lower end of mud room 8; Receive mud room 9 for four to be welded on and to receive on four interfaces of mud room 8, and in 90 ° being distributed in receives mud room 8 surrounding mutually.
In the present embodiment, the operating principle of negative pressure blow-off device is: this negative pressure blow-off device is installed on tank base, and the row's of helping nozzle 4 is connected with helping tapping line outside tank body, and outer tube 1 is connected with the outer blowdown pipeline of tank body.Before outside blowoff valve is opened, high pressure helps discharge opeing after the row's of helping nozzle 4, first enter receive mud room 8 draw in mud chamber, spray after driving the fairshaped throttle clearance 11 raising speed of sweeping between cover 5 and throttling pillar 10, settled sludge below excretion machine is driven and sweeps near four horn mouths receiving mud room 9.After opening blowoff valve, swiftly flowingly help discharge opeing directly will enter in mixing tube 3 by the row's of helping nozzle 4, liquid produces throttling at nozzle place, pressure energy is changed into speed energy, receiving inside, mud room 8 formation low-pressure area, relative pressure and negative pressure being produced to the mud being deposited on tank base, makes bottom settlings mud under the swabbing action of negative pressure, immediately effectively discharged tank body by receiving mud room 9, thus solve tank base cannot the problem of clear mud immediately.
In other embodiments, sweeping mud passage also can be receive the opening offered bottom mud room, this opening can use Valve controlling switch, also can be straight-through form, because after blowoff valve is opened, whole mud chamber of drawing will present low pressure, be equivalent to mixing tube and front side connecting pipe thereof by what receive mud room and draw the short circuit of mud chamber.
In other embodiments, the rear end of mixing tube also can be docked receiving mud indoor with the row of helping nozzle mutually, now draw mud chamber to should be mixing tube and help part beyond comb, namely draw mud chamber should be help comb, the row's of helping nozzle and mixing tube to be formed help the periphery of discharge pipe and receive mud room inwall between chamber.
In other embodiments, the mode that throttling pillar not only can be threaded connection is connected to sweeps in mud hole, with holding out against screw, holding out against the form such as cylinder, multistage pin-and-hole realization locking after also can being coordinated by upper and lower guiding movement.
Claims (7)
1. negative pressure blow-off device, comprise receive that mud room and both sides, front and back thereof arrange help comb, mixing tube, before mixing tube is in and helps comb, the front end of comb is helped to be provided with the endoporus diminishing row of helping nozzle from back to front, between the spout of the row's of helping nozzle and the rear end mouth of pipe of mixing tube, there is negative pressure gap, negative pressure gap is communicated with to be in and helps comb, what the row's of helping nozzle and mixing tube were formed help the periphery of discharge pipe and receive mud room inwall between draw mud chamber, and inner connection draw mud chamber receiving the sidewall of mud room is connected with, the mud guide pipe that outer end is stretched in the horizontal direction, it is characterized in that, receiving the bottom of mud room is provided with and sweeps mud passage, the upper port of sweeping mud passage is communicated with draws mud chamber, lower port is towards receiving the below of mud room, and the outer end mouth of pipe of the lower port and mud guide pipe of sweeping mud passage is arranged at interval in the horizontal direction.
2. negative pressure blow-off device according to claim 1, it is characterized in that, sweep mud passage and comprise the throttling pillar sweeping mud hole and interior assembling thereof being arranged on the upper downward-extension received bottom mud room, throttling pillar offers the throttle orifice of upper end open, lower end closed, the hole wall of throttle orifice offers inside and outside throttling breach, throttling barbed portion or be all communicated with the aperture, lower end of throttle orifice, described in sweep mud passage upper port be the aperture, upper end of throttle orifice.
3. negative pressure blow-off device according to claim 2, is characterized in that, flexible along the vertical direction adjustable being assemblied on the hole wall of throttle orifice of throttling pillar.
4. the negative pressure blow-off device according to Claims 2 or 3, it is characterized in that, the lower end of throttling pillar is provided with the throttling cap being in below throttling breach, the edge of throttling cap has the throttling vertically relative with the lower stomidium sweeping mud hole and keeps off edge, the throttling gear of throttling cap along and sweep mud hole lower stomidium along the throttle clearance surrounding annular, described in sweep mud passage lower port be throttle clearance.
5. negative pressure blow-off device according to claim 4, is characterized in that, the pressed on ring end face on throttling gear edge and/or the lower stomidium of sweeping mud hole are along for become the large conical surface gradually from top to bottom.
6. negative pressure blow-off device according to claim 5, it is characterized in that, the pressed on ring end face on throttling gear edge becomes the large conical surface with the lower stomidium sweeping mud hole from top to bottom gradually along being, and the tapering of the pressed on ring end face on throttling gear edge is greater than the tapering on the lower stomidium edge of sweeping mud hole.
7. negative pressure blow-off device according to claim 4, is characterized in that, the bottom of throttling breach extends on the pressed on ring end face on throttling gear edge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603904.3U CN204941464U (en) | 2015-08-12 | 2015-08-12 | A kind of being used for sweeps chamotte mould negative pressure blow-off device bottom settling tank automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603904.3U CN204941464U (en) | 2015-08-12 | 2015-08-12 | A kind of being used for sweeps chamotte mould negative pressure blow-off device bottom settling tank automatically |
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| CN204941464U true CN204941464U (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159228A (en) * | 2019-04-22 | 2019-08-23 | 江苏云端重工科技有限公司 | A kind of ground sludge in-situ processing device |
| CN113479981A (en) * | 2021-07-27 | 2021-10-08 | 河南大张过滤设备有限公司 | Sewage treatment method |
-
2015
- 2015-08-12 CN CN201520603904.3U patent/CN204941464U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159228A (en) * | 2019-04-22 | 2019-08-23 | 江苏云端重工科技有限公司 | A kind of ground sludge in-situ processing device |
| CN110159228B (en) * | 2019-04-22 | 2021-10-15 | 江苏云端重工科技有限公司 | On-spot processing apparatus of fatlute falls to ground |
| CN113479981A (en) * | 2021-07-27 | 2021-10-08 | 河南大张过滤设备有限公司 | Sewage treatment method |
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