CN113620447A - Rosin resin production and processing wastewater treatment equipment and rosin resin production and processing wastewater treatment method - Google Patents
Rosin resin production and processing wastewater treatment equipment and rosin resin production and processing wastewater treatment method Download PDFInfo
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- CN113620447A CN113620447A CN202110865564.1A CN202110865564A CN113620447A CN 113620447 A CN113620447 A CN 113620447A CN 202110865564 A CN202110865564 A CN 202110865564A CN 113620447 A CN113620447 A CN 113620447A
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 title claims abstract description 42
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 title claims abstract description 42
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000011347 resin Substances 0.000 title claims abstract description 38
- 229920005989 resin Polymers 0.000 title claims abstract description 38
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 58
- 238000010521 absorption reaction Methods 0.000 claims abstract description 49
- 238000011084 recovery Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002244 precipitate Substances 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 29
- 238000004062 sedimentation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 6
- 230000000593 degrading effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention relates to the technical field of environment-friendly equipment and discloses rosin resin production and processing wastewater treatment equipment and a rosin resin production and processing wastewater treatment method. This rosin resin production and processing waste water treatment equipment and processing method, the setting from top to bottom in proper order of water conservancy diversion hole, the distance that the waste water flows has been prolonged, and simultaneously, in the flow process, the layering direction keeps unanimous with the direction of flow, upper waste oil is retrieved through precipitation chamber and waste oil recovery chamber, lower floor's precipitate is retrieved through layering chamber and precipitate collection chamber, the in-process that has realized flowing is carried out the layering and is deposited, secondly, utilize the difference of the capillary height that oil and waste water made at different materials, when the upper strata is waste oil, can be by the suction, and when it is waste water, then can not be absorbed, the automatic absorption of waste oil has been realized.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to rosin resin production and processing wastewater treatment equipment and a rosin resin production and processing wastewater treatment method.
Background
Rosin resin is a general name of rosin or modified rosin derivatives which are obtained by taking rosin or modified rosin as a raw material and carrying out esterification reaction between carboxyl and alcohol at a certain temperature, a large amount of waste water and waste oil are generated in the production and processing process of the rosin resin, the pollution of the waste water generated in the production process of the rosin resin is usually organic pollution, the COD concentration is high, therefore, the treatment of the waste water is usually divided into a pretreatment part and a post-treatment part, the pretreatment part usually adopts a physical method, and the key point is that the waste oil in the waste water is recycled; the post-treatment mainly adopts the combination of physical and biochemical methods to reduce COD in the wastewater.
The pretreatment usually comprises an oil absorption system consisting of a recovery tank and an oil separation tank, and the oil absorption system absorbs the layered oil layer into the recovery tank by utilizing the natural layering phenomenon of liquid with different specific gravities, so that the oil layer needs to be stood for a long time in the treatment process to wait for the natural layering, the efficiency is low, and the liquid is disturbed when wastewater flows in to influence the layering effect.
Further reduced the treatment effect, secondly, when the suction oil reservoir, need constantly pay attention to oil reservoir thickness, it has a linking process to appear between the oil reservoir to artifical suction at the waste water layering, at the time of the actual work, linking time length can not obtain accurate control, further influenced work efficiency once more, and inefficiency must lead to area's increase, and domestic rosin resin trade is mainly with small-scale processing again, area is too big must strike its enthusiasm of establishing sewage treatment system, restriction sewage treatment's development.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the technical scheme of the rosin resin production and processing wastewater treatment equipment and the rosin resin production and processing wastewater treatment method, which have the advantages of high recovery efficiency, high automation degree and the like and solve the problems in the background technology.
The invention provides the following technical scheme: a rosin resin production and processing wastewater treatment device and a rosin resin production and processing wastewater treatment method comprise a square shell, wherein a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the shell, the shell is obliquely arranged, a transverse layering cavity and a sedimentation cavity are respectively arranged at the bottom and the top of the shell, the sedimentation cavity is communicated with the shell through an upper flow partition plate, the layering cavity is communicated with the shell through a lower flow partition plate, the upper end of the sedimentation cavity is communicated with a waste oil recovery cavity, the lower end of the layering cavity is communicated with a sediment collection cavity, a partition plate is arranged in the shell to separate the interior of the shell into a plurality of cavities which are not communicated with each other, flow guide holes for communicating the two cavities are arranged on the partition plate and are alternately arranged on the upper portion and the lower portion, the height of each flow guide hole is between the lower flow partition plate and the upper flow partition plate, and independent cavities corresponding to the cavities in the shell are respectively arranged in the sedimentation cavity and the layering cavity, each cavity is communicated with a waste oil recovery cavity or a precipitate collection cavity.
Preferably, a guide plate is arranged in the flow direction of the guide holes, and the outlet of the guide plate is close to the middle of the partition plate.
Preferably, the waste oil recovery cavity is internally provided with an absorption tube, the bottom of the absorption tube is provided with a capillary tube, the capillary tube is made of a material capable of being soaked with oil but not soaked with water, and the lower end of the capillary tube is provided with air holes with uniform liquid level.
Preferably, two through holes, one high through hole and one low through hole, are arranged between each sediment collecting cavity and the layering cavity.
Preferably, the waste oil recovery cavity is filled with high-pressure gas, the absorption tube comprises a collecting tube and a capillary tube, the capillary tube is communicated with an external oil absorption device, the oil absorbed by the collecting tube is collected by the external absorption device through the capillary tube, the side wall of the collecting tube is connected with a floating body in a specified manner, the floating body is connected with a variable resistor, and the floating body drives the resistor to change when moving up and down.
Preferably, each absorption tube is communicated with the recovery tube through an electromagnetic valve, the recovery tube is triggered to be opened or closed by resistance change of the absorption tube, and the height of the absorption tube is changed by the change of the oil layer height, so that the resistance is changed.
A rosin resin production and processing wastewater treatment method comprises pretreatment and post-treatment, wherein the pretreatment is used for recovering waste oil, the post-treatment is used for biologically and physically degrading the waste oil, the pretreatment is used for recovering the waste oil by using any one of the rosin resin production and processing wastewater treatment equipment, and the method comprises the following steps:
(1) connecting a plurality of wastewater treatment devices in series, communicating a demulsifier adding pipe as required, introducing wastewater through a water inlet pipe, and keeping a water outlet pipe in a closed state;
(2) after the shell is filled with the waste water, opening a water outlet pipe, injecting gas into the waste oil recovery cavities, and recording the resistance value in each waste oil recovery cavity, namely the initial height of the absorption tube, wherein the water discharge pressure of the water outlet pipe is smaller than the water inlet pressure of the shell;
(3) when the absorption pipe of a certain waste oil recovery cavity is detected to reduce the set value k, opening the electromagnetic valve corresponding to the absorption pipe;
(4) and when the height of the absorption pipe in a certain waste oil recovery cavity is detected to be increased by a set value k, closing the electromagnetic valve corresponding to the absorption pipe, and reversely injecting gas to enable the height of the absorption pipe to return to the initial value.
The invention has the following beneficial effects:
1. this rosin resin production and processing waste water treatment equipment and processing method, on the one hand, the setting from top to bottom in proper order of water conservancy diversion hole, the distance that the waste water flowed has been prolonged, and simultaneously, in the flow process, the layering direction keeps unanimous with the flow direction, upper waste oil is retrieved through precipitation chamber and waste oil recovery chamber, lower floor's precipitate is retrieved through layering chamber and precipitate collection chamber, the in-process that has realized flowing is stratified and is deposited, improve layering efficiency, on the other hand, the waste water of newly-flowed in can not cause the interference to the layering, can subside in succession, further improve work efficiency.
2. According to the rosin resin production and processing wastewater treatment equipment and the rosin resin production and processing wastewater treatment method, the capillary tubes made of different materials are different in height by using oil and wastewater, the waste oil can be sucked out when the upper layer is waste oil, and the waste oil cannot be absorbed when the upper layer is wastewater, so that the waste oil can be automatically sucked, the automatic waste oil suction mode reduces manpower, the connection time of two flows is shortened, and the working efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a capillary tube according to the present invention;
FIG. 3 is a schematic view showing the structure of an absorber pipe according to the present invention;
FIG. 4 is a schematic view of the connection of multiple absorber tubes in the structure of the present invention.
In the figure: 1. a housing; 2. a water inlet pipe; 3. a water outlet pipe; 4. a lower cutoff plate; 5. an upper flow isolating plate; 6. a layered cavity; 7. a sedimentation chamber; 8. a sediment collection chamber; 9. a waste oil recovery chamber; 10. a partition plate; 11. a flow guide hole; 12. a baffle; 13. an absorber tube; 131. a float; 132. a header; 133. a capillary tube; 14. a recovery pipe; 15. an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a rosin resin production and processing wastewater treatment device comprises a square casing 1, the casing 1 is sealed, a water inlet pipe 2 and a water outlet pipe 3 are respectively arranged at two ends of the casing 1, the casing 1 is inclined, a transverse layering cavity 6 and a sedimentation cavity 7 are respectively arranged at the bottom and the top of the casing 1, the sedimentation cavity 7 is communicated with the casing 1 through an upper flow partition plate 5, the layering cavity 6 is communicated with the casing 1 through a lower flow partition plate 4, when in use, the upper flow partition plate 5 and the lower flow partition plate 4 layer the upper layer and the lower layer into a plurality of parts to block the flow of the upper layer and the lower layer, namely, the disturbance of the middle liquid flow to the upper part and the lower part of the layering is reduced, the upper end of the sedimentation cavity 7 is communicated with a waste oil recovery cavity 9, the lower end of the layering cavity 6 is communicated with a sediment collection cavity 8, the sediment collection cavity 8 and the waste oil recovery cavity 9 are respectively used for collecting impurities and waste oil, a partition plate 10 is arranged in the casing 1 to separate the interior of the plurality of cavities which are not communicated with each other, the baffle plate 10 is provided with a flow guide hole 11 communicating the two cavities, the flow guide holes 11 are alternately arranged one above the other, the height of the flow guide hole 11 is positioned between the lower flow partition plate 4 and the upper flow partition plate 5, when the wastewater flows in the shell 1, the wastewater sequentially flows upwards and downwards in a zigzag manner, on one hand, the flow time in the shell 1 is prolonged, and the precipitation and layering effects are increased, on the other hand, because the shell 1 is obliquely arranged, the layering direction is consistent with the flow direction, when the wastewater flows upwards, the upper layer enters the precipitation cavity 7 through the upper flow partition plate 5, when the wastewater flows downwards, the lower layer impurities sink into the layering cavity 6 through the lower flow partition plate 4, the precipitation cavity 7 and the layering cavity 6 are both provided with independent cavities corresponding to the cavities in the shell 1, each cavity is communicated with a waste oil recovery cavity 9 or a precipitate collection cavity 8, so as to ensure that the liquid in the shell 1 flows into the next cavity through the flow guide hole 11, rather than flowing through the stratification chamber 6 and the sedimentation chamber 7 to the next chamber.
Wherein, the flow direction of the guide holes 11 is provided with a guide plate 12, the outflow port of the guide plate 12 is close to the middle part of the partition plate 10, the guide holes 11 are respectively arranged at the two ends of the partition plate 10 to prolong the flow length of the liquid, and the outlet of the guide plate 12 is close to the middle part of the partition plate 10 to lighten the disturbance to the layering of the upper end and the lower end.
Wherein, the waste oil recovery chamber 9 is provided with an absorption tube 13, the bottom of the absorption tube 13 is provided with a capillary tube 133, and the material of the capillary tube 133 can be infiltrated with oil but not with water, so that the oil in the capillary tube 133 can rise to a higher height, please refer to fig. 2, the lower end of the capillary tube 133 is provided with air holes with uniform liquid level, and because the height of the water is lower than the height of the air holes, the oil layer stops after being completely absorbed when absorbing oil, and the waste water can not be continuously absorbed.
Wherein, all be equipped with one high one low two through-holes between every deposit collection chamber 8 and layering chamber 6, the intercommunication hole of low department retrieves the deposit, the discharge that is used for waste water of eminence.
Referring to fig. 3, the waste oil recovery chamber 9 is filled with high-pressure gas, the waste oil recovery chamber 9 is provided with a gas valve and is separately connected with a gas pump, the absorption tube 13 includes a collection tube 132 and a capillary tube 133, the capillary tube 133 is communicated with an external oil absorption device, the oil absorbed by the collection tube 132 is collected by the external absorption device through the capillary tube 133, the side wall of the collection tube 132 is regularly connected with a floating body 131, the floating body 131 keeps the height of the collection tube 132 extending below the liquid level constant all the time, a connecting tube from the capillary tube 133 to the inner wall of the waste oil recovery chamber 9 is a corrugated tube or a hose, the floating body 131 is connected with a variable resistor, and the floating body 131 drives the resistor to change when moving up and down, thereby sensing the liquid level change.
Referring to fig. 4, each absorption tube 13 is communicated with the recovery tube 14 through the electromagnetic valve 15, the resistance change of the absorption tube 13 triggers the recovery tube 14 to open or close, and the height change of the oil layer changes the height of the absorption tube 13, so that the resistance changes.
The rosin resin production and processing wastewater treatment method comprises the steps of pretreatment and post-treatment, wherein the pretreatment is used for recovering waste oil, the post-treatment is used for biologically and physically degrading the waste oil, the pretreatment is used for recovering the waste oil by using rosin resin production and processing wastewater treatment equipment, and the steps comprise:
(1) connecting a plurality of wastewater treatment devices in series, communicating a demulsifier adding pipe as required, introducing wastewater through the water inlet pipe 2, and keeping the water outlet pipe 3 in a closed state;
(2) after the shell 1 is filled with wastewater, opening the water outlet pipe 3, enabling the water discharge pressure of the water outlet pipe 3 to be smaller than the water inlet pressure of the shell 1, injecting gas into the waste oil recovery cavities 9, recording the resistance value in each waste oil recovery cavity 9, namely the initial height of the absorption pipe 13, and connecting the absorption pipes 13 in the waste oil recovery cavities 9 with the recovery pipes 14;
(3) after detecting that the setting value k1 of the absorption tube 13 of a waste oil recovery cavity 9 is reduced, opening the electromagnetic valve 15 corresponding to the absorption tube 13 to recover the waste oil in the waste oil recovery cavity 9, wherein the air pressure value in the waste oil recovery cavity 9 is kept constant, the total liquid level height does not change greatly, the oil layer height is increased along with the increase of the oil quantity in the waste oil recovery cavity 9, the water discharge is increased due to the lower density of the oil, the actual height of the absorption tube 13 is reduced, and the oil layer height is judged through the height interval of the absorption tube 13;
(4) when the height of the absorption tube 13 in a certain waste oil recovery cavity 9 is detected to be increased by a set value k2, the electromagnetic valve 15 corresponding to the absorption tube 13 is closed, gas is reversely injected, the height of the absorption tube 13 returns to an initial value, and the capillary tube (133) is made of a material capable of being infiltrated with oil and not being infiltrated with water, so that the rising height of the water under the capillary action is smaller than that of the oil, after the upper layer of oil is absorbed, the water is lower in the tube and cannot cover an upper air hole, the gas in the waste oil recovery cavity 9 is discharged through the air hole, the air pressure is reduced, the liquid level rises, and whether the oil layer is absorbed completely is judged by the rising position of the absorption tube 13.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rosin resin production and processing waste water treatment equipment, includes square casing (1), its characterized in that: the improved water-saving device is characterized in that a water inlet pipe (2) and a water outlet pipe (3) are respectively arranged at two ends of the shell (1), the shell (1) is obliquely arranged, a transverse layering cavity (6) and a sedimentation cavity (7) are respectively arranged at the bottom and the top of the shell (1), the sedimentation cavity (7) is communicated with the shell (1) through an upper flow partition plate (5), the layering cavity (6) is communicated with the shell (1) through a lower flow partition plate (4), the upper end of the sedimentation cavity (7) is communicated with a waste oil recovery cavity (9), the lower end of the layering cavity (6) is communicated with a precipitate collection cavity (8), a partition plate (10) is arranged in the shell (1) to separate the inside of the shell (1) into a plurality of cavities which are not communicated with each other, flow guide holes (11) for communicating the two cavities are formed in the partition plate (10), the flow guide holes (11) are alternately arranged on the upper flow partition plate and the lower flow partition plate (5), and the height of the flow guide holes (11) is positioned between the lower flow partition plate (4) and the upper flow partition plate (5), all be equipped with the independent cavity that corresponds with cavity in casing (1) in sedimentation chamber (7) and layering chamber (6), every cavity all communicates has a waste oil to retrieve chamber (9) or deposit and collects chamber (8).
2. The rosin resin production and processing wastewater treatment equipment according to claim 1, wherein the rosin resin production and processing wastewater treatment equipment comprises: the flow direction of the flow guide holes (11) is provided with a flow guide plate (12), and the outflow port of the flow guide plate (12) is close to the middle part of the partition plate (10).
3. The rosin resin production and processing wastewater treatment equipment according to claim 1, wherein the rosin resin production and processing wastewater treatment equipment comprises: an absorption pipe (13) is arranged in the waste oil recovery cavity (9), a capillary (133) is arranged at the bottom of the absorption pipe (13), the capillary (133) can be soaked with oil but not with water, and air holes with uniform liquid level are formed in the lower end of the capillary (133).
4. The rosin resin production and processing wastewater treatment equipment according to claim 1, wherein the rosin resin production and processing wastewater treatment equipment comprises: two through holes, one high and one low, are arranged between each sediment collection cavity (8) and the layering cavity (6).
5. The rosin resin production and processing wastewater treatment equipment according to claim 1, wherein the rosin resin production and processing wastewater treatment equipment comprises: the waste oil recovery device is characterized in that high-pressure gas is filled in the waste oil recovery cavity (9), the absorption pipe (13) comprises a collecting pipe (132) and a capillary (133), the capillary (133) is communicated with an external oil absorption device, the oil absorbed by the collecting pipe (132) is collected through the capillary (133) and absorbed by the external absorption device, a floating body (131) is connected to the side wall of the collecting pipe (132) in a specified mode, the floating body (131) is connected with a variable resistor, and the floating body (131) drives the resistor to change when moving up and down.
6. The rosin resin production and processing wastewater treatment equipment according to claim 1, wherein the rosin resin production and processing wastewater treatment equipment comprises: each absorption pipe (13) is communicated with the recovery pipe (14) through an electromagnetic valve (15), the recovery pipe (14) is triggered to be opened or closed by resistance change of the absorption pipes (13), the height of the absorption pipes (13) can be changed by oil layer height change, and then the resistance is changed.
7. A rosin resin production and processing wastewater treatment method comprises a pretreatment and a post-treatment, wherein the pretreatment is used for recovering waste oil, the post-treatment is used for biologically and physically degrading the waste oil, the pretreatment is used for recovering the waste oil by using the rosin resin production and processing wastewater treatment equipment as set forth in any one of claims 1-6, and the method is characterized in that: the method comprises the following steps:
(1) connecting a plurality of wastewater treatment devices in series, communicating a demulsifier adding pipe as required, introducing wastewater through the water inlet pipe (2), and keeping the water outlet pipe (3) in a closed state;
(2) after the shell (1) is filled with wastewater, the water outlet pipe (3) is opened, the water discharge pressure of the water outlet pipe (3) is smaller than the water inlet pressure of the shell (1), gas is injected into the waste oil recovery cavities (9), and the resistance value in each waste oil recovery cavity (9), namely the initial height of the absorption pipe (13), is recorded;
(3) when the absorption pipe (13) of a certain waste oil recovery cavity (9) is detected to be lowered by a set value k1, opening the electromagnetic valve (15) corresponding to the absorption pipe (13);
(4) and when the height of the absorption pipe (13) in a certain waste oil recovery cavity (9) is detected to be increased by a set value k2, closing the electromagnetic valve (15) corresponding to the absorption pipe (13), and injecting gas reversely to return the height of the absorption pipe (13) to the initial value.
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| CN202110865564.1A CN113620447B (en) | 2021-07-29 | 2021-07-29 | Rosin resin production and processing wastewater treatment equipment and treatment method thereof |
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| CN202110865564.1A CN113620447B (en) | 2021-07-29 | 2021-07-29 | Rosin resin production and processing wastewater treatment equipment and treatment method thereof |
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| CN113620447B CN113620447B (en) | 2023-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118373487A (en) * | 2024-06-26 | 2024-07-23 | 山东莘县瑞森石油树脂有限公司 | A chemical wastewater treatment device and method |
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| JP2001162274A (en) * | 1999-12-07 | 2001-06-19 | Maruhachi:Kk | Apparatus for automatically recovering floating oil |
| CN209652277U (en) * | 2018-12-13 | 2019-11-19 | 扬州建元生物科技有限公司 | A kind of propagation waste oil recyclable device |
| CN110156239A (en) * | 2019-05-09 | 2019-08-23 | 金华市景和科技有限公司 | Sewage multistage purification equipment |
| CN210528614U (en) * | 2019-08-05 | 2020-05-15 | 青岛港国际股份有限公司 | Oil filtering device for purifying waste water by mechanical maintenance |
| CN213506100U (en) * | 2020-11-02 | 2021-06-22 | 科帆环保科技(重庆)有限公司 | Oil-water separation device |
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| CN118373487A (en) * | 2024-06-26 | 2024-07-23 | 山东莘县瑞森石油树脂有限公司 | A chemical wastewater treatment device and method |
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