CN116081139B

CN116081139B - Fixed well head danger waste liquid environmental protection collection device

Info

Publication number: CN116081139B
Application number: CN202310048400.9A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Daqing Hongchang Aida Technology Co ltd
Current assignee: Daqing Hongchang Aida Technology Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2024-04-26
Anticipated expiration: 2043-01-31
Also published as: CN116081139A

Abstract

The invention provides a fixed wellhead hazardous waste liquid environment-friendly collection device, which comprises: spraying polyurea elastomer on the outer layer; the middle-layer polyurethane polymer reinforcing layer is arranged at the bottom of the outer-layer spraying polyurea elastomer, the bottom of the middle-layer polyurethane polymer reinforcing layer is of a bottom plate structure, the bottom plate structure, a wellhead and a flow are subjected to impermeable airtight treatment, a cofferdam structure is arranged around the bottom plate structure, and a flexible folding connection structure is arranged at the front of a folding connection position of the cofferdam structure and the bottom plate structure. The fixed type wellhead hazardous waste liquid environment-friendly collection device provided by the invention can thoroughly realize that the wellhead Christmas tree pipe valve can not collect hazardous waste liquid flowing out due to maintenance, so that the surface of the four sides of the surface of the wellhead Christmas tree is polluted by the hazardous waste liquid within 3 meters, and the environment-friendly standardization of the well site is realized; the labor is saved, the environment protection is repeatedly carried out on the christmas tree and the ground during the well repair and the well logging operation and the maintenance operation of the well site of the oil extraction plant, and the labor and the transportation tool are not required to be consumed for paving, collecting and transporting.

Description

Fixed well head danger waste liquid environmental protection collection device

Technical Field

The invention relates to the design field of a fixed wellhead hazardous waste liquid environment-friendly collection device, in particular to an environment-friendly collection device for hazardous waste liquid generated by a wellhead during operations such as oil field well workover, well logging, daily maintenance of a wellhead pipe valve and the like, and belongs to the technical field of environment-friendly equipment for oil field production.

The device is fixed in well site wellhead below, and collapsible recovery becomes well site platform after the operation is accomplished, solves at well operation and wellhead routine maintenance, for example: major repair and minor repair of underground operation, well logging, maintenance of wellhead combined pipe valves in oil extraction plants, replacement of packing boxes, replacement of dosing boxes (ternary wells), wellhead emptying, regular oil well hot washing and the like, and the problems that dangerous waste liquid generated in the processes is difficult to collect are solved, so that the risk of pollution to well sites and surrounding environments is reduced.

Background

The environment management guideline content of the hazardous waste environment management guideline of land petroleum and natural gas exploitation is printed by the 2022 ecological environment department, and is suitable for the hazardous waste environment management in land petroleum and natural gas exploitation enterprises. Several major links of hazardous waste generation are listed therein: the underground operation link, the site cleaning link, the oil extraction test link, the centralized transportation and treatment link and the maintenance of the oil extraction factory well site, wherein the realization of thoroughly collecting dangerous wastes generated at the well mouth without falling to the ground in the links is a difficult and complicated disease which is difficult to radically treat all the time, and because of different construction ages and different well site conditions, a plurality of products are as follows: steel wellhead liquid accumulation tanks, impermeable cloths and other soft materials have limitations, and wellhead sealing and standardized general use cannot be thoroughly realized. The ratio of dangerous waste generated by the underground operation link and the site cleaning link to the maintenance of the well site of the oil extraction factory is up to 75%, and the main sources of the two links are dirty oil and sewage flowing out of the well head flow during operation, so that the collection of dangerous waste at the well head is very important.

Meanwhile, the guideline also provides a pollution environment control responsibility system for realizing the pollution environment control responsibility system, and establishes the pollution environment control responsibility system for the whole process of generating, collecting, storing, transporting, utilizing and disposing the healthy industrial dangerous wastes. "collection is the first step in the regime, and hazardous waste liquids produced at the wellhead are the point of difficulty and pain in collection, so it becomes critical to get each step from scratch.

Therefore, it is necessary to provide a fixed wellhead hazardous waste liquid environment-friendly collection device to solve the above technical problems.

Disclosure of Invention

The invention provides a fixed type wellhead hazardous waste liquid environment-friendly collection device, which solves the problems that hazardous waste liquid generated by a wellhead is a collection difficulty and pain point in the prior art.

In order to solve the technical problems, the invention provides a fixed wellhead hazardous waste liquid environment-friendly collection device, which comprises: spraying polyurea elastomer on the outer layer;

The middle layer polyurethane polymer reinforcing layer is arranged at the bottom of the outer layer spraying polyurea elastomer, a bottom plate structure and a cofferdam structure are arranged at the bottom and the periphery of the middle layer polyurethane polymer reinforcing layer, a flexible folding connection structure is arranged at the front of a folding connection position of the bottom plate structure and the cofferdam structure, and external folding rapid combination devices are arranged at two sides of the back of each corner of the cofferdam structure;

The bottom plate structure is arranged right below a wellhead christmas tree, the periphery of the bottom plate is provided with a cofferdam structure, the bottom plate structure comprises a high-strength fiber reinforced plate as a base material, the reinforced plate is divided into three sections for tightly buckling a pipeline below a wellhead flange and a process pipeline, a bottom plate connecting piece is arranged at the joint of the three sections of plates, the connecting piece is used for buckling the three plates to form a whole, the joint of the high-strength fiber reinforced plate and the wellhead process is required to be subjected to impermeable airtight treatment, the gap between the plates and a well pipe is required to be filled with a high-strength joint compound and an elastic joint compound, high-strength fiber cloth is required to be adhered above the gap, a polyurethane polymer reinforcing layer is brushed on the whole surface of the high-strength fiber reinforced plate, and a polyurea elastomer is sprayed on the outermost layer;

the emergency filtering and sewage draining tank and the sewage draining outlet are arranged at the right lower corner of the bottom plate structure, the whole structure is a round barrel structure, a broadside is arranged at the opening, a fixing piece is arranged on the broadside, main materials of the emergency filtering and sewage draining tank and the sewage draining outlet are metal materials, and a bidirectional filter screen is arranged at one third of the barrel bottom;

A round cover is arranged at the opening of the barrel top, the inner surface of the barrel is coated with a polyurethane polymer reinforcing layer, and the outermost layer is coated with polyurea elastomer. The cofferdam structure is arranged on four sides of the bottom plate structure, is connected with the bottom plate structure through a flexible folding connection structure, is also connected with four corners through a flexible folding connection structure, is a high-density fiber reinforced plate, is provided with an inner hinge structure and an outer hinge structure on the connection side of the cofferdam structure, is provided with a flexible folding connection structure on the upper side of the structure, is provided with a flexible folding connection structure on the connection side of the cofferdam on two sides, is provided with a polyurethane polymer reinforcing layer coated on the front surface and the back surface of the high-density fiber reinforced plate after the structure, and is sprayed with a polyurea elastomer on the outermost layer;

The flexible folding connection structure comprises a base material, a fixing gasket and a polyurea elastomer, wherein the base material of the flexible folding connection structure is single-sided coated polyester coating cloth, the coating layer is made of polyurethane materials or PVC (polyvinyl chloride) and PE (polyethylene) materials, a strip fixing gasket is arranged at the joint of the surface of the polyester coating cloth, facing upwards, of the base plate and the cofferdam, the fixing gasket is provided with the fixing nail, after the structure is completed, a polyurethane polymer reinforcing layer is brushed on the surface of the fabric, and the polyurea elastomer is sprayed on the outermost layer;

The inner hinge structure and the outer hinge structure are made of metal, four edges of the bottom plate structure are respectively provided with an inner hinge and an outer hinge, 3-8 hinge structures are arranged on each edge, the outer hinge structure is arranged on the outer side of the bottom plate structure and the cofferdam structure, the inner side of the bottom plate structure connected with the cofferdam structure is a flexible folding connection structure, the inner hinge structure is arranged on the inner side of the bottom plate, the upper side of the inner hinge structure is a flexible folding connection structure, only the outer hinge structure needs to be coated with a polyurethane polymer reinforcing layer, and the outermost layer is coated with polyurea elastomer.

Preferably, the middle polyurethane polymer reinforcing layer comprises a polyurethane spraying layer, and a polyurethane colloid reinforcing layer is arranged at the top of the polyurethane spraying layer.

Preferably, the nylon fiber layer and the polyurethane elastomer composite layer comprise nylon fiber cloth, wherein polyurethane or PVC colloid is hung on one side of the nylon fiber cloth, and nylon fiber base cloth is arranged at the bottom of the nylon fiber cloth, wherein polyurethane or PVC colloid is hung on one side of the nylon fiber cloth.

Preferably, the emergency filtering and sewage draining groove and the sewage draining outlet comprise a water accumulating groove, a sewage draining outlet, an emergency filtering device and a diversion groove.

Preferably, the water accumulation tank is provided with a water pipe, and the right side of the water pipe is provided with an annular groove.

Preferably, the right side of the water pipe is provided with a fixed frame, and the left side of the fixed frame is fixedly provided with a rubber ring.

Preferably, the filter screen is fixedly arranged at the bottom inside the fixed frame, and the bottom of the fixed frame is communicated with the connecting pipe.

Preferably, the top and the bottom of the left side of the fixed frame are provided with polygonal openings, and the top and the bottom of the right side of the polygonal openings are provided with limiting holes.

Preferably, nuts are fixedly installed at the top and the bottom of the water pipe, and bolts are arranged in the nuts.

Preferably, the right side of bolt rotates and is connected with the polygon piece, the top and the bottom of polygon piece left side are all fixedly connected with the inserted block.

Compared with the related art, the fixed wellhead hazardous waste liquid environment-friendly collection device provided by the invention has the following beneficial effects:

1. the method can thoroughly realize that the dangerous waste liquid flowing out of the wellhead christmas tree due to maintenance is not collected in a falling way, so that the ground is polluted by the dangerous waste liquid in 3 meters on four sides of the ground of the wellhead christmas tree. 2. Realize the environmental protection standardization of well site.

3. The labor is saved, the christmas tree and the ground are not required to be repeatedly protected during underground well repair operation and oil extraction factory well site maintenance operation, and the labor and transportation tool are not required to be consumed for paving, collecting and transporting. Saving material resources, and avoiding the use of a disposable impermeable cloth and a polyurethane soft wellhead oil protection tank. 4. The total amount of the solid waste which is changed from dangerous waste to polluted ground and seepage-proofing consumable is greatly reduced, so that the economic expenditure for treating the solid waste is saved. 5. Reducing carbon and emission, and reducing the oil consumption of transportation tools required by transportation of steel well heads and polyurethane soft oil protection tanks, thereby achieving the purposes of reducing carbon and emission. (taking the average transportation distance of a steel oil protection pool reaching a field operation site as an example, the average transportation distance is 30 km, namely 60 km back and forth, two transportation is needed, namely 120 km, pavement and recovery are needed, at least 80 liters of fuel can be saved by avoiding one pavement, and at least 1000 oil wells of an oil extraction plant can save 50 tons of fuel, so that the oil extraction plant has self-evident environmental protection value and economic value. 6, the operation is simple and the use is convenient, the support structure of the four-side design of the product can play the purpose of rapid combination and assembly, and a cofferdam can be formed by pulling the product, so that the use is more convenient. 7. The sealing material of the wellhead is made of polymer adhesive, so that not only can the anti-corrosion and anti-seepage effects be achieved, but also the manifold can be protected, and the bottom of the wellhead flow is protected from erosion. 8. The emergency transfer drain outlet can effectively cope with emergencies, and environmental hazards are reduced. 9. The device is strong in adaptability and attractive, is paved on a wellhead site after being used, does not influence the operation of the pumping unit, can be integrated with the environment, and is attractive. 10. The device is nontoxic, harmless, high-strength enemy, good in corrosion resistance and stability, free of any Volatile Organic Compounds (VOC), and environment-friendly. 11. The damage can be repaired on site, and the service life is long. 12. The material is safer and more reliable in flame-retardant insulation. In conclusion, the product can meet the national environmental protection requirements on the petroleum field, can also meet the requirement of convenient use in oilfield operation, and can realize the environmental protection requirement of whole process surrounding control on the landed hazardous waste implementation of a plurality of links such as generation, collection, storage, transfer and the like of hazardous waste.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a fixed wellhead hazardous waste liquid environmental protection collection device provided by the invention;

FIG. 2 is a schematic view of the top section shown in FIG. 1;

FIG. 3 is a schematic view of the middle polyurethane polymer reinforcement layer shown in FIG. 1;

FIG. 4 is a schematic view of the structure of the liner fiber reinforced panel floor shown in FIG. 1;

FIG. 5 is a schematic view of the structure of the lined fiber reinforced panel cofferdam of FIG. 1;

FIG. 6 is a schematic view of the flexible folding connection structure of FIG. 1;

FIG. 7 is a schematic view of the emergency filtration drain tank and drain shown in FIG. 1;

FIG. 8 is a schematic diagram of wellhead and flow impervious containment process architecture;

FIG. 9 is a schematic diagram of an inner hinge and an outer hinge of the fixed wellhead hazardous waste liquid environment-friendly collection device provided by the invention;

FIG. 10 is a schematic view of the structure of the nylon fiber layer and polyurethane elastomer composite layer shown in FIG. 1;

FIG. 11 is a schematic structural view of the entire back surface shown in FIG. 1;

FIG. 12 is a schematic view of the front face of the emergency filtration drain shown in FIG. 11;

FIG. 13 is a schematic structural view of a second embodiment of a stationary wellhead hazardous waste liquid environmental protection collection device provided by the present invention;

FIG. 14 is a schematic view of the structure of the right side of the polygonal hole shown in FIG. 13;

FIG. 15 is a schematic structural view of a third embodiment of a stationary wellhead hazardous waste liquid environmental protection collection device provided by the present invention;

fig. 16 is an enlarged schematic view at a shown in fig. 15.

Reference numerals in the drawings: 1. the outer layer is sprayed with polyurea elastomer, 2, middle polyurethane polymer reinforcing layer, 21, polyurethane spraying layer, 22, polyurethane colloid reinforcing layer, 3, lining fiber reinforced board cofferdam, 4, nylon fiber layer and polyurethane elastomer composite layer, 41, nylon fiber cloth single-sided hanging polyurethane or PVC colloid, 42, nylon fiber base cloth, 5, external folding rapid combination device, 51, fixing piece, 52, metal folding bracket, 6, emergency filtration blow-down tank, blow-down port, 61, ponding tank, 62, diversion groove, 63, emergency filtration device, 64, blow-down port, 7, lining fiber reinforced board bottom plate, 8, bottom plate connecting piece, 9, workshop milling composite fiber cloth notch, 10, notch compacting fitting, 11, high-strength adhesive layer of high polymer impermeable resin, 12, connecting groove,

13. Annular groove, 14, fixing frame, 15, rubber ring, 16, connecting pipe, 17, filter screen, 18, polygonal opening, 19, limit hole, 20, bolt, 23, nut, 24, polygonal block,

25. Recess, 26, fixed chamber, 27, movable rod, 28, spring, 29, trapezoidal piece.

Detailed Description

The invention will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a fixed wellhead hazardous waste liquid environmental protection collection device provided by the present invention; FIG. 2 is a schematic view of the top section shown in FIG. 1; FIG. 3 is a schematic view of the middle polyurethane polymer reinforcement layer shown in FIG. 1; FIG. 4 is a schematic view of the structure of the liner fiber reinforced panel floor shown in FIG. 1; FIG. 5 is a schematic view of the structure of the lined fiber reinforced panel cofferdam of FIG. 1; FIG. 6 is a schematic view of the flexible folding connection structure of FIG. 1; FIG. 7 is a schematic view of the emergency filtration drain tank and drain shown in FIG. 1; FIG. 8 is a schematic diagram of wellhead and flow impervious containment process architecture; FIG. 9 is a schematic diagram of an inner hinge and an outer hinge of the fixed wellhead hazardous waste liquid environment-friendly collection device provided by the invention; FIG. 10 is a schematic view of the structure of the nylon fiber layer and polyurethane elastomer composite layer shown in FIG. 1; FIG. 11 is a schematic structural view of the entire back surface shown in FIG. 1; FIG. 12 is a schematic view of the front side of the emergency filtering drain tank and drain outlet shown in FIG. 11, wherein a strip fixing gasket is arranged at the joint of the terylene coating cloth fabric surface upward and the bottom plate and the cofferdam, fixing nails are arranged on the fixing gasket, after the structure is completed, a polyurethane polymer reinforcing layer is brushed on the fabric surface, and a polyurea elastomer is sprayed on the outermost layer;

inside and outside hinge structure, inside and outside hinge structure main material is the metal material, and bottom plate structure four sides opposite side is interior hinge and outer hinge structure respectively, and every limit 3-8 hinge structures, outer hinge structure install in bottom plate structure and cofferdam structure outside, and the inboard that bottom plate structure and cofferdam structure are connected is flexible folding connection structure, and interior hinge structure installs in the bottom plate inboard, and the top is flexible folding connection structure, only outer hinge structure need brush polyurethane polymer enhancement layer, outermost spraying polyurea elastomer

The lining fiber reinforced board bottom plate 7, lining fiber reinforced board bottom plate 7 set up in nylon fiber layer and polyurethane elastomer composite layer 4's front just is located lining fiber reinforced board cofferdam 3's inboard, lining fiber reinforced board bottom plate 7's right side is provided with emergent filtration drain tank, drain 6, lining fiber reinforced board bottom plate 7's top is provided with polymer anti-seepage resin high strength adhesive layer 11, polymer anti-seepage resin high strength adhesive layer 11's top is provided with workshop milling composite fiber cloth notch 9, polymer anti-seepage resin high strength adhesive layer 11's front is provided with notch hold-down fitting 10, polymer anti-seepage resin high strength adhesive layer 11's bottom is provided with bottom plate connecting piece 8;

The connecting groove 12, the connecting groove 12 set up in the bottom of polymer anti-seepage resin high strength adhesive layer 11, the positive right side of polymer anti-seepage resin high strength adhesive layer 11 is provided with metal folding support 51, the top of metal folding support 51 is provided with mounting 51.

The middle polyurethane polymer reinforcing layer 2 comprises a polyurethane spraying layer 21, and a polyurethane colloid reinforcing layer 22 is arranged on the top of the polyurethane spraying layer 21.

The nylon fiber layer and polyurethane elastomer composite layer 4 comprises a nylon fiber cloth single-sided polyurethane or PVC colloid 41, and a nylon fiber base cloth 42 is arranged at the bottom of the nylon fiber cloth single-sided polyurethane or PVC colloid 41.

The emergency filtering and sewage draining groove and the sewage draining outlet 6 comprise a water accumulating groove 61, a sewage draining outlet 64, an emergency filtering device 63 and a diversion groove 62.

The lining fiber reinforced board comprises a bottom thickened fiber reinforced cement board, a cofferdam high-strength magnesium board, a high-strength fiber board, a high-strength polymer impermeable resin adhesive layer 11, a metal folding bracket 52 and a fixing piece 51.

The bottom thickened fiber cement board requires milling the connection slot 9 in the shop and prefabricating the bottom board connection 8. The fiber reinforced board cofferdam 3 is lined, the composite fiber cloth notch 9 is required to be milled in a workshop, and the notch compacting fitting 10 is prefabricated.

The function is as follows: the lining fiber reinforced cement board structure plays a role in leveling a field and improving the field strength, so that an operation worker can normally operate on a platform of the device, and the field can be kept smooth and attractive when the operation is not performed.

The emergency filtering sewage draining groove and the sewage draining outlet are formed by: the device comprises a diversion groove 62, a water accumulation groove 61, an emergency filter 63 and a sewage drain 64. The manufacturing steps are as follows: firstly, a wellhead of the device is required to be installed in 3D scanning measurement on a well site, a proper bottom plate and cofferdam size are designed through computer optimization, and a cofferdam magnesium plate and a ground fiberboard are cut out in workshop numerical control. Then, folding assemblies are installed at four corners of the cofferdam. And finally, preparing a base cloth, wherein the base cloth is paved on a well site, and the surface of the base cloth is coated with guide grooves and water collecting groove pressing lines.

A nylon fiber and polyurethane elastomer composite layer 4;

the composite layer is a single-sided rubberized composite coating cloth, polyurethane or PVC colloid 41 is hung on one side of nylon fiber cloth, nylon fiber base cloth 42 is hung on one side, namely one side of the base cloth is made of 42 another side of the base cloth exposed. After the coating cloth is prepared, the coating cloth is required to be cut according to the well site measurement design size, wherein the cutting size comprises the edge wrapping positions of four sides of the cofferdam and the folding positions of four sides and a bottom plate of the cofferdam. The cut coating cloth is arranged above the cofferdam and the bottom plate at the well site, and the four sides of the cofferdam are connected with the bottom plate through milling groove compacting fittings. After the installation is finished, the surface of the exposed base cloth is coated with glue and sprayed with polyurea, and the spraying thickness is 0.5-3 mm.

The function is as follows: the structure plays a role in connecting the cofferdam and the bottom plate, so that the joint can be repeatedly folded and stretched, and the structure has the functions of corrosion resistance and seepage prevention.

Middle polyurethane polymer reinforcement layer 2: a polyurethane colloid reinforcing layer 21 and a polyurethane spray coating layer 22. The structure is laid after the completion of fig. 6. Polyurethane protective layers are prepared in advance in factories, and the protective layers mainly protect the bottom plate and the cofferdam and protect the ground from impact damage when the protective layers are subjected to external forces such as (well pipe, pipe tongs slide down). And during installation, the protective layer is installed on the surface of the bottom plate and the cofferdam by using hot melt polyurethane adhesive. Finally, spraying a polyurethane coating (1.5-2 mm) on the cofferdam and the ground surface. The structure mainly plays roles of seepage prevention, corrosion prevention and collision prevention, is a second protective barrier of the device, and can effectively prevent polluted liquid from leaking. And realize well head and christmas tree flow and environmental protection device zonulae occludens, can play the effect that prevents well head greasy dirt seepage ground, prevent environmental protection device break away from, can also play the secondary prevention of seepage effect.

The outer layer spraying polyurea elastomer 1 is formed by: an elastomer material formed by reacting an isocyanate component with an amino compound component. The structure is sprayed outside the structure shown in figure 3, so that the outermost protective layer, cofferdam, bottom plate and wellhead flow ground of the device all need to be sprayed, and the front and back sides of the cofferdam all need to be sprayed, and the spraying thickness is 0.5-3 mm. The main functions of the structure are to play a role in corrosion prevention, seepage prevention, collision prevention and ultraviolet resistance, the low temperature resistance can reach-40 ℃, the high temperature resistance can reach +120 ℃, 45-degree trapezoid textures can be manufactured when the surface of the cover layer is sprayed, the textures can play the effect of facilitating ice stripping and can play a role in skid resistance when no ice exists through experiments, and the material also has high wear resistance and is suitable for protecting the abrasion of the surface of the device when polluted liquid is repeatedly cleaned

The invention provides a fixed wellhead hazardous waste liquid environment-friendly collection device, which has the following working principle:

When the oil extraction operation is carried out, the well logging and the oil extraction factory maintenance well site are carried out, the device is always arranged at the wellhead of the oil extraction machine, four sides are opened and clamped with buckles during use to form a sewage collecting tank, the opened wellhead and the flow manifold can produce overflowed sewage, pollutants of the sewage collecting tank can flow into or splash into the sewage collecting tank, a sewage draining tank is arranged in the sewage collecting tank, a filter arranged in the sewage draining tank can filter large-particle impurities in the pollutants to separate and extract solid pollutants and liquid pollutants, vacuum environment-friendly equipment can be protected, and secondary transportation and treatment of the pollutants are facilitated. The daily maintenance of oil extraction factory is as follows: the liquid is produced by replacing a wellhead combined pipe valve, replacing a packing box, replacing a dosing box (a ternary well), emptying the wellhead and the like.

When excessive pollutants overflowed from the wellhead or the pollutants cannot be transported in time, the sewage outlet can be opened to connect the emergency sewage collection tank, so that the risk of leakage of the pollutants is prevented. When the rainfall or the snowfall is too large, leakage of the dirt collecting pool can be caused, and the design can also effectively separate rainwater and greasy dirt to prevent the greasy dirt from overflowing along with the rainwater. When the operation is completed, the pollutants in the tank can be completely transported in the steam cleaning tank, and the sewage outlet is opened so as to thoroughly recover the pollutants, the pollution in the tank after steam cleaning can be 0, the four-wall buckle can be opened at that time, and the sewage collecting tank can be tiled into a plane to recover the original appearance of the pumping unit well site. The well head is not required to be paved with a dirt collecting pool, so that the well head can be protected for operators maintaining the oil well, the anti-slip surface can be used for preventing slip and falling injury in rainy seasons in winter, weeds can be prevented from growing at the well head, daily weeding maintenance of operators is avoided, and the workload is reduced.

Second embodiment

Referring to fig. 13 and 14 in combination, according to a first embodiment of the present application, a fixed type environmental protection collection device for dangerous wellhead waste liquid is provided. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the second embodiment of the present application provides a stationary type environmental protection collection device for dangerous wellhead waste liquid, which is different in that a water pipe is disposed in the water accumulation tank 61, and an annular groove 13 is disposed on the right side of the water pipe.

The sealing of the connection between the water pipe and the fixing frame 14 is improved by the cooperation between the annular groove 13 and the rubber ring 15.

The right side of the water pipe is provided with a fixed frame 14, and the left side of the fixed frame 14 is fixedly provided with a rubber ring 15.

The filter screen 17 is fixedly arranged at the bottom of the inside of the fixed frame 14, and the bottom of the fixed frame 14 is communicated with the connecting pipe 16.

The filtering net 17 can conveniently filter impurities in sewage.

Polygonal openings 18 are formed in the top and bottom of the left side of the fixed frame 14, and limiting holes 19 are formed in the top and bottom of the right side of the polygonal openings 18.

Nuts 23 are fixedly installed at the top and the bottom of the water pipe, and bolts 20 are arranged in the nuts 23.

The right side of the bolt 20 is rotatably connected with a polygonal block 24, and the top and the bottom of the left side of the polygonal block 24 are fixedly connected with inserting blocks.

The insertion of the insert block into the limiting aperture 19 thus improves the stability of the operation of the polygonal block 24 thereof.

When the impurities are required to be cleaned, the bolts 20 are manually rotated in sequence, the nuts 23 are fixed, the bolts 20 are moved rightward, the polygonal blocks 24 are simultaneously driven to move until the inserted blocks are separated from the limiting holes 19, then the polygonal blocks 24 are driven to rotate ninety degrees by rotating the polygonal blocks 24, so that the polygonal blocks 24 are rotated to be in the same state as the openings of the polygonal openings 18, then the fixed frames 14 are pulled rightward to drive the polygonal openings 18 and the rubber rings 15 to move rightward until the rubber rings 15 are separated from the annular grooves 13, the polygonal openings 18 are driven to move, the polygonal blocks 24 are driven to move from the right to the left of the polygonal openings 18, and then the fixed frames 14 are removed to clean the impurities at the tops of the polygonal openings 17.

through the mutual cooperation among the annular groove 13, the fixed frame 14, the rubber ring 15, the connecting pipe 16, the filter screen 17, the polygonal opening 18, the limiting hole 19, the bolt 20, the nut 21, the polygonal block 22 and other structures, the impurity in the liquid can be filtered, and the impurity is remained in the fixed frame in the later stage of filtration, so that the concentrated cleaning work can be conveniently carried out in the later stage.

Third embodiment

Referring to fig. 15 and 16 in combination, according to a first embodiment of the present application, a fixed type environmental protection collection device for dangerous wellhead waste liquid is provided. The third embodiment is merely a preferred manner of the first embodiment, and implementation of the third embodiment does not affect the implementation of the first embodiment alone.

Specifically, the third embodiment of the present application provides a fixed type environmental protection collection device for dangerous wellhead waste liquid, which is different in that a groove 25 is formed at the bottom of the inside of the fixed frame 14, two fixed cavities 26 are formed on two sides of the groove 25 and inside the fixed frame 14, a moving rod 27 is disposed inside the two fixed cavities 26, a spring 28 is disposed outside the moving rod 28 and inside the fixed cavities 26, and a trapezoid block 29 is rotatably connected to the outside of the moving rod 28.

The elastic deformation of the spring 28 can make the moving rod 27 and the trapezoid block 29 always bear force to stably clamp the filter screen.

The trapezoid block 29 can enable the filter screen to be stably limited when the filter screen is at the inner bottom position through the protruding part of the top of the trapezoid block 29.

When the filter screen is required to be placed in the groove 25 and then pressed downwards into the groove 25, the filter screen is contacted with the inner side of the trapezoid block 29 after entering the groove 25, the trapezoid block 29 is pushed outwards along with the continuous downward movement of the filter screen, the movable rod 27 is driven to move along with the outward movement of the trapezoid block 29, so that the movable rod 27 is retracted into the fixed cavity 26, meanwhile, the spring 28 is pressed, the spring 28 is forced to elastically deform to push the movable rod 27 outwards, so that the trapezoid block 29 is forced to move outwards, and the filter screen is clamped and limited in the groove 25 through the trapezoid block 29.

the mesh for filtering can be stably fixed in the groove 25 by the mutual matching of the groove 25, the fixing cavity 26, the moving rod 27, the spring 28, the trapezoid block 29 and the like, so that the working stability of the filter can be improved.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. Fixed well head danger waste liquid body environmental protection collection device, its characterized in that includes: spraying polyurea elastomer on the outer layer;

The emergency filtering and sewage draining tank and the sewage draining outlet are arranged at the right lower corner of the bottom plate structure, the whole structure is a round barrel structure, a broadside is arranged at the opening, a fixing piece is arranged on the broadside, the main materials of the emergency filtering and sewage draining tank and the sewage draining outlet are made of metal materials, a bidirectional filter screen is arranged at one third of the barrel bottom, a round cover is arranged at the opening of the barrel top, a polyurethane polymer reinforcing layer is coated on the inner surface of the barrel, and a polyurea elastomer is sprayed on the outermost layer;

The cofferdam structure is arranged on four sides of the bottom plate structure, is connected with the bottom plate structure through a flexible folding connection structure, is also connected with four corners through a flexible folding connection structure, is a high-density fiber reinforced plate, is provided with an inner hinge structure and an outer hinge structure on the connection side of the cofferdam structure, is provided with a flexible folding connection structure on the upper side of the structure, is provided with a flexible folding connection structure on the connection side of the cofferdam on two sides, is provided with a polyurethane polymer reinforcing layer coated on the front surface and the back surface of the high-density fiber reinforced plate after the structure, and is sprayed with a polyurea elastomer on the outermost layer;

the inner hinge structure is arranged on the inner side of the bottom plate, the upper side of the inner hinge structure is a flexible folding connection structure, only the outer hinge structure needs to be coated with a polyurethane polymer reinforcing layer, and the outermost layer is coated with a polyurea elastomer;

Emergent filtration drain, drain include ponding groove, drain, emergent filter equipment and water conservancy diversion recess, the water pipe that is provided with of ponding groove, the ring channel has been seted up on the water pipe right side, the right side of water pipe is provided with fixed frame, the left side fixed mounting of fixed frame has the rubber ring, the inside bottom fixed mounting of fixed frame has the filter screen, the bottom intercommunication of fixed frame has the connecting pipe, polygon mouth has all been seted up at the top and the bottom on fixed frame left side, spacing hole has all been seted up at the top and the bottom on polygon mouth right side, the equal fixed mounting in top and the bottom of water pipe has the nut, the inside of nut is provided with the bolt, the right side rotation of bolt is connected with the polygon piece, the equal fixedly connected with inserted block in polygon piece left top and bottom.

2. The fixed wellhead hazardous waste liquid environment-friendly collection device according to claim 1, wherein the middle polyurethane polymer reinforcing layer comprises a polyurethane spraying layer, and a polyurethane colloid reinforcing layer is arranged at the top of the polyurethane spraying layer.