CN211871477U - Filter element type oily sewage coalescence-separation device - Google Patents
Filter element type oily sewage coalescence-separation device Download PDFInfo
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- CN211871477U CN211871477U CN201922302713.4U CN201922302713U CN211871477U CN 211871477 U CN211871477 U CN 211871477U CN 201922302713 U CN201922302713 U CN 201922302713U CN 211871477 U CN211871477 U CN 211871477U
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Abstract
The utility model relates to a filter element type oily sewage coalescence-separation device, which comprises a shell end cover, a shell, a feeding valve plate and a filter element group; the left side of the shell is provided with a detachable shell end cover, and the right side of the shell is provided with an oil collecting bag and a water outlet pipe; the shell comprises a filter element working section, an oil drop floating section and a separation section from left to right in sequence. The free end of the filter element of the utility model is close to one side of the shell end cover, the filter element is simple and convenient to disassemble and install, and the labor intensity of the operation is greatly reduced; the feeding section of the utility model is contained in the oil drop floating section, so the total length of the shell is changed into the sum of the oil drop floating section and the length of the working section of the filter element, the size of the device is reduced, and the production cost is reduced; the utility model discloses the inside flow field design of casing has obtained improving, and the inside rivers flow direction of filter core and the outside rivers flow direction of filter core are opposite, have improved the coalescence effect of coalescence filter core and the separation effect of oil drop come-up, have improved water oil separating's efficiency and precision.
Description
Technical Field
The utility model relates to an oily sewage purification technical field especially relates to a filter element formula oily sewage coalescence-separation ware.
Background
Oil-containing sewage is generated in various industries such as oil exploitation, oil and gas storage and transportation, oil refining, coal chemical industry, metal processing, mechanical manufacturing, mechanical repair and the like. The main pollutants of the oily sewage comprise petroleum pollutants, COD, sulfides, ammonia nitrogen, volatile phenol and the like; if the oily sewage is directly discharged, serious harm is caused to water and soil. Therefore, effective technical means are adopted to effectively treat the oil (hydrocarbons) contained in the water so as to ensure that the oil reaches the safe discharge standard.
The treatment technology of the oily wastewater comprises a gravity separation method, a centrifugal separation method, a coalescence separation method, an air floatation method, a coagulation method, a salting-out method and the like, wherein the coalescence separation method can realize the high-efficiency separation of oil and water and is widely applied.
The coalescers are divided into a filter element type coalescer and a filler type coalescer, and the filter element type coalescer has the characteristics of high deoiling efficiency and high deoiling precision, so that the coalescer is widely applied to occasions with higher requirements on oil content.
The traditional filter element type coalescence separator structure comprises two conditions shown in figures 1 and 2, wherein the filter element type coalescence separator in figure 1 comprises a shell 1-1, a feeding pipe 1-2, a partition plate 1-3, a filter element group 1-4 (comprising a plurality of filter elements), an end cover 1-5, an oil collection bag 1-6, an oil outlet 1-7 and a water outlet pipe 1-8, the filter element type coalescence separator in figure 2 comprises a shell two 2-1, a feeding pipe two 2-2, a partition plate two 2-3, a filter element group two 2-4 (comprising a plurality of filter elements), an end cover two 2-5, an oil collection bag two 2-6, an oil outlet two 2-7 and a water outlet pipe two 2-8, and the two conditions shown in figures 1 and 2 are different in that the end cover 1-5 and the end cover two 1-6 are respectively positioned at two ends of the separator, the interior of the coalescence separator with the two structures is sequentially divided into a feeding section L3, a filter element working section L2 and an oil drop floating section L1, the work process is that feeding is carried out from the feeding section L3, oil and water are separated through demulsification after passing through the filter element working section L2, oil drops float upwards and sink in the oil drop floating section L1, finally the oil drops are gathered from a first oil collecting bag 1-6 or a second oil collecting bag 2-6 and finally discharged from the first oil outlet 1-7 or the second oil outlet 2-7, and water is discharged from a first water outlet pipe 1-8 or a second water outlet pipe 2-8. In the two working modes, the length of the filter element group I1-4 from the end cover I1-5 and the length of the filter element group II 2-4 from the end cover II 2-5 are both longer, so that the filter element is difficult to disassemble and assemble, and the labor cost is higher; the feeding section L3 of the traditional filter element type coalescer cannot play a role of floating oil drops, so that the total length of the coalescer, namely the total length of L1, L2 and L3 is overlong, the occupied space is large, the equipment size is large, and the manufacturing cost is high; the flow field in the coalescer is unreasonable in design, the flow direction of water flow in the filter element is consistent with that of water flow in the outside, and the coalescing effect and the floating effect are not good enough and need to be improved.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a filter element type oily sewage coalescence-separation device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a filter element type oily sewage coalescence-separation device comprises a shell end cover, a shell, a feeding valve plate and a filter element group;
the left side of the shell is provided with a detachable shell end cover, and the right side of the shell is provided with an oil collecting bag and a water outlet pipe;
the shell comprises a filter element working section, an oil drop floating section and a separation section from left to right in sequence;
the feeding valve plate and the filter element group are arranged in the shell;
the filter element group is positioned at the working section of the filter element, and the feeding flow distribution plate is positioned at the oil drop floating section;
the open end of the filter element group is arranged on the feeding valve plate, and the blind end of the filter element group faces the end cover of the shell.
The shell is communicated with a feeding pipe, and the tail end of the feeding pipe is communicated with the middle of the feeding port plate.
The inlet pipe is located oil droplet upper floating section, and the inlet pipe is located the left side of oil collection package.
The oil collecting bag is fixed on the top wall of the separation section, the oil collecting bag is of a cylindrical structure, the lower end of the oil collecting bag is communicated with the inside of the shell, an oil outlet is formed in the top of the oil collecting bag, the water outlet pipe is fixed on the right side wall of the separation section, the filter element group comprises a plurality of filter elements, the outer diameter of the feeding valve plate is smaller than the inner diameter of the shell, the feeding valve plate is of a cylindrical structure with two ends being blocked, a plurality of mounting holes are formed in the left end face of the feeding valve plate, and the plurality of filter elements are detachably mounted on the mounting holes in a one.
The utility model has the advantages that: the free end of the filter element of the utility model is close to one side of the shell end cover, the filter element is simple and convenient to disassemble and install, and the labor intensity of the operation is greatly reduced; the feeding section of the utility model is contained in the oil drop floating section, so the total length of the shell is changed into the sum of the oil drop floating section and the length of the working section of the filter element, the size of the device is reduced, and the production cost is reduced; the utility model discloses the inside flow field design of casing has obtained improving, and the inside rivers flow direction of filter core and the outside rivers flow direction of filter core are opposite, have improved the coalescence effect of coalescence filter core and the separation effect of oil drop come-up, have improved water oil separating's efficiency and precision.
Drawings
FIG. 1 is a schematic view showing the internal structure of a conventional coalescing separator of the filter cartridge type;
FIG. 2 is a schematic view showing the internal structure of a conventional coalescer element;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a left side view of the feed port plate of the present invention;
FIG. 5 is a schematic view of the flow direction of liquid in the filter element according to the present invention;
in the figure: 1-1, a first shell; 1-2, a feeding pipe I; 1-3, a first clapboard; 1-4, a first filter element group; 1-5, end cover one; 1-6, collecting oil; 1-7, a first oil outlet; 1-8, a first water outlet pipe; 2-1, a second shell; 2-2, feeding a pipe II; 2-3, a second clapboard; 2-4, and a second filter element group; 2-5, and a second end cover; 2-6, and an oil collecting bag II; 2-7 and an oil outlet II; 2-8 water outlet pipe II; 3-1, a shell; 3-2, a feeding pipe; 3-3, a feeding valve plate; 3-4, a filter element group; 3-5, a shell end cover; 3-6, oil collection; 3-7, oil outlet; 3-8, water outlet pipe;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further described with reference to the following examples:
as shown in fig. 3 to 5, a filter element type oily sewage coalescing separator comprises a shell end cover 3-5, a shell 3-1, a feeding port plate 3-3 and a filter element group 3-4;
a detachable shell end cover 3-5 is arranged on the left side of the shell 3-1, and an oil collecting bag 3-6 and a water outlet pipe 3-8 are arranged on the right side;
the shell 3-1 sequentially comprises a filter element working section, an oil drop floating section and a separation section from left to right, and the feeding valve plate 3-3 and the filter element group 3-4 are arranged inside the shell 3-1;
the filter element group 3-4 is positioned in the working section of the filter element, and the feeding valve plate 3-3 is positioned in the oil drop floating section;
the open end of the filter element group 3-4 is arranged on the feeding port plate 3-3, and the blind end of the filter element group 3-4 faces the shell end cover 3-5.
The shell 3-1 is communicated with a feed pipe 3-2, and the tail end of the feed pipe 3-2 is communicated with the middle part of the feed port plate 3-3.
The feeding pipe 3-2 is positioned at the oil drop floating section, and the feeding pipe 3-2 is positioned at the left side of the oil collecting bag 3-6.
The oil collecting bag 3-6 is fixed on the top wall of the separation section, the oil collecting bag 3-6 is of a cylindrical structure, the lower end of the oil collecting bag is communicated with the inside of the shell 3-1, an oil outlet 3-7 is formed in the top of the oil collecting bag 3-6, the water outlet pipe 3-8 is fixed on the right side wall of the separation section, the filter element group 3-4 comprises a plurality of filter elements, the outer diameter of the feeding valve plate 3-3 is smaller than the inner diameter of the shell 3-1, the feeding valve plate 3-3 is of a cylindrical structure with two ends plugged, a plurality of mounting holes are formed in the left end face of the feeding valve plate 3-3, and the filter elements are detachably mounted on the mounting holes in a one-to-one.
And connecting flanges are arranged on the opposite surfaces of the shell end cover 3-5 and the shell 3-1, fastening bolts are arranged between the two groups of connecting flanges, and the tail ends of the fastening bolts are screwed with nuts for fixing.
A sealing gasket is arranged between the shell end cover 3-5 and the connecting flange of the shell 3-1.
The oil collecting bag 3-6 is fixed on the side wall of the shell 3-1 by welding.
The feed pipe 3-2 is fixed on the side wall of the shell 3-1 by welding.
The water outlet pipe 3-8 is fixed on the side wall of the shell 3-1 by welding.
The outer surface of the mounting hole of the feeding valve plate 3-3 is provided with threads, the filter element mounting end of the filter element group 3-4 is provided with internal threads, and the filter element is screwed on the mounting hole through the internal threads.
And sealing rubber rings are arranged between the filter elements of the filter element group 3-4 and the mounting holes on the feeding valve plate 3-3.
The utility model discloses a coalescence-separation ware is when using, oily sewage passes through inlet pipe 3-2 and gets into feeding valve plate 3-3, reentrant each filter core of filter core group 3-4, oily sewage flows through each filter core of filter core group 3-4 from inside to outside, oil content (hydrocarbons) grow up at the surface coalescence of filter core, form jumbo size oil drip, oil drip after the coalescence flows to the right side along with rivers, in oil drip come-up section, oil drip is because density is little and come-up than water, fluid after the come-up collects in gathering oil package 3-6, after reaching certain volume, discharge from oil-out 3-7, moisture after the separation flows from bottom outlet pipe 3-8, thereby oil-water separation has been realized.
The outer diameter of the feeding port plate 3-3 is smaller than the inner diameter of the shell 3-1, and an annular gap formed between the outer wall of the feeding port plate 3-3 and the inner wall of the shell 3-1 is used as a flow channel to allow water flow to flow from the filter element working section to the oil drop floating section.
The water flow direction of each filter element in the filter element groups 3-4 is as follows: the water flows inside the filter element from the inlet end to the blind end of the filter element and flows through the filter element from the inside to the outside, and the water flows outside the filter element from the blind end to the inlet end of the filter element, so that the flow direction inside the filter element is opposite to the flow direction outside the filter element.
When the filter element needs to be replaced, the bolt between the shell 3-1 and the shell end cover 3-5 connecting flange is used for opening the shell end cover 3-5, and the filter element is replaced from the opening end of the shell 3-1, the free end of the filter element of the utility model is close to one side of the shell end cover 3-5, the disassembly and the installation of the filter element are simple and convenient, and the labor intensity of the operation is greatly reduced.
The utility model discloses well feeding section contains in oil drips come-up section, therefore the total length of casing 3-1 becomes oil drips come-up section and filter core working segment length sum, has reduced the size of equipment, has reduced manufacturing cost.
The utility model discloses the inside flow field design of casing 3-1 has been improved, and the inside rivers flow direction of filter core and the outside rivers flow direction of filter core are opposite, have improved the coalescence effect of coalescence filter core and the separation effect of oil drop come-up, have improved water oil separating's efficiency and precision.
The above exemplary description of the present invention is provided, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or direct application to other occasions without improvement are all within the protection scope of the present invention.
Claims (4)
1. A filter element type oily sewage coalescence-separation device is characterized by comprising a shell end cover (3-5), a shell (3-1), a feeding flow distribution plate (3-3) and a filter element group (3-4);
a detachable shell end cover (3-5) is arranged on the left side of the shell (3-1), and an oil collecting bag (3-6) and a water outlet pipe (3-8) are arranged on the right side;
the shell (3-1) sequentially comprises a filter element working section, an oil drop floating section and a separation section from left to right;
the feeding port plate (3-3) and the filter element group (3-4) are arranged inside the shell (3-1);
the filter element group (3-4) is positioned at the working section of the filter element, and the feeding valve plate (3-3) is positioned at the oil drop floating section;
the open end of the filter element group (3-4) is arranged on the feeding port plate (3-3), and the blind end of the filter element group (3-4) faces the shell end cover (3-5).
2. The filter element type oily sewage coalescence-separation device according to claim 1, characterized in that the shell (3-1) is communicated with a feed pipe (3-2), and the tail end of the feed pipe (3-2) is communicated with the middle part of the feed port plate (3-3).
3. The filter element type oily sewage coalescing separator according to claim 2, wherein the feeding pipe (3-2) is positioned at the oil drop floating section, and the feeding pipe (3-2) is positioned at the left side of the oil collecting pocket (3-6).
4. The filter element type oily sewage coalescer according to claim 3, the oil collecting bag (3-6) is fixed on the top wall of the separation section, the oil collecting bag (3-6) is of a cylindrical structure, the lower end of the oil collecting bag is communicated with the inside of the shell (3-1), the top of the oil collecting bag (3-6) is provided with an oil outlet (3-7), the water outlet pipe (3-8) is fixed on the right side wall of the separation section, the filter element group (3-4) comprises a plurality of filter elements, the outer diameter of the feeding valve plate (3-3) is smaller than the inner diameter of the shell (3-1), the feeding valve plate (3-3) is of a cylindrical structure with two ends plugged, a plurality of mounting holes are formed in the left end face of the feeding valve plate (3-3), and a plurality of filter elements are detachably mounted on the mounting holes in a one-to-one correspondence mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302713.4U CN211871477U (en) | 2019-12-20 | 2019-12-20 | Filter element type oily sewage coalescence-separation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302713.4U CN211871477U (en) | 2019-12-20 | 2019-12-20 | Filter element type oily sewage coalescence-separation device |
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| CN211871477U true CN211871477U (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003748A (en) * | 2019-12-20 | 2020-04-14 | 紫荆三益过滤技术有限责任公司 | Filter element type oily sewage coalescence-separation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003748A (en) * | 2019-12-20 | 2020-04-14 | 紫荆三益过滤技术有限责任公司 | Filter element type oily sewage coalescence-separation device |
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