Novel modified filter material sewage treatment equipment

Abstract

The utility model relates to novel modified filter material sewage treatment equipment. According to the technical scheme, a heat exchanger is connected to a coarse filter through a pipeline, the coarse filter is sequentially connected with a first modified filter material tank and a second modified filter material tank in series through pipelines and then connected with a water inlet of an RO membrane processor through a pipeline, and a sewage outlet of the second modified filter material tank is connected with a filter tank sewage storage tank through a pipeline; the purified water outlet is connected to an RO membrane purified water storage tank through a pipeline, and the sewage outlet is connected to an RO membrane sewage storage tank through a pipeline; sewage is connected to the heat exchanger through a pipeline, the heat exchanger is connected to the multi-stage evaporator through a pipeline, and the output end of the multi-stage evaporator is connected with the evaporator sewage tank through a pipeline. The device has the beneficial effects that the heavy oil sewage is further concentrated, so that the amount of generated sewage is greatly reduced, the pollution to the environment is reduced, the sewage in heavy oil recovery reaches the water standard of a steam-injection boiler through deep treatment, and the cyclic utilization of water resources is realized.

Description

Technical Field

[0001] The utility model relates to a sewage treatment device, in particular to a novel modified filter material sewage treatment device. Background Art

[0002] At present, a large amount of sewage is generated in oil field production, especially in the exploitation of heavy oil. For example, in the management area of ​​a certain oil field, the sewage treatment volume and water injection volume are both over 10,000 cubic meters per day, and the sewage treatment volume is large. Under the increasingly stringent environmental protection requirements, in addition to sewage reinjection, the deep treatment and resource utilization of heavy oil sewage have received more and more attention, and the steam injection boiler is the key equipment for heavy oil exploitation. The steam used in heavy oil exploitation is generated by the steam injection boiler. If the sewage can be treated and then used as water for the steam injection boiler, the recycling of water resources can be realized, which greatly reduces the pollution pressure on the environment. Utility Model Content

[0003] The purpose of the utility model is to provide a new type of modified filter material sewage treatment equipment to address the above-mentioned defects in the prior art. Therefore, the sewage in heavy oil production can be deeply treated to meet the water standards for steam injection boilers. As steam injection water, it is of great significance to relieve water injection pressure, improve sewage treatment level, and resource utilization of heavy oil sewage.

[0004] The utility model mentions a new type of modified filter material sewage treatment equipment, and its technical solution is: including a thick oil sewage storage tank (C001), a first feed pump (P6100), a heat exchanger (E6100), a coarse filter (F6100), a first modified filter material tank (D6140), a second modified filter material tank (D6240), an RO membrane processor (R6100), a filter tank sewage storage tank (H6100), an RO membrane sewage storage tank (H6200), and an RO membrane water purifier. storage tank (H6300), a second feed pump (P6200), a third feed pump (P6300), a multi-stage evaporator (Z6100), and an evaporator wastewater tank (H6400). The lower end of the heavy oil wastewater storage tank (C001) is connected to the pipe side inlet of the heat exchanger (E6100) through a pipeline and the first feed pump (P6100). The pipe side outlet of the heat exchanger (E6100) is connected to the inlet of the coarse filter (F6100) through a pipeline. The coarse filter (F6 The outlet of the first modified filter material tank (D6140) and the second modified filter material tank (D6240) are connected in series via a pipeline, the clean water outlet of the second modified filter material tank (D6240) is connected to the water inlet of the RO membrane processor (R6100) via a pipeline, the sewage outlet of the second modified filter material tank (D6240) is connected to the filter tank sewage storage tank (H6100) via a pipeline, and the clean water outlet of the RO membrane processor (R6100) is connected to the RO membrane water purification tank via a pipeline. The wastewater outlet of the RO membrane processor (R6100) is connected to the RO membrane wastewater storage tank (H6200) through a pipeline; the RO membrane wastewater storage tank (H6200) is connected to the shell side inlet of the heat exchanger (E6100) through a pipeline, the shell side outlet of the heat exchanger (E6100) is connected to the multi-stage evaporator (Z6100) through a pipeline, and the output end of the multi-stage evaporator (Z6100) is connected to the evaporator wastewater tank (H6400) through a pipeline.

[0005] Preferably, the first modified filter material tank (D6140) comprises a tank body (d1), a motor drive device (d2), a water inlet pipe (d3), a water outlet pipe (d5), a power rod (d7), a hydrophilic oleophobic filter (d10), and a support frame (d11); a support frame (d11) is provided at the lower part of the inner cavity of the tank body (d1); a hydrophilic oleophobic filter (d10) is installed at the upper part of the support frame (d11); a motor drive device (d2) and a water inlet pipe (d3) are installed at the top of the tank body (d1); and a water outlet pipe (d5) is installed at the bottom of the tank body (d1); an output end of the motor drive device (d2) is connected to a power rod (d7); the power rod (d7) is located in the inner cavity of the tank body (d1), and one or more agitators are installed on the power rod (d7).

[0006] Preferably, a manhole (d4) is provided on the outer wall of the tank body (d1), and an overflow pipe (d6) is also installed on the top of the tank body (d1), and the agitator comprises an upper agitator (d8) and a lower agitator (d9), and the diameter of the lower agitator (d9) is larger than the diameter of the upper agitator (d8).

[0007] Preferably, the above-mentioned hydrophilic and oleophobic filter (d10) comprises a plurality of groups of monomer filter elements evenly arranged, and the monomer filter element comprises a filter element body (d10.1), an upper joint (d10.2), a lower joint (d10.3), and a hydrophilic and oleophobic layer (d10.4); the upper part of the filter element body (d10.1) is provided with an upper joint (d10.2), the lower part is provided with a lower joint (d10.3), and the outer layer of the filter element body (d10.1) is provided with a hydrophilic and oleophobic layer (d10.4).

[0008] Preferably, the multi-stage evaporator (Z6100) comprises an evaporator infusion pump (z1), a first preheater (z2), a second preheater (z3), a third preheater (z4), a first evaporator (z5), a second evaporator (z6), a third evaporator (z7) and a condensate collection tank (z8); the output end of the evaporator infusion pump (z1) is connected to the first preheater (z2), the second preheater (z3) and the third preheater (z4) in sequence through a pipeline; the output end of the third preheater (z4) is connected to the third evaporator (z7), the second evaporator (z6) and the first evaporator (z5) in sequence through a pipeline; the output end of the first evaporator (z5) is connected to the filter tank sewage storage tank (H6100) through a pipeline; the output ends of the first preheater (z2), the second preheater (z3) and the third preheater (z4) are respectively connected to the condensate collection tank (z8) through pipelines.

[0009] Preferably, the first evaporator (z5.1) is provided in the first evaporator (z5), the second evaporator (z6) is provided in the second evaporator (z6.1), the third evaporator (z7) is provided in the third evaporator (z7.1), and the output end of the third evaporator (z7.1) is connected to the third preheater (z4) through a pipeline, the output end of the second evaporator (z6.1) is connected to the second preheater (z3) through a pipeline, and the output end of the first evaporator (z5.1) is connected to the first preheater (z2) through a pipeline.

[0010] Preferably, the evaporation steam in the inner cavity of the third evaporator (z7) is connected to the input port of the second evaporator (z6.1) in the second evaporator (z6) through the top pipeline, and the evaporation steam in the inner cavity of the second evaporator (z6) is connected to the input port of the first evaporator (z5) of the first evaporator (z5) through the top pipeline.

[0011] The beneficial effects of the utility model are as follows: the heavy oil sewage is cooled by heat exchange through the heat exchanger, and then sent to the coarse filter for coarse filtration, and then sent to the first modified filter material tank and the second modified filter material tank for oil-water separation, so as to better achieve oil-water separation, the separated water is sent to the RO membrane processor for purification, the purified water is sent to the RO membrane water purification tank, and then sent to the steam boiler through the third feed pump to realize recycling and utilization; and the purified sewage is sent to the RO membrane sewage storage tank, and the output end of the RO membrane sewage storage tank is sent to the heat exchanger through the second feed pump and the pipeline, and after the sewage is preheated, it is sent to the multi-stage evaporator equipped with modified filter material, and the sewage is further concentrated, so that the amount of sewage generated is greatly reduced, and the pollution to the environment is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the process of the utility model;

[0013] Figure 2 1 is a schematic diagram of the structure of the first modified filter material tank;

[0014] Figure 3 It is a schematic diagram of the structure of a hydrophilic and oleophobic filter;

[0015] Figure 4 It is a schematic diagram of the structure of a multi-stage evaporator;

[0016] Figure 5 It is a schematic diagram of the flow chart of Example 2 of the utility model;

[0017] In the above figure: heavy oil wastewater storage tank C001, first feed pump P6100, heat exchanger E6100, coarse filter F6100, first modified filter tank D6140, second modified filter tank D6240, RO membrane processor R6100, filter tank wastewater storage tank H6100, RO membrane wastewater storage tank H6200, RO membrane purified water storage tank H6300, second feed pump P6200, third feed pump P6300, steam boiler G6000, multi-stage evaporator Z6100, evaporator wastewater tank H6400;

[0018] Tank body d1, motor drive device d2, water inlet pipe d3, manhole d4, water outlet pipe d5, overflow pipe d6, power rod d7, upper stirrer d8, lower stirrer d9, hydrophilic and oleophobic filter d10, support frame d11, filter element body d10.1, upper joint d10.2, lower joint d10.3, hydrophilic and oleophobic layer d10.4,

[0019] Evaporator infusion pump z1, first preheater z2, second preheater z3, third preheater z4, first evaporator z5, second evaporator z6, third evaporator z7, condensed water collection tank z8, first evaporator z5.1, second evaporator z6.1, third evaporator z7.1. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example 1, reference Figure 1-Figure 4 The utility model mentions a novel modified filter material sewage treatment equipment, comprising a heavy oil sewage storage tank C001, a first feed pump P6100, a heat exchanger E6100, a coarse filter F6100, a first modified filter material tank D6140, a second modified filter material tank D6240, an RO membrane processor R6100, a filter tank sewage storage tank H6100, an RO membrane sewage storage tank H6200, an RO membrane water purification tank H6300, a second feed pump P6200, a third feed pump P6300, a multi-stage evaporator Z6100, and an evaporator sewage tank H6400. The lower end of the heavy oil sewage storage tank C001 is connected to the tube side inlet of the heat exchanger E6100 through a pipeline and the first feed pump P6100, the tube side outlet of the heat exchanger E6100 is connected to the inlet of the coarse filter F6100 through a pipeline, and the outlet of the coarse filter F6100 The first modified filter material tank D6140 and the second modified filter material tank D6240 are connected in series in sequence through pipelines, the clean water outlet of the second modified filter material tank D6240 is connected to the water inlet of the RO membrane processor R6100 through a pipeline, the sewage outlet of the second modified filter material tank D6240 is connected to the filter tank sewage storage tank H6100 through a pipeline, the clean water outlet of the RO membrane processor R6100 is connected to the RO membrane clean water storage tank H6300 through a pipeline, and the sewage outlet of the RO membrane processor R6100 is connected to the RO membrane sewage storage tank H6200 through a pipeline; the RO membrane sewage storage tank H6200 is connected to the shell side inlet of the heat exchanger E6100 through a pipeline, the shell side outlet of the heat exchanger E6100 is connected to the multi-stage evaporator Z6100 through a pipeline, and the output end of the multi-stage evaporator Z6100 is connected to the evaporator sewage tank H6400 through a pipeline.

[0022] Reference Figure 2The first modified filter material tank D6140 mentioned in the utility model includes a tank body d1, a motor drive device d2, a water inlet pipe d3, a water outlet pipe d5, a power rod d7, a hydrophilic oleophobic filter d10, and a support frame d11. The lower part of the inner cavity of the tank body d1 is provided with a support frame d11, and the upper part of the support frame d11 is installed with a hydrophilic oleophobic filter d10. The motor drive device d2 and the water inlet pipe d3 are installed on the top of the tank body d1, and the water outlet pipe d5 is installed at the bottom of the tank body d1; the output end of the motor drive device d2 is connected to the power rod d7, the power rod d7 is located in the inner cavity of the tank body d1, and one or more agitators are installed on the power rod d7.

[0023] Among them, a manhole d4 is provided on the outer wall of the above-mentioned tank body d1, and an overflow pipe d6 is also installed on the top of the tank body d1. The agitator includes an upper agitator d8 and a lower agitator d9, and the diameter of the lower agitator d9 is larger than the diameter of the upper agitator d8.

[0024] Reference Figure 3 The hydrophilic and oleophobic filter d10 mentioned in the utility model includes a plurality of groups of monomer filter elements evenly arranged, and the monomer filter element includes a filter element body d10.1, an upper joint d10.2, a lower joint d10.3, and a hydrophilic and oleophobic layer d10.4. The upper part of the filter element body d10.1 is provided with an upper joint d10.2, and the lower part is provided with a lower joint d10.3. The outer layer of the filter element body d10.1 is provided with a hydrophilic and oleophobic layer d10.4, and the hydrophilic and oleophobic layer is made of modified filter material, which has hydrophilic and oleophobic properties, so that the oil remains in the inner cavity of the tank body d1, and the water is filtered through the filter element body and flows downward, and then discharged through the outlet pipe d5.

[0025] Reference Figure 4 The multi-stage evaporator Z6100 mentioned in the utility model includes an evaporator infusion pump z1, a first preheater z2, a second preheater z3, a third preheater z4, a first evaporator z5, a second evaporator z6, a third evaporator z7 and a condensed water collection tank z8. The output end of the evaporator infusion pump z1 is connected to the first preheater z2, the second preheater z3 and the third preheater z4 in sequence through a pipeline, the output end of the third preheater z4 is connected to the third evaporator z7, the second evaporator z6 and the first evaporator z5 in sequence through a pipeline, and the output end of the first evaporator z5 is connected to the filter tank sewage storage tank H6100 through a pipeline; the output ends of the first preheater z2, the second preheater z3 and the third preheater z4 are respectively connected to the condensed water collection tank z8 through pipelines.

[0026] Among them, a first evaporator z5.1 is provided in the first evaporator z5, a second evaporator z6.1 is provided in the second evaporator z6, a third evaporator z7.1 is provided in the third evaporator z7, and the output end of the third evaporator z7.1 is connected to the third preheater z4 through a pipeline, the output end of the second evaporator z6.1 is connected to the second preheater z3 through a pipeline, and the output end of the first evaporator z5.1 is connected to the first preheater z2 through a pipeline.

[0027] In addition, the evaporation steam in the inner cavity of the third evaporator z7 is connected to the input port of the second evaporator z6.1 in the second evaporator z6 through the top pipeline, and the evaporation steam in the inner cavity of the second evaporator z6 is connected to the input port of the first evaporator z5 through the top pipeline.

[0028] When the utility model is used, the heavy oil sewage is buffered and stored in the heavy oil sewage storage tank C001, and then transported to the heat exchanger E6100 for heat exchange through the first feed pump P6100, and then sent to the coarse filter F6100 for coarse filtration, and then sent to the first modified filter tank D6140 and the second modified filter tank D6240 for oil-water separation, and the separated water is sent to the RO membrane processor R6100 for purification, and the purified water is sent to the RO membrane water purification tank H6300, and then sent to the steam boiler G6000 through the third feed pump P6300 to realize circulation and recovery. The purified sewage is sent to the RO membrane sewage storage tank H6200, and the output end of the RO membrane sewage storage tank H6200 is then sent to the heat exchanger E6100 through the second feed pump P6200 and the pipeline. After the sewage is preheated, it is sent to the multi-stage evaporator Z6100, and the sewage is further concentrated, thereby greatly reducing the amount of sewage generated and reducing environmental pollution. The sewage in heavy oil production is deeply treated to meet the water standards for steam injection boilers. As water for steam injection, it is of great significance to relieve water injection pressure, improve sewage treatment level, and resource utilization of heavy oil sewage.

[0029] Example 2, reference Figure 5The utility model mentions a novel modified filter material sewage treatment equipment, comprising a heavy oil sewage storage tank C001, a first feed pump P6100, a heat exchanger E6100, a coarse filter F6100, a first modified filter material tank D6140, a second modified filter material tank D6240, an RO membrane processor R6100, a filter tank sewage storage tank H6100, an RO membrane sewage storage tank H6200, an RO membrane water purification tank H6300, a second feed pump P6200, a third feed pump P6300, a multi-stage evaporator Z6100, and an evaporator sewage tank H6400. The lower end of the heavy oil sewage storage tank C001 is connected to the tube side inlet of the heat exchanger E6100 through a pipeline and the first feed pump P6100, the tube side outlet of the heat exchanger E6100 is connected to the inlet of the coarse filter F6100 through a pipeline, and the outlet of the coarse filter F6100 The first modified filter material tank D6140 and the second modified filter material tank D6240 are connected in series in sequence through pipelines, the clean water outlet of the second modified filter material tank D6240 is connected to the water inlet of the RO membrane processor R6100 through a pipeline, the sewage outlet of the second modified filter material tank D6240 is connected to the filter tank sewage storage tank H6100 through a pipeline, the clean water outlet of the RO membrane processor R6100 is connected to the RO membrane clean water storage tank H6300 through a pipeline, and the sewage outlet of the RO membrane processor R6100 is connected to the RO membrane sewage storage tank H6200 through a pipeline; the RO membrane sewage storage tank H6200 is connected to the shell side inlet of the heat exchanger E6100 through a pipeline, the shell side outlet of the heat exchanger E6100 is connected to the multi-stage evaporator Z6100 through a pipeline, and the output end of the multi-stage evaporator Z6100 is connected to the evaporator sewage tank H6400 through a pipeline.

[0030] The difference from Example 1 is:

[0031] The filtrate outlet of the first modified filter material tank D6140 is connected to the filter tank sewage storage tank H6100 through a pipeline and a valve.

[0032] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent transformation based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A new type of modified filter material sewage treatment equipment, characterized by: Including thick Oily wastewater storage tank (C001), first feed pump (P6100), heat exchanger (E6100), coarse filter (F6100), first modified filter tank (D6140), second modified filter tank (D6240), RO membrane processor (R6100), filter tank wastewater storage tank (H6100), RO membrane wastewater storage tank (H6200), RO membrane water purification tank (H6300), second feed pump (P6200), third A feed pump (P6300), a multi-stage evaporator (Z6100), and an evaporator wastewater tank (H6400); the lower end of the thick oil wastewater storage tank (C001) is connected to the tube side inlet of the heat exchanger (E6100) through a pipeline and the first feed pump (P6100); the tube side outlet of the heat exchanger (E6100) is connected to the inlet of the coarse filter (F6100) through a pipeline; the outlet of the coarse filter (F6100) is connected in series with the first and second filters (F6100) through a pipeline. A modified filter material tank (D6140) and a second modified filter material tank (D6240), wherein the clean water outlet of the second modified filter material tank (D6240) is connected to the water inlet of the RO membrane processor (R6100) through a pipeline, the sewage outlet of the second modified filter material tank (D6240) is connected to the filter tank sewage storage tank (H6100) through a pipeline, the clean water outlet of the RO membrane processor (R6100) is connected to the RO membrane clean water storage tank (H6300) through a pipeline, and the sewage outlet of the RO membrane processor (R6100) is connected to the RO membrane sewage storage tank (H6200) through a pipeline; the RO membrane sewage storage tank (H6200) is connected to the shell side inlet of the heat exchanger (E6100) through a pipeline, the shell side outlet of the heat exchanger (E6100) is connected to the multi-stage evaporator (Z6100) through a pipeline, and the output end of the multi-stage evaporator (Z6100) is connected to the evaporator sewage tank (H6400) through a pipeline.

2. The novel modified filter material sewage treatment equipment according to claim 1 is characterized in that: The first modified filter material tank (D6140) comprises a tank body (d1), a motor drive device (d2), a water inlet pipe (d3), a water outlet pipe (d5), a power rod (d7), a hydrophilic oleophobic filter (d10), and a support frame (d11); a support frame (d11) is provided at the lower part of the inner cavity of the tank body (d1); a hydrophilic oleophobic filter (d10) is installed at the upper part of the support frame (d11); a motor drive device (d2) and a water inlet pipe (d3) are installed at the top of the tank body (d1); and a water outlet pipe (d5) is installed at the bottom of the tank body (d1); an output end of the motor drive device (d2) is connected to a power rod (d7); the power rod (d7) is located in the inner cavity of the tank body (d1), and one or more agitators are installed on the power rod (d7).

3. The novel modified filter material sewage treatment equipment according to claim 2 is characterized in that: A manhole (d4) is provided on the outer wall of the tank body (d1), and an overflow pipe (d6) is also installed on the top of the tank body (d1). The agitator comprises an upper agitator (d8) and a lower agitator (d9), and the diameter of the lower agitator (d9) is larger than the diameter of the upper agitator (d8).

4. The novel modified filter material sewage treatment equipment according to claim 2 or 3 is characterized in that: The hydrophilic and oleophobic filter (d10) comprises a plurality of groups of evenly arranged monomer filter elements, wherein the monomer filter element comprises a filter element body (d10.1), an upper joint (d10.2), a lower joint (d10.3), and a hydrophilic and oleophobic layer (d10.4). The upper part of the filter element body (d10.1) is provided with an upper joint (d10.2), the lower part is provided with a lower joint (d10.3), and the outer layer of the filter element body (d10.1) is provided with a hydrophilic and oleophobic layer (d10.4).

5. The novel modified filter material sewage treatment equipment according to claim 1 is characterized in that: The multi-stage evaporator (Z6100) comprises an evaporator infusion pump (z1), a first preheater (z2), a second preheater (z3), a third preheater (z4), a first evaporator (z5), a second evaporator (z6), a third evaporator (z7) and a condensed water collection tank (z8). The output end of the evaporator infusion pump (z1) is connected to the first preheater (z2), the second preheater (z3) and the third preheater (z4) in sequence through a pipeline. The output end of the third preheater (z4) is connected to the third evaporator (z7), the second evaporator (z6) and the first evaporator (z5) in sequence through a pipeline. The output end of the first evaporator (z5) is connected to the filter tank sewage storage tank (H6100) through a pipeline. The output ends of the first preheater (z2), the second preheater (z3) and the third preheater (z4) are respectively connected to the condensed water collection tank (z8) through pipelines.

6. The novel modified filter material sewage treatment equipment according to claim 5 is characterized in that: The first evaporator (z5.1) is provided in the first evaporator (z5), the second evaporator (z6) is provided in the second evaporator (z6.1), the third evaporator (z7) is provided in the third evaporator (z7.1), and the output end of the third evaporator (z7.1) is connected to the third preheater (z4) through a pipeline, the output end of the second evaporator (z6.1) is connected to the second preheater (z3) through a pipeline, and the output end of the first evaporator (z5.1) is connected to the first preheater (z2) through a pipeline.

7. The novel modified filter material sewage treatment equipment according to claim 6 is characterized in that: The evaporating steam in the inner cavity of the third evaporator (z7) is connected to the input port of the second evaporator (z6.1) in the second evaporator (z6) through the top pipeline, and the evaporating steam in the inner cavity of the second evaporator (z6) is connected to the input port of the first evaporator (z5) of the first evaporator (z5) through the top pipeline.

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