CN109437497B - Oil sludge recovery treatment equipment - Google Patents
Oil sludge recovery treatment equipment Download PDFInfo
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- CN109437497B CN109437497B CN201710762367.0A CN201710762367A CN109437497B CN 109437497 B CN109437497 B CN 109437497B CN 201710762367 A CN201710762367 A CN 201710762367A CN 109437497 B CN109437497 B CN 109437497B
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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
- C02F11/00—Treatment of sludge; Devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
- B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
- B30B11/246—Screw constructions
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses oil sludge recovery treatment equipment which comprises a shell provided with a first feeding hole and a first discharging hole, wherein a stirring cavity communicated with the first feeding hole and an extrusion cavity communicated with the first discharging hole are arranged in the shell, an oil sludge stirring device is arranged in the stirring cavity, and an oil sludge extrusion device is arranged in the extrusion cavity; the stirring chamber with still be equipped with the vacuum cavity between the extrusion chamber, the vacuum cavity is equipped with second feed inlet and second discharge gate, the second feed inlet with the stirring chamber intercommunication, the second discharge gate with the extrusion chamber intercommunication. The invention can effectively form a vacuum environment for processing the oil sludge and avoid the problem of oil sludge blockage in the vacuumizing process.
Description
Technical Field
The invention relates to the technical field of oil sludge treatment, in particular to oil sludge recovery treatment equipment.
Background
The clay model is an automobile body model sculptured by clay in the traditional automobile body design. Computer aided design has been used extensively in existing automotive design processes, but the sludge model is still widely used because of its efficiency and realism of performance. Because the modeling is actually a sculpturing process, the advantages of the oil sludge, such as convenient manual processing and convenient modification, can be fully exerted. In the development of automobiles, it is extremely important to determine the profile of an automobile that meets functional, aesthetic and market requirements. The model making and measuring are the key links, the modeler applies it on the wooden frame, and uses the tools such as scraper and scraper to shape the body, and sculpts the shape of the car according to a certain proportion. The conventional method is generally to make 1: 4, aiming at verifying the three-dimensional effect of a modeling design effect diagram by using the idea of physical reduction modeling design, optimizing and scheme demonstration, and then making 1: 1 full scale model. The oil sludge model manufactured according to the actual size can be matched with a real tire so as to observe the overall modeling effect of the automobile.
At present, the automobile industry is mostly applied by computer aided design and is converted into a development mode taking digital development as guidance, so that the ratio of 1: the full-size oil sludge model verification of 1 is applied in a large amount in a design link, namely in the automobile design process, a large amount of 1: 1, carrying out modeling design and engineering verification on a full-size oil sludge model, so that a large amount of milling oil sludge fragments are generated. However, recycling of the sludge is not important enough, and recycling efficiency is low, and the sludge, which is a main plastic material of the model, is large in usage amount and expensive, so that design and development costs of the automobile are increased.
The prior patent discloses a device for recovering oil sludge through a sludge crushing mechanism and a rolling mechanism, wherein the device is used for stirring through a gear in an oil sludge recovery hopper and simultaneously extruding through a high-temperature roller and a spiral pipe column; however, the technical scheme of the patent does not consider the influence of the airflow in the sludge recovery bucket on the sludge treatment process and the treated finished products.
In some existing sludge treatment equipment, in order to avoid adverse effects of air flow, a vacuum pumping device such as a vacuum pump is arranged to form a vacuum environment for sludge processing, however, after the equipment runs for a certain period of time, the phenomenon that sludge blocks a vacuum interface often occurs, so that an absolute vacuum environment cannot be formed, and the recovery processing efficiency of sludge and the quality of a recovered finished product are affected.
Therefore, designing a new sludge recycling treatment facility to solve the above technical problems is significant for controlling the development cost of automobiles and recycling natural resources.
Disclosure of Invention
The invention aims to provide oil sludge recovery and treatment equipment which can effectively form a vacuum environment for oil sludge processing and avoid the problem of oil sludge blockage in the vacuumizing process.
In order to achieve the purpose, the oil sludge recovery processing equipment provided by the invention comprises a shell provided with a first feeding hole and a first discharging hole, wherein a stirring cavity communicated with the first feeding hole and an extrusion cavity communicated with the first discharging hole are arranged in the shell, an oil sludge stirring device is arranged in the stirring cavity, and an oil sludge extrusion device is arranged in the extrusion cavity; a vacuum cavity is further arranged between the stirring cavity and the extrusion cavity, the vacuum cavity is provided with a second feeding hole and a second discharging hole, the second feeding hole is communicated with the stirring cavity, and the second discharging hole is communicated with the extrusion cavity; and a section module for separating the stirring cavity from the vacuum cavity is arranged at the second feed inlet, and an extrusion hole for allowing oil sludge to pass is formed in the section module.
Preferably, a vacuum pumping device is arranged on the shell, and a vacuum interface for connecting the vacuum pumping device is arranged at the upper part of the vacuum cavity.
Preferably, the stirring cavity is located above the extrusion cavity, and the second feed inlet of the vacuum cavity is located above the second discharge outlet.
Preferably, the number of the extrusion holes is several, and the extrusion holes are positioned at the middle lower part of the segmented module.
Preferably, the sludge stirring device is a stirring screw.
Preferably, the sludge stirring device is a stirring screw rod arranged along the horizontal direction, the front end of the stirring screw rod is connected with a driving device, and the tail end of the stirring screw rod is installed on the segment module.
Preferably, the oil sludge stirring device is two stirring screws arranged in parallel along the horizontal direction, and the segment module is provided with two positioning holes for installing the end parts of the stirring screws.
Preferably, the extrusion holes are distributed in a middle area between the two positioning holes and near the middle area.
Preferably, the sludge extrusion device is an extrusion screw.
Preferably, the extrusion screws are two arranged in parallel.
Preferably, the extrusion screws are arranged along the horizontal direction, the front ends of the extrusion screws are connected with a driving device, and the tail end of at least one extrusion screw is located at the discharge port.
Preferably, the discharge hole is a conical hole with a gradually converging caliber from large to small.
Preferably, the discharge hole is provided with a heating device.
Compared with the prior art, the oil sludge recovery and treatment equipment provided by the technical scheme has the beneficial technical effects that: the stirring cavity and the extrusion cavity are separately arranged, so that the durability of the equipment is improved, and the maintenance of the equipment is facilitated; the stirring device comprises a stirring cavity, a vacuum cavity and an extrusion cavity which are sequentially connected, wherein a vacuum environment for processing the oil sludge is formed through a vacuumizing device connected with the vacuum cavity, and the vacuum cavity has a vacuumizing function and also has a function of serving as an oil sludge buffer space; the independent vacuum cavities are arranged, so that oil sludge is convenient to clean; the method can be used for stirring, extruding and forming the crushed materials, the strips and the like, and recovering and treating the oil sludge with higher density, thereby improving the recovery quality of the oil sludge.
Drawings
Fig. 1 is a schematic view of the construction of a sludge recovery processing plant of the present invention;
fig. 2 is a top plan view of the sludge recovery processing apparatus of the present invention;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a sectional view of section B-B in fig. 2.
The device comprises a shell 1, a first feeding hole 2, a first discharging hole 3, a stirring cavity 4, an extrusion cavity 5, an oil sludge stirring device 61, an oil sludge extrusion device 62, a vacuum cavity 7, a second feeding hole 71, a second discharging hole 72, a vacuumizing device 8, a segmentation module 9, an extrusion hole 91, a positioning hole 92, a driving device 10, a feeding hopper 11 and a conveying device 12.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-4, the oil sludge recycling treatment equipment provided by the present invention includes a casing 1 having a first feed port 2 and a first discharge port 3, a stirring chamber 4 communicated with the first feed port 2 and an extrusion chamber 5 communicated with the first discharge port 3 are provided in the casing 1, an oil sludge stirring device 61 is provided in the stirring chamber 4, and an oil sludge extrusion device 62 is provided in the extrusion chamber 5; the stirring chamber 4 with still be equipped with vacuum cavity 7 between the extrusion chamber 5, vacuum cavity 7 is equipped with second feed inlet 71 and second discharge gate 72, second feed inlet 71 with stirring chamber 4 intercommunication, second discharge gate 72 with extrusion chamber 5 intercommunication.
According to the oil sludge recovery treatment equipment based on the technical characteristics, the stirring cavity 4 and the extrusion cavity 5 are separately arranged, so that the durability of the equipment is improved, and the maintenance of the equipment is facilitated; the stirring device is characterized in that the stirring cavity 4, the vacuum cavity 7 and the extrusion cavity 5 which are connected in sequence are arranged, a vacuum environment for processing oil sludge is formed through a vacuumizing device connected with the vacuum cavity 7, the vacuum cavity 7 has a vacuumizing function and also has a function of serving as an oil sludge buffer space, and the vacuum cavity is vacuumized without directly vacuumizing the extrusion cavity, so that the problem of oil sludge blockage in the vacuumizing process is avoided; the independent vacuum cavity 7 is arranged, so that oil sludge is convenient to clean; the method can be used for stirring, extruding and forming the crushed materials, the strips and the like, and recovering and treating the oil sludge with higher density, thereby improving the recovery quality of the oil sludge.
The shell 1 is of a square tube welding and steel plate bending structure. The stirring cavity 4 is formed by connecting and splicing the upper part of the stirring cavity and the lower part of the stirring cavity through bolts. The extrusion cavity 5 is formed by connecting and splicing the upper part of the extrusion cavity and the lower part of the extrusion cavity through bolts.
The vacuum-pumping device 8 for pumping vacuum to the vacuum chamber 7 may be provided inside the vacuum chamber 7 or may be provided outside the vacuum chamber 7. Preferably, the vacuum pumping device 8 is arranged on the housing 1 and located outside the vacuum chamber 7, a vacuum interface for connecting the vacuum pumping device 8 is arranged at the upper part of the vacuum chamber 7, and the vacuum chamber 7 is connected with the vacuum pumping device 8 through the vacuum interface. In this embodiment, the evacuation device is preferably a vacuum pump. The upper portion of the vacuum chamber 7 is provided with a vacuum interface for connecting the vacuum extractor 8, and preferably, in order to avoid the sludge blocking the vacuum interface, the vacuum interface is disposed away from the second feed opening 71, and in this embodiment, the vacuum interface is disposed on two sides of the upper portion of the vacuum chamber 7.
In order to facilitate the blanking and further avoid the blockage of the sludge during the vacuum pumping, in this embodiment, the stirring chamber 4 is located above the extrusion chamber 5, and the second feeding hole 71 of the vacuum chamber 7 is located above the second discharging hole 72, that is, the second feeding hole 71 is located at a higher height than the second discharging hole 72. Preferably, the second feed port 71 is located at an upper portion of the vacuum chamber 7, and the second discharge port 72 is located at a lower portion of the vacuum chamber 7. Referring to fig. 2, in the present embodiment, the stirring chamber 4 is located at one side of the vacuum chamber 7, the stirring chamber 4 and the vacuum chamber 7 are communicated with each other through the second feeding hole 71, and the second feeding hole 71 is disposed at an upper side portion of the vacuum chamber 7. The extrusion cavity 5 is located below the vacuum cavity 7, the extrusion cavity 5 and the vacuum cavity 7 are communicated through the second discharge hole 72, and the second discharge hole 72 is arranged at the bottom of the vacuum cavity 7. The oil sludge entering the stirring cavity 4 is stirred, enters the vacuum cavity 7 through the second feeding hole 71, then enters the extrusion cavity 5 through the second discharging hole 72, a vacuum environment for oil sludge treatment is formed by the vacuum pumping device connected with the vacuum cavity, and a vacuum interface can be effectively prevented from being blocked by the oil sludge in the vacuumizing process through the buffer function of the vacuum cavity, so that the normal operation of the oil sludge stirring device, the oil sludge extrusion device and the vacuum pumping device can be ensured.
In order to ensure the vacuum environment in the vacuum chamber 7 and the extrusion chamber 5 as much as possible and avoid the stirring chamber 4 from bringing the outside into the vacuum chamber 7 too much when stirring the sludge, a segment module 9 for separating the stirring chamber 4 and the vacuum chamber 7 is arranged at the second feed port 71 according to the embodiment of the present invention, and an extrusion hole 91 for allowing the sludge to pass through is arranged on the segment module 9. The segmenting module 9 is clamped and fixed between the upper part of the stirring cavity and the lower part of the stirring cavity. The stirring cavity 4 and the vacuum cavity 7 can be separated through the segmentation module 9, and when the vacuumizing device 8 of the vacuum cavity 7 works, a vacuum environment is formed in the vacuum cavity 7 and the extrusion cavity 5 only, so that the smooth proceeding of an oil sludge extrusion process in the extrusion cavity 5 is ensured; on the other hand, the extrusion holes 91 on the segment module 9 are used for controlling the flow rate and the flow direction of the oil sludge, so that the oil sludge is prevented from blocking a vacuum interface. Referring to fig. 4, the number of the extrusion holes 91 is several, the extrusion holes 91 are in an arc-shaped strip structure, and the extrusion holes 91 are located at the middle lower part of the segment module 9. Preferably, the extrusion hole 91 is arranged away from the vacuum port on the vacuum chamber 7, and the extrusion hole 91 is away from the vacuum port, so that the blockage of the vacuum port by oil sludge can be avoided.
The sludge stirring device 61 is a stirring screw. The oil sludge stirring device 61 is a stirring screw rod arranged along the horizontal direction, the front end of the stirring screw rod is connected with the driving device 10, and the tail end of the stirring screw rod is installed on the segment module 9, so that the structure is compact. In this embodiment, stirring screw rod is two of parallel arrangement, through the structure of two stirring screw rods, can improve stirring efficiency, and stirring effect can be guaranteed in the cooperation of two stirring screw rods. The stirring screw rod adopts a half-blade screw rod structure. The segment module 9 is provided with a positioning hole 92 for mounting the end of the stirring screw. Correspondingly, the number of the positioning holes 92 is two, so that the two stirring screws are fixed in the stirring cavity 4 in parallel. The extrusion holes 91 are distributed in the middle area between the two positioning holes 92 and near the middle area, so that when the two stirring screws rotate in opposite directions, oil sludge can be smoothly extruded from the gap between the two stirring screws. Preferably, the extrusion holes 91 are distributed in an axisymmetric manner.
The driving device 10 of the stirring screw comprises a stirring motor and a variable frequency speed regulator connected with the stirring motor, and the variable frequency speed regulator is connected with the stirring screw. When the driving device 10 of the stirring screws operates, the two stirring screws rotate in opposite directions, and the oil sludge sequentially passes through the gap between the pair of half-blade screw structures and reaches the extrusion hole 91 at the middle lower part of the segment module 9. And extruding the oil sludge into the extrusion hole 91 and filling the oil sludge by the continuous extrusion of the stirring screw, and extruding the oil sludge from the segment module 9 and dropping the oil sludge into the extrusion cavity 5 through the vacuum cavity 7 by the continuous extrusion of the stirring screw.
The sludge extrusion device 62 is an extrusion screw arranged in the horizontal direction. Preferably, the extrusion screw rod is two of parallel arrangement, through the structure of two extrusion screw rods, can improve extrusion efficiency, and the cooperation of two extrusion screw rods can guarantee the extrusion effect. The extrusion screw rod sets up along the horizontal direction, drive arrangement 10 is connected to the front end of extrusion screw rod, the end of at least one extrusion screw rod is located first discharge gate 3 department, simple structure and compactness. The driving device 10 of the extrusion screw comprises an extrusion motor and a variable frequency speed regulator connected with the extrusion motor, and the variable frequency speed regulator is connected with the extrusion screw. The extrusion screw is of a full-blade spiral structure. In this embodiment, the extrusion screw includes parallel arrangement's main extrusion screw and vice extrusion screw, main extrusion screw and vice extrusion screw's front end is connected respectively drive arrangement 10, main extrusion screw's end is located first discharge gate 3 department, vice extrusion screw's end is located on the locating piece or the positioning seat in the extrusion chamber 5.
The top in stirring chamber 4 is equipped with feeder hopper 11, feeder hopper 11 with stirring chamber 4 communicates with each other, set up on the feeder hopper 11 feed inlet 3, through fatlute is put in to feed inlet 3, makes fatlute get into stirring chamber 4.
In order to further facilitate the extrusion of the oil sludge, the first discharge hole 3 in the embodiment of the present invention is a tapered hole with a gradually converging caliber from large to small, and the end of the extrusion screw is located at the large-caliber end of the tapered hole.
The first discharge port 3 is provided with a heating device for heating the first discharge port 3, and the temperature of the first discharge port 3 is increased, so that the temperature of the oil sludge close to the first discharge port 3 is increased and softened, and smooth extrusion of the oil sludge is facilitated.
The oil sludge recovery processing equipment further comprises a conveying device 12 for outputting the processed oil sludge, and the conveying device is arranged outside the shell 1 and close to the first discharge hole 3. The conveying device may be a roller.
The oil sludge recovery treatment equipment is provided with a stirring cavity 4 and an extrusion cavity 5, wherein the stirring cavity 4 is close to the first feeding hole 2, the extrusion cavity 5 is close to the first discharging hole 3, and the stirring cavity 4 and the extrusion cavity 5 are respectively provided with a double-screw pipe column structure. The front end of the stirring screw rod in the stirring cavity 4 is connected with the driving device 10, the tail end of the stirring screw rod is close to the second feeding hole 71 of the vacuum cavity 7, the front end of the extrusion screw rod in the extrusion cavity 5 is connected with the driving device 10, and the tail end of the extrusion screw rod is close to the first discharging hole 3. The invention has compact structure, can improve the recycling efficiency of the oil sludge, reduce the use cost, accelerate the recycling speed and is convenient and simple to maintain.
The working process of the oil sludge recovery treatment equipment is as follows:
firstly, preheating is needed before operation, and a heating device at a first discharge port 3 is started to heat the machine body to a set temperature of 35 ℃;
secondly, starting a driving device of the stirring screw and a driving device of the extrusion screw, after 1-2 minutes of idle running and confirming no abnormity, putting the crushed aggregates and the strip-shaped oil sludge into the stirring cavity 4 for stirring;
thirdly, starting a vacuumizing device connected with the vacuum cavity 7, starting the vacuumizing device to operate, and reading the numerical value of a vacuum pressure gauge to be 0.8 pa;
and fourthly, the oil sludge enters the extrusion cavity 5 through the vacuum cavity, is conveyed to the first discharge hole 3 through the extrusion screw, is extruded and formed and is output to the conveying device, and finally is cut off according to the required length by using a material cutter.
The staff need carry the garrulous fatlute vanning of getting rid of impurity in advance to the workstation on, by the cooperation of two people, alone the feeding, alone connects the material. When feeding, a finger does not need to extend into the feeding hole area, and a receiver needs to cut materials after the oil sludge is discharged to the tail end of the conveying device.
The oil sludge recovery treatment equipment adopts an upper-lower two-layer structure, and solves the problems that a vacuum interface of a vacuum cavity is easy to block and needs to be cleaned frequently by dividing the stirring cavity 4 and the extrusion cavity 5; the stirring cavity 4 and the extrusion cavity 5 are independent in function, so that the long-time use reliability of the equipment is improved, and meanwhile, the problem of later maintenance is solved; the material can be simultaneously stirred and extruded to form the crushed aggregates and strips, and the density of the oil sludge is far beyond the existing products in the field. According to statistics, by using the oil sludge recovery treatment equipment, the oil sludge cost can be saved by tens of thousands yuan every year, and the oil sludge recovery treatment equipment has ideal economic benefit and environmental benefit.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (13)
1. The oil sludge recycling treatment equipment is characterized by comprising a shell provided with a first feeding hole and a first discharging hole, wherein a stirring cavity communicated with the first feeding hole and an extrusion cavity communicated with the first discharging hole are arranged in the shell, an oil sludge stirring device is arranged in the stirring cavity, and an oil sludge extrusion device is arranged in the extrusion cavity; a vacuum cavity is further arranged between the stirring cavity and the extrusion cavity, the vacuum cavity is provided with a second feeding hole and a second discharging hole, the second feeding hole is communicated with the stirring cavity, and the second discharging hole is communicated with the extrusion cavity;
and a section module for separating the stirring cavity from the vacuum cavity is arranged at the second feed inlet, and an extrusion hole for allowing oil sludge to pass is formed in the section module.
2. The sludge recycling apparatus of claim 1, wherein the casing is provided with a vacuum pumping device, and the upper part of the vacuum chamber is provided with a vacuum interface for connecting the vacuum pumping device.
3. The sludge recovery processing apparatus of claim 1 wherein the agitation chamber is located above the extrusion chamber and the second inlet port of the vacuum chamber is located above the second outlet port.
4. The sludge recovery processing apparatus of claim 1 wherein the number of the extrusion holes is several, and the extrusion holes are located at a lower middle portion of the segment module.
5. The sludge recovery processing apparatus of claim 1 wherein the sludge stirring device is a stirring screw.
6. The sludge recovery processing apparatus of claim 1, wherein the sludge stirring device is a stirring screw arranged in a horizontal direction, a driving device is connected to a front end of the stirring screw, and a tail end of the stirring screw is mounted on the segment module.
7. The sludge recycling apparatus of claim 1, wherein the sludge stirring device is two stirring screws arranged in parallel in a horizontal direction, and the segment module is provided with two positioning holes for mounting ends of the stirring screws.
8. The sludge recovery processing apparatus of claim 7 wherein the extrusion orifices are distributed in and near a middle region between the two alignment orifices.
9. The sludge recovery processing apparatus of any one of claims 1 to 3 wherein the sludge extrusion device is an extrusion screw.
10. The sludge recovery processing apparatus of claim 9 wherein the extrusion screws are two in parallel.
11. The sludge recovery processing apparatus of claim 10 wherein the extrusion screws are horizontally oriented, the forward ends of the extrusion screws are connected to a drive means, and the end of at least one of the extrusion screws is located at the first discharge port.
12. The sludge recovery processing apparatus of any one of claims 1 to 3 wherein the first discharge port is a tapered port having a diameter that gradually converges from larger to smaller.
13. The sludge recovery processing apparatus of any one of claims 1 to 3 wherein the first discharge port is provided with a heat generating device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710762367.0A CN109437497B (en) | 2017-08-30 | 2017-08-30 | Oil sludge recovery treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710762367.0A CN109437497B (en) | 2017-08-30 | 2017-08-30 | Oil sludge recovery treatment equipment |
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| CN109437497A CN109437497A (en) | 2019-03-08 |
| CN109437497B true CN109437497B (en) | 2021-04-16 |
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| CN201710762367.0A Active CN109437497B (en) | 2017-08-30 | 2017-08-30 | Oil sludge recovery treatment equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234577A (en) * | 1990-11-30 | 1993-08-10 | Union Oil Company Of California | Separation of oils from solids |
| CN101579687A (en) * | 2009-06-15 | 2009-11-18 | 力帆实业(集团)股份有限公司 | Oil sludge recovery mechanism |
| CN102172969A (en) * | 2011-03-14 | 2011-09-07 | 洛阳润信机械制造有限公司 | Double-stage vacuum extruder |
| CN102825040A (en) * | 2012-08-12 | 2012-12-19 | 周利坤 | Oil sludge cleaning and processing system for oil tank |
| CN104496138A (en) * | 2014-12-25 | 2015-04-08 | 郭朝军 | Oily sludge separation treatment equipment |
| CN104632568A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030075515A1 (en) * | 2001-10-23 | 2003-04-24 | Roger Maki | Apparatus for the treatment of oil-containing sludge and methods of doing the same |
-
2017
- 2017-08-30 CN CN201710762367.0A patent/CN109437497B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234577A (en) * | 1990-11-30 | 1993-08-10 | Union Oil Company Of California | Separation of oils from solids |
| CN101579687A (en) * | 2009-06-15 | 2009-11-18 | 力帆实业(集团)股份有限公司 | Oil sludge recovery mechanism |
| CN102172969A (en) * | 2011-03-14 | 2011-09-07 | 洛阳润信机械制造有限公司 | Double-stage vacuum extruder |
| CN102825040A (en) * | 2012-08-12 | 2012-12-19 | 周利坤 | Oil sludge cleaning and processing system for oil tank |
| CN104632568A (en) * | 2013-11-08 | 2015-05-20 | 中国石油天然气股份有限公司 | Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump |
| CN104496138A (en) * | 2014-12-25 | 2015-04-08 | 郭朝军 | Oily sludge separation treatment equipment |
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| CN109437497A (en) | 2019-03-08 |
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