CN105507327A - Slurry liquid level control system and control method - Google Patents
Slurry liquid level control system and control method Download PDFInfo
- Publication number
- CN105507327A CN105507327A CN201510864498.0A CN201510864498A CN105507327A CN 105507327 A CN105507327 A CN 105507327A CN 201510864498 A CN201510864498 A CN 201510864498A CN 105507327 A CN105507327 A CN 105507327A
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- China
- Prior art keywords
- mud
- slush pump
- slurry
- liquid level
- storing box
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/02—Level control, e.g. controlling quantity of material stored in vessel without auxiliary power
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Abstract
The invention relates to a slurry liquid level control system and a control method. The system comprises a slurry storage box, a second slurry pump and a control device, wherein the slurry storage box is arranged near a slot section; a first slurry pump is arranged in the slurry storage box; the first slurry pump is connected to a first conduit; the first conduit extends into slurry in the slot section; the second slurry pump is arranged in the slurry in the slot section; the second slurry pump is connected to a second conduit; the second conduit extends into the slurry storage box; the control device is connected to the first slurry pump and the second slurry pump; and the control device is used for detecting liquid level height of the slurry in the slot section in real time, and is used for controlling the operation of the first slurry pump and the second slurry pump according to changes of the liquid level height for enabling the liquid level height to be equal to standard height. By keeping the balance of the slurry liquid level, the slurry liquid level control system can reduce the risk that collapse happens in a process of continuously forming a trench from a wall underground.
Description
Technical field
The present invention relates to the realm of building construction, refer in particular to a kind of mud fluid level control system and control method.
Background technology
Diaphragm wall in grooving process, when groover grab bucket from groove section out time, mud liquid level can be caused to decline rapidly, make mud liquid level too low, thus increase the risk of caving in grooving process.When mud liquid level is too low, just need to supplement the requirement (be not less than and lead metope 30cm) that mud reaches regulation and stipulation rapidly.
In existing work progress, usual employing manually controls the mud liquid level in grooving process, method is as follows: A worker stands dig-ins mud liquid level in groove section on groove section side, B workman is positioned at mud gauge tap position, when A workman finds that mud liquid level is too low, notice B workman adds mud, stops after reaching height.Because manual observation, notice and switch have time delay, so cause mud to supplement in time, add the risk of caving in grooving process.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of mud fluid level control system and control method are provided, solve existing manual observation, notice and switch and there is time delay and cause mud can not supplement and then increase the problem of the risk of caving in grooving process in time.
The technical scheme realizing above-mentioned purpose is:
A kind of mud liquid level of the present invention control method, comprising:
Slurry-storing box is set near groove section, in described slurry-storing box, is provided with the first slush pump, the first conduit that described first slush pump connects is stretched in the mud in groove inlet section;
Second slush pump is set in groove section, the second conduit that described second slush pump connects is stretched in described slurry-storing box;
The liquid level of mud in Real-Time Monitoring groove section, when described liquid level is higher than calibrated altitude, controls described second slush pump and runs to be evacuated in described slurry-storing box by the mud in groove section, until described liquid level is equal with described calibrated altitude; When described liquid level is lower than calibrated altitude, controls described first slush pump and run so that the mud in described slurry-storing box is evacuated in described groove section, until described liquid level is equal with described calibrated altitude.
The liquid level of mud in Real-Time Monitoring groove section of the present invention, by arranging slurry-storing box, the first slush pump and the second slush pump, the closely fast repairing realizing mud is charged to equilbrium position, solve the time delay occurred because of Artificial Control liquid level, the problem even incured loss through delay, ensure that the balance of mud liquid level in grooving process, reduce the gap that landslide occurs, improve execution control level, reduce construction cost, also reduce cost of labor.
The further improvement of mud liquid level control method of the present invention is, arranges the first control cabinet in the mud in described groove section, for controlling the operation of described second slush pump and described first slush pump, comprising:
Be provided with the first ball float in described first control cabinet, described first ball float hanged the mud surface be put in described groove section, for monitoring the liquid level of the mud in described groove section;
The first switch be positioned on described calibrated altitude and the second switch be positioned under described calibrated altitude is provided with in described first control cabinet, described first switch control rule is connected described second slush pump, for controlling the operation of described second slush pump, by the first slush pump described in described second switch control connection, for controlling the operation of described first slush pump;
When described liquid level is higher than described calibrated altitude, described first switch of described first ball float touching, makes described second slush pump run;
When described liquid level is lower than described calibrated altitude, described first ball float touches described second switch, and described first slush pump is run.
The further improvement of mud liquid level control method of the present invention is, described second slush pump and described first control cabinet are positioned over construct in the groove section of not constructing that is communicated with of groove section in.
The further improvement of mud liquid level control method of the present invention is, places mud pit, be communicated with by described mud pit with the mud in groove section in described groove section of not constructing;
Described second slush pump and described first control cabinet are installed in described mud pit.
The further improvement of mud liquid level control method of the present invention is, arranges the second control cabinet in described slurry-storing box, for controlling the mud amount in described slurry-storing box, comprising:
Arrange in described slurry-storing box and mend slurry pipe, for described slurry pipe of mending connects the 3rd slush pump being positioned at total mud pit;
Be provided with the second ball float in described second control cabinet, described second ball float is hanged the mud surface be put in described slurry-storing box, for monitoring the liquid level of mud in described slurry-storing box;
The upper switches being positioned at limit level and the lower switches being positioned at low limit level is provided with in described second control cabinet, by the 3rd slush pump described in described upper switches and described lower switches control connection, controlled the unlatching of described 3rd slush pump by described lower switches, controlled the closedown of described 3rd slush pump by described upper switches;
When the liquid level of the mud in described slurry-storing box reaches described low limit level, described second ball float touches described lower switches, described 3rd slush pump is opened and in described slurry-storing box, supplements mud by described benefit slurry pipe;
When the liquid level of the mud in described slurry-storing box reaches described limit level, described second ball float touches described upper switches, described 3rd slush pump cuts out and stops supplementing mud in described slurry-storing box.
Present invention also offers a kind of mud fluid level control system, comprising:
Be located at the slurry-storing box near groove section, be provided with the first slush pump in described slurry-storing box, described first slush pump is connected with the first conduit, and described first conduit stretches in the mud in described groove section;
Be located at the second slush pump in the mud in described groove section, described second slush pump is connected with the second conduit, and described second conduit stretches in described slurry-storing box; And
The control device be connected with described first slush pump and described second slush pump, described control device detects the liquid level of mud in described groove section in real time, and is equal to calibrated altitude for the operation controlling described first slush pump and described second slush pump according to the change of described liquid level to make described liquid level.
The further improvement of mud fluid level control system of the present invention is, described control device comprises the first control cabinet in the mud be located in described groove section, and described first control cabinet is for controlling the operation of described second slush pump and described first slush pump; Described first control cabinet comprises the first ball float, the first switch and second switch;
Wherein:
Described first switch to be positioned on described calibrated altitude and with described second slush pump control connection, for controlling the operation of described second slush pump;
Described second switch to be positioned under described calibrated altitude and with described first slush pump control connection, for controlling the operation of described first slush pump;
Described first ball float hangs the mud surface be put in described groove section, for monitoring the liquid level of mud in described groove section; When described liquid level is higher than described calibrated altitude, described first switch of described first ball float touching, makes described second slush pump run and is evacuated in described slurry-storing box by the mud in groove section; When described liquid level is lower than described calibrated altitude, described first ball float touches described second switch, described first slush pump is run and is evacuated in described groove section by the mud in described slurry-storing box.
The further improvement of mud fluid level control system of the present invention is, described second slush pump and described first control cabinet be arranged at construct in the groove section of not constructing that is communicated with of groove section in.
The further improvement of mud fluid level control system of the present invention is, place mud pit in described groove section of not constructing, described mud pit is communicated with the mud in groove section, described second slush pump of installing and described first control cabinet in described mud pit.
The further improvement of mud fluid level control system of the present invention is, is also provided with and mends slurry pipe in described slurry-storing box, and described slurry pipe of mending connects the 3rd slush pump being positioned at total mud pit; Described control device also comprises the second control cabinet be located in described slurry-storing box, and for controlling the mud amount in described slurry-storing box, described second control cabinet comprises the second ball float, upper switches and lower switches;
Wherein:
Described upper switches is positioned at limit level place and is connected with described 3rd slush pump, for controlling the closedown of described 3rd slush pump;
Described lower switches is positioned at low limit level place and is connected with described 3rd slush pump, for controlling the unlatching of described 3rd slush pump;
Described second ball float hangs the mud surface be put in described slurry-storing box, for monitoring the liquid level of mud in described slurry-storing box, when the liquid level of the mud in described slurry-storing box reaches described low limit level, described second ball float touches described lower switches, described 3rd slush pump is opened and in described slurry-storing box, supplements mud by described benefit slurry pipe; When the liquid level of the mud in described slurry-storing box reaches described limit level, described second ball float touches described upper switches, described 3rd slush pump cuts out and stops supplementing mud in described slurry-storing box.
Accompanying drawing explanation
Fig. 1 is the structural representation of mud fluid level control system of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The invention provides a kind of mud fluid level control system and control method, for automatically controlling mud liquid level in continuous wall trench underground process, to keep the balance of mud liquid level.Near groove section, slurry-storing box is set, first slush pump is set in slurry-storing box, by the first slush pump, the mud in slurry-storing box is pumped in groove section, second slush pump is set in the mud of groove section, by the second slush pump, the mud in groove section is pumped in slurry-storing box, control the operation of the first slush pump and the second slush pump according to the liquid level of mud in the groove section of Real-Time Monitoring, realize the mud liquid level in automatic control flume section.Solve the problem of time delay or the delay occurred because of Artificial Control liquid level, guarantee the stability of diaphragm wall in grooving process, reduce cost of labor.Below in conjunction with accompanying drawing, mud fluid level control system of the present invention and control method are described.
Consult Fig. 1, show the structural representation of mud fluid level control system of the present invention.Below in conjunction with Fig. 1, mud fluid level control system of the present invention is described.
As shown in Figure 1, mud fluid level control system of the present invention comprises slurry-storing box 12, first slush pump 13, second slush pump 14 and control device, slurry-storing box 12 is located near groove section 11, store a large amount of mud 121 in slurry-storing box 12, for timely and in-plant be supplement mud in groove section 11.First slush pump 13 is located in slurry-storing box 12, first slush pump 13 is connected with the first conduit 131, this first conduit 131 extend in the mud 114 in groove section 11, by the first conduit 131 and the first slush pump 13, the mud 121 in slurry-storing box 12 is pumped in groove section 11, to supplement mud in groove section 11.Second slush pump 14 is located in groove section 11, second slush pump 14 is connected with the second conduit 141, this second conduit 141 extend in slurry-storing box 12, is pumped in slurry-storing box 12, extracts out with the mud will had more in groove section 11 by the second conduit 141 and the second slush pump 14 by the mud 114 in groove section 11.Control device and the first slush pump 13 and the second slush pump 14 control connection, control device detects the liquid level of mud 114 in groove section 11 in real time, control the operation of the first slush pump 13 and the second slush pump 14 according to the change of the liquid level of mud 114, be equal to calibrated altitude to make liquid level.Namely when the liquid level detected is higher than calibrated altitude, controlling the second slush pump 14 runs the mud extraction in groove section 11, until liquid level equals calibrated altitude, when the liquid level detected is lower than calibrated altitude, control the first slush pump 13 and run supplementary mud in groove section 11, until liquid level equals calibrated altitude.
Mud fluid level control system of the present invention achieves the change automatically controlling mud liquid level in compensating groove section, the closely fast repairing realizing mud is charged to equilbrium position, ensure the stability of diaphragm wall in grooving process, reduce cost of labor simultaneously, effectively solve Artificial Control liquid level and the problem of the time delay occurred or even delay.
In the trenching construction of diaphragm wall, utilize groover construction groove section 11, the groove section 111 of having constructed, groove section 112 in hot work in progress, the groove section 113 of not constructing, be what be communicated with between three, arrange at the structure periphery of grooving and lead wall, be filled with mud 114 within the walls leading, utilize groover to be dug out by the soil body 115 of leading within the walls, in the process excavated, need the height guaranteeing mud liquid level, the calibrated altitude of mud liquid level leads metope 30cm for being not less than, and when avoiding mud liquid level too low, causes the danger of landslide.
Preferably, control device in the present invention comprises the first control cabinet 15 in the mud 114 be located in groove section 11, the operation of the first slush pump 13 and the second slush pump 14 is controlled by the first control cabinet 15, this first control cabinet 15 comprises the first ball float 151, first switch 152 and second switch 153, first switch 152 is positioned on the calibrated altitude of mud liquid level, this the first switch 152 and second slush pump 14 control connection, for controlling the operation of the second slush pump 14; Second switch 153 is positioned under the calibrated altitude of mud liquid level, and this second switch 153 and first slush pump 13 control connection, for controlling the operation of the first slush pump 13; The surface of the outstanding mud 114 be put in groove section 11 of the first ball float 151, for monitoring the liquid level of the mud 114 in groove section 11, when liquid level is higher than calibrated altitude, first ball float 151 touches the first switch 152, second slush pump 14 is run the mud in groove section 11 is evacuated in slurry-storing box 12, until the liquid level of mud in groove section 11 is identical with calibrated altitude.When liquid level is lower than calibrated altitude, the first ball float 151 touches second switch 153, the first slush pump 13 is run, is evacuated in groove section 11, the mud 121 in slurry-storing box 12 until liquid level is identical with calibrated altitude.When liquid level equals calibrated altitude, first ball float 151 is between the first switch 152 and second switch 153, do not touch the first switch 152 and second switch 153, make the first switch 152 and second switch 153 be in off-state, the first slush pump 13 and the second slush pump 14 all off-duties.Achieved the operation controlling the first slush pump 13 and the second slush pump 14 according to the change of liquid level by the first control cabinet 15, guarantee that the mud liquid level in groove section 11 keeps balance.The first ball float in first control cabinet, first switch, and the control principle of second switch is: the first ball float is fluctuations along with mud liquid level, when touching the first switch or second switch when the first ball float is in fluctuations, touched the first switch of arriving or second switch can be made to be communicated with, and then be that the second slush pump or the first slush pump are powered and impelled slush pump to run, when mud liquid level returns to calibrated altitude, first ball float can not touch the first switch or second switch, such first switch and second switch are just in off-state, can not power for corresponding slush pump.
Second slush pump 14 and the first control cabinet 15 be located at construct in the groove section 113 of not constructing that is communicated with of groove section 112 in, to avoid the construction operation hindering groover.Preferably, mud pit 17 is placed in the groove section 113 of not constructing, second slush pump 14 and the first control cabinet 15 are installed in mud pit 17, this mud pit 17 is communicated with the mud 114 in groove section 11, second slush pump 14 is located at the bottom of mud pit 17, the sidepiece of mud pit 17 is located at by the first control cabinet 15.
Also be provided with in slurry-storing box 12 and mend slurry pipe 122, supplementing of mud is carried out by mending in slurry pipe 122 pairs of slurry-storing box 12, this benefit slurry pipe 122 connects the 3rd slush pump (not shown) being positioned at total mud pit, is added in slurry-storing box 12 by mud by the 3rd slush pump and benefit slurry pipe 122.Control device of the present invention also comprises the second control cabinet 16 be located in slurry-storing box 12, this second control cabinet 16 is for controlling the mud amount in slurry-storing box 12, second control cabinet 16 comprises the second ball float 161, upper switches 162 and lower switches 163, wherein: upper switches 162 is positioned at limit level place and is connected with the 3rd slush pump, for controlling the closedown of the 3rd slush pump; Lower switches 163 is positioned at low limit level place and is connected with the 3rd slush pump, for controlling the unlatching of the 3rd slush pump; The outstanding mud surface be put in slurry-storing box 12 of second ball float 161, for monitoring the liquid level of mud 121 in slurry-storing box 12, when the liquid level of the mud 121 in slurry-storing box 12 reaches low limit level, second ball float 161 touches lower switches 163,3rd slush pump is opened, in slurry-storing box 12, mud is supplemented by mending slurry pipe 122, when the liquid level of the mud 121 in slurry-storing box 12 reaches limit level, second ball float 161 touches upper switches 162,3rd slush pump cuts out, to stop supplementing the mud in slurry-storing box 12.Limit level wherein and low limit level can set according to actual needs.
The beneficial effect of mud fluid level control system of the present invention is:
Provide a kind of mud automatic liquid surface control balance sysmte, by constantly monitoring in continuous wall trench underground process the change of mud liquid level in groove section of constructing, and the closely fast repairing realizing mud is charged to equilbrium position.Solve the time delay occurred because of Artificial Control liquid level or even the problem of delay, ensure that the stability of diaphragm wall in grooving process, also reduce cost of labor simultaneously.
By keeping the balance of mud liquid level, the risk occurring to cave in can be reduced in continuous wall trench underground process;
By mud automatic control system, execution control level can be improved, reduce construction cost simultaneously.
Below mud liquid level control method of the present invention is described.
Mud liquid level control method of the present invention comprises the steps: as shown in Figure 1, arranges slurry-storing box 12 near groove section 11, is provided with the first slush pump 13 in this slurry-storing box 12, and the first conduit 131 connected by the first slush pump 13 is stretched in the mud 114 in groove inlet section 11; Arrange the second slush pump 14 in mud 114 in groove section 11, the second conduit 141 connected by this second slush pump 14 extend in slurry-storing box 12; The liquid level of mud 114 in Real-Time Monitoring groove section 11, when liquid level is higher than calibrated altitude, controls the second slush pump 14 and runs to be evacuated in slurry-storing box 12 by the mud 114 in groove section 11, until liquid level is equal with described calibrated altitude; When liquid level is lower than calibrated altitude, controls the first slush pump 13 and run to be evacuated in groove section 11, the mud 121 in slurry-storing box 12 until liquid level is equal with calibrated altitude.By arranging slurry-storing box near groove section, realizing in-plant supplementary mud fast, making mud liquid level in groove section keep balance.By the controlling run of the first slush pump 13 and the second slush pump 14, achieve the automatic control of slurry liquid face balance, avoid manually-operated time delay and delay, have and control accurately, effectively to avoid the risk of caving in.
Can realize in the following way the control of the first slush pump 13 and the second slush pump 14 in the present invention: the first control cabinet 15 is set in the mud 114 in groove section 11, this first control cabinet 15 is for the operation of the second slush pump 14 and the first slush pump 13, particularly, the first ball float 151 is provided with in first control cabinet 15, by the surface of the outstanding mud 114 be put in groove section 11 of this first ball float 151, for monitoring the liquid level of the mud 114 in groove section 11; The first switch 152 be positioned on calibrated altitude and the second switch 153 be positioned under calibrated altitude is provided with in this first control cabinet 15, by the first switch 152 control connection second slush pump 14, for controlling the operation of the second slush pump 14, by second switch 153 control connection first slush pump 13, for controlling the operation of the first slush pump 13; When liquid level is higher than calibrated altitude, the first ball float 151 touches the first switch 152, and the second slush pump 14 is run, and is evacuated to by the mud in groove section 11 in slurry-storing box 12 until liquid level equals calibrated altitude; When liquid level is lower than calibrated altitude, the first ball float 151 touches second switch 153, the first slush pump 13 is run, is evacuated in groove section 11 by the mud in slurry-storing box 12, until liquid level equals calibrated altitude.When liquid level equals calibrated altitude, first ball float 151 is between the first switch 152 and second switch 153, do not touch the first switch 152 and second switch 153, make the first switch 152 and second switch 153 be in off-state, the first slush pump 13 and the second slush pump 14 all off-duties.Achieved the change of the liquid level according to the mud in groove section 11 by the first control cabinet 15, control the operation of the first slush pump 13 and the second slush pump 14, to guarantee that the liquid level of the mud in groove section 11 keeps balance.
The trenching construction of diaphragm wall, groover is utilized to carry out, the grab bucket of this groover from groove section out time, mud liquid level can be caused to decline rapidly, and cause the risk of landslide, control method of the present invention is for realizing the balance automatically keeping mud liquid level timely, the groove section 11 of groover construction comprises the groove section 111 completing construction, groove section 112 in hot work in progress, and the groove section 113 of not constructing, the second slush pump 14 in the present invention and the first control cabinet 15 are positioned over construct in the groove section 113 of not constructing that is communicated with of groove section 112 in, to avoid the operation hindering groover.Preferably, mud pit 17 is placed in the groove section 113 of not constructing, this mud pit 17 is communicated with the mud 114 in groove section 11, by mud pit 17 for the second slush pump 14 and the first control cabinet 15 provide installing basis, second slush pump 14 and the first control cabinet 15 are installed in mud pit 17, second slush pump 14 is installed in the bottom of mud pit 17, the sidepiece of the mud pit 17 that the first control cabinet 15 is installed.
Second control cabinet 16 being set in slurry-storing box 12, for controlling the mud amount in slurry-storing box 16, particularly, comprising the steps: to arrange in slurry-storing box 12 and mending slurry pipe 122, connecting for mending slurry pipe 122 the 3rd slush pump being positioned at total mud pit; The second ball float 161 is provided with, by the outstanding mud surface be put in slurry-storing box 12 of the second ball float 161, for monitoring the liquid level of mud 121 in slurry-storing box 12 in second control cabinet 16; The upper switches 162 being positioned at limit level and the lower switches 163 being positioned at low limit level is provided with in second control cabinet 16, by upper switches 162 and lower switches 163 control connection the 3rd slush pump, controlled the unlatching of the 3rd slush pump by lower switches, controlled the closedown of the 3rd slush pump by upper switches; When the liquid level of the mud 121 in slurry-storing box 12 reaches low limit level, the second ball float 161 touches lower switches 163, the 3rd slush pump is opened and in slurry-storing box 12, supplements mud by mending slurry pipe 122; When the liquid level of the mud 121 in slurry-storing box 12 reaches limit level, the second ball float 161 touches upper switches 162, the 3rd slush pump cuts out and stops supplementing mud in slurry-storing box 12.
The beneficial effect of mud liquid level control method of the present invention is:
Provide the method for a kind of mud automatic liquid surface control balance, by constantly monitoring in continuous wall trench underground process the change of mud liquid level in groove section of constructing, and the closely fast repairing realizing mud is charged to equilbrium position.Solve the time delay occurred because of Artificial Control liquid level or even the problem of delay, ensure that the stability of diaphragm wall in grooving process, also reduce cost of labor simultaneously.
By keeping the balance of mud liquid level, the risk occurring to cave in can be reduced in continuous wall trench underground process;
By mud autocontrol method, execution control level can be improved, reduce construction cost simultaneously.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (10)
1. a mud liquid level control method, is characterized in that, comprising:
Slurry-storing box is set near groove section, in described slurry-storing box, is provided with the first slush pump, the first conduit that described first slush pump connects is stretched in the mud in groove inlet section;
Second slush pump is set in groove section, the second conduit that described second slush pump connects is stretched in described slurry-storing box;
The liquid level of mud in Real-Time Monitoring groove section, when described liquid level is higher than calibrated altitude, controls described second slush pump and runs to be evacuated in described slurry-storing box by the mud in groove section, until described liquid level is equal with described calibrated altitude; When described liquid level is lower than calibrated altitude, controls described first slush pump and run so that the mud in described slurry-storing box is evacuated in described groove section, until described liquid level is equal with described calibrated altitude.
2. mud liquid level control method as claimed in claim 1, is characterized in that, arranges the first control cabinet in the mud in described groove section, for controlling the operation of described second slush pump and described first slush pump, comprising:
Be provided with the first ball float in described first control cabinet, described first ball float hanged the mud surface be put in described groove section, for monitoring the liquid level of the mud in described groove section;
The first switch be positioned on described calibrated altitude and the second switch be positioned under described calibrated altitude is provided with in described first control cabinet, described first switch control rule is connected described second slush pump, for controlling the operation of described second slush pump, by the first slush pump described in described second switch control connection, for controlling the operation of described first slush pump;
When described liquid level is higher than described calibrated altitude, described first switch of described first ball float touching, makes described second slush pump run;
When described liquid level is lower than described calibrated altitude, described first ball float touches described second switch, and described first slush pump is run.
3. mud liquid level control method as claimed in claim 2, is characterized in that, described second slush pump and described first control cabinet are positioned over construct in the groove section of not constructing that is communicated with of groove section in.
4. mud liquid level control method as claimed in claim 3, is characterized in that, place mud pit, be communicated with by described mud pit with the mud in groove section in described groove section of not constructing;
Described second slush pump and described first control cabinet are installed in described mud pit.
5. mud liquid level control method as claimed in claim 1 or 2, is characterized in that, arranges the second control cabinet in described slurry-storing box, for controlling the mud amount in described slurry-storing box, comprising:
Arrange in described slurry-storing box and mend slurry pipe, for described slurry pipe of mending connects the 3rd slush pump being positioned at total mud pit;
Be provided with the second ball float in described second control cabinet, described second ball float is hanged the mud surface be put in described slurry-storing box, for monitoring the liquid level of mud in described slurry-storing box;
The upper switches being positioned at limit level and the lower switches being positioned at low limit level is provided with in described second control cabinet, by the 3rd slush pump described in described upper switches and described lower switches control connection, controlled the unlatching of described 3rd slush pump by described lower switches, controlled the closedown of described 3rd slush pump by described upper switches;
When the liquid level of the mud in described slurry-storing box reaches described low limit level, described second ball float touches described lower switches, described 3rd slush pump is opened and in described slurry-storing box, supplements mud by described benefit slurry pipe;
When the liquid level of the mud in described slurry-storing box reaches described limit level, described second ball float touches described upper switches, described 3rd slush pump cuts out and stops supplementing mud in described slurry-storing box.
6. a mud fluid level control system, is characterized in that, comprising:
Be located at the slurry-storing box near groove section, be provided with the first slush pump in described slurry-storing box, described first slush pump is connected with the first conduit, and described first conduit stretches in the mud in described groove section;
Be located at the second slush pump in the mud in described groove section, described second slush pump is connected with the second conduit, and described second conduit stretches in described slurry-storing box; And
The control device be connected with described first slush pump and described second slush pump, described control device detects the liquid level of mud in described groove section in real time, and is equal to calibrated altitude for the operation controlling described first slush pump and described second slush pump according to the change of described liquid level to make described liquid level.
7. mud fluid level control system as claimed in claim 6, it is characterized in that, described control device comprises the first control cabinet in the mud be located in described groove section, and described first control cabinet is for controlling the operation of described second slush pump and described first slush pump; Described first control cabinet comprises the first ball float, the first switch and second switch;
Wherein:
Described first switch to be positioned on described calibrated altitude and with described second slush pump control connection, for controlling the operation of described second slush pump;
Described second switch to be positioned under described calibrated altitude and with described first slush pump control connection, for controlling the operation of described first slush pump;
Described first ball float hangs the mud surface be put in described groove section, for monitoring the liquid level of mud in described groove section; When described liquid level is higher than described calibrated altitude, described first switch of described first ball float touching, makes described second slush pump run and is evacuated in described slurry-storing box by the mud in groove section; When described liquid level is lower than described calibrated altitude, described first ball float touches described second switch, described first slush pump is run and is evacuated in described groove section by the mud in described slurry-storing box.
8. mud fluid level control system as claimed in claim 7, is characterized in that, described second slush pump and described first control cabinet be arranged at construct in the groove section of not constructing that is communicated with of groove section in.
9. mud fluid level control system as claimed in claim 8, is characterized in that, place mud pit in described groove section of not constructing, described mud pit is communicated with the mud in groove section, described second slush pump of installing and described first control cabinet in described mud pit.
10. mud fluid level control system as claimed in claims 6 or 7, is characterized in that, is also provided with and mends slurry pipe in described slurry-storing box, and described slurry pipe of mending connects the 3rd slush pump being positioned at total mud pit; Described control device also comprises the second control cabinet be located in described slurry-storing box, and for controlling the mud amount in described slurry-storing box, described second control cabinet comprises the second ball float, upper switches and lower switches;
Wherein:
Described upper switches is positioned at limit level place and is connected with described 3rd slush pump, for controlling the closedown of described 3rd slush pump;
Described lower switches is positioned at low limit level place and is connected with described 3rd slush pump, for controlling the unlatching of described 3rd slush pump;
Described second ball float hangs the mud surface be put in described slurry-storing box, for monitoring the liquid level of mud in described slurry-storing box, when the liquid level of the mud in described slurry-storing box reaches described low limit level, described second ball float touches described lower switches, described 3rd slush pump is opened and in described slurry-storing box, supplements mud by described benefit slurry pipe; When the liquid level of the mud in described slurry-storing box reaches described limit level, described second ball float touches described upper switches, described 3rd slush pump cuts out and stops supplementing mud in described slurry-storing box.
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| CN105507327B (en) | 2017-10-03 |
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