CN111484226A - Oily sludge dewatering and drying equipment - Google Patents

Oily sludge dewatering and drying equipment Download PDF

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Publication number
CN111484226A
CN111484226A CN202010334526.9A CN202010334526A CN111484226A CN 111484226 A CN111484226 A CN 111484226A CN 202010334526 A CN202010334526 A CN 202010334526A CN 111484226 A CN111484226 A CN 111484226A
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CN
China
Prior art keywords
welded
drying
flue gas
straw
oily sludge
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Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010334526.9A
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Chinese (zh)
Inventor
张志军
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Daqing Aopusi Petroleum Technology Co ltd
Original Assignee
Daqing Aopusi Petroleum Technology Co ltd
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
Application filed by Daqing Aopusi Petroleum Technology Co ltd filed Critical Daqing Aopusi Petroleum Technology Co ltd
Priority to CN202010334526.9A priority Critical patent/CN111484226A/en
Publication of CN111484226A publication Critical patent/CN111484226A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating

Abstract

The invention belongs to the technical field of oil field environment-friendly equipment, and particularly relates to oily sludge dewatering and drying equipment which comprises a straw incinerator, a cement heat-preservation pool and a drying box; the bottom surface of the bottom plate of the drying box is welded with a rectangular flue gas channel, a flue gas inlet is welded with a flue gas outlet pipe of the straw incinerator through a variable head, the flue gas outlet is welded with a chimney, and the top of the chimney is provided with an induced draft fan; the drying box is placed on a cement heat-insulation pool with a stepped groove through a support frame and a support rod, the top end face of the heat-insulation cement pool is higher than the bottom face of the drying box, a through hole is formed in the side face of the heat-insulation cement pool, and the heat-insulation cement pool is built by cement. Throw the stoving incasement with wet oil sludge, utilize the flue gas that the straw burns burning furnace and produce to carry out the stoving dehydration to wet oil sludge, utilized the straw to burn the heat that produces and carry out the dehydration stoving processing to wet oil sludge, reduced the energy waste of dirty oil sludge treatment process on the one hand, resources are saved, on the other hand has solved partial peasant household straw and has burned the problem.

Description

Oily sludge dewatering and drying equipment
The technical field is as follows:
the invention belongs to the technical field of oil field environment-friendly equipment, and particularly relates to oil-containing sludge dewatering and drying equipment.
Background art:
the thermal cracking treatment technology of the oily sludge is a sludge treatment technology which is widely applied at present. Before thermal cracking, the oily sludge is usually dried, and is mainly dried and dehydrated by a drier or a drying device. No matter the drier or other drying equipment needs to consume electric energy or other energy sources, the consumed energy sources are not environment-friendly energy sources. A large amount of straws are required to be incinerated every year in northeast agricultural areas of China, but due to the requirement of environmental protection, farmers are not allowed to incinerate the straws in the field, but the straws are compressed, packed or crushed into straw bricks and then are intensively incinerated or sold to power plants for incineration treatment. Because the quantity of power plants is limited, and the heat values of packed straws or grass bricks are mixed, most of the straws cannot meet the power generation requirement, so that the straw compression package can only be burned concentratedly, and the straw energy is greatly wasted. If the combustion heat of the straw compressed bag or the straw grass brick is used in the drying and dehydrating process of the oily sludge, the combustion heat of the straw can be fully utilized, and the problem that part of straws of farmers cannot be treated is solved. If the heat generated by straw combustion is used for dehydrating and drying the oily sludge, the dehydrated and dried oily sludge can be directly subjected to thermal cracking treatment, incineration treatment or pre-dehydration treatment before drying treatment. In addition, the dehydration drying process is convenient for transportation and subsequent treatment of the oily sludge after the liquid oily sludge is subjected to pre-dehydration treatment. The oily sludge is dehydrated by utilizing the heat of straw combustion, so that not only can energy be saved, but also the problem of burning of part of straws of farmers can be solved. Thus, this is achieved. It is necessary to design a device for dehydrating and drying the oil-containing sludge by burning the straw compression bag.
The invention content is as follows:
the invention aims to provide equipment for dehydrating and drying oily sludge by burning a straw compression bag. Throw the stoving incasement with wet oil sludge, utilize the flue gas that the straw burns burning furnace and produce to carry out the stoving dehydration to wet oil sludge, utilized the straw to burn the heat that produces and carry out the dehydration stoving processing to wet oil sludge, reduced the energy waste of dirty oil sludge treatment process on the one hand, resources are saved, on the other hand has solved partial peasant household straw and has burned the problem.
The technical scheme adopted by the invention is as follows: an oily sludge dewatering and drying device comprises a straw incinerator, a cement heat-preservation pool and a drying box; the drying box consists of a bottom plate and surrounding plates on four sides, a rectangular flue gas channel is welded on the bottom surface of the bottom plate, a flue gas inlet and a flue gas outlet of the flue gas channel are positioned on the same side, and the flue gas channel is arranged in a snake-shaped rotary manner; the smoke inlet is welded with a smoke outlet pipe of the straw incinerator through a variable head, the smoke outlet is welded with a chimney, and the top of the chimney is provided with an induced draft fan; the bottom plate weld all around have spaced support frame, and the support frame is formed by the riser welding of diaphragm and equipartition, and the welding of bottom plate bottom surface has the bracing piece of equipartition, the stoving case is placed on the cement heat preservation pond that has the ladder groove through support frame and bracing piece, and the top surface in heat preservation cement pond is higher than the bottom surface of stoving case, and open the side in heat preservation cement pond has the through-hole, and the lower half in heat preservation cement pond is located the below ground, and heat preservation cement pond uses cement to build.
Furthermore, the smoke outlet is communicated with a smoke treatment system of the straw incinerator, and the smoke treatment system is communicated with a chimney.
Furthermore, the smoke outlet pipe is welded with a smoke inlet on one side of the ash collection box, and the smoke outlet on the other side of the ash collection box is welded with a smoke inlet through a variable head; the cigarette inlet and the cigarette outlet are located on the upper portion of the ash collecting box, the ash collecting box top is provided with an ash cleaning hole, a cover plate is detachably mounted on the ash cleaning hole, ash sliding inclined plates are welded on two sides of the ash cleaning hole, and cigarette ash channels are reserved at the bottom ends of the ash sliding inclined plates.
Further, trilateral welding of stoving case has the bounding wall, and its end is equipped with the detachable baffle, and the baffle bottom is located the recess slide, and the welding of recess slide is in the one end of bottom plate, and the side welding of recess slide has the separation blade of equipartition.
Furthermore, the drying equipment also comprises a segmentation cylinder made of aluminum materials, the segmentation cylinder is a cylinder with an upper opening and a lower opening, the top end of the segmentation cylinder is welded with a cross beam, and the bottom end of the segmentation cylinder is polished into an inclined plane by using a grinding wheel.
Further, the diameter of the dividing cylinder is 20-40 cm.
Further, the bottom of the straw incinerator is communicated with a blower.
Further, the height of the chimney is not less than 10 meters.
Further, the height between the top surface of the drying box and the ground is not more than 1.2 m after the drying box is installed.
Further, the height of the coaming is 40-60 cm.
The invention has the beneficial effects that: provides a device for dehydrating and drying oily sludge by burning a straw compression bag. Throw the stoving incasement with wet oil sludge, utilize the flue gas that the straw burns burning furnace and produce to carry out the stoving dehydration to wet oil sludge, utilized the straw to burn the heat that produces and carry out the dehydration stoving processing to wet oil sludge, reduced the energy waste of dirty oil sludge treatment process on the one hand, resources are saved, on the other hand has solved partial peasant household straw and has burned the problem. The straw is used as the energy for dehydrating and drying the wet oil sludge, so that the energy waste is reduced, the cost is saved, and the condition that the straw in the local farmland can not be incinerated in the field is solved. Is easy to be popularized and used on a large scale.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic bottom view of a drying box according to an embodiment;
FIG. 3 is a schematic top view of a drying box according to a first embodiment;
FIG. 4 is a schematic structural view of the second embodiment;
FIG. 5 is a schematic structural view of the third embodiment;
FIG. 6 is a schematic structural view of a dust box in the third embodiment;
FIG. 7 is a schematic structural view of the fourth embodiment;
FIG. 8 is a schematic structural view of the fifth embodiment;
FIG. 9 is a schematic structural view of a fifth embodiment of a dividing cylinder;
FIG. 10 is a schematic structural view of the sixth embodiment.
The specific implementation mode is as follows:
example one
Referring to fig. 1-3, the oil-containing sludge dewatering and drying equipment comprises a straw incinerator 1, a cement heat-preservation pool 4 and a drying box 7; the drying box 7 consists of a bottom plate 701 and surrounding plates 707 on four sides, a rectangular flue gas channel 702 is welded on the bottom surface of the bottom plate 701, a flue gas inlet 704 and a flue gas outlet 703 of the flue gas channel 702 are positioned on the same side, and the flue gas channel 702 is arranged in a snake-shaped circle; the smoke inlet 704 is welded with the smoke outlet pipe 2 of the straw incinerator 1 through a variable head 3, the smoke outlet 703 is welded with a chimney 9, and the top of the chimney 9 is provided with an induced draft fan 8; the periphery of the bottom plate 701 is welded with spaced support frames 6, the support frames are formed by welding transverse plates and uniformly distributed vertical plates, the bottom surface of the bottom plate 701 is welded with uniformly distributed support rods 5, the drying box 7 is placed on a cement heat-preservation pool 4 with a stepped groove through the support frames 6 and the support rods 5, the top end surface of the heat-preservation cement pool 4 is higher than the bottom surface of the drying box 7, the side surface of the heat-preservation cement pool 4 is provided with through holes, the lower half part of the heat-preservation cement pool 4 is positioned below the ground, and the heat-preservation cement pool 4 is built by cement; the height of the chimney 9 is not less than 10 m; the height between the top surface of the drying box 7 and the ground is not more than 1.2 m after the drying box is installed; the height of the coaming 707 is 40 cm-60 cm.
Wet oil sludge (the wet oil sludge can be wet oil sludge of a sludge pool or a sludge tank or wet oil sludge of an oil-containing sludge treatment plant) is conveyed into a drying box through a lifting device; or the bagged wet oil sludge collected by a metering room, an oil transfer station or a maintenance well site is poured into a drying box. And the wet oil sludge in the drying box is spread, and the height of the wet oil sludge is not more than 40 cm. The straw incinerator is started, the straw compression package is filled into the incinerator for incineration, high-temperature flue gas generated by incineration enters the rectangular flue gas channel, the flue gas channel is in a snake-shaped disc, the flue gas is discharged from a chimney after passing through the flue gas channel, and an induced draft fan is installed at the top end of the chimney, so that the flue gas can go upward and be incinerated. The high temperature flue gas passes the bottom plate of stoving case with the heat for the bottom plate temperature risees, and then heats and evaporates the moisture in the wet fatlute. The heat preservation cement pond can reduce thermal damage, improves drying efficiency. And drying the wet oil sludge by using high-temperature flue gas generated by straw burning so as to evaporate part of water in the wet oil sludge. The straw belongs to a low-cost heat energy source, although the heat value is not high, the requirement of drying wet oil sludge can be completely met, and the drying degree is determined according to the subsequent treatment requirement of the oil sludge or the subsequent transportation requirement. For example, the dehydrated and dried oily sludge can be directly subjected to thermal cracking treatment, can also be subjected to incineration treatment, and can also be subjected to pre-dehydration treatment before drying treatment. Or after the wet oil sludge is dried and dehydrated, the wet oil sludge is convenient to transport and transfer. After having confirmed wet sludge and having reached the stoving requirement, closed the straw and burnt burning furnace, the workman gets into the stoving incasement and clears away the dirty sludge after drying, can use simple and easy shovel utensil when clearing away, also can use electronic shovel utensil or cutting machine to clear away dirty sludge, perhaps uses small-size hook machine to clear away, and the dirty sludge after clearing away can directly be transmitted to next process through transmission equipment, also can transport to appointed place through haulage vehicle or vanning or bagging-off and handle.
The induced draft fan is preferably an induced draft fan produced and sold by Suzhou full wind environmental protection technology limited company, Shandong Beizhou group air conditioning equipment limited company, Shanghai and Xin electromechanical technology limited company, Suzhou Rui warming and ventilation equipment engineering limited company, Kun shan Xin Xue electromechanical limited company, Zibo Huayue environmental protection equipment limited company, Shandong Maiba company, Nantong Dadong wind machine effective company, Foshan Guangdong wind fan manufacturing limited company and a new ideal home decoration material special shop. The straw incinerator is preferably produced by Hongli mechanical factory in Shandong cities, Henan North Industrial and mechanical manufacturing company, and environmental protection technology company, No. extreme Lun.
Example two
Referring to fig. 4, on the basis of the first technical solution of the embodiment, the smoke outlet 703 is communicated with a smoke treatment system of the straw incinerator 1, and the smoke treatment system is further communicated with a chimney 9. When the straw incinerator with the smoke environment-friendly treatment system is used, the smoke outlet at the tail end of the smoke channel is communicated with the smoke treatment system, and the smoke is discharged after being subjected to environment-friendly treatment.
EXAMPLE III
Referring to fig. 5 and 6, on the basis of the first technical solution of the embodiment, the smoke outlet pipe 2 of the straw incinerator 1 is welded to the smoke inlet 104 on one side of the ash collection box 10, and the smoke outlet 105 on the other side of the ash collection box 10 is welded to the smoke inlet 704 through the change head 3; the smoke inlet 104 and the smoke outlet 105 are located at the upper part of the ash collecting box 10, the top end of the ash collecting box 10 is provided with an ash cleaning hole 101, a cover plate 102 is detachably arranged on the ash cleaning hole 101, ash sliding inclined plates 103 are welded on two sides of the ash cleaning hole 101, and an ash channel is reserved at the bottom ends of the ash sliding inclined plates 103. Burn and be provided with the dust collection case that is used for collecting the straw dust between burning furnace and the flue gas passageway, can collect the smoke and dust in the flue gas, avoid a large amount of cigarette ashes to get into the flue gas passageway in, influence the drying efficiency of wet fatlute. Burn the flue gas that burning furnace produced and get into the ash collecting box through advancing the cigarette hole in, the flue gas can only be down earlier by the passageway entering flue gas channel of swift current ash swash plate bottom, and under the effect of gravity, cigarette ash granule is detained in the bottom of ash collecting box, regularly clears up the cigarette ash of ash collecting box bottom.
Example four
Referring to fig. 7, on the basis of the first technical solution of the embodiment, three sides of the drying box 7 are welded with enclosing plates 707, the ends of the enclosing plates are provided with detachable baffles 708, the bottom ends of the baffles 708 are located in groove slideways 710, the groove slideways 710 are welded at one end of a bottom plate 701, and the side surfaces of the groove slideways 710 are welded with evenly distributed retaining plates 709. The baffle can slide in the recess slide, can tear the baffle down through sliding, is convenient for clear away the dirty oil mud after the stoving. This embodiment uses the leak protection plastic cloth to lay at stoving case baffle inboard before drying, avoids the seepage of wet oil mud.
EXAMPLE five
Referring to fig. 8 and 9, on the basis of the first and fourth embodiments, the drying apparatus further includes a dividing cylinder 705 made of an aluminum material, the dividing cylinder 705 is a cylinder with an open top and a closed bottom, a cross beam 706 is welded to the top end of the dividing cylinder 705, and the bottom end of the dividing cylinder 705 is polished to an inclined surface by using a grinding wheel. The diameter of the segmenting cylinder 705 is 20 cm to 40 cm. Before wet oil mud shakeouts the back and dries, will cut apart even cartridge of a section of thick bamboo to the stoving incasement, carry out the cutting apart before drying to wet oil mud, the clearance of cutting apart between the section of thick bamboo is not more than 10 centimetres, the height of cutting apart a section of thick bamboo is greater than the thickness of wet oil mud, after wet oil mud is dried, the wet oil mud of stoving is cut apart a section of thick bamboo and is cut apart into the number, be convenient for clear away and carry, when cleaing away or carrying, move outermost section of thick bamboo of cutting apart earlier, cut apart a section of thick bamboo and shift out the stoving case after, the dirty fatlute that uses tools to strike or in the propelling. The separating cylinder can be repeatedly used.
EXAMPLE six
Referring to fig. 10, the straw incinerator comprises an incinerator body 51, a water heating system 52, a fan 53 and a dust collector 53, a water heating circulation system is arranged outside the incinerator body, the temperature of the incinerator body can heat the external circulation water system in the process of generating flue gas in the straw incinerator, and cold water enters into a heated water heating system and is used for treating plant toilets or cleaning equipment.
EXAMPLE seven
On the basis of the technical scheme of the embodiment, the bottom of the straw incinerator 1 is communicated with a blower. Oxygen is conveyed into the incinerator, so that the combustion efficiency and speed of the straw can be improved. Thereby improving the drying efficiency.

Claims (10)

1. The utility model provides an oily sludge dewatering drying equipment which characterized in that: the drying equipment comprises a straw incinerator (1), a cement heat-preservation pool (4) and a drying box (7); the drying box (7) consists of a bottom plate (701) and surrounding plates (707) on four sides, a rectangular flue gas channel (702) is welded on the bottom surface of the bottom plate (701), a flue gas inlet (704) and a flue gas outlet (703) of the flue gas channel (702) are positioned on the same side, and the flue gas channel (702) is arranged in a snake-shaped rotary manner; the smoke inlet (704) is welded with a smoke outlet pipe (2) of the straw incinerator (1) through a variable head (3), the smoke outlet (703) is welded with a chimney (9), and an induced draft fan (8) is installed at the top of the chimney (9); welding all around of bottom plate (701) has spaced support frame (6), and bottom plate (701) bottom surface welding has bracing piece (5) of equipartition, stoving case (7) are placed on cement heat preservation pond (4) with the ladder groove through support frame (6) and bracing piece (5), and the top end face in heat preservation cement pond (4) is higher than the bottom surface of stoving case (7), and open the side in heat preservation cement pond (4) has the through-hole, and the lower half in heat preservation cement pond (4) is located the below ground, and heat preservation cement pond (4) use cement to build into.
2. The oily sludge dewatering and drying equipment according to claim 1, wherein: the smoke outlet (703) is communicated with a smoke treatment system of the straw incinerator (1), and the smoke treatment system is communicated with a chimney (9).
3. The oily sludge dewatering and drying equipment according to claim 1, wherein: the smoke outlet pipe (2) is welded with a smoke inlet (104) at one side of the ash collection box (10), and a smoke outlet (105) at the other side of the ash collection box (10) is welded with a smoke inlet (704) through a variable head (3); the ash collecting box is characterized in that the smoke inlet (104) and the smoke outlet (105) are located on the upper portion of the ash collecting box (10), an ash cleaning hole (101) is formed in the top end of the ash collecting box (10), a cover plate (102) is detachably mounted on the ash cleaning hole (101), ash sliding inclined plates (103) are welded on two sides of the ash cleaning hole (101), and an ash channel is reserved at the bottom ends of the ash sliding inclined plates (103).
4. The oily sludge dewatering and drying equipment according to claim 1, wherein: three sides of the drying box (7) are welded with enclosing plates (707), the end heads of the enclosing plates are provided with detachable baffle plates (708), the bottom ends of the baffle plates (708) are located in groove slide ways (710), the groove slide ways (710) are welded at one end of a bottom plate (701), and the side faces of the groove slide ways (710) are welded with evenly distributed baffle plates (709).
5. The oily sludge dewatering and drying equipment according to claim 4, wherein the equipment comprises: the drying equipment further comprises a dividing cylinder (705) made of aluminum materials, the dividing cylinder (705) is a cylinder with an upper opening and a lower opening, a cross beam (706) is welded at the top end of the dividing cylinder (705), and the bottom end of the dividing cylinder (705) is polished into an inclined surface by using a grinding wheel.
6. The oily sludge dewatering and drying equipment according to claim 5, wherein: the diameter of the dividing cylinder (705) is 20 cm-40 cm.
7. The oily sludge dewatering and drying apparatus according to any one of claims 1 to 6, wherein: the bottom of the straw incinerator (1) is communicated with a blower.
8. The oily sludge dewatering and drying apparatus according to any one of claims 1 to 6, wherein: the height of the chimney (9) is not less than 10 meters.
9. The oily sludge dewatering and drying apparatus according to any one of claims 1 to 6, wherein: the height between the top surface of the drying box (7) and the ground is not more than 1.2 m after the drying box is installed.
10. The oily sludge dewatering and drying apparatus according to any one of claims 1 to 6, wherein: the height of the coaming (707) is 40-60 cm.
CN202010334526.9A 2020-04-24 2020-04-24 Oily sludge dewatering and drying equipment Pending CN111484226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010334526.9A CN111484226A (en) 2020-04-24 2020-04-24 Oily sludge dewatering and drying equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010334526.9A CN111484226A (en) 2020-04-24 2020-04-24 Oily sludge dewatering and drying equipment

Publications (1)

Publication Number Publication Date
CN111484226A true CN111484226A (en) 2020-08-04

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CN202010334526.9A Pending CN111484226A (en) 2020-04-24 2020-04-24 Oily sludge dewatering and drying equipment

Country Status (1)

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CN (1) CN111484226A (en)

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CN205048449U (en) * 2015-03-17 2016-02-24 南京工程学院 Processing system of grate type waste incinerator multifuel combustion mud
CN105645733A (en) * 2016-03-09 2016-06-08 江苏大学 Drying and incinerating system and incinerating process for sludge
CN106396336A (en) * 2016-11-28 2017-02-15 中冶华天南京工程技术有限公司 Thermal drying and incineration combined municipal sludge treatment system
CN109574443A (en) * 2018-12-28 2019-04-05 重庆盎瑞悦科技有限公司 A kind of process system using self- propagating pyrolytic incineration disposition oily sludge
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