CN212316065U - High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system - Google Patents
High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system Download PDFInfo
- Publication number
- CN212316065U CN212316065U CN202021755289.5U CN202021755289U CN212316065U CN 212316065 U CN212316065 U CN 212316065U CN 202021755289 U CN202021755289 U CN 202021755289U CN 212316065 U CN212316065 U CN 212316065U
- Authority
- CN
- China
- Prior art keywords
- oil
- pretreatment
- vegetable oil
- settling tank
- waste animal
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Fats And Perfumes (AREA)
Abstract
The utility model discloses a high chlorine content intermittent type scale abandonment animal and vegetable fat pretreatment systems solves prior art and often exists to abandonment animal and vegetable fat behind the preliminary treatment that it can't reach the technical problem of two take place ofs abandonment animal and vegetable fat raw oil standards that contain CL-salt standard exceeding standard. The pretreatment equipment comprises a pretreatment settling tank, a flash drying tower, a three-phase centrifuge, an electric heater, a waste animal and vegetable oil conveying pipe, a water conveying pipe and a secondary washing tank. The pretreatment method mainly comprises the steps of injecting waste animal and vegetable oil into a pretreatment settling tank, heating, injecting clear water, washing and settling, taking supernatant oil liquid, filtering, flashing and dehydrating to obtain secondary waste animal and vegetable oil raw oil meeting the standard, separating and treating slag and oil in the process, and conventionally washing and storing obtained residual oil as a byproduct.
Description
Technical Field
The utility model belongs to the technical field of abandonment animal and vegetable fat recovery processing equipment, concretely relates to high chlorine content intermittent type scale abandonment animal and vegetable fat pretreatment systems.
Background
The catering waste animal and vegetable oil is the main raw material source for producing the biodiesel, the catering waste animal and vegetable oil needs to be pretreated at the beginning of producing the biodiesel, namely, the catering waste animal and vegetable oil is precipitated and filtered to remove water, impurities and colloid and then can become raw oil of the biodiesel, the filtered raw oil also contains salts, pigments and colloid, the salts mainly comprise CL-containing salts-、S2-And the like, and the colloid is mainly in the form of starch.
The biodiesel is developed from the early first-generation biodiesel to the current second-generation biodiesel, and the early first-generation biodiesel has less fatty acid methyl ester blending, higher condensation point and low utilization rate. The second-generation biodiesel is alkane biodiesel which is generated by the reaction of grease (raw oil) and hydrogen under the working conditions of 300-400 ℃ and 5-7 atmospheric pressures, and the second-generation biodiesel has low condensation point, can be mixed with diesel in any proportion and can also be independently used as the diesel. When the second-generation biodiesel is produced, the requirements on raw oil formed by pretreating waste animal and vegetable oil are high, the water impurity is required to be less than 1%, the unsaponifiable matter is required to be less than 0.3%, and the CL content is required to be contained-Less than 30ppm of salts and S2-The salt content is less than 50 ppm. The existing pretreatment mode of waste animal and vegetable oil can not reach the standard of raw oil required by large-scale production of second-generation biodiesel.
Therefore, the utility model designs a high chlorine content intermittent type scale abandonment animal and vegetable fat pretreatment systems designs special preliminary treatment settling cask, adopts under the high temperature (70-80 ℃) operating mode to add 5% quality clear water and subsides naturally, can not only make the raw oil of preliminary treatment play accord with second generation biodiesel production requirement, can also improve treatment effeciency and yield simultaneously.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provides a high-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system, and solves the problem that CL-containing waste animal and vegetable oil often exists after pretreatment in the prior art-The salt exceeding standard can not reach the standard of the raw oil of the second generation waste animal and vegetable oil.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system comprises a pretreatment settling tank for washing and settling waste animal and vegetable oil, a flash evaporation drying tower connected out of the pretreatment settling tank for dehydrating supernatant oil liquid of washing and settling, and a three-phase centrifuge connected out of the pretreatment settling tank for separating washing, settling and settling residue oil;
an electric heater for heating waste animal and vegetable oil is arranged in the pretreatment settling tank, a waste animal and vegetable oil conveying pipe for injecting the waste animal and vegetable oil into the pretreatment settling tank and a water conveying pipe for conveying clear water into the pretreatment settling tank are arranged on the pretreatment settling tank, a water outlet of the water conveying pipe is positioned at the top of the pretreatment settling tank, an overhauling crawling ladder is arranged in the pretreatment settling tank, and the height-diameter ratio of the pretreatment settling tank is 12: 6;
one outlet of the three-phase centrifuge is connected with a secondary washing tank for carrying out secondary washing on oil materials separated from the sinking slag oil materials, and the other two outlets are respectively connected with a slag material harmless treatment system for carrying out harmless treatment on slag materials separated from the sinking slag oil materials and a sewage treatment system for carrying out harmless treatment on sewage separated from the sinking slag oil materials.
Furthermore, a flowmeter and a water pump are arranged on the water delivery pipe.
Further, a pipeline heater is arranged on the water delivery pipe.
Furthermore, a first oil pump is arranged on the waste animal and vegetable oil conveying pipe.
Further, an oil pipeline is connected between the flash drying tower and the pretreatment settling tank.
Furthermore, the oil conveying pipe is provided with a second oil pump.
Furthermore, a bag filter is arranged at an oil outlet of the oil delivery pipe.
Furthermore, a slag oil outlet pipe is arranged between the pretreatment settling tank and the three-phase centrifugal machine, and a third oil pump is arranged on the slag oil outlet pipe.
Further, the electric heater is a coil pipe type electric heater and is positioned at the inner bottom of the pretreatment settling tank.
Furthermore, an emptying pipe in an inverted U shape is arranged on the pretreatment settling tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of simple structure and scientific and reasonable design, convenient to use designs special preliminary treatment settling cask, adopts under the high temperature (70-80 ℃) operating mode to add 5% quality clear water and subsides naturally, can not only make the raw oil of preliminary treatment out accord with second generation biodiesel production requirement, can also improve treatment effeciency and yield simultaneously.
The utility model discloses a preliminary treatment settling cask, the flash drying tower, three-phase centrifuge and secondary washing jar, the height-to-diameter ratio of preliminary treatment settling cask is 12: 6, be equipped with abandonment animal and vegetable fat conveyer pipe on the preliminary treatment settling cask, raceway and evacuation pipe, the preliminary treatment settling cask passes through the pipeline and is connected with flash drying tower and three-phase centrifuge, the secondary washing jar passes through the pipeline and is connected with three-phase centrifuge, after appropriate amount abandonment animal and vegetable fat pours into the preliminary treatment settling cask into through abandonment animal and vegetable fat conveyer pipe, heat up to 70-80 through the coil pipe type electric heater heating messenger abandonment animal and vegetable fat, later pour into 5% clear water of abandonment animal and vegetable fat volume into the preliminary treatment settling cask through the raceway, the clear water heats up to 40-50 ℃ through the pipe heater in the raceway, the clear water is poured into from abandonment animal and vegetable fat top surface into, the clear water subsides under in the preliminary treatment, Salt is divided and the like, meanwhile, the waste animal and vegetable oil also settles and precipitates water, impurities and colloid in the pretreatment settling tank, the process lasts for 24-36h, after settling and precipitation are finished, the waste animal and vegetable oil is divided into an upper layer and a lower layer in the pretreatment settling tank, the upper layer is clear oil liquid which is water-containing raw oil, the lower layer is residue oil, through the process, the clear oil liquid on the upper layer can reach 90%, the oil inlet of the oil conveying pipe is positioned slightly above the layering position of the waste animal and vegetable oil in the pretreatment settling tank, at the moment, the second oil pump is started to convey the clear oil liquid on the upper layer to the flash drying tower, and the upper layer is separated by the second oil pumpFiltering the layer clear oil liquid by a bag filter, and then carrying out flash evaporation dehydration in a flash evaporation drying tower to obtain raw oil for producing secondary biodiesel, after discharging the upper layer clear oil liquid, starting a third oil pump to discharge residue oil in a pretreatment settling tank, separating the residue oil by a three-phase centrifuge, and conveying the water in the residue oil to a sewage treatment system in a biodiesel production system for harmless treatment and recycling so as to save water; the slag in the system is conveyed to a slag harmless treatment system in a biodiesel production system for harmless treatment so as to protect the environment; the oil liquid in the system enters a secondary washing tank for washing and recovery, the secondary washing tank is washed by adopting a common washing process, the oil liquid after being washed by the secondary washing tank is stored as an intermediate product and not used as a biodiesel raw material, and the pretreatment process is finished. The raw oil treated by the process has the water impurity content of less than 1 percent, the unsaponifiable matter content of less than 0.3 percent and CL-containing-Less than 30ppm of salts and S2-The salt content is lower than 50ppm, which meets the standard of the secondary waste animal and vegetable oil raw oil.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-pretreatment settling tank, 2-flash evaporation drying tower, 3-three-phase centrifuge, 4-secondary water washing tank, 5-electric heater, 6-waste animal and vegetable oil delivery pipe, 7-water delivery pipe, 8-pipeline heater, 9-flowmeter, 10-water pump, 11-first oil pump, 12-oil delivery pipe, 13-second oil pump, 14-bag filter, 15-evacuation pipe, 16-slag oil outlet pipe, 17-third oil pump, 18-maintenance ladder stand, 19-slag harmless treatment system and 20-sewage treatment system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in figure 1, the utility model provides a pair of high chlorine content intermittent type scale abandonment animal and vegetable oil pretreatment system, simple structure, design scientific and reasonable, convenient to use design special preliminary treatment settling cask, adopt under the high temperature (70-80 ℃) operating mode to add 5% quality clear water and subside naturally, can not only make the raw oil of preliminary treatment out accord with second generation biodiesel production requirement, can also improve treatment effeciency and yield simultaneously. The utility model discloses a preliminary treatment settling cask 1 that is used for carrying out washing subsides to abandonment animal and vegetable fat connects out from preliminary treatment settling cask 1 and is used for subsiding the flash drying tower 2 that the clear oil liquid carries out dehydration treatment to washing to and connect out from preliminary treatment settling cask 1 and be used for subsiding the three-phase centrifuge 3 that the sediment oil carries out the separation to washing.
The utility model discloses be equipped with the electric heater 5 that is used for heating abandonment animal and vegetable fat in it in the preliminary treatment settling cask 1, be equipped with on the preliminary treatment settling cask 1 and be used for injecting abandonment animal and vegetable fat conveyer pipe 6 of abandonment animal and vegetable fat toward its in and be used for carrying the raceway 7 of clear water, the delivery port of raceway 7 is located top in the preliminary treatment settling cask 1, is equipped with in the preliminary treatment settling cask 1 and overhauls cat ladder 18, the height-diameter ratio of preliminary treatment settling cask 1 is 12: 6.
The utility model discloses 3 exports of three-phase centrifuge have connect and are used for carrying out the secondary washing's of secondary washing to the oil that separates from the sediment oil that sinks quadratic wash jar 4, and two surplus exports connect respectively to be used for carrying out innocent treatment's sediment material innocent treatment system 19 and be used for carrying out innocent treatment's sewage treatment system 20 to the sewage that separates from the sediment oil that sinks.
The utility model discloses be equipped with pipe heater 8, flowmeter 9 and water pump 10 on raceway 7. The waste animal and vegetable oil conveying pipe 6 is provided with a first oil pump 11. An oil delivery pipe 12 is connected between the flash drying tower 2 and the pretreatment settling tank 1, and a second oil pump 13 is arranged on the oil delivery pipe 12. The oil outlet of the oil delivery pipe 12 is provided with a bag filter 14. A slag oil outlet pipe 16 is arranged between the pretreatment settling tank 1 and the three-phase centrifuge 3, and a third oil pump 17 is arranged on the slag oil outlet pipe 16. The electric heater 5 is a coil pipe type electric heater, and the electric heater 5 is positioned at the inner bottom of the pretreatment settling tank 1. The pretreatment settling tank 1 is provided with an inverted U-shaped emptying pipe 15.
The utility model discloses a preliminary treatment settling cask, the flash drying tower, three-phase centrifuge and secondary washing jar, the height-to-diameter ratio of preliminary treatment settling cask is 12: 6, be equipped with abandonment animal and vegetable fat conveyer pipe on the preliminary treatment settling cask, raceway and evacuation pipe, the preliminary treatment settling cask passes through the pipeline and is connected with flash drying tower and three-phase centrifuge, the secondary washing jar passes through the pipeline and is connected with three-phase centrifuge, after appropriate amount abandonment animal and vegetable fat pours into the preliminary treatment settling cask into through abandonment animal and vegetable fat conveyer pipe, heat up to 70-80 through the coil pipe type electric heater heating messenger abandonment animal and vegetable fat, later pour into 5% clear water of abandonment animal and vegetable fat volume into the preliminary treatment settling cask through the raceway, the clear water heats up to 40-50 ℃ through the pipe heater in the raceway, the clear water is poured into from abandonment animal and vegetable fat top surface into, the clear water subsides under in the preliminary treatment, Salt is divided, meanwhile, the waste animal and vegetable oil is subjected to sedimentation in a pretreatment sedimentation tank to precipitate water, impurities and colloid, the process lasts for 24-36 hours, after the sedimentation is finished, the waste animal and vegetable oil is divided into an upper layer and a lower layer in the pretreatment sedimentation tank, the upper layer is clear oil liquid which is water-containing raw oil, the lower layer is residue oil, through the process, the clear oil liquid at the upper layer can reach 90% of the amount of the waste animal and vegetable oil to be treated, an oil inlet of an oil conveying pipe is positioned slightly above the layering position of the waste animal and vegetable oil in the pretreatment sedimentation tank, at the moment, a second oil pump is started to convey the clear oil liquid at the upper layer to a flash drying tower, the clear oil liquid at the upper layer is filtered by a bag filter and then is subjected to flash dehydration in the flash drying tower to obtain the raw oil for producing the second-generation biodiesel, after the clear oil liquid at the upper layer is discharged, a third oil pump is started to discharge the residue, separating the slag oil material by a three-phase centrifuge, and conveying the water content of the slag oil material to a sewage treatment system in a biodiesel production system for harmless treatment and recycling so as to save water; the slag in the system is conveyed to a slag harmless treatment system in a biodiesel production system for harmless treatment so as to protect the environment; the oil liquid in the system enters a secondary washing tank for washing and recovery, the secondary washing tank is washed by adopting a common washing process, the oil liquid after being washed by the secondary washing tank is stored as an intermediate product and not used as a biodiesel raw material, and the pretreatment process is finished.
The utility model also provides a pretreatment methods of high chlorine content intermittent type scale abandonment animal and vegetable fat pretreatment systems, including following step:
step 4, naturally settling the pretreatment settling tank for 24-36 h;
and 6, starting a third oil pump to enable the slag oil to enter a three-phase centrifuge for separation, enabling the separated oil to enter a secondary water washing tank for washing and recycling, enabling the separated sewage to enter a sewage treatment system, and enabling the separated slag to enter a slag harmless treatment system.
In the step 3, the amount of the injected clear water is 5% of the volume of the waste animal and vegetable oil in the pretreatment settling tank; preferably, in the step 3, when the water pump is started to inject the clean water, the pipeline heater is started to heat the injected clean water to 40-50 ℃; preferably, in the step 4, the temperature of the oil in the pretreatment settling tank is maintained at 70-80 ℃ during natural settling of the pretreatment settling tank.
The raw oil treated by the process of the utility model has the water impurity lower than 1 percent, the unsaponifiable matter lower than 0.3 percent and CL content-Less than 30ppm of salts and S2-The salt content is lower than 50ppm, which meets the standard of the secondary waste animal and vegetable oil raw oil. The traditional washing and settling method not only contains CL-and S2-The salt content exceeds the standard, the required clear water amount reaches 15 percent of the amount of the waste animal and vegetable oil, the generated waste water amount is large, and the sewage treatment capacity is large. And the yield of the clear oil liquid can only reach 80 percent of the amount of the waste animal and vegetable oil.
The utility model discloses an above-mentioned equipment and flow carry out the preliminary treatment to abandonment animal and vegetable oil, can obtain the standard that accords with the used raw oil of secondary biodiesel production, and abandonment animal and vegetable oil preliminary treatment of tradition relatively, required clear water and produced waste water volume are low, water economy resource and waste water treatment cost, and the yield of abandonment animal and vegetable oil processing also can obviously improve, and its practicality is strong, is suitable for and widelys popularize and apply in this technical field.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the same, and certainly not to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems solved by the present invention are still consistent with the present invention, and all the modifications or colors made in the spirit and the idea of the main design of the present invention are included in the protection scope of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (10)
1. A high-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system is characterized by comprising a pretreatment settling tank (1) for washing and settling waste animal and vegetable oil, a flash evaporation drying tower (2) connected out of the pretreatment settling tank (1) and used for dehydrating supernatant oil liquid of washing and settling, and a three-phase centrifuge (3) connected out of the pretreatment settling tank (1) and used for separating washing, settling and dreg oil;
an electric heater (5) used for heating waste animal and vegetable oil is arranged in the pretreatment settling tank (1), a waste animal and vegetable oil conveying pipe (6) used for injecting the waste animal and vegetable oil into the pretreatment settling tank (1) and a water conveying pipe (7) used for conveying clear water into the pretreatment settling tank are arranged on the pretreatment settling tank (1), a water outlet of the water conveying pipe (7) is positioned at the top in the pretreatment settling tank (1), an overhauling ladder stand (18) is arranged in the pretreatment settling tank (1), and the height-diameter ratio of the pretreatment settling tank (1) is 12: 6;
one outlet of the three-phase centrifuge (3) is connected with a secondary water washing tank (4) for carrying out secondary water washing on oil materials separated from sinking slag oil materials, and the rest two outlets are respectively connected to a slag material harmless treatment system for carrying out harmless treatment on slag materials separated from the sinking slag oil materials and a sewage treatment system for carrying out harmless treatment on sewage separated from the sinking slag oil materials.
2. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 1, characterized in that a flow meter (9) and a water pump (10) are arranged on the water delivery pipe (7).
3. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 1, characterized in that a pipeline heater (8) is arranged on the water delivery pipe (7).
4. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 1, characterized in that a first oil pump (11) is arranged on the waste animal and vegetable oil conveying pipe (6).
5. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 1, characterized in that an oil pipeline (12) is connected between the flash drying tower (2) and the pretreatment settling tank (1).
6. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 5, characterized in that the oil delivery pipe (12) is provided with a second oil pump (13).
7. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 5, characterized in that a bag filter (14) is arranged at the oil outlet of the oil delivery pipe (12).
8. The pretreatment system of the high-chlorine-content intermittent large-scale waste animal and vegetable oil and fat as claimed in claim 1, wherein a slag oil outlet pipe (16) is arranged between the pretreatment settling tank (1) and the three-phase centrifuge (3), and a third oil pump (17) is arranged on the slag oil outlet pipe (16).
9. The pretreatment system for high chlorine content intermittent large-scale waste animal and vegetable oil and fat according to claim 1, wherein the electric heater (5) is a coil type electric heater, and the electric heater (5) is located at the inner bottom of the pretreatment settling tank (1).
10. The intermittent large-scale waste animal and vegetable oil pretreatment system with high chlorine content according to claim 1, characterized in that an inverted U-shaped emptying pipe (15) is arranged on the pretreatment settling tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755289.5U CN212316065U (en) | 2020-08-19 | 2020-08-19 | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755289.5U CN212316065U (en) | 2020-08-19 | 2020-08-19 | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316065U true CN212316065U (en) | 2021-01-08 |
Family
ID=74036027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021755289.5U Active CN212316065U (en) | 2020-08-19 | 2020-08-19 | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316065U (en) |
-
2020
- 2020-08-19 CN CN202021755289.5U patent/CN212316065U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102390860B (en) | Environmentally-friendly treatment method and device for organosilicon slurry | |
| CN103121780A (en) | Oil sludge treatment method | |
| CN104531327B (en) | The environmental friendly regenerated device of waste oil | |
| CN204958860U (en) | Kitchen garbage extracts grease device | |
| CN109097100A (en) | A kind of removal methods of catalytic cracked oil pulp Solid content | |
| CN111876265A (en) | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system and method | |
| CN212316065U (en) | High-chlorine-content intermittent large-scale waste animal and vegetable oil pretreatment system | |
| CN101906348A (en) | Method for reducing waste engine oil into base oil | |
| CN110143607B (en) | Technology for preparing calcium chloride by using waste slurry | |
| CN208917108U (en) | A kind of furfural high-efficient production line | |
| CN115305574B (en) | Method for rapidly preparing whisker by using phosphogypsum and saline | |
| CN213141954U (en) | Acidification waste oil pretreatment equipment in waste animal and vegetable oil | |
| CN206359492U (en) | Single variety waste lubricant oil regeneration system | |
| CN104232286B (en) | A kind of separation method of aluminium wire waste oil | |
| CN205999315U (en) | A kind of rosin waste residue recovery system | |
| CN216022129U (en) | Traditional chinese medicine separation and extraction system | |
| CN205556570U (en) | Crude oil emulsion water oil separating system | |
| CN212610501U (en) | Rapid deacidification and low-sulfur high-yield production system for producing fuel oil by using waste animal and vegetable oil | |
| CN211814283U (en) | Refinery sump oil and scum decompression dewatering device | |
| CN204417451U (en) | The full-automatic regeneration treatment system of energy-saving waste lubricating oil | |
| CN111876263A (en) | Large-scale continuous treatment system and method for organic chlorine high-content waste animal and vegetable oil | |
| CN206033679U (en) | Plastic waste cracking equipment | |
| CN201495097U (en) | Device for continuously recycling sulfur from sulfur foam | |
| CN204455050U (en) | Biodiesel oil production line waste oil pretreatment unit | |
| CN218115366U (en) | Ultrasonic purifier for waste oil or waste lubricating oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |