阅读说明：本技术 循环罐及钻井液循环罐自动感应清洗方法 (Circulating tank and automatic induction cleaning method for drilling fluid circulating tank ) 是由 张建卿 王清臣 韩成福 尚顺利 周荣海 王伟良 胡祖彪 李录科 朱明明 刘朝峰 于 2019-10-16 设计创作，主要内容包括：本发明循环罐及钻井液循环罐自动感应清洗方法,属于钻井工程循环系统机械技术领域,本发明提供的一种循环灌,其特征在于,包括：罐体；旋转喷射枪；沉砂感应器；供液泵,供液泵为旋转喷射枪提供喷射液；电控阀门,电控阀门用于开闭罐体下端的循环罐排出口；控制模块；旋转喷射枪设在所述罐体内顶端,用于探测循环罐内沉淀钻屑高度的沉砂感应器设在所述罐体内下侧,供液泵与旋转喷射枪连接,所述控制模块分别与所述电控阀门、供液泵、沉砂感应器电信号连接。能够自动感应罐内沉砂情况,并及时做出报警提示,能够及时发现沉量。能够自动冲洗罐内沉砂,不需要人员再进入罐内清除,提高了清除效率,消除了安全隐患。(The invention discloses a circulating tank and an automatic induction cleaning method for a drilling fluid circulating tank, belongs to the technical field of drilling engineering circulating system machinery, and provides a circulating tank which is characterized by comprising the following steps: a tank body; rotating the spray gun; a sand setting sensor; the liquid supply pump is used for supplying injection liquid for the rotary injection gun; the electric control valve is used for opening and closing the circulating tank outlet at the lower end of the tank body; a control module; the rotatory spray gun is established the internal top of jar for the setting inductor of surveying the interior sediment drill chip height of circulation jar is established the internal downside of jar, the feed pump is connected with the rotatory spray gun, control module respectively with automatically controlled valve, feed pump, setting inductor electricity signal connection. The sand setting condition in the tank can be automatically sensed, an alarm prompt is made in time, and the sand setting amount can be found in time. The sand setting in the tank can be automatically washed, and people do not need to enter the tank again to be removed, so that the removal efficiency is improved, and the potential safety hazard is eliminated.)

1. A recycling tank, comprising:

a tank body;

a rotary spray gun (2);

a sand setting sensor (3);

the liquid supply pump (16), the liquid supply pump (16) provides the spray liquid for the rotary spray gun (2);

the electric control valve is used for opening and closing a circulating tank outlet (10) at the lower end of the tank body;

a control module;

establish rotatory spray gun (2) the internal top of jar for set sand inductor (3) of surveying the interior sediment drill chip height of circulating tank are established the internal downside of jar, and liquid feed pump (16) are connected with rotatory spray gun (2), control module respectively with electric control valve, liquid feed pump (16), set sand inductor (3) signal connection.

2. The recycling tank according to claim 1, characterized in that the sand setting sensor (3) is externally provided with an audible and visual alarm, and the audible and visual alarm is electrically connected with the sand setting sensor (3) through the control module.

3. A circulating tank as claimed in claim 2, characterised in that the sand setting sensor (3) is a photoelectric sensor, an ultrasonic sensor, an infrared sensor and/or a laser sensor;

the control module comprises a sand setting induction module, a sand setting cleaning module and a sand setting cleaning closing module.

4. The recycling tank as claimed in claim 1, characterized in that the rotary spray gun (2) has a rotary spray head, a water supply pipe, a gear transmission member and a servo motor, the rotary spray head is rotatably connected to the end of the water supply pipe, and the servo motor is in transmission connection with the rotary spray head through the gear transmission member.

5. The recycling tank of claim 1, wherein said control module comprises:

a grit sensing module configured to monitor a height of drill cuttings accumulated at a bottom of the circulation tank using a grit sensor;

the settled sand cleaning module is configured to obtain a drill chip height value monitored by a settled sand sensor, control an electric control valve at a discharge port of the circulation tank to be opened after the height value exceeds a first preset height, and start a liquid supply pump to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a time preset value;

and the sand setting cleaning closing module is configured to continuously monitor the drill chip height value monitored by the sand setting sensor, and close the liquid supply pump and close the electric control valve at the discharge outlet of the circulating tank when the drill chip height value is lower than a second preset height.

6. The recycling tank of claim 5, further comprising:

and the sand setting sensing alarm module is configured to acquire the drilling cutting height value monitored by the sand setting sensor and start the audible and visual alarm to give an alarm after the height value exceeds a preset first height.

7. The recycling tank of claim 5, further comprising:

and the rotary spray gun control module is configured to control a micro servo motor at the head of the rotary spray gun to drive the rotating angle of the gun head of the rotary spray gun.

8. An automatic induction cleaning method for a drilling fluid circulation tank, which is used for the circulation tank of any one of claims 1 to 4, and is characterized by comprising the following steps:

monitoring the height of drill cuttings accumulated at the bottom of the circulating tank by using a sand setting sensor;

an electric control valve at the outlet is opened, and a liquid supply pump is started to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a preset time value;

and continuously monitoring the drilling cutting height value monitored by the sand setting sensor, and closing the liquid supply pump and closing the electric control valve at the discharge outlet of the circulating tank when the drilling cutting height value is lower than a second preset height.

9. The method of claim 8, further comprising:

and acquiring the height value of the drill cuttings monitored by the sand setting sensor, and starting an audible and visual alarm to give an alarm after the height value exceeds a preset first height.

10. The method of claim 8, further comprising:

and a miniature servo motor for controlling the head of the rotary spray gun drives the rotating angle of the gun head of the rotary spray gun.

Technical Field

The invention belongs to the technical field of drilling engineering circulating system machinery, and particularly relates to a circulating tank and an automatic induction cleaning method for a drilling fluid circulating tank.

Background

Drilling fluid circulation tank is when holding drilling fluid, and the drilling chip that is not clear away by solid control equipment in the drilling fluid deposits circulation tank bottom easily, owing to can not detect the sand setting volume of tank bottoms in time, generally only after having bored just clears up the interior sand setting of jar. Therefore, the sand deposition amount at the bottom of the circulating tank is large, particularly four corners of the circulating tank affect the performance of the drilling fluid during normal drilling; when the tank is cleaned, the personnel can only enter the circulating tank to clean the settled sand, the labor intensity and the difficulty are very high, and because the circulating tank is a closed space, the personnel have great potential safety risk hazards, and there are cases that the personnel for cleaning the tank are poisoned by carbon dioxide in the tank due to the fact that the personnel for cleaning the tank are not in place for monitoring.

Disclosure of Invention

The invention is specially carried out for solving the problems of high difficulty in cleaning sand in the circulating tank, low efficiency, high potential safety hazard during sand cleaning and the like. The invention provides a circulation tank and an automatic induction cleaning method for a drilling fluid circulation tank, which automatically induce the sand setting amount in the tank through an inductor, automatically alarm when the sand setting amount exceeds a set range, and connect a liquid supply pump and a rotary spray gun after receiving an alarm signal, wherein the spray gun can automatically clean the sand setting in the range, and the sand setting in the tank is easily washed to an opening at the bottom of the circulation tank by the injection of the spray gun and is cleaned out of the circulation tank because the tank bottom is a strong water repellency inclined tank bottom.

A recycling tank comprising:

a tank body;

rotating the spray gun;

a sand setting sensor;

the liquid supply pump is used for supplying injection liquid for the rotary injection gun;

the electric control valve is used for opening and closing the circulating tank outlet at the lower end of the tank body;

a control module;

the rotatory spray gun is established the internal top of jar for the setting inductor of surveying the interior sediment drill chip height of circulation jar is established the internal downside of jar, the feed pump is connected with the rotatory spray gun, control module respectively with automatically controlled valve, feed pump, setting inductor electricity signal connection.

And an audible and visual alarm is arranged outside the sand setting inductor and is electrically connected with the sand setting inductor through the control module.

The sand setting sensor is a photoelectric sensor, an ultrasonic sensor, an infrared light sensor and/or a laser sensor;

the control module comprises a sand setting induction module, a sand setting cleaning module and a sand setting cleaning closing module.

The rotary spray gun is provided with a rotary spray head, a water supply pipe, a gear transmission part and a servo motor, wherein the rotary spray head is rotatably connected to the end part of the water supply pipe, and the servo motor is in transmission connection with the rotary spray head through the gear transmission part.

The control module includes:

a grit sensing module configured to monitor a height of drill cuttings accumulated at a bottom of the circulation tank using a grit sensor;

the settled sand cleaning module is configured to obtain a drill chip height value monitored by a settled sand sensor, control an electric control valve at a discharge port of the circulation tank to be opened after the height value exceeds a first preset height, and start a liquid supply pump to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a time preset value;

and the sand setting cleaning closing module is configured to continuously monitor the drill chip height value monitored by the sand setting sensor, and close the liquid supply pump and close the electric control valve at the discharge outlet of the circulating tank when the drill chip height value is lower than a second preset height.

Further comprising:

and the sand setting sensing alarm module is configured to acquire the drilling cutting height value monitored by the sand setting sensor and start the audible and visual alarm to give an alarm after the height value exceeds a preset first height.

Further comprising:

and the rotary spray gun control module is configured to control a micro servo motor at the head of the rotary spray gun to drive the rotating angle of the gun head of the rotary spray gun.

The method comprises the following steps:

monitoring the height of drill cuttings accumulated at the bottom of the circulating tank by using a sand setting sensor;

an electric control valve at the outlet is opened, and a liquid supply pump is started to supply liquid to the rotary spray gun after the opening time of the electric control valve exceeds a preset time value;

and continuously monitoring the drilling cutting height value monitored by the sand setting sensor, and closing the liquid supply pump and closing the electric control valve at the discharge outlet of the circulating tank when the drilling cutting height value is lower than a second preset height.

Further comprising:

and acquiring the height value of the drill cuttings monitored by the sand setting sensor, and starting an audible and visual alarm to give an alarm after the height value exceeds a preset first height.

Further comprising:

and a miniature servo motor for controlling the head of the rotary spray gun drives the rotating angle of the gun head of the rotary spray gun.

The invention has the beneficial effects that 1, the sand setting condition in the tank can be automatically sensed, an alarm prompt is made in time, and the settling amount can be found in time.

2. The sand setting in the tank can be automatically washed, and people do not need to enter the tank again to be removed, so that the removal efficiency is improved, and the potential safety hazard is eliminated.

Drawings

FIG. 1 is a top view of a drilling fluid circulation tank system;

FIG. 2 is a diagram of the interior of a circulation tank of a drilling fluid circulation tank system;

FIG. 3 is an internal view of a closed transfer tube for cuttings in a drilling fluid circulation tank system;

FIG. 4 is a top view of a recycling tank of the present invention;

FIG. 5 is a cross-sectional view of a recycling tank of the present invention;

FIG. 6 is a block diagram of an embodiment of the internal control of a control module in a recirculation tank of the present invention;

FIG. 7 is a block diagram of another embodiment of the internal control of a control module in a recirculation tank of the present invention;

FIG. 8 is a block diagram of an embodiment of the internal control of a control module in a recirculation tank of the present invention;

FIG. 9 is a flow diagram of one embodiment of an automatic induction cleaning method for a drilling fluid circulation tank of the present invention;

FIG. 10 is a flow diagram of another embodiment of an automatic induction cleaning method for a drilling fluid circulation tank of the present invention;

FIG. 11 is a flow diagram of another embodiment of an automatic induction cleaning method for a drilling fluid circulation tank of the present invention;

FIG. 12 is a top view of a closed cuttings conveyance system;

FIG. 13 is a side view of a closed cuttings conveyance system;

FIG. 14 is a schematic view of the internal structure of a closed conveying pipe for cuttings in a closed conveying system for cuttings;

FIG. 15 is a schematic diagram of the overall structure of an automatic drilling fluid circulation tank feeding device when drilling fluid treatment agents are added;

fig. 16 is a schematic diagram of the whole structure of an automatic feeding device of a drilling fluid circulating tank when the automatic feeding device feeds materials into a charging bin.

Labeled as: 1. a circulation tank; 2. rotating the spray gun; 3. a sand setting sensor; 4. a drill cuttings closed conveying pipe; 5. controlling equipment fixedly; 6. a slurry-dispensing suction line; 7. a slurry pump absorption line; 8. a slurry preparation funnel; 9. an automatic feeding device; 10. a recycle tank discharge port; 11. an automatic sprayer; 12. a nozzle; 13. a transition groove; 14. the bottom inclined plane of the inclined plane tank with strong water repellency; 15. spraying a liquid supply pump; 16. a liquid supply pump; 17. a liquid supply tank; 18. burying a tank; 19. vibrating screen; 20. a discharge bin gate; 21. a charging bin; 22. a gantry crane; 23. a wire rope; 24. a charging console; 25. a treatment agent suction line; 26. slurry preparation funnel.

Detailed Description

It should be noted that, in the embodiments of the present invention, the terms referred to are:

the discharge bin gate 20, which is used for discharging, may be a prior art electric discharge valve.

The solid control equipment 5 belongs to the prior known technology, and at present, the solid control equipment mainly develops equipment with small occupied area, high efficiency and long service life, such as sand removal, mud removal, a deaerator and the like, is integrated with a high-speed centrifuge, and realizes an automatic detection and a solid control system for implementing control according to a detection result.

The system comprises a first preset height, a preset limit height value and a sand setting cleaning module, wherein the preset limit height value is set for a user, and the sand setting cleaning module controls an electric control valve at a discharge outlet of a circulating tank to be opened after monitoring that the drill chip exceeds the first preset height.

The second is preset highly, for the minimum height value that the user set up, and the sand setting washs and closes the automatically controlled valve of feed pump and closing the circulating tank exit when sensing that the drill chip is less than this second and predetermineeing highly.

And the time preset value is preset fixed time set by a user, and the liquid supply pump is started after the electric control valve is opened to exceed the time preset value.

The automatic feeding device of the drilling fluid circulating tank is a feeding system in the prior art or is provided by the invention and comprises a feeding hopper and a feeding device. The form of the loading hopper is various, and the loading hopper is usually in a cylindrical and conical combined form. The stirring paddle can be arranged in the hopper for quantitative feeding or forced feeding. In order to facilitate the feeding of the material hopper, a material level control device can be arranged to be matched with an automatic feeding device for feeding, and the automatic feeding device for the plastic extrusion molding mainly comprises blowing feeding, spring feeding, vacuum feeding and the like. The blowing feeder blows materials into a conveying pipeline by utilizing wind power, the materials are separated by a cyclone separator on a hopper, and solid materials fall into a charging hopper. This method is suitable for transporting granular materials and has a low transporting capacity.

A drilling fluid circulation tank solution provided by the embodiments of the present invention will be described in detail by several specific embodiments.