CN205313342U - Integration sludge treatment system - Google Patents

Abstract

The utility model relates to a petrochemical industry field especially relates to a drill chip fatlute that is used for the oil extraction, and the crude oil storage tank tank bottoms amasss fatlute, falls to the ground fatlute, the integration sludge treatment system of ageing fatlute etc. Including wasing reaction sled and control and water treatment sled, the utility model discloses an equipment of container formula, the handling capacity can increase and decrease the container module according to actual conditions. Wash the circulated reuse of water, reheating is avoided to the pollution abatement, and is energy -concerving and environment -protective. This product is handled earth earth oil content and is lighter than 0.5 -1%, PH: 6 -9. Reach emission standard after the water treatment, ACOD <= 100, BOD <= 20, SS <= 70, PH6 -9.

Description

Integrated sludge treatment system

technical field

The utility model relates to the petrochemical field, in particular to an integrated sludge treatment system for drilling cuttings sludge in crude oil exploitation, crude oil storage tank bottom sludge, ground sludge, aged sludge and the like.

Background technique

Petroleum is a viscous, dark brown liquid. There are oil reserves in parts of the upper crust. The main component is a mixture of various alkanes, naphthenes and aromatic hydrocarbons. The main components of crude oil are: oily (this is its main component), colloid (a viscous semi-solid substance), asphaltene (dark brown or black brittle solid substance), carbonaceous (a non-hydrocarbon) . Petroleum is a colored, flammable oily liquid with a special smell, mainly composed of hydrocarbons.

Crude drilling cuttings sludge, crude oil storage tank bottom sludge, ground sludge, aged sludge. The oil sludge treated by general equipment on the market has an oil content of 5-6%, which is low in efficiency and cannot catch up with the phenomenon of sludge generation and untreated sludge oil piled up into mountains. pollute the environment.

Contents of the invention

The purpose of the utility model is to overcome the shortcomings of the prior art, and provide an integrated oil sludge treatment system and its use method, which are assembled in a container type, and the processing capacity can be increased or decreased according to the actual situation. The cleaning water can be recycled and reused to reduce pollution, avoid reheating, and save energy and protect the environment.

Integrated sludge treatment system, including cleaning reaction skid, control and water treatment skid,

The cleaning reaction skid is equipped with an air compressor A7 and a screw pump A8 at the lower end to clean the mixing tank A1, the water supply inlet of the cleaning mixing tank A1 is connected to the metering pump A4, and the upper inlet of the cleaning mixing tank A1 is connected to the feed for inputting sludge Machine A10 is connected, the middle and lower outlet of the cleaning mixing tank A1 is connected to the transfer centrifugal pump A9, and the top of the cleaning mixing tank A1 is connected with the dosing machine A6 and the floating oil collector A2;

The control and water treatment skid includes a horizontal screw separator B1, a small buffer tank B2, a centrifugal pump B3, a large buffer tank B4 and a rotary separator B6 connected in sequence, and the rotary separator B6 is provided with an overflow for oil discharge mouth;

The centrifugal pump A5 on the cleaning reaction skid is connected to the horizontal screw separator B1 on the control and water treatment skid, the large buffer water tank B4 is connected to the metering pump A4, and the transfer centrifugal pump A9 is connected to the cyclone B6.

Preferably, a cleaning mixing tank A3 is also installed on the cleaning reaction skid, the upper inlet of the cleaning mixing tank A3 is connected to the feeder A10 for inputting sludge, the water supply inlet of the cleaning mixing tank A3 is connected to the metering pump A4, and the cleaning mixing tank A screw pump A5 is connected to the outlet of the lower end of A3, and a dosing machine A6 and a floating oil collector A2 are connected above the cleaning and stirring tank A1; valves are respectively arranged between the metering pump A4 and the cleaning and stirring tank A1 and the cleaning and stirring tank A3.

Preferably, the screw pump A8 and the screw pump A5 are equipped with pneumatic valves.

Preferably, both the metering pump A4 and the transfer centrifugal pump A9 are provided with pneumatic valves.

Preferably, the control and water treatment skid is also equipped with a connected ceramic filter B7 and a cut-off filter B8, and the ceramic filter B7 is connected to the cyclone B6 through a three-way valve.

In addition, the utility model also provides a usage method of the integrated oil sludge treatment system.

The method of using the integrated oil sludge treatment system includes the following steps:

1) Turn on the air compressor A7 and prepare to control the pneumatic valve;

2) Add water to cleaning mixing tank A1 with metering pump A4;

3) Add oil sludge to A1 through the A10 feeder, start the agitator of the cleaning mixing tank A1, and slowly accelerate;

4) Turn on the dosing machine A6 to add medicine, turn on the steam heating for stirring and cleaning, and then stop the mixer to be quiet;

5) Switch the valve to reactor 1, open the oil slick collector A2, and collect and clean the upper layer of the mixing tank A1;

6) Stop the floating oil collector A2, open the valve, and send the still water in the upper layer of the cleaning mixing tank A1 to the cyclone B6 through the transfer centrifugal pump A9, and then to the small buffer water tank B2 for standby, and drain the oil from the overflow port of the cyclone B6 ;

7) After the still water is drained, turn on the agitator in reactor A1, and turn on the decanter centrifuge B1 in pry B at the same time, and when the speed is normal, turn on the screw pump A8 while stirring, and transfer the cleaned sludge to the decanter centrifuge B1. The clarified water goes to the small buffer tank B2, and when the small buffer tank B2 reaches a certain liquid level, the centrifugal pump B3 is automatically turned on to send the clarified liquid to the buffer tank. The dry mud outlet of the decanter centrifuge is loaded into the trolley for discharge.

Preferably, the weight of water and oil sludge added to the cleaning and mixing tank is 5:1.

Preferably, in the step 4) cleaning the mixing tank is stirred and cleaned at a temperature of about 90° C. for 15 minutes, and then the mixer is stopped and left to stand for 15 minutes.

Preferably, in the step 6) the overflow port at the lower end of the cyclone B6 is connected to the B7 ceramsite filter, the filter is rented to B8, and then discharged to the MBR water treatment B5.

The utility model also provides another usage method of the integrated oil sludge treatment system.

The method of using the integrated oil sludge treatment system includes the following steps:

1) Turn on the air compressor A7 and prepare to control the pneumatic valve;

2) Add 5 tons of water to the cleaning mixing tank A1 with metering pump A4;

3) Add 1 ton of oil sludge to A1 through the A10 feeder, start the agitator of the cleaning mixing tank A1, and slowly accelerate;

4) Turn on the dosing machine A6 to add medicine, turn on the steam heating for stirring and cleaning, and then stop the mixer to be quiet;

5) Switch the valve to reactor 1, open the oil slick collector A2, and collect and clean the upper layer of the mixing tank A1;

6) Stop the floating oil collector A2, open the valve, and send the still water in the upper layer of the cleaning mixing tank A1 to the cyclone B6 through the transfer centrifugal pump A9, and then to the small buffer water tank B2 for standby, and drain the oil from the overflow port of the cyclone B6 ;

7) After the still water is drained, turn on the agitator in reactor A1, and turn on the B1 decanter centrifuge in pry B at the same time. After the speed is normal, turn on the screw pump A8 while stirring in Z1, and transfer the cleaned sludge to the decanter centrifuge B1 , the clarified water goes to the small buffer tank B2, and when B2 reaches a certain level, the centrifugal pump B3 is automatically turned on to send the clarified liquid to the buffer tank. The dry mud outlet of the decanter centrifuge is loaded into the trolley for discharge;

8) After A1 starts step 3), switch the pneumatic valve, and the metering pump starts to add water to A3.

9) The A9 feeder returns to the A3 position, adds sludge to A3, and starts the cleaning reactor.

10) Turn on the dosing machine A6 to add medicine to A3, and turn on the steam to heat;

11) Cycle steps 4)-9).

Preferably, the weight of water and oil sludge added to the cleaning and mixing tank is 5:1.

Preferably, in the step 4) cleaning the mixing tank is stirred and cleaned at a temperature of about 90° C. for 15 minutes, and then the mixer is stopped and left to stand for 15 minutes.

Preferably, in the step 6) the overflow port at the lower end of the cyclone B6 is connected to the B7 ceramsite filter, the filter is rented to B8, and then discharged to the MBR water treatment B5.

After the product of the utility model is treated, the soil oil content is less than 0.5-1%, and the pH is 6-9; after the water treatment, the discharge standard is reached, ACOD≤100, BOD≤20, SS≤70, and PH6-9.

Sludge Cleaning Skid A Structure

A1, A3 cleaning mixing tanks are fixed on both sides of the sludge cleaning skid A container, A8, A5, screw pumps are installed under the two cleaning mixing tanks, an air butterfly valve is installed in between, and an automatic dosing machine A6 is installed in the middle of the two cleaning mixing tanks. Fix it on the bottom sheet of pry A, install the oil slick collector A2 directly above, and install the metering pump A4 in addition, the outlets go to the two stirring reaction tanks respectively, and the upper and middle positions of the reaction tanks also need to install pneumatic valves, transfer the centrifugal pump A9, and the inlets are respectively Connect the middle and lower positions of the two stirring reaction tanks, and install pneumatic valves between them. Pipes, pumps and valves are connected with corresponding flanges.

2. Control and water treatment skid B structure

Sludge cleaning skid B Container decanter centrifuge B1, raise its base, install it in skid B, install buffer tank B2 below, collect the liquid separated by decanter centrifuge B1, then connect centrifugal pump B3, transfer to large buffer The water tank B4 and the water connection pipe of the large buffer water tank B4 only pry the metering pump A4 inlet of A.

The transfer centrifugal pump A9 of skid A is connected to the cyclone B6 of skid B by adding water pipes. The overflow port of the cyclone is connected to a three-way connection, one end is connected to a large buffer water tank, the other end is connected to the inlet of ceramic filter B7, and the outlet of ceramic filter B7 is connected to a blocker Type filter B8 inlet, cut-off filter B8 connected to MBR biofilm water treatment tank.

Oil sludge treatment system process

1. Turn on the air compressor A7 and prepare to control the pneumatic valve.

1. Add 5 tons of water to A1 cleaning reaction kettle with metering pump A4.

2. Add 1 ton of oil sludge to A1 through the A10 feeder, start the cleaning reaction mixer, and slowly accelerate.

3. Turn on the dosing machine A6 to add medicine, the dosing amount is set according to the previous experimental results, turn on the steam heating, and keep the temperature at about 90°C.

4. Stir and wash for 15 minutes, then stop the mixer and let it stand for 15 minutes.

5. Switch the valve to reactor 1, open the oil slick collector A2, and collect the slick oil on the upper layer of the reactor for 2 minutes

6. Stop the oil slick collector A2, turn on the still water in the upper layer of the cleaning reactor A1 and send it to the B6 cyclone through A9 transfer centrifugal pump, and then to the buffer water tank for standby, and drain the oil from the overflow port of the cyclone. Or connect the B7 ceramsite filter to the overflow port at the lower end of the hydrocyclone, rent the filter to B8, and then discharge it to the MBR water treatment B5.

7. After the still water is drained, turn on the agitator of reactor A1, and at the same time turn on the B1 decanter centrifuge in pry B. After the speed is normal, turn on the screw pump A8 while stirring in Z1, and transfer the cleaned sludge to the decanter centrifuge B1 , the clarified water goes to the small buffer tank B2, and when B2 reaches a certain level, the centrifugal pump B3 is automatically turned on to send the clarified liquid to the buffer tank. The dry mud outlet of the decanter centrifuge is loaded into the trolley for discharge.

8. After A1 starts step 3, switch the pneumatic valve, and the metering pump starts to add 5 tons of water to A3.

9. The A9 feeder returns to the A3 position, adds 1 ton of mud to A3, and starts the cleaning reactor.

10. Add medicine to A3 and turn on steam to heat.

11. Start 4-7 steps of symmetrical content.

This application adopts container assembly, and the processing capacity can be increased or decreased according to the actual situation. The cleaning water can be recycled and reused to reduce pollution, avoid reheating, and save energy and protect the environment. The soil oil content after treatment with this product is less than 0.5-1%, PH: 6-9. After water treatment, it reaches the discharge standard, ACOD≤100, BOD≤20, SS≤70, PH6-9.

Description of drawings

Fig. 1 is a schematic structural view of a sludge cleaning skid A of the present invention.

Fig. 2 is a schematic diagram of the front view of Fig. 1 .

Fig. 3 is a schematic structural diagram of the attached view of Fig. 1 .

Fig. 4 is a schematic diagram of the side structure of Fig. 1 .

Fig. 5 is a structural schematic diagram of the utility model control and water treatment skid B.

Fig. 6 is a schematic diagram of the front view of Fig. 5 .

Fig. 7 is a schematic structural diagram of the attached view of Fig. 5 .

detailed description

The technical solution of the utility model will be further described below in conjunction with the accompanying drawings, but the utility model is not limited to the scope of these embodiments.

Integrated sludge treatment system, including cleaning reaction skid, control and water treatment skid,

The cleaning reaction skid is equipped with an air compressor A7Q7 and a screw pump A8Q8 at the lower end to clean the mixing tank A1Q1. The water supply inlet of the cleaning mixing tank A1Q1 is connected to the metering pump A4Q4. Machine A10Q10 is connected, the middle and lower outlet of the cleaning mixing tank A1Q1 is connected to the transfer centrifugal pump A9Q9, and the top of the cleaning mixing tank A1Q1 is connected with the dosing machine A6Q6 and the floating oil collector A2Q2;

The control and water treatment skid includes horizontal screw separator B1S1, small buffer water tank B2S2, centrifugal pump B3S3, large buffer water tank B4S4 and rotary separator B6S6 connected in sequence, and the rotary separator B6S6 is provided with an overflow for oil discharge mouth;

The centrifugal pump A5Q5 on the cleaning reaction skid is connected to the horizontal screw separator B1S1 on the control and water treatment skid, the large buffer water tank B4S4 is connected to the metering pump A4Q4, and the transfer centrifugal pump A9Q9 is connected to the cyclone B6S6.

Preferably, the cleaning reaction skid is also equipped with a cleaning mixing tank A3Q3, the upper inlet of the cleaning mixing tank A3Q3 is connected to the feeder A10Q10 for inputting oil sludge, the water supply inlet of the cleaning mixing tank A3Q3 is connected to the metering pump A4Q4, and the cleaning mixing tank A screw pump A5Q5 is connected to the outlet of the lower end of A3Q3, and a dosing machine A6Q6 and a floating oil collector A2Q2 are connected above the cleaning mixing tank A1Q1; valves are provided between the metering pump A4Q4 and the cleaning mixing tank A1Q1 and cleaning mixing tank A3Q3 respectively.

Preferably, the screw pumps A8Q8 and A5Q5 are equipped with pneumatic valves.

Preferably, both the metering pump A4Q4 and the transfer centrifugal pump A9Q9 are provided with pneumatic valves.

Preferably, the control and water treatment skid is also equipped with a connected ceramic filter B7S7 and a blocking filter B8S8, and the ceramic filter B7S7 is connected to the cyclone B6S6 through a three-way valve.

In addition, the utility model also provides a usage method of the integrated oil sludge treatment system.

The method of using the integrated oil sludge treatment system includes the following steps:

1) Turn on the air compressor A7Q7 and prepare to control the pneumatic valve;

2) Add water to cleaning mixing tank A1Q1 with metering pump A4Q4;

3) Add oil sludge to A1Q1 through the A10Q10 feeder, start the agitator of the cleaning mixing tank A1Q1, and slowly accelerate;

4) Turn on the dosing machine A6Q6 to add medicine, turn on the steam heating for stirring and cleaning, and then stop the mixer to be quiet;

5) Switch the valve to reactor 1, open the oil slick collector A2Q2, and collect and clean the upper layer slick oil of the mixing tank A1Q1;

6) Stop the floating oil collector A2Q2, open the valve, and send the still water in the middle and upper layers of the cleaning mixing tank A1Q1 to the cyclone B6S6 through the transfer centrifugal pump A9Q9, and then to the small buffer water tank B2S2 for standby, and the overflow port of the cyclone B6S6 to drain oil ;

7) After the still water is drained, turn on the reactor A1Q1 agitator, and at the same time turn on the B1S1 decanter centrifuge in pry B, wait for the speed to be normal, turn on the screw pump A8Q8 while stirring in Z1, and transfer the cleaned sludge to the decanter centrifuge B1S1 , the clarified water goes to the small buffer tank B2S2, and when B2S2 reaches a certain level, the centrifugal pump B3S3 is automatically turned on to send the clarified liquid to the buffer tank. The dry mud outlet of the decanter centrifuge is loaded into the trolley for discharge.

Preferably, the weight of water and oil sludge added to the cleaning and mixing tank is 5:1.

Preferably, in the step 4, the cleaning mixing tank is stirred and cleaned at a temperature of about 90° C. for 15 minutes, and then the mixer is stopped and left to stand for 15 minutes.

Preferably, in step 6, the overflow port at the lower end of the cyclone B6S6 is connected to the B7S7 ceramsite filter, the filter is rented to the B8S8, and then discharged to the MBR water treatment B5S5.

The utility model also provides another usage method of the integrated oil sludge treatment system.

The method of using the integrated oil sludge treatment system includes the following steps:

1) Turn on the air compressor A7Q7 and prepare to control the pneumatic valve;

2) Add 5 tons of water to the cleaning mixing tank A1Q1 with the metering pump A4Q4;

3) Add 1 ton of oil sludge to A1Q1 through the A10Q10 feeder, start the agitator of the cleaning mixing tank A1Q1, and slowly accelerate;

4) Turn on the dosing machine A6Q6 to add medicine, turn on the steam heating for stirring and cleaning, and then stop the mixer to be quiet;

5) Switch the valve to reactor 1, open the oil slick collector A2Q2, and collect and clean the upper layer slick oil of the mixing tank A1Q1;

6) Stop the floating oil collector A2Q2, open the valve, and send the still water in the middle and upper layers of the cleaning mixing tank A1Q1 to the cyclone B6S6 through the transfer centrifugal pump A9Q9, and then to the small buffer water tank B2S2 for standby, and the overflow port of the cyclone B6S6 to drain oil ;

7) After the still water is drained, turn on the reactor A1Q1 agitator, and at the same time turn on the B1S1 decanter centrifuge in pry B, wait for the speed to be normal, turn on the screw pump A8Q8 while stirring in Z1, and transfer the cleaned sludge to the decanter centrifuge B1S1 , the clarified water goes to the small buffer tank B2S2, and when B2S2 reaches a certain level, the centrifugal pump B3S3 is automatically turned on to send the clarified liquid to the buffer tank. The dry mud outlet of the decanter centrifuge is loaded into the trolley for discharge;

8) After A1Q1 starts step 3, switch the pneumatic valve, and the metering pump starts to add water to A3Q3.

9) The A9Q9 feeder returns to the A3Q3 position, adds sludge to A3Q3, and starts the cleaning reactor.

10) Turn on the dosing machine A6Q6 to add medicine to A3Q3, and turn on the steam to heat;

11) Repeat steps 4-9.

Preferably, the weight of water and oil sludge added to the cleaning and mixing tank is 5:1.

Preferably, in the step 4, the cleaning mixing tank is stirred and cleaned at a temperature of about 90° C. for 15 minutes, and then the mixer is stopped and left to stand for 15 minutes.

Preferably, in step 6, the overflow port at the lower end of the cyclone B6S6 is connected to the B7S7 ceramsite filter, the filter is rented to the B8S8, and then discharged to the MBR water treatment B5S5.

Claims (6)

1. integrated oil mud treatment system, it is characterised in that: include cleaning reaction sled and controlling and water process sled,

Described cleaning is provided with air compressor machine A7 and lower end with screw pump A8 cleaning agitator tank A1 on reaction sled, the water feed inlet cleaning agitator tank A1 is connected with dosing pump A4, the charger A10 cleaning agitator tank A1 upper inlet and be used for inputting greasy filth is connected, the middle lower exit port cleaning agitator tank A1 connects transfer centrifugal pump A9, cleans agitator tank A1 and is connected above chemicals feeder A6 and floating-oil collector A2;

Described control and water process sleeping spiral shell separator B1 that sled includes being sequentially connected with, minibuffer water tank B2, centrifugal pump B3, big buffer tank B4 and rotary separator B6, and described rotary separator B6 is provided with the overfall for oil extraction;

The described upper centrifugal pump A5 of the reaction sled sleeping spiral shell separator B1 processed on sled with control and water that cleans is connected, and described big buffer tank B4 is connected with dosing pump A4, and described transfer centrifugal pump A9 is connected with cyclone B6.

2. integrated oil mud treatment system according to claim 1, it is characterized in that: described cleaning is also equipped with cleaning agitator tank A3 on reaction sled, the charger A10 cleaning agitator tank A3 upper inlet and be used for inputting greasy filth is connected, the water feed inlet cleaning agitator tank A3 is connected with dosing pump A4, the lower end outlet cleaning agitator tank A3 is connected to screw pump A5, cleans agitator tank A1 and is connected above chemicals feeder A6 and floating-oil collector A2; Described dosing pump A4 respectively and is provided with valve between cleaning agitator tank A1 and cleaning agitator tank A3.

3. integrated oil mud treatment system according to claim 2, it is characterised in that: described screw pump A8 and screw pump A5 is provided with air butterfly valve.

4. integrated oil mud treatment system according to claim 1 and 2, it is characterised in that: described dosing pump A4 and transfer centrifugal pump A9 is designed with air door.

5. integrated oil mud treatment system according to claim 1 and 2, it is characterised in that: described control and water process sled and are also equipped with ceramic filter B7 and the intercepting type filter B 8 of connection, and described ceramic filter B7 is connected with cyclone B6 by three-way valve.

6. integrated oil mud treatment system according to claim 1 and 2, it is characterised in that: described control and water process sled and are provided with MBR water process B5 device.