CN204569519U - Poly-repelling crude oil storage tank sewage purification machinery - Google Patents
Poly-repelling crude oil storage tank sewage purification machinery Download PDFInfo
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- CN204569519U CN204569519U CN201520260707.6U CN201520260707U CN204569519U CN 204569519 U CN204569519 U CN 204569519U CN 201520260707 U CN201520260707 U CN 201520260707U CN 204569519 U CN204569519 U CN 204569519U
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- 239000010779 crude oil Substances 0.000 title claims abstract description 25
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000000746 purification Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003921 oil Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000011001 backwashing Methods 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000006004 Quartz sand Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 235000009496 Juglans regia Nutrition 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 235000020234 walnut Nutrition 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 3
- 240000007049 Juglans regia Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 31
- 238000001914 filtration Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 241000758789 Juglans Species 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Abstract
本实用新型涉及一种聚驱原油储罐污水净化联合装置。主要解决了现有技术中存在的现有原油储罐净化用过滤器滤罐结构不合理造成滤罐反洗效果差因此降低原油储罐的油水分离速度的问题。其特征在于：所述的浮油聚集器上下部分别连接收油出口管及进水/反冲洗出水管线；所述进水/反冲洗出水管线中部连接来自加剂罐的三条进药分支线，所述过滤器本体内搅拌器上部设置有双层过滤分配器，搅拌器下部由上至下设置三层滤料层，磁铁矿滤料层底层靠近过滤器本体内壁固定有若干三通式反冲分配器；所述的进水/反冲洗出水管线与收油出口管的外径比为2.5∶1。该聚驱原油储罐污水净化联合装置，提高反洗效果及油罐油水分离速度，出水水质合格。
The utility model relates to a combination device for purifying sewage of crude oil storage tanks for polymer flooding. The method mainly solves the problem in the prior art that the structure of the filter tank used for purification of the existing crude oil storage tank is unreasonable, resulting in poor backwashing effect of the filter tank, thereby reducing the oil-water separation speed of the crude oil storage tank. It is characterized in that: the upper and lower parts of the floating oil accumulator are respectively connected to the oil collecting outlet pipe and the water inlet/backwash outlet pipeline; the middle part of the water inlet/backwash outlet pipeline is connected to three feed branch lines from the dosing tank, The upper part of the agitator in the filter body is provided with a double-layer filter distributor, and the lower part of the agitator is provided with three layers of filter material layers from top to bottom, and the bottom layer of the magnetite filter material layer is fixed near the inner wall of the filter body. Flush the distributor; the ratio of the outer diameter of the water inlet/backwash outlet pipeline to the oil collection outlet pipe is 2.5:1. The sewage purification unit of the polymer flooding crude oil storage tank improves the backwashing effect and the oil-water separation speed of the oil tank, and the effluent water quality is qualified.
Description
技术领域technical field
本实用新型涉及油气储运技术领域中一种净化联合装置，特别是一种聚驱原油储罐污水净化联合装置。The utility model relates to a purification combined device in the technical field of oil and gas storage and transportation, in particular to a combined sewage purification device for polymer flooding crude oil storage tanks.
背景技术Background technique
近年来我国大部分油田已陆续进入三次采油阶段，而聚合物驱采油是得到大面积推广的重要的三次采油技术。使用聚合物采油，采出油储存于原油储罐内，原油储罐内含有大量含有聚合物的含油污水。随着污水中含聚合物浓度的逐年增大，净化过滤时大量聚合物粘附在滤料表面，加剧了滤料表层污染、板结，过滤罐过滤效果变差。随着时间的延长，过滤量降低必须进行反冲洗。目前滤罐结构不甚合理，滤罐反洗效果差，从而使得过滤后的水质参数越来越差，降低了原油储罐的油水分离速度。In recent years, most of my country's oil fields have entered the stage of tertiary oil recovery, and polymer flooding is an important tertiary oil recovery technology that has been widely promoted. Using polymers for oil recovery, the produced oil is stored in crude oil storage tanks, which contain a large amount of oily sewage containing polymers. As the concentration of polymers in sewage increases year by year, a large amount of polymers adhere to the surface of the filter material during purification and filtration, which aggravates the pollution and compaction of the surface layer of the filter material, and the filtration effect of the filter tank becomes poor. As time goes on, the filtration capacity decreases and backwashing must be carried out. At present, the structure of the filter tank is not very reasonable, and the backwashing effect of the filter tank is poor, which makes the water quality parameters after filtration worse and worse, and reduces the oil-water separation speed of the crude oil storage tank.
发明内容Contents of the invention
本实用新型所要解决的技术问题是克服背景技术中存在的现有原油储罐净化用过滤器滤罐结构不合理造成滤罐反洗效果差因此降低原油储罐的油水分离速度的问题，而提供一种聚驱原油储罐污水净化联合装置，该聚驱原油储罐污水净化联合装置，降低了过滤罐部分反洗死角，提高反洗效果，出水水质合格，提高油罐油水分离速度。The technical problem to be solved by the utility model is to overcome the problem of poor backwashing effect of the filter tank caused by the unreasonable structure of the existing crude oil storage tank purification filter tank existing in the background technology, thus reducing the oil-water separation speed of the crude oil storage tank, and providing The utility model relates to a combined sewage purification device for a crude oil storage tank for polymer flooding. The combined sewage purification device for a crude oil storage tank for polymer flooding reduces the backwashing dead angle of a filter tank, improves the backwashing effect, ensures qualified effluent quality, and increases the oil-water separation speed of the oil tank.
本实用新型解决其问题可通过如下技术方案来达到：该聚驱原油储罐污水净化联合装置，包括加剂罐、收油储罐、原油储罐及过滤器本体，所述的过滤器本体开口端置有浮油聚集器，开口顶部接有电机，过滤器本体内部装有通过电机连接的搅拌器，所述的浮油聚集器上部、下部分别连接收油出口管及进水/反冲洗出水管线；所述收油出口管连接收油储罐，收油储罐内部接有加热管；所述进水/反冲洗出水管线连接原油储罐出口管，所述进水/反冲洗出水管线中部连接来自加剂罐的三条进药分支线，加剂罐与三条进药分支线的总线间接有加药泵；所述过滤器本体内搅拌器上部设置有双层过滤分配器，搅拌器下部对应过滤器本体中下部由上至下设置三层滤料层，分别为核桃壳滤料层、石英砂滤料层、磁铁矿滤料层，磁铁矿滤料层底层靠近过滤器本体内壁固定有若干三通式反冲分配器，三通式反冲分配器另一端与出水/反冲洗进水管线联通；所述的进水/反冲洗出水管线4与收油出口管5的外径比为2.5∶1。The utility model solves its problems through the following technical solutions: the combined device for purifying sewage of crude oil storage tanks by polymer flooding includes dosing tanks, oil storage tanks, crude oil storage tanks and filter bodies, and the opening of the filter body is There is an oil slick collector at the end, a motor is connected to the top of the opening, and an agitator connected by the motor is installed inside the filter body. The upper and lower parts of the oil slick collector are respectively connected to the oil collection outlet pipe and the water inlet/backwash outlet pipeline; the oil collection outlet pipe is connected to the oil storage tank, and a heating pipe is connected inside the oil collection storage tank; the water inlet/backwash outlet pipeline is connected to the outlet pipe of the crude oil storage tank, and the middle part of the water inlet/backwash outlet pipeline is Connect the three drug feeding branch lines from the dosing tank, and the bus between the dosing tank and the three drug feeding branch lines has a dosing pump indirectly; the upper part of the agitator in the filter body is provided with a double-layer filter distributor, and the lower part of the agitator corresponds to The middle and lower part of the filter body is provided with three filter material layers from top to bottom, which are walnut shell filter material layer, quartz sand filter material layer, and magnetite filter material layer. The bottom layer of the magnetite filter material layer is fixed close to the inner wall of the filter body There are several three-way recoil distributors, and the other end of the three-way recoil distributor is connected to the water outlet/backwash inlet pipeline; the ratio of the outer diameter of the water inlet/backwash outlet pipeline 4 to the oil collection outlet pipe 5 is It is 2.5:1.
本实用新型与上述背景技术相比较可具有如下有益效果：该聚驱原油储罐污水净化联合装置由于采用上述结构，多层过滤器采用双层筒式过滤器结构，即双层筛管结构，在筛管和套管中间填装高强低密度的颗粒材料，反冲洗过程中，颗粒材料在反冲洗水作用下将内层筛管包围，避免小颗粒滤料堵塞筛管造成筛管憋压、跑料。过滤过程中在水作用下将包裹筛管的颗粒材料冲刷下来，堆积在套管内部。污水经过双层过滤分配器均匀分布在滤料表层，经过三层滤料过滤后达标出水进入清水罐。本设计采用双层过滤分配器，充分利用其内部结构，能够有效控制滤料膨化高度，避免滤料流失。进水/反冲洗出水管线与收油出口管的外径比为2.5∶1，收油出口管的外径小于进水/反冲洗出水管线的外径，由于收油出口管管径小，所以更容易安装在接近罐顶的位置，这样最大程度的提高了过滤罐反洗面积，不留死角，在原反洗压力不变的情况下提高了滤罐内部的反冲洗压力，在加大压力的冲洗下，反洗效果更明显。絮凝剂经由加药泵通过三条分支线打入进水/反冲洗出水管线中，分散效果好，有利于在高效絮凝剂和水中聚丙烯酰胺作用下污水中油和悬浮固体形成絮体。该装置降低了过滤罐部分反洗死角，出水水质合格，提高油罐油水分离速度。Compared with the above-mentioned background technology, the utility model can have the following beneficial effects: due to the adoption of the above-mentioned structure, the multi-layer filter adopts a double-layer cartridge filter structure, that is, a double-layer screen pipe structure. Fill the middle of the screen tube and casing with high-strength and low-density granular material. During the backwashing process, the granular material surrounds the inner screen tube under the action of backwash water, so as to prevent the screen tube from being blocked by small particles of filter material, causing the screen tube to hold pressure, Running material. During the filtration process, under the action of water, the granular material wrapped around the screen is washed down and accumulated inside the casing. The sewage is evenly distributed on the surface of the filter material through the double-layer filter distributor, and the water reaching the standard after being filtered by the three-layer filter material enters the clean water tank. This design adopts a double-layer filter distributor, making full use of its internal structure, which can effectively control the puffing height of the filter material and avoid the loss of the filter material. The outer diameter ratio of the water inlet/backwash outlet pipe to the oil collection outlet pipe is 2.5:1, and the outer diameter of the oil collection outlet pipe is smaller than the outer diameter of the water inlet/backwash outlet pipe. Since the diameter of the oil collection outlet pipe is small, the It is easier to install near the top of the tank, so that the backwash area of the filter tank is increased to the greatest extent, without leaving any dead space, and the backwash pressure inside the filter tank is increased while the original backwash pressure remains unchanged. Under flushing, the backwashing effect is more obvious. The flocculant is injected into the water inlet/backwash outlet pipeline through three branch lines through the dosing pump, and the dispersion effect is good, which is conducive to the formation of flocs of oil and suspended solids in sewage under the action of high-efficiency flocculant and polyacrylamide in water. The device reduces the partial backwash dead angle of the filter tank, the water quality of the effluent is qualified, and the oil-water separation speed of the oil tank is improved.
附图说明：Description of drawings:
附图1是本实用新型的结构示意图；Accompanying drawing 1 is the structural representation of the utility model;
附图2是本实用新型过滤分配器的结构示意图。Accompanying drawing 2 is the structural representation of the filter distributor of the present utility model.
图中：1-加剂罐，2-加药泵，3-进药分支线，4-进水/反冲洗出水管线，5-收油出口管，6-收油储罐，7-加热管，8-浮油聚集器，9-核桃壳滤料，10-石英砂滤料，11-磁铁矿滤料，12-三通式反冲分配器，13-出水/反冲洗进水管线，14-搅拌器，15-双层过滤分配器，16-内层筛管，17-外层套管，18-上层压板，19-下层压板，20-原油储罐。In the figure: 1-dosing tank, 2-dosing pump, 3-medicine feed branch line, 4-water inlet/backwash outlet pipeline, 5-oil collection outlet pipe, 6-oil collection storage tank, 7-heating pipe , 8-oil slick collector, 9-walnut shell filter material, 10-quartz sand filter material, 11-magnetite filter material, 12-three-way recoil distributor, 13-outlet/backwash inlet pipeline, 14-stirrer, 15-double-layer filter distributor, 16-inner screen, 17-outer casing, 18-upper laminate, 19-lower laminate, 20-crude oil storage tank.
具体实施方式：Detailed ways:
下面结合附图将对本实用新型作进一步说明内：The utility model will be further described below in conjunction with accompanying drawing:
如附图1所示，该聚驱原油储罐污水净化联合装置包括加剂罐1、收油储罐6、原油储罐20及过滤器本体，所述的过滤器本体开口端为浮油聚集器8，开口顶部接有电机，过滤器本体内部装有通过电机连接的搅拌器14；所述浮油聚集器8上部、下部分别连接收油出口管5及进水/反冲洗出水管线4；所述收油出口管5连接收油储罐6，收油储罐6内部接有加热管7，在温度过低时，防止液体冻结，可对液体进行加热防冻；所述进水/反冲洗出水管线4连接原油储罐20出口管，所述进水/反冲洗出水管线4中部连接来自加剂罐1的三条进药分支线3，加剂罐1与三条进药分支线3的总线间接有加药泵2；所述过滤器本体内搅拌器14上部设置有双层过滤分配器15，搅拌器14下部对应过滤器本体中下部由上至下设置三层滤料层，分别为核桃壳滤料层9、石英砂滤料层10、磁铁矿滤料层11，磁铁矿滤料层11底层靠近过滤器本体内壁固定有若干三通式反冲分配器12，三通式反冲分配器12另一端与出水/反冲洗进水管线13联通；如图2所示，所述的双层过滤分配器15为上下两层压板，分别为上层压板18及下层压板19，两层压板间垂直固定有若干外层套管17，外层套管17内腔于上层压板18下部固定有内层筛管16；所述的外层套管17与内层筛管16中间填装的高强低密度的陶粒；进水/反冲洗出水管线4与收油出口管5的外径比为2.5∶1，收油出口管5的外径小于进水/反冲洗出水管线4的外径，由于收油出口管5管径小，所以更容易安装在接近罐顶的位置，这样最大程度的提高了过滤罐反洗面积，不留死角，在原反洗压力不变的情况下提高了滤罐内部的反冲洗压力，在加大压力的冲洗下，反洗效果更明显。As shown in the accompanying drawing 1, the sewage purification combined device of the polymer flooding crude oil storage tank comprises an additive tank 1, an oil storage tank 6, a crude oil storage tank 20 and a filter body, and the opening end of the filter body is a collection of slick oil. 8, a motor is connected to the top of the opening, and the inside of the filter body is equipped with an agitator 14 connected by the motor; the upper and lower parts of the oil slick collector 8 are respectively connected to the oil collection outlet pipe 5 and the water inlet/backwash outlet pipeline 4; The oil-receiving outlet pipe 5 is connected to the oil-receiving storage tank 6, and the oil-receiving storage tank 6 is connected with a heating pipe 7, which prevents the liquid from freezing when the temperature is too low, and can heat the liquid to prevent freezing; the water inlet/backwash The water outlet pipeline 4 is connected to the outlet pipe of the crude oil storage tank 20, and the middle part of the water inlet/backwash outlet pipeline 4 is connected to the three feed branch lines 3 from the dosing tank 1, and the bus between the dosing tank 1 and the three medicine feed branch lines 3 is indirect There is a dosing pump 2; the upper part of the agitator 14 in the filter body is provided with a double-layer filter distributor 15, and the lower part of the agitator 14 corresponds to the middle and lower part of the filter body, and three layers of filter material layers are arranged from top to bottom, which are respectively walnut shells Filter material layer 9, quartz sand filter material layer 10, magnetite filter material layer 11, the bottom of magnetite filter material layer 11 is fixed with several three-way recoil distributors 12 near the inner wall of the filter body. The other end of the distributor 12 is in communication with the water outlet/backwashing water inlet line 13; as shown in Figure 2, the double-layer filter distributor 15 is an upper and lower laminated board, respectively an upper laminated board 18 and a lower laminated board 19, two laminated boards A number of outer sleeves 17 are fixed vertically between them, and the inner cavity of the outer sleeves 17 is fixed with an inner screen 16 at the lower part of the upper laminate 18; Low-density ceramsite; the outer diameter ratio of the water inlet/backwash outlet pipe 4 to the oil collection outlet pipe 5 is 2.5:1, and the outer diameter of the oil collection outlet pipe 5 is smaller than the outer diameter of the water inlet/backwash outlet pipe 4, Due to the small diameter of the oil collection outlet pipe 5, it is easier to install it near the top of the tank, which maximizes the backwash area of the filter tank without leaving any dead ends, and improves the filter tank under the condition that the original backwash pressure remains unchanged. The internal backwashing pressure, under the increased pressure flushing, the backwashing effect is more obvious.
该聚驱原油储罐污水净化联合装置，过滤器本体开口端由进水/反冲洗出水管线连接加药泵，过滤器本体开口端上部接有排空阀。该聚驱原油储罐污水净化联合装置使用时，絮凝剂经由加药泵通过三条分支线打入进水/反冲洗出水管线中，分散效果好，有利于在高效絮凝剂和水中聚丙烯酰胺作用下污水中油和悬浮固体形成絮体，污水经过双层过滤分配器均匀分布在滤料表层，形成絮体的颗粒在污水流经核桃壳滤料层过程中为核桃壳滤料截留，一些细小的颗粒则进入下层石英砂滤料层、磁铁矿滤料层中，经过截留和沉降作用去除，经过三层滤料过滤后水进入三通式反冲分配器。达标出水经过出水/反冲洗进水管线进入清水罐。本专利采用三层滤料级配，一层为3mm核桃壳滤料，中间层为1.2mm石英砂滤料，下层为0.5mm磁铁矿滤料，所述核桃壳滤料、石英砂滤料、磁铁矿滤料高度比为10∶3∶4；反冲洗过程中反冲洗水经由出水/反冲洗进水管线，通过三通式反冲分配器均匀分布在罐内，利用反冲洗水和搅拌器的共同作用下将截留在滤料表层的杂质清洗下来。特别是对于含有聚合物污水，由于聚合物污水粘度大，杂质与颗粒之间粘附力大，不容易脱附，造成滤料流失，而本设计采用双层过滤分配器，充分利用其内部结构，在筛管和套管中间填装高强低密度的颗粒材料，反冲洗过程中，颗粒材料在反冲洗水作用下将内层筛管包围，避免小颗粒滤料堵塞筛管造成筛管憋压、跑料。过滤过程中在水作用下将包裹筛管的颗粒材料冲刷下来，堆积在套管内部。能够有效控制滤料膨化高度，避免滤料流失。该装置降低了过滤罐部分反洗死角，出水水质合格，提高油罐油水分离速度。In the sewage purification combined device for polymer flooding crude oil storage tank, the opening end of the filter body is connected to the dosing pump through the water inlet/backwash outlet pipeline, and the upper part of the opening end of the filter body is connected with an emptying valve. When the combined sewage purification unit of the polymer flooding crude oil storage tank is used, the flocculant is injected into the water inlet/backwash outlet pipeline through three branch lines through the dosing pump. The oil and suspended solids in the sewage form flocs, and the sewage is evenly distributed on the surface of the filter material through the double-layer filter distributor. The particles enter the lower quartz sand filter layer and magnetite filter layer, and are removed through interception and sedimentation. After being filtered by three layers of filter materials, the water enters the three-way recoil distributor. The effluent water that reaches the standard enters the clean water tank through the effluent/backwash water inlet pipeline. This patent adopts three-layer filter material gradation, one layer is 3mm walnut shell filter material, the middle layer is 1.2mm quartz sand filter material, and the lower layer is 0.5mm magnetite filter material, the walnut shell filter material, quartz sand filter material , The height ratio of magnetite filter material is 10:3:4; during the backwashing process, the backwashing water is evenly distributed in the tank through the three-way backwashing distributor through the outlet/backwashing water inlet pipeline, and the backwashing water and backwashing water are used to Under the joint action of the agitator, the impurities trapped on the surface of the filter material are cleaned. Especially for sewage containing polymers, due to the high viscosity of polymer sewage, the strong adhesion between impurities and particles, it is not easy to desorb, resulting in the loss of filter material, and this design uses a double-layer filter distributor to make full use of its internal structure , Fill the middle of the screen tube and casing with high-strength and low-density granular material. During the backwashing process, the granular material surrounds the inner screen tube under the action of backwash water, so as to prevent the small particle filter material from clogging the screen tube and causing the screen tube to hold pressure. , Running material. During the filtration process, under the action of water, the granular material wrapped around the screen is washed down and accumulated inside the casing. It can effectively control the expansion height of the filter material and avoid the loss of the filter material. The device reduces the partial backwash dead angle of the filter tank, the water quality of the effluent is qualified, and the oil-water separation speed of the oil tank is improved.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930532A (en) * | 2018-07-02 | 2018-12-04 | 芜湖中淇节能科技有限公司 | A kind of energy-efficient new energy oil exploitation purification apparatus |
| CN109665588A (en) * | 2019-02-22 | 2019-04-23 | 山东广域科技有限责任公司 | Integrated crude oil wastewater efficient fine processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930532A (en) * | 2018-07-02 | 2018-12-04 | 芜湖中淇节能科技有限公司 | A kind of energy-efficient new energy oil exploitation purification apparatus |
| CN109665588A (en) * | 2019-02-22 | 2019-04-23 | 山东广域科技有限责任公司 | Integrated crude oil wastewater efficient fine processing device |
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