CN114602228A - Horizontal amine liquid filter with gas and liquid auxiliary displacement flushing - Google Patents
Horizontal amine liquid filter with gas and liquid auxiliary displacement flushing Download PDFInfo
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- CN114602228A CN114602228A CN202210247123.XA CN202210247123A CN114602228A CN 114602228 A CN114602228 A CN 114602228A CN 202210247123 A CN202210247123 A CN 202210247123A CN 114602228 A CN114602228 A CN 114602228A
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- 239000007788 liquid Substances 0.000 title claims abstract description 123
- 150000001412 amines Chemical class 0.000 title claims abstract description 68
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 43
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 60
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000011001 backwashing Methods 0.000 claims abstract description 11
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 45
- 238000005406 washing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a horizontal amine liquid filter with gas and liquid auxiliary displacement flushing, and belongs to the technical field of amine liquid filtering devices. The device comprises an underframe assembly, a feeding assembly, a filtering assembly, a discharging assembly and a bypass assembly, wherein the whole body is fixed on an operation plane through the underframe assembly, and a material placing underframe can be accurately adjusted in a certain angle range relative to a base so as to enable the filtering assembly to be positioned at different inclination angles; through the nitrogen gas replacement inlet pipe, the emptying inlet pipe and the cleaning water replacement inlet pipe arranged in the feeding assembly and the nitrogen gas replacement outlet pipe and the cleaning water replacement outlet pipe arranged in the discharging assembly, the normal filtering state, the flushing state, the nitrogen gas replacement, the cleaning water backwashing and the cleaning water discharge of the filtering assembly can be realized, and the device has the advantages of high efficiency and environmental protection.
Description
Technical Field
The invention relates to the technical field of amine liquid filtering devices, in particular to a horizontal amine liquid filter with gas liquid auxiliary displacement flushing.
Background
In petroleum refining and fine chemical engineering processes, a desulfurization and decarburization solvent is usually used for removing acidic gases such as hydrogen sulfide and carbon dioxide, the solvent is repeatedly recycled in the whole absorption-desorption process, and the solvent is continuously degraded along with the lapse of time due to the invasion of upstream processes and external impurities, the formation of corrosion products and the like, and the maintenance of the cleanness of an amine liquid is the basis for ensuring the desulfurization and decarburization efficiency of the solvent and the stable operation of the device.
Therefore, the amine liquid needs to be filtered to ensure a clean use state of the amine liquid, the traditional method for keeping the amine liquid clean is to filter the impurities in the amine liquid by using a filtering device, and after a filter element in the filtering device is used for a period of time, the filtering effect of the filter element is reduced due to the accumulation of the impurities, so that the filter element for filtering needs to be cleaned periodically.
Traditional filter is mostly vertical structure, the scope of back flush also is limited only to straining the inside simple washing of section of thick bamboo, can not do further processing to the amine liquid that the back flush was washed out in the filter core, can make and strain remaining amine liquid and discharge in the external environment, neither environmental protection, simultaneously again very big reduction the utilization ratio of amine liquid, consequently need change the direction of placing of filter, make its horizontal placing, and have certain inclination, in order to make things convenient for the comprehensive washing to the filter core, and will remain the amine liquid replacement in straining a section of thick bamboo through the gas-liquid replacement and come out, both environmental protection, practice thrift the cost again.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a horizontal amine liquid filter with gas and liquid auxiliary displacement flushing, which comprises a filtering assembly, an underframe assembly, a feeding assembly, a discharging assembly and a bypass assembly, wherein the underframe assembly comprises a bottom fixing seat, a material placing underframe and a rear vertical frame;
a bottom fixing seat in the bottom frame assembly is a placing base body, a material placing bottom frame is arranged on the upper side of the front end of the bottom fixing seat in a rotating mode, a group of transmission mechanisms are arranged between the rear end of the bottom fixing seat and the rear end of the material placing bottom frame and can adjust the included angle of the material placing bottom frame relative to the bottom fixing seat, and a rear vertical frame is vertically connected to the upper side of the rear end of the material placing bottom frame;
a feeding main pipe in the feeding assembly is transversely and fixedly connected above the rear vertical frame, the left end and the right end of the feeding main pipe are respectively provided with a corresponding valve, a nitrogen replacement inlet pipe, an emptying inlet pipe and a cleaning water replacement inlet pipe are sequentially connected in a main pipeline of the feeding main pipe from left to right, and the top ends of the nitrogen replacement inlet pipe, the emptying inlet pipe and the cleaning water replacement inlet pipe are respectively provided with a corresponding valve;
the liquid inlet end of the filtering assembly is connected with a main pipeline of a feeding main pipe through a corresponding valve, the main body of the filtering assembly is fixedly connected with a rear vertical frame, the filtering assembly has a certain downward inclined angle, a discharging main pipe in the discharging assembly is transversely arranged at the liquid outlet end of the filtering assembly, the left end and the right end of the discharging main pipe are respectively provided with a corresponding valve, the liquid outlet end of the filtering assembly is connected with the main pipeline of the discharging main pipe through a corresponding valve, the left side and the right side of the lower end of the main pipeline of the discharging main pipe are respectively connected with a nitrogen displacement outlet pipe and a cleaning water displacement outlet pipe, and the outer ends of the nitrogen displacement outlet pipe and the cleaning water displacement outlet pipe are respectively provided with a corresponding valve;
the valve department at the feeding house steward left end is connected to the right-hand member of inlet pipe tee bend in the bypass assembly, the valve department at the discharging house steward left end is connected to the right-hand member of discharging pipe tee bend, be connected with corresponding valve between the upper end of inlet pipe tee bend's lower extreme and discharging pipe tee bend.
Two groups of angle adjusting bases in the underframe assembly are respectively fixed on two sides of the front end of the angle adjusting base, an adjusting base shaft is jointly inserted and fixed between the two groups of angle adjusting bases, an adjusting coupling seat is fixedly connected to the lower side of the front end of the material placing underframe, and the adjusting coupling seat is rotatably connected in the adjusting base shaft;
two groups of lifting connecting seats are correspondingly fixed at the lower side of the rear end of each lifting connecting seat, a lifting connecting shaft is fixedly inserted between the two groups of lifting connecting seats, lifting connecting rods are symmetrically fixed in the lifting connecting shaft, lifting chutes are arranged at the lower sides of two groups of lifting connecting rods, the two groups of lifting chutes are fixed on the upper frame of the base fixing seat, connecting rod shafts are connected in the two groups of lifting chutes in a sliding manner, the lower ends of the two groups of lifting connecting rods are respectively connected and fixed at the two outer ends of the connecting rod shafts, the middle position of the connecting rod shaft is fixedly connected with a jacking seat, the outer end of the jacking seat is rotatably connected with an adjusting bolt, the rear ends of the two groups of lifting chutes are fixedly connected with an adjusting rear seat, a threaded hole corresponding to the adjusting bolt is formed in the adjusting rear seat, the main body of the adjusting bolt is in threaded connection with the threaded hole of the adjusting rear seat, and the rear end of the adjusting bolt is also connected with an adjusting handle;
two groups of feed pipe supports in the feed assembly are respectively fixed at the same height at the upper end of the rear vertical frame, the main body of the feed main pipe is connected and fixed at the upper ends of the two groups of feed pipe supports, an amine liquid feed valve is connected at a liquid inlet at the left end of the feed pipe support, and a cleaning water backwashing outlet valve is connected at a liquid outlet at the right end of the feed pipe support;
the lower end of the main pipeline of the feeding main pipe is sequentially connected with a first-stage filter cylinder connecting pipe, a second-stage filter cylinder connecting pipe, a third-stage filter cylinder connecting pipe and a fourth-stage filter cylinder connecting pipe from left to right;
the top end of the nitrogen replacement inlet pipe is connected with a nitrogen replacement inlet valve, the top end of the emptying inlet pipe is connected with an emptying valve, and the top end of the cleaning water replacement inlet pipe is connected with a cleaning water replacement inlet valve;
the liquid inlet end of a first-stage filter cylinder in the filter assembly is connected with a first-stage filter cylinder connecting pipe through a first-stage filter cylinder valve, the second-stage filter cylinder connecting pipe is connected with the liquid inlet end of a second-stage filter cylinder through a second-stage filter cylinder valve, the third-stage filter cylinder connecting pipe is connected with the liquid inlet end of a third-stage filter cylinder through a third-stage filter cylinder valve, and the fourth-stage filter cylinder connecting pipe is connected with the liquid inlet end of a fourth-stage filter cylinder through a fourth-stage filter cylinder valve;
a filter cylinder underframe is fixedly connected in the rear vertical frame, and the first-stage filter cylinder, the second-stage filter cylinder, the third-stage filter cylinder and the fourth-stage filter cylinder are fixedly connected to the upper end of the filter cylinder underframe;
a first-stage filter cylinder outlet pipe, a second-stage filter cylinder outlet pipe, a third-stage filter cylinder outlet pipe and a fourth-stage filter cylinder outlet pipe are respectively connected to positions, corresponding to the liquid outlets of the first-stage filter cylinder, the second-stage filter cylinder, the third-stage filter cylinder and the fourth-stage filter cylinder, of a main pipeline of a discharge header pipe in the discharge assembly;
a discharging pipe frame is fixedly connected between the lower end of the filter cylinder underframe and the upper end of the material placing underframe, and the discharging main pipe is transversely fixedly connected with the upper end of the discharging pipe frame;
a liquid outlet at the left end of the discharge main pipe is connected with an amine liquid discharge valve, and a liquid inlet at the right end of the discharge main pipe is connected with a cleaning water backwashing inlet valve;
the outer end of the nitrogen displacement outlet pipe is connected with a nitrogen displacement outlet valve, and the outer end of the cleaning water displacement outlet pipe is connected with a cleaning water displacement outlet valve.
Furthermore, the placing direction of the two groups of lifting chutes is spatially vertical to the rotating direction of the material placing underframe, and the sliding direction of the connecting rod shaft is vertical to the placing direction of the lifting chutes.
Further, the filter cartridge chassis has a downward sloping angle.
Furthermore, a first-stage filter element is arranged in the inner cavity of the first-stage filter cylinder, a second-stage filter element is arranged in the inner cavity of the second-stage filter cylinder, a third-stage filter element is arranged in the inner cavity of the third-stage filter cylinder, and a fourth-stage filter element is arranged in the inner cavity of the fourth-stage filter cylinder.
Furthermore, the bypass assembly further comprises a bypass valve, the right end of the feeding pipe tee joint is connected to the amine liquid feeding valve, the right end of the discharging pipe tee joint is connected to the amine liquid discharging valve, and the bypass valve is connected between the lower end of the feeding pipe tee joint and the upper end of the discharging pipe tee joint.
Compared with the existing amine liquid filtering device, the horizontal amine liquid filter with gas liquid auxiliary displacement flushing provided by the invention has the following advantages:
(1) according to the invention, each stage of filter cylinder in the filter assembly is in a horizontal inclined state, and through the operation of the underframe assembly, the inclination angle of each stage of filter cylinder can be accurately adjusted within the range of 5-10 degrees according to the actual installation condition, so that the service efficiency of each stage of filter element can be more fully utilized.
(2) The invention is provided with nitrogen replacement, the amine liquid in the filtering assembly can be replaced by adopting nitrogen, the nitrogen is introduced from the nitrogen replacement inlet pipe, the nitrogen replacement inlet valve and the nitrogen replacement outlet valve are opened, the primary filter cylinder valve is opened, and other valves except the bypass valve are all closed. And the nitrogen enters the filtering assembly, the amine liquid in the first-stage filter cylinder is displaced, the nitrogen flows through the first-stage filter cylinder valve, the displacement of the first-stage filter cylinder is completed after a period of nitrogen treatment, the displacement of the second-stage filter cylinder, the third-stage filter cylinder and the fourth-stage filter cylinder is completed by analogy in sequence, the waste of the amine liquid is avoided, and meanwhile, the next step is avoided.
(3) The invention also arranges the replacement of cleaning water, opens the emptying valve, opens for a period of time, and closes after the filter assembly is emptied. And (3) opening a cleaning water replacement inlet valve, enabling cleaning water to enter the filtering assembly from a cleaning water replacement inlet pipe, opening a first-stage filter cylinder valve, opening a cleaning water replacement outlet valve, closing all other valves except the bypass valve, performing replacement flushing on amine liquid materials remained on impurities accumulated on the surface of a first-stage filter element in the first-stage filter cylinder, and discharging the amine liquid materials through the cleaning water replacement outlet pipe and the cleaning water replacement outlet valve. Analogize in proper order and strain a section of thick bamboo at other levels and carry out the sparge water replacement, can further wash the amine liquid that remains on the filter core at all levels, come out with wasing the amine liquid replacement of water, the effectual life who prolongs filter core at all levels.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on the drawings without inventive labor.
FIG. 1 is a schematic diagram of the overall structure of a horizontal amine liquid filter with gas-liquid assisted displacement flushing according to the present invention;
FIG. 2 is a schematic view of the construction of the undercarriage assembly of the present invention;
FIG. 3 is a schematic structural view of a feed assembly of the present invention;
FIG. 4 is a schematic structural view of a filter assembly of the present invention;
FIG. 5 is a schematic view of the discharge assembly of the present invention;
FIG. 6 is a schematic diagram of the bypass assembly of the present invention.
Reference numerals: 1. a chassis assembly; 2. a feed assembly; 3. a filtration assembly; 4. a discharging assembly; 5. a bypass assembly; 101. a bottom fixed seat; 102. an angle adjusting base; 103. adjusting the base shaft; 104. a material placing underframe; 105. adjusting the joint; 106. lifting the coupling seat; 107. lifting the connecting shaft; 108. a hoisting link; 109. a link shaft; 110. a lifting chute; 111. a jacking seat; 112. adjusting the rear seat; 113. adjusting the bolt; 114. an adjusting handle; 115. a rear vertical frame; 201. supporting a feeding pipe; 202. a feed header; 203. an amine liquid feed valve; 204. washing the outlet valve with water; 205. a primary cartridge connecting tube; 206. a secondary filter cartridge connecting tube; 207. a tertiary filter cartridge connecting tube; 208. a four-stage filter cylinder connecting pipe; 209. replacing nitrogen into the tube; 210. a nitrogen substitution inlet valve; 211. emptying the inlet pipe; 212. an atmospheric valve; 213. cleaning water is replaced into the pipe; 214. cleaning water replacement inlet valve; 301. a primary filter cartridge valve; 302. a first stage filter cartridge; 303. a secondary filter cartridge valve; 304. a secondary filter cartridge; 305. a third stage filter cartridge valve; 306. a tertiary filter cartridge; 307. a quaternary filter cartridge valve; 308. a four-stage filter cartridge; 309. a cartridge chassis; 310. a first-stage filter element; 311. a secondary filter element; 312. a third-stage filter element; 313. a four-stage filter element; 401. a main discharge pipe; 402. a first stage filter cartridge outlet tube; 403. a secondary filter cartridge outlet pipe; 404. a tertiary cartridge outlet pipe; 405. a four stage cartridge outlet tube; 406. discharging the pipe frame; 407. an amine liquid discharge valve; 408. washing the inlet valve with water; 409. a nitrogen displacement outlet pipe; 410. a nitrogen displacement outlet valve; 411. a cleaning water replacement outlet pipe; 412. a wash water replacement outlet valve; 501. a feed pipe tee joint; 502. a discharge pipe is in a tee joint; 503. a bypass valve.
Detailed Description
The first embodiment is as follows:
an example of the present invention for washing and cleaning the filter is shown in fig. 1, 2, 3, 4, 5 and 6, wherein a rear vertical frame 115 is vertically connected to the upper side of the rear end of the material placing chassis 104 in the chassis assembly 1;
two groups of feeding pipe supports 201 in the feeding assembly 2 are respectively fixed on the same height of the upper end of the rear vertical frame 115, the main body of a feeding main pipe 202 is connected and fixed on the upper ends of the two groups of feeding pipe supports 201, an amine liquid feeding valve 203 is connected at a liquid inlet at the left end of the feeding pipe supports 201, a cleaning water backwashing outlet valve 204 is connected at a liquid outlet at the right end of the feeding pipe supports 201, a first-stage filter cylinder connecting pipe 205, a second-stage filter cylinder connecting pipe 206 and a third-stage filter cylinder connecting pipe 207 are sequentially connected with the lower end of a main pipeline of the feeding main pipe 202 from left to right, a four-stage filter cartridge connecting pipe 208, wherein a nitrogen replacement inlet pipe 209, an emptying inlet pipe 211 and a cleaning water replacement inlet pipe 213 are sequentially connected in the main pipeline of the feeding main pipe 202 from left to right, the top end of the nitrogen replacement inlet pipe 209 is connected with a nitrogen replacement inlet valve 210, the top end of the emptying inlet pipe 211 is connected with an emptying valve 212, and the top end of the cleaning water replacement inlet pipe 213 is connected with a cleaning water replacement inlet valve 214;
a liquid inlet end of a first-stage filter cylinder 302 in the filtering assembly 3 is connected with a first-stage filter cylinder connecting pipe 205 through a first-stage filter cylinder valve 301, a second-stage filter cylinder connecting pipe 206 is connected with a liquid inlet end of a second-stage filter cylinder 304 through a second-stage filter cylinder valve 303, a third-stage filter cylinder connecting pipe 207 is connected with a liquid inlet end of a third-stage filter cylinder 306 through a third-stage filter cylinder valve 305, a fourth-stage filter cylinder connecting pipe 208 is connected with a liquid inlet end of a fourth-stage filter cylinder 308 through a fourth-stage filter cylinder valve 307, a filter cylinder base frame 309 is fixedly connected in a rear vertical frame 115, the first-stage filter cylinder 302, the second-stage filter cylinder 304, the third-stage filter cylinder 306 and the fourth-stage filter cylinder 308 are fixedly connected to the upper end of the filter cylinder base frame 309, a first-stage filter element 310 is arranged in an inner cavity of the first-stage filter cylinder 302, a second-stage filter element 311 is arranged in an inner cavity of the second-stage filter cylinder 304, a third-stage filter element 312 is arranged in an inner cavity of the fourth-stage filter cylinder 308;
a discharge pipe frame 406 in the discharge assembly 4 is fixedly connected between the lower end of the filter cylinder chassis 309 and the upper end of the material placing chassis 104, a discharge main pipe 401 is transversely fixedly connected to the upper end of the discharge pipe frame 406, a liquid outlet at the left end of the discharge main pipe 401 is connected with an amine liquid discharge valve 407, a liquid inlet at the right end of the discharge main pipe 401 is connected with a cleaning water backwashing inlet valve 408, a primary filter cylinder outlet pipe 402, a secondary filter cylinder outlet pipe 403, a tertiary filter cylinder outlet pipe 404 and a quaternary filter cylinder outlet pipe 405 are respectively connected to positions in the main pipeline of the discharge main pipe 402 corresponding to the liquid outlets of the primary filter cylinder 302, the secondary filter cylinder 304, the tertiary filter cylinder 306 and the quaternary filter cylinder 308, the liquid outlet of the primary filter cylinder 302 is connected with the primary filter cylinder outlet pipe 402, the liquid outlet of the secondary filter cylinder 304 is connected with the secondary filter cylinder outlet pipe 403, the liquid outlet of the tertiary filter cylinder 306 is connected with the tertiary filter cylinder outlet pipe 404, and the liquid outlet of the quaternary filter cylinder 308 is connected with the quaternary filter cylinder outlet 405, the left side and the right side of the lower end of the main pipeline of the discharge header pipe 401 are respectively connected with a nitrogen displacement outlet pipe 409 and a cleaning water displacement outlet pipe 411, the outer end of the nitrogen displacement outlet pipe 409 is connected with a nitrogen displacement outlet valve 410, and the outer end of the cleaning water displacement outlet pipe 411 is connected with a cleaning water displacement outlet valve 412;
the right end of a feed pipe tee joint 501 in the bypass assembly 5 is connected in an amine liquid feed valve 203, the right end of a discharge pipe tee joint 502 is connected in an amine liquid discharge valve 407, and a bypass valve 503 is connected between the lower end of the feed pipe tee joint 501 and the upper end of the discharge pipe tee joint 502;
in a normal filtering state, filtered amine liquid enters the filtering assembly 3 from the amine liquid feeding valve 203, at this time, only the amine liquid feeding valve 203 and the amine liquid discharging valve 407 are opened, the first-stage filter cylinder valve 301, the second-stage filter cylinder valve 303, the third-stage filter cylinder valve 305 and the fourth-stage filter cylinder valve 307 in the filtering assembly 3 are all opened, and other valves are all closed; impurities in the amine liquid are intercepted by the combination of the first-stage filter element 310 in the first-stage filter cartridge 302, the second-stage filter element 311 in the second-stage filter cartridge 304, the third-stage filter element 312 in the third-stage filter cartridge 306 and the fourth-stage filter element 313 in the fourth-stage filter cartridge 308 and on the outer surface of each stage of filter element; along with the advance of the filtering process, the impurities accumulated on the surfaces of the filter elements at all levels are increased, the front-back pressure difference of the filter is gradually increased, and when a certain pressure difference value is reached or the feeding time reaches a certain duration, the filter enters a back washing state;
in the back flushing state, the amine liquid feed valve 203 and the amine liquid discharge valve 407 are closed at the moment, and the bypass valve 503 in the bypass assembly 5 is opened, so that the condition that the production is influenced by the cutoff of the amine liquid is effectively avoided, and other valves are not closed;
in the nitrogen replacement state, the amine liquid in the filtering assembly 3 is replaced by nitrogen, so that the waste of the amine liquid is avoided, and meanwhile, the next step is avoided; nitrogen is introduced from the nitrogen substitution inlet pipe 209, the nitrogen substitution inlet valve 210 and the nitrogen substitution outlet valve 410 are opened, the primary filter cartridge valve 301 is opened, and all the valves except the bypass valve 503 are closed; the nitrogen enters the filtering assembly 3, the amine liquid in the first-stage filter cylinder 302 is displaced out, the nitrogen flows through the first-stage filter cylinder valve 301, after the time duration is as long as 20 seconds (the time duration can be changed and adjusted), the displacement of the first-stage filter cylinder 302 is completed, at the moment, the second-stage filter cylinder valve 303 is opened, the first-stage filter cylinder valve 301 is closed, all valves except the bypass valve 503 are closed, the amine liquid in the second-stage filter cylinder 304 is displaced, and the displacement work is completed by the third-stage filter cylinder 306 and the fourth-stage filter cylinder 308 in turn;
the washing water is in a replacement state, the amine liquid remained on each stage of filter element is further washed, and the amine liquid is replaced by the washing water; opening the emptying valve 212, opening for 2 seconds, and closing after the filtering assembly 3 is emptied; the cleaning water replacement inlet valve 214 is opened, the cleaning water enters the filtering assembly 3 from the cleaning water replacement inlet pipe 213, the primary filter cartridge valve 301 is opened, the cleaning water replacement outlet valve 412 is opened, and all other valves except the bypass valve 503 are closed, so that the amine liquid material remained on the surface of the impurities accumulated on the primary filter element 310 in the primary filter cartridge 302 is replaced and washed, and is discharged through the cleaning water replacement outlet pipe 411 and the cleaning water replacement outlet valve 412; performing flushing water replacement on other filter cylinders at each stage by analogy in turn;
cleaning water in a backwashing state, and reversely flushing impurities on the surfaces of the filter elements at all levels out of the filtering assembly 3; opening the emptying valve 212, opening for 2 seconds, and closing after the filtering assembly 3 is emptied; the cleaning water backwash inlet valve 408 is opened, the cleaning water backwash outlet valve 204 is opened, the primary filter cartridge valve 301 is opened, the opening time is 30 seconds (the time can be changed and adjusted), other valves except the bypass valve 503 are all closed, impurities accumulated on the surface of the primary filter cartridge 310 in the primary filter cartridge 302 are washed back and are discharged from the cleaning water backwash outlet valve 204; performing cleaning water backwashing on other filter cylinders at each stage by analogy;
the washing water in the filtering assembly 3 is replaced out in a washing water discharge state, so that the amine liquid brought by the washing water is reduced; opening the nitrogen replacement inlet valve 210, opening the cleaning water replacement outlet valve 412, allowing nitrogen to enter the filter assembly 3, opening the primary filter cartridge valve 301, allowing a duration of time, such as 20 seconds (the duration can be changed and adjusted), to completely close all valves except the bypass valve 503, replacing the cleaning water in the primary filter cartridge 302, and discharging the water through the cleaning water replacement outlet pipe 411 and the cleaning water replacement outlet valve 412; the cleaning water in other filter cylinders is discharged by analogy;
after the whole backwashing is finished, the emptying valve 212 is opened for 2 seconds, and the filtering assembly 3 is closed after emptying; the amine liquid feed valve 203 and the amine liquid discharge valve 407 are opened, the bypass valve 503 is closed, and the primary filter cartridge valve 301, the secondary filter cartridge valve 303, the tertiary filter cartridge valve 305 and the quaternary filter cartridge valve 307 are all opened. The filtering assembly 3 is in a normal filtering working state;
specifically, the number of filter cartridges and corresponding filter elements can be increased or decreased depending on the amine liquid filtration flow rate.
The second embodiment:
an example of the present invention for realizing the placement and angle adjustment of the filter is shown in fig. 1 and 2, a base fixing seat 101 in a chassis assembly 1 is a placement base body, the filter is installed and fixed on an operation position through the base fixing seat 101, two groups of angle adjusting bases 102 are respectively fixed on two sides of the front end of the angle adjusting base 102, an adjusting base shaft 103 is jointly inserted and fixed between the two groups of angle adjusting bases 102, an adjusting coupling seat 105 is connected and fixed on the lower side of the front end of a material placing chassis 104, the adjusting coupling seat 105 is rotatably connected in the adjusting base shaft 103, two groups of lifting coupling seats 106 are correspondingly fixed on the lower side of the rear end of the lifting coupling seat 106, a lifting connecting shaft 107 is jointly inserted and fixed between the two groups of lifting coupling seats 106, lifting connecting rods 108 are symmetrically fixed in the lifting connecting shaft 107, lifting sliding connecting rod shafts 109 are arranged on the lower sides of the two groups of lifting connecting rods 108, the lower ends of the two groups of lifting connecting rods 108 are respectively connected and fixed at the two outer ends of the connecting rod shaft 109, the middle position of the connecting rod shaft 109 is fixedly connected with a jacking seat 111, the outer end of the jacking seat 111 is rotatably connected with an adjusting bolt 113, the rear ends of the two groups of lifting chutes 110 are fixedly connected with an adjusting rear seat 112, a threaded hole corresponding to the adjusting bolt 113 is formed in the adjusting rear seat 112, the main body of the adjusting bolt 113 is in threaded connection with the threaded hole of the adjusting rear seat 112, and the rear end of the adjusting bolt 113 is also connected with an adjusting handle 114;
the adjusting handle 114 is screwed to drive the adjusting bolt 113 to rotate, the adjusting bolt 113 drives the jacking seat 111 and the connecting rod shaft 109 to advance forwards, the connecting rod shaft 109 slides in the two lifting chutes 110, and the connecting rod shaft 109 drives the two groups of lifting connecting rods 108 to move, so that the two groups of lifting connecting rods 108 and the lifting connecting shaft 107 rotate and move, the rear end of the material placing chassis 104 can be jacked up, the front end of the material placing chassis 104 is rotatably connected in the adjusting base shaft 103 arranged above the front end of the bottom fixing seat 101 through the adjusting connecting seat 105, the inclination angle of the material placing chassis 104 relative to the bottom fixing seat 101 can be changed, and the inclination angle of the filtering assembly 3 placed on the material placing chassis 104 can be adjusted.
Finally, it should be noted that: the above-mentioned embodiments are only used to illustrate the technical solution of the cleaning process of the horizontal amine liquid filter with gas-liquid assisted displacement flushing and the inclination angle adjustment of the filtering assembly provided by the present invention, and are not limited thereto; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a take horizontal amine liquid filter of supplementary replacement of gaseous liquid and wash, includes filter assembly (3), its characterized in that: the device also comprises a chassis assembly (1), a feeding assembly (2), a discharging assembly (4) and a bypass assembly (5);
the chassis assembly (1) comprises a bottom fixing seat (101), a material placing chassis (104) and a rear vertical frame (115), the feeding assembly (2) comprises a feeding main pipe (202), a nitrogen gas replacement inlet pipe (209), an emptying inlet pipe (211) and a cleaning water replacement inlet pipe (213), the discharging assembly (4) comprises a discharging main pipe (401), a nitrogen gas replacement outlet pipe (409) and a cleaning water replacement outlet pipe (411), and the bypass assembly (5) comprises a feeding pipe tee joint (501) and a discharging pipe tee joint (502);
a bottom fixing seat (101) in the chassis assembly (1) is a placing base body, a material placing chassis (104) is screwed on the upper side of the front end of the bottom fixing seat (101), a group of transmission mechanisms are arranged between the rear end of the bottom fixing seat (101) and the rear end of the material placing chassis (104), the included angle of the material placing chassis (104) relative to the bottom fixing seat (101) can be adjusted, and a rear vertical frame (115) is vertically connected on the upper side of the rear end of the material placing chassis (104);
a feeding main pipe (202) in the feeding assembly (2) is transversely connected and fixed above the rear vertical frame (115), corresponding valves are arranged at the left end and the right end of the feeding main pipe (202) respectively, a nitrogen replacement inlet pipe (209), an emptying inlet pipe (211) and a cleaning water replacement inlet pipe (213) are sequentially connected into a main pipeline of the feeding main pipe (202) from left to right, and the top ends of the nitrogen replacement inlet pipe (209), the emptying inlet pipe (211) and the cleaning water replacement inlet pipe (213) are respectively provided with corresponding valves;
the liquid inlet end of the filtering assembly (3) is connected with a main pipeline of a feeding main pipe (202) through a corresponding valve, the main body of the filtering assembly (3) is fixedly connected with a rear vertical frame (115), the filtering assembly (3) has a certain downward-inclined angle, a discharging main pipe (401) in the discharging assembly (4) is transversely arranged at the liquid outlet end of the filtering assembly (3), corresponding valves are respectively arranged at the left end and the right end of the discharging main pipe (401), the liquid outlet end of the filtering assembly (3) is connected with the main pipeline of the discharging main pipe (401) through corresponding valves, the left side and the right side of the lower end of the main pipeline of the discharging main pipe (401) are respectively connected with a nitrogen displacement outlet pipe (409) and a cleaning water displacement outlet pipe (411), and the outer ends of the nitrogen displacement outlet pipe (409) and the cleaning water displacement outlet pipe (411) are respectively provided with corresponding valves;
the valve department at feeding house steward (202) left end is connected to the right-hand member of inlet pipe tee bend (501) in bypass assembly (5), the valve department at discharging house steward (401) left end is connected to the right-hand member of discharging pipe tee bend (502), be connected with corresponding valve between the lower extreme of inlet pipe tee bend (501) and the upper end of discharging pipe tee bend (502).
2. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 1, which is characterized in that: two groups of angle adjusting bases (102) in the underframe assembly (1) are respectively fixed on two sides of the front end of the angle adjusting base (102), an adjusting base shaft (103) is jointly inserted and fixed between the two groups of angle adjusting bases (102), an adjusting connecting seat (105) is fixedly connected with the lower side of the front end of the material placing underframe (104), the adjusting connecting seat (105) is rotatably connected in the adjusting base shaft (103), two groups of lifting connecting seats (106) are correspondingly fixed on the lower side of the rear end of each lifting connecting seat (106), a lifting connecting shaft (107) is jointly inserted and fixed between the two groups of lifting connecting seats (106), lifting connecting rods (108) are symmetrically fixed in the lifting connecting shafts (107), lifting sliding chutes (110) are arranged on the lower sides of the two groups of lifting connecting rods (108), the two groups of sliding chutes (110) are fixed on an upper frame of the bottom fixed seat (101), and connecting rod shafts (109) are jointly and slidably connected in the two groups of lifting sliding chutes (110), two sets of two outer ends of fixing at connecting rod axle (109) are connected respectively to the lower extreme that rises connecting rod (108), the intermediate position fixedly connected with of connecting rod axle (109) advances seat (111), the outer end swivelling joint that advances seat (111) has adjusting bolt (113), and is two sets of the rear end connection that rises spout (110) is fixed with adjusts back seat (112), set up the screw hole that corresponds with adjusting bolt (113) in adjusting back seat (112), the main part threaded connection of adjusting bolt (113) is in the screw hole of adjusting back seat (112), the rear end of adjusting bolt (113) still is connected with adjustment handle (114).
3. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 2, wherein: the placing directions of the two groups of lifting chutes (110) are spatially vertical to the rotating direction of the material placing underframe (104), and the sliding direction of the connecting rod shaft (109) is vertical to the placing direction of the lifting chutes (110).
4. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 1, which is characterized in that: two groups of feeding pipe supports (201) in the feeding assembly (2) are respectively fixed on the same height of the upper end of the rear vertical frame (115), the main body of the feeding main pipe (202) is connected and fixed at the upper ends of the two groups of feeding pipe supports (201), an amine liquid feeding valve (203) is connected at a liquid inlet at the left end of the feeding pipe support (201), a cleaning water backwashing outlet valve (204) is connected at a liquid outlet at the right end of the feeding pipe support (201), the lower end of the main pipeline of the feeding main pipe (202) is sequentially connected with a first-stage filter cylinder connecting pipe (205), a second-stage filter cylinder connecting pipe (206), a third-stage filter cylinder connecting pipe (207) and a fourth-stage filter cylinder connecting pipe (208) from left to right, the top end of the nitrogen replacement inlet pipe (209) is connected with a nitrogen replacement inlet valve (210), the top end of the emptying inlet pipe (211) is connected with an emptying valve (212), and the top end of the washing water replacement inlet pipe (213) is connected with a washing water replacement inlet valve (214).
5. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 1, which is characterized in that: the liquid inlet end of a first-stage filter cylinder (302) in the filtering assembly (3) is connected with a first-stage filter cylinder connecting pipe (205) through a first-stage filter cylinder valve (301), a second-stage filter cylinder connecting pipe (206) is connected with the liquid inlet end of a second-stage filter cylinder (304) through a second-stage filter cylinder valve (303), a third-stage filter cylinder connecting pipe (207) is connected with the liquid inlet end of a third-stage filter cylinder (306) through a third-stage filter cylinder valve (305), a fourth-stage filter cylinder connecting pipe (208) is connected with the liquid inlet end of a fourth-stage filter cylinder (308) through a fourth-stage filter cylinder valve (307), a filter cylinder chassis (309) is fixedly connected in the rear vertical frame (115), the first-stage filter cylinder (302), the second-stage filter cylinder (304), the third-stage filter cylinder (306) and the fourth-stage filter cylinder (308) are fixedly connected to the upper end of the filter cylinder chassis (309), a first-stage filter element (310) is arranged in the inner cavity of the first-stage filter cylinder (302), and a second-stage filter element (311) is arranged in the inner cavity of the second-stage filter cylinder (304), a third-stage filter element (312) is arranged in the inner cavity of the third-stage filter cartridge (306), and a fourth-stage filter element (313) is arranged in the inner cavity of the fourth-stage filter cartridge (308).
6. The horizontal amine liquid filter with gas-liquid assisted displacement rinsing of claim 5, which is characterized in that: the cartridge chassis (309) has a downward sloping angle.
7. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 1, which is characterized in that: a first-stage filter cylinder outlet pipe (402), a second-stage filter cylinder outlet pipe (403), a third-stage filter cylinder outlet pipe (404) and a fourth-stage filter cylinder outlet pipe (405) are respectively connected to positions, corresponding to the liquid outlets of a first-stage filter cylinder (302), a second-stage filter cylinder (304), a third-stage filter cylinder (306) and a fourth-stage filter cylinder (308), in a main pipeline of a discharge header pipe (401) in the discharge assembly (4), the liquid outlet of the first-stage filter cylinder (302) is connected with the first-stage filter cylinder outlet pipe (402), the liquid outlet of the second-stage filter cylinder (304) is connected with the second-stage filter cylinder outlet pipe (403), the liquid outlet of the third-stage filter cylinder (306) is connected with the third-stage filter cylinder outlet pipe (404), the liquid outlet of the fourth-stage filter cylinder (308) is connected with the fourth-stage filter cylinder outlet pipe (405), a discharge pipe frame (406) is fixedly connected between the lower end of the bottom frame (309) and the upper end of the material placing bottom frame (104), and the discharge header pipe frame (406) is transversely connected and fixed to the upper end of the discharge pipe frame (406), the liquid outlet at the left end of the discharge main pipe (401) is connected with an amine liquid discharge valve (407), the liquid inlet at the right end of the discharge main pipe (401) is connected with a cleaning water backwashing inlet valve (408), the outer end of the nitrogen displacement outlet pipe (409) is connected with a nitrogen displacement outlet valve (410), and the outer end of the cleaning water displacement outlet pipe (411) is connected with a cleaning water displacement outlet valve (412).
8. The horizontal amine liquid filter with gas-liquid assisted displacement flushing of claim 1, which is characterized in that: the bypass device is characterized in that the right end of a feeding pipe tee joint (501) in the bypass assembly (5) is connected to an amine liquid feeding valve (203), the right end of a discharging pipe tee joint (502) is connected to an amine liquid discharging valve (407), and a bypass valve (503) is connected between the lower end of the feeding pipe tee joint (501) and the upper end of the discharging pipe tee joint (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247123.XA CN114602228A (en) | 2022-03-14 | 2022-03-14 | Horizontal amine liquid filter with gas and liquid auxiliary displacement flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247123.XA CN114602228A (en) | 2022-03-14 | 2022-03-14 | Horizontal amine liquid filter with gas and liquid auxiliary displacement flushing |
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| CN114602228A true CN114602228A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210247123.XA Pending CN114602228A (en) | 2022-03-14 | 2022-03-14 | Horizontal amine liquid filter with gas and liquid auxiliary displacement flushing |
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