CN211246407U

CN211246407U - Special automatic control cabinet of liquid lubricant production for drilling fluid

Info

Publication number: CN211246407U
Application number: CN201922168676.2U
Authority: CN
Inventors: 何东升; 范树坡
Original assignee: Korla Mingyang Industry And Trade Co ltd
Current assignee: Korla Mingyang Industry And Trade Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-14
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a special automated control cabinet of liquid lubricant production for drilling fluid, concretely relates to switch board field, including former storage bucket, the bottom of former storage bucket fixed mounting respectively has weighing gauge block an, weighing gauge block b and weighing gauge block c, the fixed cover of discharge gate tip of former storage bucket is equipped with the conveyer pipe, be provided with control valve an, control valve b and control valve c in the pipe wall of conveyer pipe respectively, just the one end that former storage bucket was kept away from to the conveyer pipe is equipped with reation kettle, one side of reation kettle is provided with the switch board outward, one side top of switch board is fixed to be inlayed and is equipped with touch display screen, the inside fixed mounting of switch board has central processing unit. The utility model discloses a be equipped with the switch board, be favorable to realizing that the automatic measurement is reinforced, according to raw materials characteristic program intensification, stirring speed and churning time in the automatic control reation kettle dissolve and mix even back automatic control cooling, the automated production function of automatic measurement packing.

Description

Special automatic control cabinet of liquid lubricant production for drilling fluid

Technical Field

The utility model relates to a switch board technical field, more specifically say, the utility model relates to a special automated control cabinet of liquid lubricant production for drilling fluid.

Background

The drilling fluid lubricant is mainly used for reducing the flow resistance and the filter cake friction coefficient of the drilling fluid, reducing the drill torque well, improving the water horsepower of the drilling fluid and preventing sticking of a treating agent, and is prepared by blending animal and vegetable oil derivatives, synthetic compounds (such as fatty phenol amine) and a surfactant. Most of them have excellent lubricity, and this type is a liquid lubricant; the other type is solid lubricant, such as graphite glass micro-beads, plastic micro-beads, carbon micro-beads and the like, which is specially used for reducing the torque of the drill rod. Some lubricants have the function of preventing bit balling, and can be called balling-preventing agents, and most of liquid lubricants for drilling fluid are mixed by a plurality of liquids according to a certain proportion at a certain temperature in production.

However, the existing automatic control cabinet special for lubricant production still has more defects in actual use, if the fact that the manual addition is basically adopted when the mixed raw materials are added in the production and processing process of the liquid lubricant is not considered, the operation of workers is inconvenient in the production process, the addition amount cannot be accurately controlled, and various indexes of the product have differences caused by human factors, so that the product quality is unstable.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a special automated control cabinet of liquid lubricant production for drilling fluid through being equipped with the switch board, realizes that the automatic measurement is reinforced, according to raw materials characteristic program rising temperature, stirring speed and stirring time in the automatic control reation kettle dissolve the automatic control cooling after mixing evenly, the automated production function of automatic measurement packing.

In order to achieve the above object, the utility model provides a following technical scheme: a special automatic control cabinet for production of a liquid lubricant for drilling fluid comprises three groups of raw material barrels, wherein the bottoms of the three groups of raw material barrels are fixedly provided with a weighing block a, a weighing block b and a weighing block c respectively, the end part of a discharge port of each raw material barrel is fixedly sleeved with a conveying pipe, the pipe walls of the three groups of conveying pipes are respectively provided with a control valve a, a control valve b and a control valve c, one end of the conveying pipe, which is far away from the raw material barrels, is provided with a reaction kettle, the end part of the discharge port of the reaction kettle is provided with a packaging pipe, one end of the packaging pipe, which is far away from the reaction kettle, is fixedly connected with a packaging machine, one side of the reaction kettle is externally provided with a control cabinet, the top of one side of the control cabinet is fixedly embedded with a touch display screen;

the reaction kettle comprises a shell, wherein a feeding pipe penetrates through one side of the top of the shell, the feeding pipe is fixedly communicated with a conveying pipe, a discharging pipe penetrates through the bottom of the shell, the discharging pipe is fixedly communicated with a packaging pipe, a discharging valve is arranged in the pipe wall of the discharging pipe, a heating shell is fixedly arranged on the outer side of the shell, a temperature sensor is fixedly arranged on the inner wall of one side of the shell, a temperature regulator is fixedly connected to the outer side wall of the heating shell, the temperature regulator is electrically connected with the heating shell, a liquid level sensor is fixedly arranged on one side, away from the feeding pipe, of the top of the shell in a penetrating mode, and a stirring mechanism is arranged;

the stirring mechanism comprises a driving motor which is fixedly arranged at the center of the top of the shell, an output shaft of the stirring mechanism movably penetrates through the top of the shell and extends into the shell, a stirring shaft is fixedly connected with the output shaft of the shell, a plurality of groups of uniformly distributed stirring blades are welded and fixed on the rod wall of the stirring shaft, a fixing box is fixedly sleeved on the rod wall at the middle section of the stirring shaft, the two sides of the fixed box are both movably provided with rotating rods in a penetrating way, the rod wall of the rotating rods outside the fixed box is fixedly provided with a plurality of groups of fixed blades, the fixed blade is vertical to the stirring blade, a driving bevel gear is fixedly sleeved on the rod wall of the stirring shaft in the fixed box, the rotating rod is located the inside pole tip fixed mounting of fixed box and has driven bevel gear, driven bevel gear and the meshing of drive bevel gear.

In a preferred embodiment, a second heat dissipation fan is fixedly embedded at the bottom of one side of the control cabinet, and a first heat dissipation fan is fixedly embedded at the top of one side of the control cabinet far away from the second heat dissipation fan.

In a preferred embodiment, a first air pump is fixedly arranged between the tube walls of the delivery tube, and a second air pump is fixedly arranged between the tube walls of the packing tube.

In a preferred embodiment, a speed regulator is fixedly installed at the top of one side of the inner cavity of the control cabinet, a timer located at the bottom of the speed regulator is fixedly installed at one side of the inner cavity of the control cabinet, and the output end of the timer is electrically connected with the input end of the central processing unit.

In a preferred embodiment, the touch display screen is electrically connected to the central processing unit in a bidirectional manner, and the output end of the liquid level sensor is electrically connected to the input end of the central processing unit in a unidirectional manner.

In a preferred embodiment, the output ends of the weighing and measuring block a, the weighing and measuring block b and the weighing and measuring block c are all in one-way electrical connection with the input end of the central processing unit, and the input ends of the control valve a, the control valve b and the control valve c are all in one-way electrical connection with the output end of the central processing unit.

In a preferred embodiment, the output end of the temperature sensor is electrically connected to the input end of the central processing unit in a unidirectional manner, the input end of the temperature regulator is electrically connected to the output end of the central processing unit, and the output end of the temperature regulator is electrically connected to the input end of the heating shell.

In a preferred embodiment, the input end of the speed regulator is electrically connected with the output end of the central processing unit, the output end of the speed regulator is electrically connected with the input end of the driving motor, and the input end of the discharge valve is electrically connected with the output end of the central processing unit in a unidirectional mode.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the control cabinet is arranged, which is favorable for realizing automatic metering and feeding, the temperature is raised according to the characteristics of the raw materials, the stirring speed and the stirring time in the reaction kettle are automatically controlled, the temperature is automatically controlled and reduced after the materials are uniformly mixed, and the automatic production function of automatic metering and packaging solves the problems of the difference of each index of the product caused by human factors and the unstable product quality;

2. the utility model discloses a be equipped with rabbling mechanism, driving motor starts to drive the (mixing) shaft and rotates, and the (mixing) shaft drives stirring vane again and rotates the raw materials in the casing and stir the mixture, improves mixing efficiency, and when the (mixing) shaft rotated, the (mixing) shaft drove the rotation of drive bevel gear, and driven bevel gear drives the dwang and rotates, and then drives fixed blade and rotate, realizes turning the raw materials from top to bottom simultaneously at the rotation in-process, is favorable to improving the stirring and mixes the effect, improves production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic diagram of the structure of the production system of the present invention.

Fig. 2 is a schematic structural diagram of the reaction kettle of the present invention.

Fig. 3 is a side view structure section view of the control cabinet of the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

Fig. 5 is a schematic diagram of the system of the present invention.

The reference signs are: 1 raw material barrel, 11 weight metering blocks a, 12 control valves a, 13 weight metering blocks b, 14 control valves b, 15 weight metering blocks c, 16 control valves c, 2 delivery pipes, 3 first air pumps, 4 reaction kettles, 41 shells, 411 feed pipes, 412 discharge pipes, 413 discharge valves, 42 heating shells, 421 temperature sensors, 422 temperature regulators, 43 stirring mechanisms, 431 driving motors, 432 stirring shafts, 433 stirring blades, 434 rotating rods, 435 fixing blades, 436 fixing boxes, 437 driving bevel gears, 438 driven bevel gears, 44 liquid level sensors, 5 packaging pipes, 6 second air pumps, 7 packaging machines, 8 control cabinets, 81 touch display screens, 82 central processing units, 83 first heat dissipation fans, 84 second heat dissipation fans, 85 speed regulators and 86 timers;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a special automatic control cabinet of liquid lubricant production for drilling fluid as shown in figures 1-5, including raw material barrel 1, raw material barrel 1's quantity has three groups, three groups the bottom of raw material barrel 1 is fixed mounting respectively has weighing gauge block a11, weighing gauge block b13 and weighing gauge block c15, raw material barrel 1's discharge gate tip is fixed cover and is equipped with conveyer pipe 2, three groups be provided with control valve a12, control valve b14 and control valve c16 in the pipe wall of conveyer pipe 2 respectively, and the one end of conveyer pipe 2 that keeps away from raw material barrel 1 is equipped with reation kettle 4, reation kettle 4's discharge gate tip is equipped with packing tube 5, the one end fixedly connected with packagine machine 7 that reation kettle 4 was kept away from to packing tube 5, reation kettle 4's one side is equipped with switch board 8 outward, one side top of switch board 8 is fixed with touch display 81, a central processing unit 82 is fixedly arranged inside the control cabinet 8;

the reaction kettle 4 comprises a shell 41, a feed pipe 411 is installed on one side of the top of the shell 41 in a penetrating manner, the feed pipe 411 is fixedly communicated with a conveying pipe 2, a discharge pipe 412 is installed on the bottom of the shell 41 in a penetrating manner, the discharge pipe 412 is fixedly communicated with a packaging pipe 5, a discharge valve 413 is arranged in the pipe wall of the discharge pipe 412, a heating shell 42 is fixedly installed on the outer side of the shell 41, a temperature sensor 421 is fixedly installed on the inner wall of one side of the shell 41, a temperature regulator 422 is fixedly connected to the outer side wall of the heating shell 42, the temperature regulator 422 is electrically connected with the heating shell 42, a liquid level sensor 44 is fixedly installed on one side, away from the feed pipe 411, of the top of the shell 41 in a penetrating manner;

the stirring mechanism 43 comprises a driving motor 431, the driving motor 431 is fixedly installed at the top center of the casing 41, the output shaft of the stirring mechanism 43 penetrates through the top of the casing 41 and extends into the casing 41, the output shaft of the casing 41 is fixedly connected with a stirring shaft 432, a plurality of groups of uniformly distributed stirring blades 433 are fixedly welded on the rod wall of the stirring shaft 432, a fixing box 436 is fixedly sleeved on the rod wall at the middle section of the stirring shaft 432, rotating rods 434 are movably installed at both sides of the fixing box 436 in a penetrating manner, a plurality of groups of fixing blades 435 are fixedly installed on the rod wall of the rotating rod 434 outside the fixing box 436, the fixing blades 435 and the stirring blades 433 are vertically arranged, a driving bevel gear 437 is fixedly sleeved on the rod wall of the stirring shaft 432 inside the fixing box 436, and a driven bevel gear 438 is fixedly installed at the rod end of the rotating rod 434 inside the fixing box 436, the driven bevel gear 438 is engaged with the drive bevel gear 437.

Further, in the above technical solution, the bottom of one side of the control cabinet 8 is fixedly embedded with a second heat dissipation fan 84, the top of one side of the control cabinet 8, which is far away from the second heat dissipation fan 84, is fixedly embedded with a first heat dissipation fan 83, and the arrangement of the two heat dissipation fans is favorable for accelerating the air flow in the control cabinet 8 and improving the heat dissipation effect of the control cabinet 8;

further, in the above technical solution, a first air pump 3 is fixedly arranged between the tube walls of the delivery tube 2, and a second air pump 6 is fixedly arranged between the tube walls of the packing tube 5 to accelerate the flow of the raw materials and the products;

further, in the above technical solution, a speed regulator 85 is fixedly installed at the top of one side of the inner cavity of the control cabinet 8, a timer 86 located at the bottom of the speed regulator 85 is fixedly installed at one side of the inner cavity of the control cabinet 8, and an output end of the timer 86 is electrically connected with an input end of the central processing unit 82, so that the control cabinet 8 automatically adjusts the stirring speed of the driving motor 431;

further, in the above technical solution, the touch display screen 81 is electrically connected to the central processing unit 82 in a bidirectional manner, the output end of the liquid level sensor 44 is electrically connected to the input end of the central processing unit 82 in a unidirectional manner, and a worker can perform real-time allocation on the central processing unit 82 and other controlled elements through the touch display screen 81;

further, in the above technical solution, the output ends of the weighing and metering block a11, the weighing and metering block b13 and the weighing and metering block c15 are all electrically connected with the input end of the central processing unit 82 in a one-way manner, and the input ends of the control valve a12, the control valve b14 and the control valve c16 are all electrically connected with the output end of the central processing unit 82 in a one-way manner, so that the raw materials are conveyed into the reaction kettle 4 in batches and in different amounts, the metering accuracy is improved, and the product quality is improved;

further, in the above technical solution, the output end of the temperature sensor 421 is electrically connected to the input end of the central processing unit 82 in a unidirectional manner, the input end of the temperature regulator 422 is electrically connected to the output end of the central processing unit 82, and the output end of the temperature regulator 422 is electrically connected to the input end of the heating shell 42, so as to automatically control the internal temperature of the reaction kettle 4 to realize automatic blending, increase the temperature according to the characteristics of the raw materials, and automatically control the stirring speed and the stirring time;

further, in the above technical scheme, the input of speed regulator 85 and central processing unit 82's output electric connection, speed regulator 85's output and driving motor 431's input electric connection, the one-way electric connection of the input of bleeder valve 413 and central processing unit 82's output is convenient for regularly carry the good product of production to packagine machine 7 in and pack, has accelerated the production rate of product greatly.

The utility model discloses the theory of operation: the staff inputs the quantity of the raw material batch to be injected, the weight of each raw material batch and the interval time between each batch through the touch display screen 81 of the control cabinet 8, the raw material batch is stored through the central processor 82, the whole production process is started through one key on the touch display screen 81, the touch screen transmits an opening signal to the central processor 82, the weight metering block a11, the weight metering block b13 and the weight metering block c15 transmit the weight signal of the raw material barrel 1 to the central processor 82, the opening and closing degree of the control valve a12, the control valve b14 and the control valve c16 is controlled according to the analysis of the stored production data, the correspondingly metered raw materials are put into the conveying pipe 2 according to the batch and finally flow into the reaction kettle 4 for mixing and stirring production, the central processor 82 transmits an instruction to the temperature regulator 422 to electrify the heating shell 42 to heat the interior of the reaction kettle 4, meanwhile, the temperature sensor 421 monitors the temperature in the reaction vessel 4 in real time, transmits a signal to the central processor 82 in real time, the central processor 82 sends an instruction to the temperature regulator 422, so as to regulate and control the temperature in real time, when the reaction vessel 4 is heated, the central processor 82 controls the stirring mechanism 43 to stir and mix the raw materials, so as to improve the production efficiency, the stirring mechanism 43 starts the timer 86 to start timing, when the timing time is reached, the timer 86 transmits a signal to the central processor 82, so as to stop stirring, the discharge valve 413 is opened, the produced product is conveyed from the packaging pipe 5 to the packaging machine 7 for packaging, automatic metering and feeding are realized through the control cabinet 8, the temperature is raised according to a raw material characteristic program, the stirring speed and the stirring time in the reaction vessel 4 are automatically controlled, the temperature is automatically controlled after uniform dissolving and mixing, automatic production function of automatic measurement packing.

Referring to the attached drawing 2 of the specification, by arranging the stirring mechanism 43, the driving motor 431 is started to drive the stirring shaft 432 to rotate, the stirring shaft 432 drives the stirring blades 433 to rotate to stir and mix the raw materials in the housing 41, so that the mixing efficiency is improved, when the stirring shaft 432 rotates, the stirring shaft 432 drives the driving bevel gear 437 to rotate, the driving bevel gear 437 is meshed with the driven bevel gear 438, so that the driven bevel gear 438 drives the rotating rod 434 to rotate, and further drives the fixed blades 435 to rotate, so that the raw materials are simultaneously turned up and down in the rotating process, the stirring and mixing effect is improved, and the production efficiency is improved;

further, referring to fig. 3 of the specification, the first heat dissipation fan 83 and the second heat dissipation fan 84 are not controlled by the central processing unit 82, but are directly controlled by an external power supply, the external power supply is switched on, the first heat dissipation fan 83 and the second heat dissipation fan 84 are started along with the external power supply, the heat dissipation fans are respectively arranged on the two sides, air exchange inside the control cabinet 8 is accelerated, heat dissipation of the control cabinet 8 is facilitated, and service lives of components inside the control cabinet 8 are prolonged;

referring to the attached figure 1 of the specification, the first air pump 3 and the second air pump 6 are not controlled by the central processing unit 82, and are both directly controlled by an external power supply, when the external power supply is switched on and the system structure starts to work, the first air pump 3 and the second air pump 6 start to work, so that the flowing speed of raw materials and products in a pipeline is greatly improved, the flowing time is shortened, the production efficiency is improved, and the situation that the raw materials or the products block the pipeline is also avoided.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The special automatic control cabinet for producing the liquid lubricant for the drilling fluid comprises a raw material barrel (1) and is characterized in that three groups of raw material barrels (1) are arranged, a weighing and measuring block a (11), a weighing and measuring block b (13) and a weighing and measuring block c (15) are respectively and fixedly arranged at the bottom of each raw material barrel (1), a conveying pipe (2) is fixedly sleeved at the end part of a discharge port of each raw material barrel (1), a control valve a (12), a control valve b (14) and a control valve c (16) are respectively arranged in the pipe wall of each conveying pipe (2), a reaction kettle (4) is arranged at one end, far away from the raw material barrels (1), of each conveying pipe (2), a packaging pipe (5) is arranged at the end part of the discharge port of each reaction kettle (4), a packaging machine (7) is fixedly connected to one end, far away from the reaction kettles (4), a control cabinet (8) is arranged outside one side of each reaction kettle (4), a touch display screen (81) is fixedly embedded in the top of one side of the control cabinet (8), and a central processing unit (82) is fixedly installed in the control cabinet (8);

reaction kettle (4) includes casing (41), top one side of casing (41) is run through and is installed inlet pipe (411), inlet pipe (411) and conveyer pipe (2) fixed intercommunication, the bottom of casing (41) is run through and has been seted up discharging pipe (412), discharging pipe (412) and packing tube (5) fixed intercommunication, be provided with bleeder valve (413) in the pipe wall of discharging pipe (412), the outside fixed mounting of casing (41) has heating shell (42), fixed mounting has temperature sensor (421) on one side inner wall of casing (41), the lateral wall fixedly connected with temperature regulator (422) of heating shell (42), just temperature regulator (422) and heating shell (42) electric connection, one side fixed through-mounting that inlet pipe (411) was kept away from at the top of casing (41) has level sensor (44), a stirring mechanism (43) is arranged in the shell (41);

the stirring mechanism (43) comprises a driving motor (431), the driving motor (431) is fixedly arranged at the top center of the shell (41), an output shaft of the stirring mechanism (43) penetrates through the top of the shell (41) and extends into the shell (41), a stirring shaft (432) is fixedly connected with the output shaft of the shell (41), a plurality of groups of uniformly distributed stirring blades (433) are welded and fixed on the rod wall of the middle section of the stirring shaft (432), a fixed box (436) is fixedly sleeved on the rod wall of the middle section of the stirring shaft (432), rotating rods (434) are movably installed on both sides of the fixed box (436) in a penetrating manner, a plurality of groups of fixed blades (435) are fixedly arranged on the rod wall of the rotating rod (434) outside the fixed box (436), the fixed blades (435) are vertically arranged with the stirring blades (433), a driving bevel gear (437) is fixedly sleeved on the rod wall of the rotating rod (432) inside the fixed box (436), the rotating rod (434) is positioned at the end part of the rod inside the fixing box (436), a driven bevel gear (438) is fixedly installed at the end part of the rod, and the driven bevel gear (438) is meshed with the driving bevel gear (437).

2. The automatic control cabinet special for producing the liquid lubricant for the drilling fluid is characterized in that a second heat dissipation fan (84) is fixedly embedded in the bottom of one side of the control cabinet (8), and a first heat dissipation fan (83) is fixedly embedded in the top of one side, far away from the second heat dissipation fan (84), of the control cabinet (8).

3. The automatic control cabinet special for producing the liquid lubricant for the drilling fluid as claimed in claim 1, wherein a first air pump (3) is fixedly arranged between the tube walls of the conveying tube (2), and a second air pump (6) is fixedly arranged between the tube walls of the packing tube (5).

4. The automatic control cabinet special for producing the liquid lubricant for the drilling fluid is characterized in that a speed regulator (85) is fixedly installed at the top of one side of the inner cavity of the control cabinet (8), a timer (86) located at the bottom of the speed regulator (85) is fixedly installed at one side of the inner cavity of the control cabinet (8), and the output end of the timer (86) is electrically connected with the input end of the central processing unit (82).

5. The automatic control cabinet for producing the liquid lubricant for the drilling fluid as recited in claim 1, wherein the touch display screen (81) is electrically connected with the central processing unit (82) in a bidirectional manner, and the output end of the liquid level sensor (44) is electrically connected with the input end of the central processing unit (82) in a unidirectional manner.

6. The automatic control cabinet special for producing the liquid lubricant for the drilling fluid is characterized in that the output ends of the weighing and measuring block a (11), the weighing and measuring block b (13) and the weighing and measuring block c (15) are all in one-way electric connection with the input end of a central processing unit (82), and the input ends of the control valve a (12), the control valve b (14) and the control valve c (16) are all in one-way electric connection with the output end of the central processing unit (82).

7. The automatic control cabinet for producing the liquid lubricant for drilling fluid as claimed in claim 1, wherein the output end of the temperature sensor (421) is electrically connected with the input end of the central processing unit (82) in a unidirectional manner, the input end of the temperature regulator (422) is electrically connected with the output end of the central processing unit (82), and the output end of the temperature regulator (422) is electrically connected with the input end of the heating shell (42).

8. The automatic control cabinet for producing the liquid lubricant for the drilling fluid is characterized in that the input end of the speed regulator (85) is electrically connected with the output end of the central processing unit (82), the output end of the speed regulator (85) is electrically connected with the input end of the driving motor (431), and the input end of the discharge valve (413) is electrically connected with the output end of the central processing unit (82) in a one-way mode.