CN212774190U

CN212774190U - Oil base drill chip pretreatment systems

Info

Publication number: CN212774190U
Application number: CN202021591669.XU
Authority: CN
Inventors: 陈梓元; 国兴; 杨安凯
Original assignee: Shandong Oka Environmental Protection Engineering Co ltd
Current assignee: Shandong Oka Environmental Protection Engineering Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-23
Anticipated expiration: 2030-08-04

Abstract

The to-be-solved problem of the utility model is to provide an oil base drill chip pretreatment systems, it includes drill chip drier and drill chip rubbing crusher, the discharge gate of drill chip drier passes through the feeding device intercommunication the feed inlet of drill chip rubbing crusher, the oil base drill chip after can will spin-drying carries out abundant crushing, and convenient the transport improves incineration efficiency.

Description

Oil base drill chip pretreatment systems

Technical Field

The utility model belongs to oil base drill chip incineration disposal field, concretely relates to oil base drill chip pretreatment systems.

Background

The oil-based drilling cuttings are semisolid mixtures of oil-based drilling fluids and rock debris generated in the process of oil and shale gas exploitation, contain complex components such as oils, clay, various chemical treatment agents, weighting materials, dirty oil, sewage, drilling cuttings and the like, have the characteristics of high oil content, a large amount of organic pollutants and the like, and have great environmental pollution risks. Through detection, the solid content in the oil-based drill cuttings is 75-85%, the oil content is 7-12%, the water content is 6-10%, wherein the content of 75% is inorganic mineral substances, and the content is similar to that of cement raw materials.

Because the oil-based drill cuttings have the characteristics of viscosity, high specific gravity, oil-based pollution and the like, the oil-based drill cuttings need to be pretreated before entering a plasma cracking furnace for incineration treatment so as to achieve the purpose of thorough treatment. A common pretreatment method in the prior art is to dry oil-based drill cuttings, such as in the utility model patent (publication No. CN 206240643U), which discloses a drill cuttings drying machine comprising a base, a rotor and a screen basket rotatably disposed above the base, and a differential gear rotatably disposed below the base and rotatably connected with the rotor and the screen basket, wherein a scraper is disposed on the rotor. The drying machine realizes solid-liquid separation, reduces the oil content to below 5 percent, and then conveys the materials into a plasma incinerator for incineration and cracking. However, the pretreated spun-off material has many lump or cake-like materials, resulting in inconvenience in transportation and reduction in incineration efficiency in the plasma incineration pyrolysis furnace.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide an oil base drill chip pretreatment systems, can carry out the oil base drill chip after will spin-drying fully smashes, and convenient the transport improves and burns efficiency.

The utility model discloses a realize through following technical scheme:

the utility model provides an oil base drill chip pretreatment systems, includes drill chip drier and drill chip rubbing crusher, the discharge gate of drill chip drier passes through the feeding device intercommunication the feed inlet of drill chip rubbing crusher.

Further, the drilling cutting pulverizer comprises a machine shell and a pulverizing storage box communicated with the lower end of the machine shell, wherein a driving shaft and a driven shaft are arranged in the machine shell in a rotating mode; all install a plurality of broken blade holder on driving shaft and the driven shaft, detachable installs a plurality of broken blade on the periphery wall of every broken blade holder.

Furthermore, the outer peripheral wall of the crushing cutter holder is provided with an installation plane corresponding to the crushing blade, and the rear end of the installation plane is provided with a square positioning block; the rear end of the crushing blade is provided with a positioning hole embedded with the positioning block, the front end of the crushing blade is provided with a cutting edge, and the crushing blade is fixedly installed on the installation plane through a locking bolt.

Furthermore, a driving motor capable of driving the driving shaft to rotate is arranged outside the machine shell, and the driving shaft and the driven shaft are in opposite transmission through a pair of gears.

Furthermore, the drilling fluid drying machine further comprises a stirrer, wherein a discharge hole of the stirrer is communicated with a feed inlet of the drilling fluid drying machine through a material conveying device.

Furthermore, the drill cutting drying machine is a vertical drill cutting drying machine, and the material conveying device is a spiral material conveyor.

Compared with the prior art, the utility model the beneficial effect who gains as follows:

1. the oil-based drilling cuttings enter a drilling cuttings spin dryer to be dried, the oil content of the treated material is controlled to be below 5%, the material enters a drilling cuttings crusher to crush blocky or caky caking materials, so that the caking materials are conveniently conveyed into a plasma incineration cracking furnace, and meanwhile, the incineration cracking efficiency in a furnace body is improved;

2. in the drilling cutting pulverizer, a plurality of crushing blades are detachably mounted on the peripheral wall of each crushing cutter holder, and when the crushing blades are seriously abraded along with the pulverizing process, the crushing blades can be detached and replaced, so that the integral replacement is avoided, and the cost is saved;

3. the crushing blade is fixedly arranged on the mounting plane through the positioning block and the locking bolt, so that the crushing blade is convenient to disassemble and assemble, and the working efficiency is improved;

4. the stirring machine fully mixes and stirs the oil-based drilling cuttings, and then the oil-based drilling cuttings enter the drilling cuttings spin-drying machine for spin-drying treatment, so that the spin-drying efficiency is improved;

5. the utility model discloses be fit for carrying out the preliminary treatment to oil base drill chip, oil base drill chip oiliness after the preliminary treatment is low, and improves the incineration efficiency at plasma incineration pyrolysis furnace, is worth extensively promoting.

Drawings

FIG. 1 is a schematic structural view of an oil-based drilling cutting pretreatment system according to the present invention;

FIG. 2 is a schematic view of a crushing mechanism in the drill cuttings crusher according to the present invention;

FIG. 3 is a schematic view of the structure of the crushing blade holder of the present invention;

in the figure: 1. the drilling cutting machine comprises a stirrer, 2, a drilling cutting drying machine, 3, a drilling cutting crusher, 4, a crushing storage box, 5, a driving shaft, 6, a driven shaft, 7, an installation plane, 71, a positioning block, 8, a crushing cutter holder, 9, a crushing blade, 91, a positioning hole, 92 and a locking bolt.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "front", "back", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the present embodiment discloses an oil-based drill cutting pretreatment system, which mainly comprises a blender 1, a drill cutting dryer 2 and a drill cutting crusher 3. The discharge port of the stirrer 1 is communicated with the feed inlet of the drilling cuttings drying machine 2 through a material conveying device, and the discharge port of the drilling cuttings drying machine 2 is communicated with the feed inlet of the drilling cuttings crusher 3 through a material conveying device. In the embodiment, the drill cuttings spin-drying machine 2 is a conventional vertical drill cuttings spin-drying machine 2, and both the two material conveying devices are conventional spiral material conveyors.

As shown in fig. 2-3, in order to sufficiently crush the oil-based drill cuttings after being dried, the drill cuttings crusher 3 includes a casing and a crushing storage box 4 communicated with the lower end of the casing, and a discharge hole is formed in the bottom of the crushing storage box. A driving shaft 5 and a driven shaft 6 are rotatably arranged in the shell through bearing assemblies. And a driving motor capable of driving the driving shaft 5 to rotate is arranged outside the shell, and the driving shaft 5 and the driven shaft 6 are in opposite transmission through a pair of gears. By the design, the driving motor drives the driving shaft 5 and the driven shaft 6 to rotate oppositely. All install a plurality of broken blade holder 8 on driving shaft 5 and the driven shaft 6, the periphery wall processing of every broken blade holder 8 has six mounting plane 7, and the rear end of every mounting plane 7 is equipped with square locating piece 71, and broken blade 9 is installed to every mounting plane 7 correspondence, the rear end of broken blade 9 be equipped with the locating hole 91 of locating piece 71 gomphosis, broken blade 9 front end is the cutting edge, broken blade 9 passes through locking bolt 92 fixed mounting in on the mounting plane 7. So design, guarantee crushing blade 9 can install fast and dismantle.

Oil base drill chip pretreatment systems's specific working process as follows:

1. lifting the oil-based drilling cuttings from the original storage device to a storage stirrer by using a double-cylinder piston conveying pump, and uniformly stirring and mixing the oil-based drilling cuttings by using the stirrer;

2. lifting the uniformly stirred material into a drilling cutting drying machine through a material conveying device to perform solid-liquid separation on the oil-based drilling cutting to obtain the oil-based drilling cutting with the oil content of less than 5%; the liquid after solid-liquid separation enters a recovery device for oil recovery;

3. and (3) crushing the dried oil-based drilling cuttings by using a crusher to crush blocky or caky materials, and conveying the crushed oil-based drilling cuttings to a plasma cracking furnace by using a bucket elevator to burn.

Claims

1. The utility model provides an oil base drill chip pretreatment systems which characterized in that, includes drill chip drier and drill chip rubbing crusher, the discharge gate of drill chip drier passes through the feeding device intercommunication the feed inlet of drill chip rubbing crusher.

2. The oil-based drill cutting pretreatment system according to claim 1, wherein the drill cutting crusher comprises a machine shell and a crushing storage box communicated with the lower end of the machine shell, and a driving shaft and a driven shaft are rotatably mounted in the machine shell; all install a plurality of broken blade holder on driving shaft and the driven shaft, detachable installs a plurality of broken blade on the periphery wall of every broken blade holder.

3. The oil-based drill cutting pretreatment system according to claim 2, wherein the outer peripheral wall of the crushing cutter base is provided with a mounting plane corresponding to the crushing cutter blade, and a square positioning block is arranged at the rear end of the mounting plane; the rear end of the crushing blade is provided with a positioning hole embedded with the positioning block, the front end of the crushing blade is provided with a cutting edge, and the crushing blade is fixedly installed on the installation plane through a locking bolt.

4. The oil-based drill cutting pretreatment system according to claim 3, wherein a driving motor capable of driving the driving shaft to rotate is arranged outside the machine shell, and the driving shaft and the driven shaft are in opposite transmission through a pair of gears.

5. The oil-based drill cuttings pretreatment system according to claim 4, further comprising a blender, wherein a discharge port of the blender is communicated with a feed port of the drill cuttings drying machine through a material conveying device.

6. The oil-based drill cuttings pretreatment system according to any one of claims 1 to 5, wherein the drill cuttings dryer is a vertical drill cuttings dryer, and the conveyance device is a screw conveyor.