Low-temperature distillation treater for oily sludge

Abstract

The utility model discloses an oily sludge low-temperature distillation treater which comprises a distillation retort, a heat exchange cylinder is fixed at the top end of an inner cavity of the distillation retort, a sealing cover for sealing the heat exchange cylinder is arranged at the top of the heat exchange cylinder, an electric heating tube communicated into the heat exchange cylinder is fixedly mounted at the bottom end of the sealing cover, an oily sludge inlet is formed in one side of the distillation retort, and an oil sludge outlet is formed in the other side of the distillation retort. A water cooling jacket is fixedly mounted on one side of the distillation retort, a heat preservation jacket is fixedly mounted on the outer side of an oily sludge inlet in a wrapping manner, a steam pipe communicated with the interior of the distillation retort is arranged on one side of the top end of the distillation retort, one side of the steam pipe is communicated with the top end of an inner cavity of the heat preservation jacket, and a heat exchange pipe is fixedly mounted in the water cooling jacket; the bottom end of the inner cavity of the heat insulation sleeve is communicated with the top end of the heat exchange pipe through a pipeline, the bottom end of the heat exchange pipe is connected with a water outlet communicated to the lower part of the bottom end of the water cooling sleeve, and the bottom end of the inner cavity of the distillation retort is communicated with a sludge outlet. According to the device, distillation heat can be utilized, and distilled water can be conveniently recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a low-temperature distillation processor for oil-containing sludge. Background Art

[0002] Oily sludge refers to sludge mixed with crude oil, various refined oils, residual oil and other heavy oils. It is harmful to the human body, plants and aquatic organisms. The oil gas evaporated in the air can irritate the skin, eyes and respiratory organs, making the land lose its function of plant growth. It is difficult to handle and repair. It is one of the main pollutants in the petroleum and petrochemical industries and is very harmful. During the treatment process, oily sludge needs to undergo a reduction distillation process. The distilled water needs to be cooled before it can be collected and treated, and the distillation heat is seriously wasted. Utility Model Content

[0003] The purpose of the present application is to provide a low-temperature distillation processor for oily sludge to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a low-temperature distillation processor for oily sludge, comprising a distillation tank, a heat exchange cylinder is fixedly installed at the top end of the inner cavity of the distillation tank, a sealing cover for sealing the heat exchange cylinder is provided on the top of the heat exchange cylinder, an electric heating tube that is passed into the heat exchange cylinder is fixedly installed on the bottom end of the sealing cover, an oil sludge inlet that is connected to the interior of the distillation tank is provided on one side of the distillation tank, a water cooling jacket is fixedly installed on one side of the distillation tank, an insulation jacket is fixedly installed on the outer side of the oil sludge inlet, a steam pipe that is connected to the interior of the distillation tank is provided on one side of the top end of the distillation tank, one side of the steam pipe is connected to the top end of the inner cavity of the insulation jacket, a heat exchange pipe is fixedly installed inside the water cooling jacket, the bottom end of the inner cavity of the insulation jacket is connected to the top end of the heat exchange pipe through a pipeline, the bottom end of the heat exchange pipe is connected to a drain outlet that is passed below the bottom end of the water cooling jacket, and the bottom end of the inner cavity of the distillation tank is connected to a sludge discharge outlet.

[0005] Preferably, the heat exchange tube comprises an inner heat absorbing layer and a heat conducting layer fixedly coated on the outside of the heat absorbing layer.

[0006] Preferably, the sealing cover is detachably connected to the distillation tank via bolts.

[0007] Preferably, two stirring wheels are symmetrically rotatably connected inside the distillation tank, a second motor is fixedly mounted on the front side of the distillation tank, and an output end of the second motor drives the two stirring wheels via two independent belts.

[0008] Preferably, a first motor is fixedly mounted at the bottom end of the mud discharge port, and an output end of the first motor drives a spiral shaft connected to the mud discharge port. An outlet is provided at one side of the bottom end of the mud discharge port.

[0009] Preferably, a water inlet communicating with the interior of the water cooling jacket is provided on one side of the top end thereof, and a water outlet communicating with the interior of the water cooling jacket is provided on one side of the bottom end thereof.

[0010] In summary, the technical effects and advantages of the utility model are:

[0011] In the utility model, the electric heating tube can be maintained by removing the sealing cover, and the maintenance of the electric heating tube is convenient.

[0012] In the utility model, after the water in the oily sludge evaporates, the oily sludge in the oily sludge inlet can be preheated, thereby saving the electricity required for heating the oily sludge. In addition, the water vapor is initially cooled, and the water vapor can be quickly cooled for recycling after passing through the water cooling jacket. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic cross-sectional view of the oily sludge cryogenic distillation processor in an embodiment of the present application;

[0015] Figure 2 This is a schematic diagram of the external structure of the oily sludge low-temperature distillation processor in the embodiment of the present application.

[0016] In the figure: 1. distillation tank; 2. heat exchange cylinder; 3. sealing cover; 4. electric heating tube; 5. heat absorption layer; 6. heat conduction layer; 7. steam pipe; 8. oil sludge inlet; 9. insulation sleeve; 10. water cooling jacket; 11. water inlet; 12. water outlet; 13. heat exchange tube; 14. stirring wheel; 15. sludge discharge port; 16. first motor; 17. spiral shaft; 18. second motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.

[0020] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0021] Example: Reference Figure 1-2The oily sludge low-temperature distillation processor shown comprises a distillation tank 1, a heat exchange cylinder 2 is fixedly installed at the top of the inner cavity of the distillation tank 1 for heating the oily sludge, a sealing cover 3 is provided on the top of the heat exchange cylinder 2 for sealing it, an electric heating pipe 4 which is passed into the heat exchange cylinder 2 is fixedly installed on the bottom end of the sealing cover 3, and the electric heating pipe can be maintained by removing the sealing cover, and the maintenance of the electric heating pipe is convenient, an oily sludge inlet 8 connected to the interior of the distillation tank 1 is provided on one side of the distillation tank 1, a water cooling jacket 10 is fixedly installed on one side of the distillation tank 1, and an insulating jacket 9 is fixedly installed on the outer side of the oily sludge inlet 8, and a steam pipe 7 connected to the interior of the distillation tank 1 is provided on one side of the top of the distillation tank 1 One side of the steam pipe 7 is connected with the top of the inner cavity of the insulation jacket 9, and the sludge is preheated by the steam in the insulation jacket. A heat exchange tube 13 is fixedly installed inside the water cooling jacket 10. The bottom end of the inner cavity of the insulation jacket 9 is connected to the top of the heat exchange tube 13 through a pipeline. The bottom end of the heat exchange tube 13 is connected to a drain outlet below the bottom end of the water cooling jacket 10. The bottom end of the inner cavity of the distillation tank 1 is connected with a mud discharge port 15. After the water in the oil sludge evaporates, the oil sludge in the oil sludge inlet can be preheated, which saves the electricity required for heating the oil sludge. In addition, the water vapor is initially cooled, and the water vapor can be quickly cooled after passing through the water cooling jacket for recovery and treatment.

[0022] With the above structure: the heat exchange tube 2 includes an inner heat absorption layer 5 and a heat conductive layer 6 fixedly wrapped on the outside of the heat absorption layer 5. The heat of the electric heating tube is absorbed by the heat absorption layer and then transferred to the sludge through the heat conductive layer 6 to heat the sludge, and the heating efficiency is high.

[0023] With the above structure, the sealing cover 3 is detachably connected to the distillation tank 1 by bolts, so that the electric heating pipe can be easily disassembled and maintained.

[0024] With the above structure: the interior of the distillation tank 1 is symmetrically connected to two stirring wheels 14, and a second motor 18 is fixedly installed on the front side of the distillation tank 1. The output end of the second motor 18 drives the two stirring wheels 14 through two independent belts. The stirring wheels stir the oil sludge to accelerate the evaporation of internal water and achieve reduction treatment.

[0025] By means of the above structure: a first motor 16 is fixedly installed at the bottom end of the mud discharge port 15, and an output end of the first motor 16 drives a spiral shaft 17 connected to the mud discharge port 15, and an outlet is provided on one side of the bottom end of the mud discharge port 15. The first motor drives the spiral shaft 17 to spirally discharge the oil sludge after the reduction treatment.

[0026] By means of the above structure: a water inlet 11 connected to the interior is provided on one side of the top end of the water cooling jacket 10, and a water outlet 12 connected to the interior is provided on one side of the bottom end of the water cooling jacket 10. Cold water is supplied to the water cooling jacket through the water inlet 11, and the cold water is discharged from the water outlet after heat exchange with the heat exchange tube, so that the water vapor becomes liquid water.

[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low temperature distillation processor for oily sludge, comprising a distillation tank (1), characterized in that: A heat exchange cylinder (2) is fixedly installed at the top of the inner cavity of the distillation tank (1), a sealing cover (3) is provided on the top of the heat exchange cylinder (2) to seal it, and an electric heating pipe (4) is fixedly installed at the bottom of the sealing cover (3) to pass into the heat exchange cylinder (2). An oil sludge inlet (8) is provided on one side of the distillation tank (1) to communicate with the interior of the distillation tank (1), a water cooling jacket (10) is fixedly installed on one side of the distillation tank (1), and an insulation jacket (9) is fixedly installed on the outer side of the oil sludge inlet (8). A steam pipe (7) communicating with the interior of the distillation tank (1) is provided on one side of the top end thereof, one side of the steam pipe (7) communicating with the top end of the inner cavity of the thermal insulation jacket (9), a heat exchange pipe (13) is fixedly installed inside the water cooling jacket (10), the bottom end of the inner cavity of the thermal insulation jacket (9) communicating with the top end of the heat exchange pipe (13) through a pipeline, the bottom end of the heat exchange pipe (13) is connected to a drainage port leading to the bottom of the bottom end of the water cooling jacket (10), and the bottom end of the inner cavity of the distillation tank (1) is connected to a mud discharge port (15).

2. The low-temperature distillation processor for oily sludge according to claim 1, characterized in that: The heat exchange tube (2) comprises an inner heat absorption layer (5) and a heat conduction layer (6) fixedly wrapped around the outside of the heat absorption layer (5).

3. The low-temperature distillation processor for oily sludge according to claim 1, characterized in that: The sealing cover (3) is detachably connected to the distillation tank (1) via bolts.

4. The low-temperature distillation processor for oily sludge according to claim 1, characterized in that: The interior of the distillation tank (1) is symmetrically rotatably connected to two stirring wheels (14), and a second motor (18) is fixedly installed on the front side of the distillation tank (1), and the output end of the second motor (18) drives the two stirring wheels (14) through two independent belts.

5. The low-temperature distillation processor for oily sludge according to claim 1, characterized in that: A first motor (16) is fixedly mounted at the bottom end of the mud discharge port (15); an output end of the first motor (16) drives a spiral shaft (17) connected to the mud discharge port (15); and an outlet is provided at one side of the bottom end of the mud discharge port (15).

6. The low-temperature distillation processor for oily sludge according to claim 1, characterized in that: A water inlet (11) communicating with the interior of the water cooling jacket (10) is provided on one side of the top end thereof, and a water outlet (12) communicating with the interior of the water cooling jacket (10) is provided on one side of the bottom end thereof.

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