WO2010121399A1 - Procédé et dispositif pour traiter des boues résiduelles - Google Patents

Procédé et dispositif pour traiter des boues résiduelles Download PDF

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Publication number
WO2010121399A1
WO2010121399A1 PCT/CN2009/000479 CN2009000479W WO2010121399A1 WO 2010121399 A1 WO2010121399 A1 WO 2010121399A1 CN 2009000479 W CN2009000479 W CN 2009000479W WO 2010121399 A1 WO2010121399 A1 WO 2010121399A1
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WO
WIPO (PCT)
Prior art keywords
mud
screen
sand
gravel
tank
Prior art date
Application number
PCT/CN2009/000479
Other languages
English (en)
Chinese (zh)
Inventor
司军
吕允谦
Original Assignee
北京国油联合油田技术服务有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2009201077147U external-priority patent/CN201394383Y/zh
Priority claimed from CN2009100829305A external-priority patent/CN101538096B/zh
Priority claimed from CN2009201077132U external-priority patent/CN201437054U/zh
Application filed by 北京国油联合油田技术服务有限公司 filed Critical 北京国油联合油田技术服务有限公司
Publication of WO2010121399A1 publication Critical patent/WO2010121399A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering

Definitions

  • the invention relates to the treatment of hazardous waste discharged during the oil and gas field drilling process, and particularly relates to a harmless standard treatment method and device for the waste mud slurry.
  • drilling fluids with complex chemical agents pass through a physical change of several thousand underground high temperature and high pressure, and carry a large amount of cuttings and sandstone from the underground, and are discharged from the wellhead.
  • Heavy-duty waste For a long time, China's oil and gas field drilling hazardous waste (disposal mud, effluent mud, cuttings) has been collected and collected into the waste mud pool digging near the drilling rig, and then treated by solidification and burying.
  • the drilling waste sludge can be reduced.
  • the total content of solid particles in the material reduces the consistency of the slurry of the waste mud, so that the remaining waste slurry becomes a fluid slurry with better fluidity, and proceeds to the next continuous treatment process for treatment, so as to achieve the overall waste mud does not fall (ie, The waste slurry is no longer discharged into the waste mud pool.
  • the continuous standard treatment plays a key role, thus changing the traditional overall external solidification treatment mode to fill the gap in the domestic oil drilling environmental protection field.
  • the object of the present invention is to change the current status of treatment of excavation, solidification and in-situ burial of hazardous wastes in oil and gas fields, and to provide a continuous and effective direct receipt of waste sludge, and through a series of technological procedures.
  • the method and device for continuous comprehensive treatment thereof finally discharge harmful substances and recycle resources.
  • the technical solution of the present invention is as follows:
  • a method for treating waste mud comprising the following steps:
  • step 2 1) using a sand and gravel separation device to receive the waste mud, separating the cuttings and gravel therein, washing and discharging, and the slurry produced by the washing and the mud after removing the cutting sand and gravel are mixed and then proceeding to step 2);
  • step 3 1) Adjusting the pH value and reducing the COD value of the mud after removing the cuttings and sandstone, then performing complex flocculation to separate the solid and liquid, and finally separating the aqueous solution from the solid by mechanical de-drying method, and removing the solid after drying.
  • the separated material has reached the standard, can be stacked or landfilled, and the separated aqueous solution proceeds to step 3);
  • the above steps 1) are the key to realize the continuous standard treatment of the waste mud discharged from the drilling.
  • the hazardous waste slurry discharged from the drilling vibrating screen directly enters or passes through the pre-extension equipment (such as a screw conveyor, etc.) into the gravel separation device, and separates a large amount of particles such as cuttings and gravel contained in the mud, thereby reducing and reducing the The effect of substances on subsequent processing.
  • the sand and gravel separation device used in the present invention is provided with a screen basket in a tank body, the screen basket is connected with a screw conveyor (also called auger), and the discharged waste mud first flows into the screen basket, and is fine.
  • the slurry filtered through the screen enters the tank outside the screen basket, and the large particles (ie the cuttings and gravel) enter the screw conveyor, and the screw conveyor sprays the cuttings and gravel while conveying it. After washing, the washed cuttings and gravel are finally discharged out of the tank, and the slurry produced by the washing flows into the tank.
  • the screen basket of the sand separating device may be a fixed screen or a drum screen.
  • the sieve hole diameter of the sieve basket is generally 0.1 to 10 mm, preferably 1 to 5 mm, and the sieve aperture is selected to be adapted to the subsequent mud de-drying process equipment. If the vacuum belt filter is used for the de-drying equipment, the upper limit should be selected to improve the water filtration performance of the mud. If the pressure-type belt filter is selected for the de-drying equipment, the lower limit should be selected to protect the filter belt.
  • the agitator is preferably an anchor agitator.
  • Screen baskets in the form of fixed screens are typically designed in the form of a bucket, with the upper port (i.e., the inlet screen) being the slurry inlet receiving the mud and the lower port (i.e., the screen outlet) communicating with the screw conveyor.
  • the drum screen is generally placed obliquely, the screen opening is at the high end, and the screen opening is at the lower end, and the screen opening is connected to the screw conveyor.
  • the angle of inclination of the drum screen is preferably 5-10 degrees (refer to the angle between the central axis of the drum and the horizontal direction), usually an angle steel skeleton and a peripheral screen.
  • a plurality of spiral strips having a certain spiral angle are generally arranged in the drum to lift the waste mud and then throw it off, thereby accelerating the collapse of the mud mass, for example, Set 12-20 spiral strips with a helix angle of 10-15 degrees.
  • the drum screen is driven by the motor through the transmission mechanism composed of the reducer-pulley, and the transmission mechanism is generally arranged at the lower end of the drum.
  • the above-mentioned screw conveyor is usually placed obliquely, with a sandstone inlet at the lower end and a sandstone outlet at the high end, and the sandstone outlet is located outside the tank.
  • the above-mentioned screw conveyor can adopt a tubular shaftless auger, a spiral piece is arranged in the tube, and a motor for rotating the inner spiral piece of the tube is usually placed at the top of the screw conveyor.
  • the sand After the sand enters the screw conveyor, the sand is sprayed and washed while the spiral piece in the screw conveyor lifts the sand.
  • the water can be sprayed and washed by one or more water spray nozzles arranged in the middle of the screw conveyor to achieve cleaning.
  • the bottom of the screw conveyor is in the form of a mesh, and the slurry produced by the washing also flows into the tank, so that the consistency of the slurry in the tank can be reduced to become a better fluid, and the purpose of pulping is achieved.
  • the above tank body is generally box-shaped, and the slurry filtered into the tank body is kept in a flowing state by being stirred by one or more agitators, and the tank body is outputted by the mud pump and sent to the next processing unit.
  • Step 1) It is possible to remove about 30% of the solid matter in the waste mud discharged from the drilling well (mainly the drill cutting sand with a particle diameter of 1 mm or more) from the slurry, and the separated drilled sand and gravel can be discharged to meet the discharge standard (execution test) Method: GB 5086.2-1997 solid waste leaching toxicity, leaching method - horizontal oscillation method; implementation of the standard "sewage comprehensive discharge standard - GB8978-1996)) first-level indicators). At the same time, the remaining slurry consistency can be reduced to a better fluid, and the mud pump output is passed to step 2) for treatment.
  • the discharge standard execution test
  • the mud in the drilling process of several kilometers carries a variety of hazardous substances such as alkalis, salts, petroleum, heavy metals, etc., and the carrying amount varies greatly. It must be gradually removed by a variety of physical and chemical means.
  • Step 2) First, pH adjustment and forced oxidation of the slurry.
  • the slurry removed from the sand and gravel separation device is first introduced into the slurry storage agitation tank while the first treatment agent is added for agitation.
  • first treatment agents There are two types of first treatment agents: one is acid or alkali, which is used to adjust the pH value of the mud. Usually, hydrochloric acid or sodium hydroxide (caustic soda) is used, and the dosage is to reach pH 6 ⁇ 9; one type is oxidant. Hydrogen peroxide or sodium hypochlorite (bleaching powder) can be used to reduce the COD and BOD of the mud. The amount of oxidant to be applied is adjusted according to the test results of the mud cake obtained by the subsequent de-drying treatment. The goal is to make the mud cake after the de-drying treatment meet the national environmental protection standards, and the COD value of the test is usually required to reach 100 mg/L.
  • the capacity of the slurry storage agitation tank should be 5-10 times larger than the treatment capacity of the subsequent de-drying equipment, and the first treatment agent should be added in batches while the mud enters the slurry storage agitation tank.
  • the mud concentration is generally required.
  • the solid content is controlled to be 1% to 10% (weight percent), which needs to be specifically set according to the requirements of the subsequent mechanical de-drying equipment.
  • the control of the mud concentration is to pump the mud in the mud storage tank to the mud batching tank, and add it to the mud batching tank by adding water (or water).
  • the amount of water added is generally about 1 times the amount of mud entering the mud batching tank.
  • Step 2 It is also necessary to perform composite flocculation on the mud to achieve stability and separation of solid and liquid.
  • the specific method is to first dissolve two kinds of second treatment agents (ie, coagulant and flocculant) with water (returning water or clear water) in different dispensing tanks, and separately pumping the adjusted concentration of mud into the mud reaction tank. Add the coagulant and flocculant solution and stir for 10 ⁇ 15 minutes.
  • the polycondensate may be a polyaluminum chloride or a polyferric chloride, and the concentration of the solution is 3 to 8 wt%, preferably 5 wt%, and the ratio is about 15%, based on the weight ratio of the coagulant solution to the treated slurry.
  • the flocculating agent may be polyacrylamide (molecular weight 8 million to 12 million) or polydiallyldimethylammonium chloride (molecular weight 8 million), the concentration of the preparation solution is about 0.2%, and the dosage ratio is 5%, according to the flocculant solution. Based on the weight ratio of the treated mud.
  • the dosage ratio is suitable. If the solid-liquid separation effect is poor, the dosage ratio should be adjusted. In different regions, the proportion of different drilling depths in the same area is different and needs to be determined through experiments.
  • the mud pump is used to deliver the mud to the desiccator.
  • Step 2) After flocculation, a solution in which water and chemicals are mixed is precipitated from the solid by mechanical de-drying.
  • the mechanical de-drying method may be that the aqueous solution is removed by a vacuum adsorption method or a centrifugal separation method or an extrusion de-drying method, and the de-drying device may be a vacuum adsorption belt filter or a ceramic plate filter machine, a centrifugal de-drying machine, a spiral.
  • the squeezing and drying machine, etc. the dried solid matter (mud cake) has been rendered harmless, can be stacked or landfilled, and the separated aqueous solution is collected and pumped to a subsequent processing unit.
  • Step 2) In progress, the hazardous materials in the waste mud have been basically concentrated in the aqueous solution.
  • step 3) Dewatering and separating the sewage is an aqueous solution containing a plurality of chemicals, and the usual treatment method is to firstly precipitate it through a sedimentation tank (or a sedimentation tank), then filter the second stage, and in the sedimentation tank (or An air flotation device is installed in the sedimentation tank). After removing the suspended solids contained in the water and reducing the degree of organic pollution of the sewage, it is then subjected to a reverse osmosis system for concentration treatment.
  • the fine filtration ultrafiltration process can be added, and then enter the two-stage reverse osmosis system. Treatment, removal of chloride ions and other chemicals in the water, so that the treated water quality meets the first-class standard in the National Integrated Wastewater Discharge Standard.
  • the fresh water from reverse osmosis enters the return water tank. Since the water quality of this part has reached or even exceeded the discharge standard, it can be pumped to the place where fresh water is needed or discharged.
  • the concentrated liquid can be reused for drilling or concentrated.
  • the tanks are collected and concentrated. Due to the different depths of drilling, the mud properties produced are not exactly the same.
  • Different reverse osmosis devices such as freshwater reverse osmosis and seawater reverse osmosis devices
  • the invention adopts a combination of physical and chemical methods, realizes the continuous standard treatment of the hazardous waste discharged from the oil and gas field, and changes the traditional overall external solidification treatment mode, and fills the blank of the domestic oil drilling environmental protection field.
  • the method of the invention can be operated by unit device, and the drilling mud is continuously processed while drilling, and is synchronized with the normal drilling production, in particular, the drilling mud can be separated into sand and gravel, solid-liquid separation, de-drying treatment, water recycling and Disposal, and finally complete the discharge of solid phase materials and water in the effluent of the drilling fluid (to meet the national solid waste, sewage discharge standards) or reuse.
  • the invention realizes environmental protection, energy saving and emission reduction, saving land resources and waste utilization, and is a new technology for treating dangerous toxic pollution wastes in oil and gas field drilling and development.
  • the concentrate containing chemical components or chloride ions can be recovered by the well team and turned into industrial salt raw materials.
  • the method of the invention can be used not only for the treatment of hazardous waste mud in oil and gas field drilling, but also for other drilling and drilling engineering (such as geological exploration, drilling piers, etc.), muddy water pressure shield tunneling (such as subway , the treatment of waste mud, such as river crossing tunnels, municipal water supply and drainage, and other industrial and domestic wastewater waste slag, widely used in petroleum, metallurgy, mining, coal, construction, chemical, electric power, water conservancy, transportation and other fields.
  • drilling and drilling engineering such as geological exploration, drilling piers, etc.
  • muddy water pressure shield tunneling such as subway
  • waste mud such as river crossing tunnels, municipal water supply and drainage
  • other industrial and domestic wastewater waste slag widely used in petroleum, metallurgy, mining, coal, construction, chemical, electric power, water conservancy, transportation and other fields.
  • FIG. 1 is a longitudinal sectional structural view showing a sand and gravel separation apparatus in the form of a fixed sieve in an embodiment of the present invention.
  • Figure 2a is a longitudinal sectional view of the fixed screen basket and its agitator in the embodiment;
  • Figure 2b is a plan view of the internal mixer of the fixed screen.
  • Fig. 3 is a schematic view showing the structure of a sand separation device in the form of a drum screen in the embodiment of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of the trommel shown in Figure 3.
  • Fig. 5 is a schematic structural view of auger in the embodiment of the present invention.
  • Fig. 6 is a flow chart showing the treatment of the dangerous waste mud discharged from the drilling well in the embodiment of the present invention.
  • roller screen 10-1 Inlet screen 10-2. Screening port 10-3. Transmission mechanism
  • FIG. 6 three processing units are used to implement the entire processing process, and the processing flow is as shown in FIG. 6:
  • the first unit is mainly used to collect the dangerous mud slurry for drilling from the outer row of the drilling machine. First, it enters the screw conveyor and is stirred into the sand and gravel separation device by spiral conveying. After stirring and spiral separation, the mud contains a large amount of mud. Inorganic particles and small rock blocks, cuttings, etc. are separated to reduce and reduce the impact of such substances on subsequent processing.
  • FIG. 1 is a schematic view of a sand separation device in the form of a fixed sieve, comprising a box-shaped can body 1 in which a cylindrical funnel-shaped fixed sieve 2 is arranged, and a fixed sieve 2 is provided with an anchor-type fixed sieve stirring.
  • the lower outlet of the fixed screen 2 is connected to the screw conveyor, namely the auger 4, the auger 4 is a tubular shaftless auger, inclined, and the lower part is located in the tank 1
  • the upper part protrudes out of the tank body 1;
  • the auger motor 9 is placed at the top end of the auger 4, which drives the spiral piece in the auger 4 to rotate;
  • the top of the auger 4 also has a sandstone outlet 6, and the auger 4 is centrally
  • a water spray nozzle 5 and the bottom of the auger 4 is a mesh shape;
  • a slurry agitator 7 is also arranged in the tank body 1, and a mud pump 8 is arranged at the bottom of the tank body 1.
  • the structure of the fixed screen 2 and its agitator 3 is as shown in Figures 2a and 2b, and the fixed screen 2 comprises a side screen 2-1 on the side and a bottom screen 2-2 on the bottom; the anchor stirrer is included in the installation
  • the anti-swing support 3-4 of the agitating shaft 3-2 is provided with a reinforcing support 3-5 between the four agitating anchor pieces.
  • Figure 3 is a schematic view showing the structure of the gravel separating device in the form of a drum screen, comprising a box-shaped can body 1; a drum screen 10 is disposed obliquely in the tank body 1, the drum diameter is 1400 mm, the length is 1400 mm, and the inclination angle is about 10 degrees.
  • the inlet screen 10-1 is at the high end of the drum screen, and the screen opening 10-2 is at the low end, and the drum screen 10 is rotated by the motor through the transmission mechanism 10-3; the screw screen 10 is inclined at the side to provide a screw conveyor, that is, the tube Type shaftless auger 4.
  • the other structure of the sand separation device in the form of a trommel is the same as that of the fixed screen.
  • the cross section of the trommel 10 in the A-A direction of Fig. 3 is as shown in Fig. 4, and the trommel 10 is constituted by a radial angle frame 10-5 peripheral screen 10-4. There are also 18 spiral strips 10-6 in the drum, and the helix angle is 10 degrees to lift the waste mud and then throw it off.
  • the structure of the auger 4 is shown in Figure 5, either in the form of a fixed screen or a sand-screen separation device. 6.
  • the auger blade 4-2 is installed in the auger, and the auger blade 4-2 is connected to the auger motor 9 installed at the outlet end through the short shaft 4-3 of the auger, and the washing nozzle is arranged in the middle of the auger. Mouth 5.
  • the sand and gravel enters the auger from the sandstone inlet 4-4 of the auger, and the auger blade 4-2 is rotated by the auger motor 9, and the sand is moved inside the auger, and the water sprayed by the water spray nozzle 5 is simultaneously sprayed. Washed and finally discharged from the gravel outlet 6.
  • the efflux waste slurry first enters the screen basket in the tank body 1 (ie, the fixed screen 2 in FIG. 1 or the drum screen 10 in FIG. 3), and is stirred by the anchor-type fixed screen mixer 3 to form a swirl or pass.
  • the rolling of the trommel 10 forms a swirling flow, and the fine slurry is filtered through the screen into the mud box, that is, the tank body 1.
  • the large particles (drilling sand) fall into the tubular shaftless auger 4 under the screen basket. Driven by Auger Motor 9, the cuttings and gravel are lifted by auger spirals and discharged from the sandstone outlet 6 at the top of the auger 4.
  • a water spray nozzle 5 is added to spray and clean the cuttings and gravel in the lifting of the auger 4 to achieve the cleaning effect, so that the cuttings and sand in the mud are separated and washed.
  • the discharge standard execution test method: GB 5086.2-1997 solid waste leaching toxicity, Horizontal oscillating method of leaching method; implementation of the standard "first-level indicator of comprehensive wastewater discharge standard GB8978-1996").
  • the washing water flows into the tank from the bottom of the auger, which can reduce the consistency of the remaining slurry into a better fluid to achieve the purpose of pulping.
  • the agitator in the tank keeps the slurry flowing, passing through the mud pump 8 at the bottom of the tank and entering the next continuous processing unit.
  • the outer row of cuttings and gravel can be used for paving roads, achieving environmental protection and waste utilization.
  • Tables 1, 2 and 3 are the specifications of the sand separation unit and its main operating parameters in the practical application of the present invention.
  • Cadmium (calculated as total cadmium) 0. 3 0.1 Not detected Not detected Note: GB5085.3-1996 "Identification of hazardous waste - Identification of leaching toxicity";
  • the second unit feeds the mud separated by the sand and gravel into the slurry storage mixing tank, and adds the first treating agent. After stirring and mixing, the slurry is sent to the mud mixing tank to be used to mix the mud concentration with the water. Then, it is sent to the mud reaction tank, and the second treatment agent is added at the same time to complete the coagulation and coagulation and solid-liquid separation, and then pumped into the de-drying machine to separate the mud and water.
  • the separated water is collected in a water tank and then lifted by a pump to a third processing unit. 3.
  • the third unit firstly precipitates the sewage separated by the dedrying machine and then performs secondary filtration to remove the water. After some suspended solids and reduced the degree of organic pollution of the wastewater, fine filtration ultrafiltration is carried out, and finally into a two-stage reverse osmosis system for concentration treatment. Reverse osmosis out of fresh water into the return water tank, because this part of the water has reached or even exceeded the discharge standard, it can be reused or discharged by the well team; and the concentrated liquid can be recycled to the well or collected in concentrated tanks for centralized treatment.
  • the incinerator can be built for centralized treatment or evaporative crystallization treatment, and the crystalline salt can be sold to the salt chemical production enterprise, turning waste into profit. Due to the different depths of drilling, the mud properties produced are not exactly the same. Different reverse osmosis devices (freshwater reverse osmosis and seawater reverse osmosis) are used depending on the depth of the well.
  • the sample is taken from the primary filtration (sand filtration), the sample is taken after the secondary reverse osmosis.
  • the waste mud generated by drilling is collected by unit equipment, separated by washing sand, firewood, solidified solid-liquid separation, solid phase dehydration, sewage filtration, reverse osmosis treatment process.
  • the solid phase (cuts, sand, sand) and water reach the harmless discharge standard for discharge or recycling, which realizes the failure of the whole drilling waste mud (ie, the waste mud is no longer discharged into the waste mud pool). ) Continuous compliance processing.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un procédé pour traiter des boues résiduelles, qui consiste à : recevoir des boues résiduelle dans un dispositif de séparation à gravier; séparer, laver et évacuer les copeaux de forage et le gravier; puis régler la valeur de pH des boues et réduire leur valeur COD, et exécuter une floculation composite sur la solution aqueuse afin de séparer les solides dissous dans la solution aqueuse au moyen d'un procédé de déshydratation mécanique, empiler ou enterrer l'isolat solide déshydraté; et enfin filtrer la solution aqueuse et exécuter une osmose inverse de la solution aqueuse pour obtenir de l'eau fraîche. Un dispositif de séparation de gravier comprend un corps de cuve (1), un cadre de filtrage (2) et un transporteur à vis (4), le cadre de filtrage (2) étant disposé dans la cuve (1), la sortie du cadre de filtrage étant reliée à l'entrée de gravier du convoyeur à vis, et la sortie de gravier du convoyeur à vis se trouvant en dehors du corps de cuve.
PCT/CN2009/000479 2009-04-24 2009-04-30 Procédé et dispositif pour traiter des boues résiduelles WO2010121399A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN2009201077147U CN201394383Y (zh) 2009-04-24 2009-04-24 一种泥浆砂石分离装置
CN200920107714.7 2009-04-24
CN2009100829305A CN101538096B (zh) 2009-04-24 2009-04-24 一种废弃泥浆处理方法
CN2009201077132U CN201437054U (zh) 2009-04-24 2009-04-24 一种砂石分离装置
CN200910082930.5 2009-04-24
CN200920107713.2 2009-04-24

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WO2010121399A1 true WO2010121399A1 (fr) 2010-10-28

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CN106082581A (zh) * 2016-08-19 2016-11-09 天津泛茵德泰石油环保科技发展股份有限公司 石油钻井废弃泥浆减量化零排放再利用系统及方法
CN106732049A (zh) * 2017-04-01 2017-05-31 中石化石油工程技术服务有限公司 石油钻井液助剂自动添加搅拌装置
CN106761497A (zh) * 2016-09-13 2017-05-31 谭艳儒 岩屑分离装置
CN107399897A (zh) * 2017-08-04 2017-11-28 胜利油田龙玺石油工程服务有限责任公司 一种循环利用污水的钻井泥浆处理装置
CN108160314A (zh) * 2017-11-28 2018-06-15 深圳市万佳晟环保产业有限公司 建筑垃圾处理系统
CN109236218A (zh) * 2018-10-16 2019-01-18 四川宏华石油设备有限公司 一种泥浆装置
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CN111825297A (zh) * 2020-07-24 2020-10-27 廊坊中建机械有限公司 一种泥浆智能处理系统和处理方法
CN112759216A (zh) * 2020-12-17 2021-05-07 西安华盛坤泰能源环保科技有限公司 一种钻井废弃泥浆减量化无害化资源化处理方法及系统
CN113526703A (zh) * 2021-07-19 2021-10-22 中铁十四局集团大盾构工程有限公司 一种泥水盾构隧道泥水处理与循环利用方法
CN115196711A (zh) * 2022-06-24 2022-10-18 成都理工大学 一种岩心钻探泥浆废液循环处理方法
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CN115259469A (zh) * 2022-08-15 2022-11-01 中国铁建重工集团股份有限公司 一种用于处理掘进设备施工产生的岩粉质废浆的方法和系统
CN115745360A (zh) * 2023-01-06 2023-03-07 瑞安市联通市政工程有限公司 一种城市废弃泥浆脱水固化处理装置及处理方法

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CN104179506A (zh) * 2014-07-30 2014-12-03 中铁三局集团有限公司 一种盾构结泥饼的处理方法
CN106082581A (zh) * 2016-08-19 2016-11-09 天津泛茵德泰石油环保科技发展股份有限公司 石油钻井废弃泥浆减量化零排放再利用系统及方法
CN106761497A (zh) * 2016-09-13 2017-05-31 谭艳儒 岩屑分离装置
CN106761497B (zh) * 2016-09-13 2023-08-01 谭艳儒 岩屑分离装置
CN106732049A (zh) * 2017-04-01 2017-05-31 中石化石油工程技术服务有限公司 石油钻井液助剂自动添加搅拌装置
CN106732049B (zh) * 2017-04-01 2023-10-31 中石化石油工程技术服务有限公司 石油钻井液助剂自动添加搅拌装置
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CN108160314B (zh) * 2017-11-28 2023-06-06 深圳江氏恩泽实业有限公司 建筑垃圾处理系统
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CN111825297A (zh) * 2020-07-24 2020-10-27 廊坊中建机械有限公司 一种泥浆智能处理系统和处理方法
CN112759216A (zh) * 2020-12-17 2021-05-07 西安华盛坤泰能源环保科技有限公司 一种钻井废弃泥浆减量化无害化资源化处理方法及系统
CN113526703A (zh) * 2021-07-19 2021-10-22 中铁十四局集团大盾构工程有限公司 一种泥水盾构隧道泥水处理与循环利用方法
CN115196711A (zh) * 2022-06-24 2022-10-18 成都理工大学 一种岩心钻探泥浆废液循环处理方法
CN115196711B (zh) * 2022-06-24 2023-06-16 中国地质调查局呼和浩特自然资源综合调查中心 一种岩心钻探泥浆废液循环处理方法
CN115234185A (zh) * 2022-07-26 2022-10-25 建基建设集团有限公司 一种钻孔灌注桩泥浆处理装置及综合利用处理系统
CN115234185B (zh) * 2022-07-26 2024-04-16 建基建设集团有限公司 一种钻孔灌注桩泥浆处理装置及综合利用处理系统
CN115259469A (zh) * 2022-08-15 2022-11-01 中国铁建重工集团股份有限公司 一种用于处理掘进设备施工产生的岩粉质废浆的方法和系统
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