CN200954433Y - Fully-automatic ontine ammonium liquid filtering-purifying apparatus - Google Patents

Abstract

The utility model relates to a full-auto online amine-solution filtering and purifying device for desulfurizing amine solution, which are composed of two mesh type filters A which inclined slot wire metal filter meshes are embedded, a deep filter bed B, a superfine metal filter core type filter C and a bottom plate D, the inlet of the filter bed B is connected in parallel with the outlets of two mesh type filters A by pipeline, the outlet of the filter bed B is connected with the inlet of the filter core type filter C by pipeline, a grade 3 filtering and purifying device is arranged on the bottom plate D and are combined to an integer, the two mesh type filters A are provided with pressure sensors before and after filtering, one of the two mesh type filters A is to operate while the other one is standby, when in one filter A the pressure difference between before filtering and after filtering reaches the preset value, the operation will stop automatically and then backwashing will be performed, the other filter A will operate instead, the operation is performed repeatedly, in the filter bed B, large-capacity high-iodine value active carbon and multi-hole filter material are used to absorb the organic substances, in the core type filter C, multi-layer metal sinter filter core is used, therefore the utility model has the advantages of no gas resistance, classified filtering, combined assembly and high filtering precision and efficiency.

Description

Full-automatic online amine liquid filtering and purifying

Affiliated technical field

The utility model relates to a kind of contaminated desulfurization amine aqueous solution (suspension class solids, organic matter and thermally-stabilised salt are arranged in this amine aqueous solution), this amine aqueous solution is carried out on-line filtration purify the filtering and purifying that can carry out backwash automatically.

Background technology

It is means commonly used in the amine method desulfurization solvent cleaning system that desulfurization solvent is carried out filtration, purification, present domestic oil plant is usually in lean solution one side, 15-20% by the lean solution amount is provided with two-stage (filter cloth, pocket type or filter core+active carbon) or three grades of (pocket type+active carbon+pocket type) filters, this two-stage or three-stage filtration device all are at the scene each single component to be carried out installation by the user after factory makes, user and producer are brought some inconvenience, although these filtration means play certain mitigation to the pollution of amine liquid in actual use, all do not deal with problems at all.

The utility model content

The purpose of this utility model is to overcome at present the domestic used two-stage or the weak point of three-stage filtration purifier, provide a kind of filtration, purification effective, can solve that the refinery gas amine liquid for desulphurization pollutes, assemble the full-automatic online amine liquid filtering and purifying that all-in-one-piece, user can use after buying when three-stage filtration device manufactory dispatches from the factory.

The purpose of this utility model is achieved through the following technical solutions.Full-automatic online amine liquid filtering and purifying embeds shute thread metal screen formula filter A, deep layer filter bed B, hyperfine metal filtering core formula filter C and base plate D by two and forms.The import of deep layer filter bed B links with pipeline is in parallel with two outlets that embed shute thread metal screen formula filter A, the import of its outlet and hyperfine metal filtering core formula filter C links, and this A, B, C three-stage filtration purifier are assembled on the same base plate D and become one.Embed shute thread metal screen formula filter A by upper cover A-3, blow-down pipe A-1, hanger A-2, cylindrical shell A-5, feed pipe A-6, discharge nozzle A-12, backwash tube A-4, low head A-8, blow-off pipe A-9, support foot A-7 and metal screen formula assembly A-10 form, blow-down pipe A-1 and hanger A-2 are welded on the upper cover A-3, blow-off pipe A-9 is welded in the bottom of low head A-8, the upper end of cylindrical shell A-5 and upper cover A-3 link, lower end and low head A-8 link, metal screen formula assembly A-10 is contained on the cast step A-11 of position, middle and upper part in the cylindrical shell A-5, feed pipe A-6 is welded on the cylindrical shell A-5 of cast step A-11 below, discharge nozzle A-12 and backwash tube A-4 are welded on the cylindrical shell A-5 of cast step A-11 top, support foot A-7 is welded in the lower end part of cylindrical shell A-5, before the filter of metal screen formula assembly A-10 and after the filter pressure sensor Y is housed all.Metal screen formula assembly A-10 is made up of plectane A-10-1 and a plurality of metal filter cylinder A-10-2, links with screw thread between a plurality of metal filter cylinder A-10-2 and plectane A-10-1.Metal filter cylinder A-10-2 is welded after being wrapped on the cylindrical barrel of being made up of many steel wire F by triangular wire E helical form.One end of cylindrical barrel is an external screw thread.Deep layer filter bed B is by blow-down pipe B-1, hanger B-2, upper cover B-3, cylindrical shell B-5, feed pipe B-4, discharge nozzle B-7, two manhole B-6, low head B-8, blow-off pipe B-9, hide dirt device B-11, big porcelain ball B-12, little porcelain ball B-15, silk screen B-13, the high iodine number active carbon of big capacity of middle micropore prosperity and the mixture B-14 of porous active filtrate, gland B-16 and bearing B-10 form, blow-down pipe B-1, hanger B-2 and a manhole B-6 are welded in respectively on the upper cover B-3, blow-off pipe B-9 is welded in the outer bottom of low head B-8, hide the inner bottom part that dirty device B-11 is welded in low head B-8, this Tibetan dirt device B-11 basin body in a lot of holes that has been the brill put upside down, bearing B-10 is welded on the low head B-8, the upper end of cylindrical shell B-5 and upper cover B-3 link, lower end and low head B-8 link, feed pipe B-4 is welded in the close upper end of cylindrical shell B-5, discharge nozzle B-7 is welded in the close lower end of cylindrical shell B-5, bore a lot of holes on the length of discharge nozzle B-7 in cylindrical shell B-5, another manhole B-6 is welded in the top of discharge nozzle B-7 of the position, middle and lower part of cylindrical shell B-5, in low head B-8, amplify porcelain ball B-12 with the lower end of cylindrical shell B-5, discharge nozzle B-7 is ensconced in the big porcelain ball B-12, at big porcelain ball B-12 upper berth one deck silk screen B-13, the high iodine number active carbon of big capacity of micropore prosperity and the mixture B-14 of porous active filtrate during silk screen B-13 is put the top, B-14 is put to spreading one deck silk screen B-13 when the feed pipe B-4 thereon, on silk screen B-13, put little porcelain ball B-15 again, gland B-16 covers on little porcelain ball B-15, and the plane of gland B-16 is lower than feed pipe B-4.Hyperfine metal filtering core formula filter C is by upper cover C-3, blow-down pipe C-1, hanger C-2, cylindrical shell C-5, feed pipe C-6, discharge nozzle C-12, backwash tube C-4, low head C-7, blow-off pipe C-8, support foot C-9 and metal sintering net element kit C-10 form, blow-down pipe C-1 and hanger C-2 are welded on the upper cover C-3, blow-off pipe C-8 is welded in the bottom of low head C-7, the upper end of cylindrical shell C-5 and upper cover C-3 link, lower end and low head C-7 link, metal sintering net element kit C-10 is contained on the cast step C-11 of position, middle and upper part in the cylindrical shell C-5, feed pipe C-6 is welded on the cylindrical shell C-5 of cast step C-11 below, discharge nozzle C-12 makes on the cylindrical shell C-5 that backwash tube C-4 is welded in cast step C-11 top, support foot C-9 is welded in the lower end part of cylindrical shell C-5, metal sintering net element kit C-10 is made up of plectane (C-10-1) and a plurality of multiple layer metal sintering net filter cylinders (C-10-2), uses thread connection between a plurality of metal sintering net filter cylinders (C-10-2) and plectane (C-10-1).

The utility model is compared with the purifier of at present used amine method desulfurization solvent, having the three-stage filtration purifier is assembled on the base (plate) and becomes one, the user can use after buying, all bring convenience for the producer and user, because of adopting automatic backwash, overcome that traditional filter cloth efficient is low, backwash is frequent, the bag filter pollutant holding capability is little, the problem that the useless sack under changing can't be handled.The filtering accuracy height.The triangular wire E that embeds on the metal filter cylinder A-10-2 on the shute thread metal screen formula filter A shears brokenly bubble to the foam-like group that exists in the lean solution, destroys the elastic gel layer that forms foam, can not form advantages such as vapour lock.

Description of drawings

Accompanying drawing 1 is the structural representation (have two among this embodiment and embed shute thread metal screen formula filter A, deep layer filter bed B, a hyperfine metal filtering core formula filter C) of an embodiment of the present utility model, Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the structural representation (have two among this embodiment and embed shute thread metal screen formula filter A, two deep layer filter bed B, two hyperfine metal filtering core formula filter C) of another embodiment.Fig. 4 is the vertical view of Fig. 3, Fig. 5 is the structural representation that embeds shute thread metal screen formula filter A, Fig. 6 is the structural representation of metal screen formula assembly A-10, Fig. 7 is the structural representation of metal filter cylinder A-10-2 among Fig. 6, Fig. 8 is the enlarged drawing of Fig. 7, Fig. 9 is the structural representation of deep layer filter bed B, and Figure 10 is the structural representation of hyperfine metal filtering core formula filter C, and Figure 11 is the structural representation of metal sintering element kit C-10.Figure 12 is the structural representation of metal sintering filter cylinder among the hyperfine metal filtering core formula filter C.Disproportionate between each accompanying drawing, only show its structure.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is explained, embedding upper cover A-3 among the shute thread metal screen formula filter A and the connection between cylindrical shell A-5 in force should connect with flange, the connection of cylindrical shell A-5 and low head A-8 should be used welding, upper cover C-3 on the hyperfine metal filtering core formula filter C and the connection between cylindrical shell C-5 should connect for well with flange, the connection of cylindrical shell C-5 and low head C-7 should be used welding, connecting with being welded as between the cylindrical shell B-5 on the deep layer filter bed B and upper cover B-3, low head B-8.Embed shute thread metal screen formula filter A, deep layer filter bed B and hyperfine metal filtering core formula filter C, the three-stage filtration purifier will carry out the water pressure test and air-tight test (the high iodine number active carbon of big capacity of micropore prosperity and the mixture B-14 of porous active filtrate in not putting among the deep layer filter bed B during test after manufacturing finishes, big porcelain ball B-12, little porcelain ball B-15 and silk screen B-13), the pressure of the water pressure test and air-tight test is that 1.5 times of operating pressure are advisable, on two embedding shute thread metal screen formula filter A, to be equipped with an electronic-controlled installation, this embedding shute thread metal screen formula filter A that uses when pressure and filter back pressure differ setting numerical value before filtering quits work, another embeds shute thread metal screen formula filter A work, out-of-work that promptly carries out backwash automatically, when waiting before the filter of another embedding shute thread metal screen formula filter A that is using the pressure reduction after the filter to reach setting value after backwash finishes to quit work, restart work, another carries out backwash, so moves in circles.Two inlet tubes that embed shute thread metal screen formula filter A and material are in parallel with outlet.In actual use, deep layer filter bed B and hyperfine metal filtering core formula filter C are with one or two, decide on the size of the flow in the filtration, if filtering traffic is big, then use two deep layer filter bed B and two hyperfine metal filtering core formula filter C, otherwise then use a deep layer filter bed B and a hyperfine metal filtering core formula filter C.

The course of work of the present utility model is: contaminated amine liquid for desulphurization enters from the feed pipe A-6 that embeds shute thread metal screen formula filter A and embeds shute thread metal screen formula filter A, a large amount of solid granular materials that exist in the amine liquid are filtered, amine liquid after the filtration flows out from discharge nozzle A-12, enter deep layer filter bed B from the feed pipe B-4 of deep layer filter bed B, deep layer filter bed B is to (the hydro carbons lime set of the organic matter in the amine liquid, surface-active class material, lubricated lipid, the oxidative degradation class residue that goes bad) adsorbs, amine liquid after the absorption flows out from discharge nozzle B-7, enter hyperfine metal filtering core formula filter C from the feed pipe C-6 of hyperfine metal filtering core formula filter C, remaining trace suspension shape solid in the amine liquid is further filtered.Filter through the online modular filter device of stage high-effective of the present utility model, can realize the purifying of amine substantially, alleviate the foaming of amine liquid greatly, reduce the race of amine liquid in sweetening process and decrease.

Claims (7)

1, a kind of full-automatic online amine liquid filtering and purifying, it is characterized in that embedding shute thread metal screen formula filter A, deep layer filter bed B, hyperfine metal filtering core formula filter C and base plate D by two forms, the import of deep layer filter bed B links with pipeline is in parallel with two outlets that embed shute thread metal screen formula filter A, the import of its outlet and hyperfine metal filtering core formula filter C links with pipeline, and this A, B, C three-stage filtration purifier are assembled on the same base plate D and are integral.

2, by the described full-automatic online amine liquid filtering and purifying of claim 1, it is characterized in that embedding shute thread metal screen formula filter A by upper cover (A-3), blow-down pipe (A-1), hanger (A-2), cylindrical shell (A-5), feed pipe (A-6), discharge nozzle (A-12), backwash tube (A-4), low head (A-8), blow-off pipe (A-9), support foot (A-7) and metal screen formula assembly (A-10) are formed, blow-down pipe (A-1) and hanger (A-2) are welded on the upper cover (A-3), blow-off pipe (A-9) is welded in the bottom of low head (A-8), the upper end of cylindrical shell (A-5) and upper cover (A-3) link, lower end and low head (A-8) link, metal screen formula assembly (A-10) is contained on the cast step (A-11) of the interior middle and upper part of cylindrical shell (A-5), feed pipe (A-6) is welded on the cylindrical shell (A-5) of cast step (A-11) below, discharge nozzle (A-12) and backwash tube (A-4) are welded on the cylindrical shell (A-5) of cast step (A-11) top, support foot (A-7) is welded in the lower end part of cylindrical shell (A-5), before the filter of metal screen formula assembly (A-10) and after the filter pressure sensor (Y) is arranged all.

3, by claim 1 or 2 described full-automatic online amine liquid filtering and purifyings, it is characterized in that metal screen formula assembly (A-10) is made up of plectane (A-10-1) and a plurality of metal filter cylinder (A-10-2), link with screw thread between a plurality of metal filter cylinders (A-10-2) and plectane (A-10-1).

4, by the described full-automatic online amine liquid filtering and purifying of claim 3, it is characterized in that being welded after metal filter cylinder (A-10-2) is wrapped on the cylindrical barrel of being made up of many steel wire F by triangular wire E helical form, an end of cylindrical barrel is an external screw thread.

5, by the described full-automatic online amine liquid filtering and purifying of claim 1, it is characterized in that deep layer filter bed B is by blow-down pipe (B-1), hanger (B-2), upper cover (B-3), cylindrical shell (B-5), feed pipe (B-4), discharge nozzle (B-7), two manholes (B-6), low head (B-8), blow-off pipe (B-9), hide dirt device (B-11), big porcelain ball (B-12), little porcelain ball (B-15), silk screen (B-13), the high iodine number active carbon of big capacity of middle micropore prosperity and the mixture (B-14) of porous active filtrate, gland (B-16) and bearing (B-10) are formed, blow-down pipe (B-1), a hanger (B-2) and a manhole (B-6) are welded in respectively on the upper cover (B-3), blow-off pipe (B-9) is welded in the outer bottom of low head (B-8), hide the inner bottom part that dirt device (B-11) is welded in low head (B-8), this Tibetan dirt device (B-11) for the brill put upside down the basin body in a lot of holes, bearing (B-10) is welded on the low head (B-8), the upper end of cylindrical shell (B-5) and upper cover (B-3) link, lower end and low head (B-8) link, feed pipe (B-4) is welded in the close upper end of cylindrical shell (B-5), discharge nozzle (B-7) is welded in the close lower end of cylindrical shell (B-5), bore a lot of holes on the length of discharge nozzle (B-7) in cylindrical shell (B-5), another manhole (B-6) is welded in the top of the discharge nozzle (B-7) of cylindrical shell (B-5) position, middle and lower part, porcelain ball (B-12) is amplified in lower end at low head (B-8) and cylindrical shell (B-5), discharge nozzle (B-7) is ensconced in the big porcelain ball (B-12), at big porcelain ball (B-12) upper berth one deck silk screen (B-13), the high iodine number active carbon of big capacity of micropore prosperity and the mixture (B-14) of porous active filtrate during put silk screen (B-13) top, (B-14) put to repaving one deck silk screen (B-13) when the feed pipe (B-4) thereon, on silk screen (B-13), put little porcelain ball (B-15) again, gland (B-16) covers on little porcelain ball (B-15), and the plane of gland (B-16) is lower than feed pipe (B-4).

6, by the described full-automatic online amine liquid filtering and purifying of claim 1, it is characterized in that hyperfine metal filtering core formula filter C is by upper cover (C-3), blow-down pipe (C-1), hanger (C-2), cylindrical shell (C-5), feed pipe (C-6) discharge nozzle (C-12), backwash tube (C-4), low head (C-7), blow-off pipe (C-8), support foot (C-9) and metal sintering element kit (C-10) are formed, blow-down pipe (C-1) and hanger (C-2) are welded on the upper cover (C-3), blow-off pipe (C-8) is welded in the bottom of low head (C-7), the upper end of cylindrical shell (C-5) and upper cover (C-3) link, lower end and low head (C-7) link, metal sintering net element kit (C-10) is contained on the cast step (C-11) of position, the interior middle and upper part of cylindrical shell (C-5), feed pipe (C-6) is welded on the cylindrical shell (C-5) of cast step (C-11) below, discharge nozzle (C-12) and backwash tube (C-4) are welded on the cylindrical shell (C-5) of cast step (C-11) top, and support foot (C-9) is welded in the lower end part of cylindrical shell (C-5).

7, by claim 1 or 6 described full-automatic online amine liquid filtering and purifyings, it is characterized in that metal sintering net element kit (C-10) is made up of plectane (C-10-1) and a plurality of metal sintering net filter cylinders (C-10-2), use thread connection between a plurality of multiple layer metal sintering net filter cylinders (C-10-2) and plectane (C-10-1).

Images