CN210434091U - Circulating ammonia water filtering device - Google Patents
Circulating ammonia water filtering device Download PDFInfo
- Publication number
- CN210434091U CN210434091U CN201921091282.5U CN201921091282U CN210434091U CN 210434091 U CN210434091 U CN 210434091U CN 201921091282 U CN201921091282 U CN 201921091282U CN 210434091 U CN210434091 U CN 210434091U
- Authority
- CN
- China
- Prior art keywords
- filter element
- shell
- filter
- washing arm
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a circulation aqueous ammonia filter equipment relates to the supporting auxiliary assembly technical field of coking production. The utility model comprises a shell, wherein an inlet flange and an outlet flange are connected on the shell through screw threads; a drain valve is arranged at the bottom of the shell; a pressure difference indicator is arranged between the blowoff valve and the shell; a plurality of filter unit filter cylinders are arranged in the shell; a filter element is arranged in the filter cartridge of the filter unit, and the upper end and the lower end of the filter element are both open ends; the shell is internally and rotatably provided with a lower washing arm and an upper washing arm. The utility model drives the upper washing arm positioned above the filter element to rotate through the electric motor, and covers the upper end of the filter element; meanwhile, the lower washing arm rotates to enable the lower end opening of the filter element to be communicated with the opened drain valve, longitudinal high-speed washing force is formed in the filter element, and longitudinal and transverse back washing simultaneously act to enable the whole inner surface of the filter element to be uniformly washed, so that the optimal self-cleaning effect is achieved.
Description
Technical Field
The invention belongs to the technical field of auxiliary equipment matched with coking production, and particularly relates to a circulating ammonia water filtering device.
Background
In the current coking production process, circulating ammonia water with certain pressure is generally conveyed to a coke oven bridge pipe through a pipeline, atomized by an ammonia water spray head and sprayed into a gas collecting pipe, so that high-temperature raw coke gas in the coking production is cooled to a proper temperature.
At present in the actual operation process, generally carry out simple separation through impurity such as tar sediment, coal cinder that mechanized tar aqueous ammonia clarification tank smugglied secretly in with circulation aqueous ammonia, this processing mode though can satisfy normal production needs, when circulation aqueous ammonia pressure appears undulantly, the deposit is very easily taken to aqueous ammonia shower nozzle department by the clamp at the impurity of circulation aqueous ammonia pipeline bottom, causes the shower nozzle to block up. Aiming at the problem, the manual spray head dredging mode is generally adopted for treatment at the present stage, but the dredging and cleaning mode has the disadvantages of complex operation, time and labor waste and low treatment efficiency, and the efficient continuous operation of related equipment is seriously restricted. In addition, in enterprises using the waste heat of the circulating ammonia water to recover the lithium bromide refrigerator, the circulating ammonia water contains a large amount of tar, so that impurity deposition and equipment blockage are easily generated after long-term operation, the refrigerating capacity of the lithium bromide refrigerator is reduced, and the service life of the equipment is shortened.
Therefore, how to reduce the impurities carried in the circulating ammonia water, improve the utilization efficiency of the circulating ammonia water, and avoid the phenomena of impurity deposition and nozzle blockage in a pipeline is an important technical problem to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a circulating ammonia water filtering device, wherein an upper washing arm positioned above a filter element is driven to rotate by an electric motor to cover the upper end of the filter element; meanwhile, the lower washing arm rotates to enable the lower end opening of the filter element to be communicated with the opened drain valve, longitudinal high-speed washing force is formed in the filter element, the longitudinal and transverse back washing simultaneously acts, the whole inner surface of the filter element is uniformly washed, the optimal self-cleaning effect is achieved, and the problems that impurities are carried in circulating ammonia water and the sprayer is easily blocked are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a circulating ammonia water filtering device which comprises a shell, wherein the shell is connected with an inlet flange through a connecting piece in a threaded manner, and the shell is connected with an outlet flange in a threaded manner; the bottom of the shell is provided with a sewage discharge end; the sewage discharge end is internally provided with a sealing connecting piece and is connected with a sewage discharge valve through the sealing connecting piece; a pressure difference indicator is arranged between the blowoff valve and the shell; a plurality of filter unit filter cartridges are arranged in the shell; a filter element is arranged in the filter unit filter cylinder, and the upper end and the lower end of the filter element are both open ends; the top of the shell is fixedly provided with an electric motor, and a lower washing arm and an upper washing arm are rotationally arranged in the shell; the upper washing arm and the lower washing arm are respectively positioned at the upper end and the lower end of the filter element; the electric motor is respectively connected with the lower washing arm and the upper washing arm in a rotating way through a transmission shaft.
Furthermore, the filter element is a stainless steel column type filter element, and a liquid storage space communicated with the outlet flange is arranged between the outside of the filter element and the shell.
Furthermore, a throttle is arranged on the upper flushing arm.
The invention has the following beneficial effects:
1. the filter element has the two ends opened, so that the whole filter element can be backwashed at 360 degrees without dead angles, the filter element can be effectively prevented from being gradually blocked, and the effective filtering area can not be gradually reduced, so that the backwashing frequency of the filter is lower than that of a single-end opened filter element, a conical filter element and a cylindrical filter element, and the frequency of replacing the filter element is lower than that of the single-end opened filter element, the conical filter element and the cylindrical filter element, thereby not only saving the labor, but also reducing the cost of spare parts.
2. Compared with the single-end opening filter element and the expansion disc type filter element, the filter element is generally designed into a longitudinal wedge-shaped arrangement, and can generate excellent self-cleaning effect on impurity particles, particularly fiber particles.
3. The upper washing arm positioned above the filter element is driven to rotate by the electric motor, so that the upper end of the filter element is covered; meanwhile, the lower washing arm rotates to enable the lower end opening of the filter element to be communicated with the opened drain valve, longitudinal high-speed washing force is formed in the filter element, and longitudinal and transverse back washing simultaneously act to enable the whole inner surface of the filter element to be uniformly washed, so that the optimal self-cleaning effect is achieved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a circulating ammonia water filtration apparatus according to the present invention;
FIG. 2 is a schematic view of the upper rinse arm of the present invention;
FIG. 3 is a schematic view of the construction of the lower rinse arm of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-housing, 2-inlet flange, 3-connector, 4-blowoff valve, 5-lower wash arm, 6-filter element, 7-filter unit cartridge, 8-outlet flange, 9-differential pressure indicator, 10-electric motor, 11-upper wash arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "periphery," "side," "end," "bottom," and the like are used in an orientation or positional relationship indicated for ease of description and simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.
Referring to fig. 1-3, the present invention is a circulating ammonia water filtering device, which comprises a housing 1, wherein the housing 1 is connected with an inlet flange 2 through a connecting piece 3 by screw thread, the connecting piece 3 is a pipe fitting, and the housing 1 is connected with an outlet flange 8 by screw thread; the bottom of the shell 1 is provided with a sewage discharge end; the sewage discharging end is internally provided with a sealing connecting piece 3 and is connected with a sewage discharging valve 4 through the sealing connecting piece 3; a pressure difference indicator 9 is arranged between the blow-off valve 4 and the shell 1; a plurality of filter unit filter cartridges 7 are arranged in the shell 1; a filter element 6 is arranged in the filter unit filter cylinder 7, and the upper end and the lower end of the filter element 6 are both open ends; the top of the shell 1 is fixedly provided with an electric motor 10, and a lower washing arm 5 and an upper washing arm 11 are rotationally arranged in the shell 1; the upper washing arm 11 and the lower washing arm 5 are respectively positioned at the upper end and the lower end of the filter element 6; the electric motor 10 is rotatably connected to the lower wash arm 5 and the upper wash arm 11 via a transmission shaft.
Wherein, the filter element 6 adopts stainless steel column type filter element, and a liquid storage space communicated with the outlet flange 8 is arranged between the outside of the filter element 6 and the shell 1.
Wherein, the upper washing arm 11 is provided with a throttle.
The automatic back washing step of the circulating ammonia water filtering device comprises the following steps:
SS 00: the liquid to be filtered flows in from the two ends of the filter element 6, and the impurity particles are uniformly intercepted on the inner surface of the whole filter element 6;
SS 01: along with the increase of impurity particles, the pressure difference between the polluted side and the clean side of the filter is gradually increased, when the pressure difference reaches a set value, namely the impurity particles trapped on the inner surface of the filter element 6 reach the amount required to be cleaned, the pressure difference indicator 9 sends a signal, the backwashing system is started, the electric motor 10 is started, the blow-down valve 4 is opened, the supply of purified water is not cut off, and the filter starts the full-automatic backwashing working process;
SS 02: the upper washing arm 11 positioned above the filter elements 6 rotates to cover the upper port of one of the filter elements 6;
SS 03: simultaneously with the step SS02, the lower washing arm 5 rotates to enable the lower port of the filter element 6 to be communicated with the opened blow-down valve 4, and longitudinal high-speed washing force is formed in the filter element 6;
SS 04: meanwhile, the liquid at the outlet of the filtering device and the atmospheric pressure difference at the sewage discharge end enable the liquid around the washed filter element 6 to reversely flow back to the inner side to form a back washing force of transverse flow, so that the back washing energy is evenly distributed in the whole length interval of the filter element 6, and the impurity particles accumulated at the inner side of the filter element 6 are washed away and discharged out of the filtering device through the sewage discharge end;
SS 05: after the filter elements 6 are cleaned, the blow-off valve 4 is closed, the upper washing arm 11 and the lower washing arm 5 rotate again to perform back washing on the next filter element 6, the blow-off valve 4 is opened again, and the steps are repeated to perform back washing on each filter element 6;
SS 06: after all the filter elements 6 are cleaned, the upper cleaning arm 11 and the lower cleaning arm 5 return to the original positions, one backwashing period is finished, and backwashing is carried out in the process of cleaning the filter elements 6 one by one, so that the filter can still keep a liquid continuous filtering state in the backwashing process, and the longitudinal backwashing and the transverse backwashing simultaneously act to uniformly clean the whole inner surface of the filter elements so as to achieve the optimal self-cleaning effect.
The invention relates to a circulating ammonia water filtering device.A washing arm 11 positioned above a filter element 6 is driven to rotate by an electric motor 10 to cover the upper end of the filter element 6; meanwhile, the lower washing arm 5 rotates to enable the lower end opening of the filter element 6 to be communicated with the opened blow-down valve 4, longitudinal high-speed washing force is formed in the filter element 6, and longitudinal and transverse back washing simultaneously act, so that the whole inner surface of the filter element 6 is uniformly washed, and the optimal self-cleaning effect is achieved; the filter element 6 has the double-end opening, so that the whole filter element can be backwashed at 360 degrees without dead angles, the filter element 6 can be effectively prevented from being gradually blocked, and the effective filtering area can not be gradually reduced, so that the backwashing frequency of the filter is lower than that of a single-end opening filter element, a conical filter element and a cylindrical filter element, and the frequency of replacing the filter element is lower than that of the single-end opening filter element, the conical filter element and the cylindrical filter element, thereby not only saving the labor, but also reducing the cost of spare parts; the function of separating impurities of the cylindrical filter element 6 with the two ends open is more reliable than that of an expansion disc type filter element, impurity particles can be deposited between the expansion discs, the function is dangerous, when the backwashing process is switched to the filtering process, the deposited particles can be mixed back into the original clean liquid, and the specified filtering precision is difficult to achieve; compared with the single-end opening filter element 6 and the expansion disc type filter element, the filter element is generally designed to be arranged in a longitudinal wedge shape, and can generate excellent self-cleaning effect on impurity particles, particularly fiber particles.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A circulating ammonia water filtering device comprises a shell (1), and is characterized in that the shell (1) is in threaded connection with an inlet flange (2) through a connecting piece (3), and the shell (1) is in threaded connection with an outlet flange (8);
a sewage discharge end is arranged at the bottom of the shell (1); the sewage discharging end is internally provided with a sealing connecting piece (3) and is connected with a sewage discharging valve (4) through the sealing connecting piece (3);
a pressure difference indicator (9) is arranged between the blowoff valve (4) and the shell (1);
a plurality of filter unit filter cartridges (7) are arranged in the shell (1);
a filter element (6) is arranged in the filter unit filter cylinder (7), and the upper end and the lower end of the filter element (6) are both open ends;
an electric motor (10) is fixedly installed at the top of the shell (1), and a lower washing arm (5) and an upper washing arm (11) are rotationally arranged in the shell (1);
the upper washing arm (11) and the lower washing arm (5) are respectively positioned at the upper end and the lower end of the filter element (6);
the electric motor (10) is respectively connected with the lower washing arm (5) and the upper washing arm (11) in a rotating way through a transmission shaft.
2. The device for filtering circulating ammonia water as claimed in claim 1, wherein the filter element (6) is a stainless steel column type filter element, and a liquid storage space communicated with the outlet flange (8) is arranged between the outside of the filter element (6) and the housing (1).
3. A circulating ammonia filtration device according to claim 1, characterized in that the upper flushing arm (11) is provided with a restrictor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091282.5U CN210434091U (en) | 2019-07-12 | 2019-07-12 | Circulating ammonia water filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091282.5U CN210434091U (en) | 2019-07-12 | 2019-07-12 | Circulating ammonia water filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210434091U true CN210434091U (en) | 2020-05-01 |
Family
ID=70405820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921091282.5U Active CN210434091U (en) | 2019-07-12 | 2019-07-12 | Circulating ammonia water filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210434091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201447A (en) * | 2019-07-12 | 2019-09-06 | 巨金通博节能科技有限公司 | A kind of cyclic ammonia water filter device and its automatic backflushing washing method |
-
2019
- 2019-07-12 CN CN201921091282.5U patent/CN210434091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201447A (en) * | 2019-07-12 | 2019-09-06 | 巨金通博节能科技有限公司 | A kind of cyclic ammonia water filter device and its automatic backflushing washing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102407045B (en) | Filter | |
| CN210434091U (en) | Circulating ammonia water filtering device | |
| CN209333305U (en) | A kind of decompressor of self-cleaning filter | |
| CN208641949U (en) | A kind of novel precision filter | |
| CN109876502A (en) | A kind of disc type self-cleaning filter | |
| CN208049509U (en) | Suction type self-cleaning filter | |
| CN208526018U (en) | A kind of glass reinforced plastic water purifier | |
| CN209662744U (en) | A kind of bilateral complementation backwash filter | |
| CN209519404U (en) | A kind of automatically cleaning plate filter | |
| CN216677185U (en) | Novel industrial water filters device | |
| CN214597650U (en) | Double-flushing filtering pipeline purifier | |
| CN201046359Y (en) | Automatic blowdown brush type filter | |
| CN210699050U (en) | Waste liquid recovery processing device | |
| CN208799849U (en) | A kind of piping filter easy to use | |
| CN209519419U (en) | A kind of melt filter for film line | |
| CN110201447A (en) | A kind of cyclic ammonia water filter device and its automatic backflushing washing method | |
| CN212757578U (en) | Vertical filter with self-cleaning function | |
| CN108686423A (en) | A kind of fiberglass water purifier | |
| CN2438497Y (en) | Two-filtering fine filter | |
| CN216825077U (en) | Alkali liquor purification and recovery device based on cluster filtration method | |
| CN216259436U (en) | Precise filtering and dry slag discharging equipment simple and convenient to maintain and wide in application range | |
| CN214075240U (en) | High-pressure automatic drainage filter | |
| CN217964115U (en) | Spray tube and nozzle anti-blocking device | |
| CN218485464U (en) | Online automatically cleaning coke oven gas filter equipment | |
| CN219072177U (en) | Quenching water dedusting and filtering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |