CN206762483U - A kind of duplex switching backwash ammonia accurate filter - Google Patents
A kind of duplex switching backwash ammonia accurate filter Download PDFInfo
- Publication number
- CN206762483U CN206762483U CN201720427245.1U CN201720427245U CN206762483U CN 206762483 U CN206762483 U CN 206762483U CN 201720427245 U CN201720427245 U CN 201720427245U CN 206762483 U CN206762483 U CN 206762483U
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- China
- Prior art keywords
- ammonia
- barrel body
- filtration barrel
- pipeline
- filtration
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Abstract
The utility model discloses a kind of duplex to switch backwash ammonia accurate filter, including two filtration barrel bodies, filtration barrel body is provided with ammonia imports pipeline and ammonia outlet pipeline, dividing plate is provided with filtration barrel body, dividing plate is provided with precision Filter element, semicircle upper end cover is provided with above filtration barrel body, discharge is provided between semicircle upper end cover, dual-purpose mouth is washed in blowback, Magnetic filtration device rod fixed plate is provided with above semicircle upper end cover, Magnetic filtration device rod fixed plate is provided with through hole, magnetic rod sleeve is communicated with below through hole, filtering bar magnet is placed in magnetic rod sleeve in Magnetic filtration device rod fixed plate and through through hole, sewage draining exit is provided between the lower end of filtration barrel body.The utility model belongs to ammonia filter plant technical field, and this filter can effectively reduce iron content and solid impurity content in ammonia, plays purification raw material, improves the oxygenation efficiency of ammonia and improves the purpose of quality and yield.
Description
Technical field
The utility model belongs to ammonia filter plant technical field, in particular to a kind of duplex switching backwash ammonia is accurate
Filter.
Background technology
Ammonia is a kind of colourless gas, and irritant smell, density are less than air, are highly soluble in water, during normal temperature, 1 volume
Water about dissolves 700 volume ammonias.
Ammonia is important chemical products, and ammonia is used to manufacture ammoniacal liquor, nitrogenous fertilizer (urea, carbon ammonium etc.), compound fertilizer, nitric acid, ammonium
Salt, soda ash etc., it is widely used in chemical industry, light industry, chemical fertilizer, pharmacy, synthetic fibers, national defense industry and thermal power plant and removes flue gas
In the field such as nitrogen oxides.Inorganic salt containing nitrogen and orgnnic comopounds, sulfa drug, polyurethane, Fypro and butyronitrile rubber
Glue etc. is all needed directly using ammonia as raw material.In addition, liquefied ammonia is commonly used for refrigerant, ammonia is also used as bio-fuel to provide the energy.
In ammonia processing industry production, different subsequent products has different requirements to the purity of ammonia, and ammonia is to pass through
Liquefied ammonia evaporates to obtain, and is the degree of purification of raw material the main reason for using ammonia in the production of raw material, to influence ammonia oxidation rate, especially
The iron powder carried secretly in ammonia influences maximum, and iron powder can cause catalyst poisoning and lose activity, furthermore other solids in ammonia are miscellaneous
Matter influences the quality of subsequent product.
Pneumatic filter is the gas purification equipment generally used to gas filtration purification at present.Existing filtering
The equipment of gas is that different screen packs is set according to the gas property that need to be filtered, and mostly single entry filters, it is impossible to efficient to remove
Iron powder and solid impurity in ammonia, therefore need to solve these problems with secondary filter new technical equipment, efficiently reduce ammonia
In iron powder and solid impurity content, reach the purpose for improving purifying rate, improving yield and quality.
The content of the invention
To solve above-mentioned existing problem, the utility model purpose is to provide a kind of duplex switching backwash ammonia precision mistake
Filter, the filter use magnetic absorption to ammonia, are filtered using weaving metallic fibers cloth as filter membrane as precision Filter element, Neng Gouyou
Effect reduce ammonia in iron content and solid impurity content, play purification raw material, improve ammonia oxygenation efficiency and improve quality and
The purpose of yield.
To achieve the above object, the technical scheme that the utility model is taken is as follows：The switching backwash of the utility model duplex
Ammonia accurate filter, including filtration barrel body, it is characterised in that：The filtration barrel body is provided with ammonia imports pipeline and ammonia goes out
Mouth pipeline, the filtration barrel body include the first filtration barrel body and the second filtration barrel body, the ammonia imports pipeline of the first filtration barrel body
Be provided with general import pipeline with the ammonia imports pipeline connection of the second filtration barrel body and in T-shaped junction, ammonia imports pipeline with it is total
It is provided with the T-shaped switching valve of ammonia imports between inlet ductwork, the ammonia outlet pipeline of the first filtration barrel body and the second filtration barrel body
Ammonia outlet pipeline connection and general export pipeline is provided with T-shaped junction, is provided between ammonia outlet pipeline and general export pipeline
The T-shaped switching valve of ammonia outlet, the filtration barrel body is interior to be provided with dividing plate, and dividing plate is provided with precision Filter element, the filtration barrel body top
Provided with semicircle upper end cover, set between the semicircle upper end cover of the first filtration barrel body and the semicircle upper end cover of the second filtration barrel body
There are discharge, blowback to wash dual-purpose mouth, Magnetic filtration device rod fixed plate, Magnetic filtration device rod fixed plate are provided with above the semicircle upper end cover
Through hole is provided with, magnetic rod sleeve is communicated with below through hole, filtering bar magnet is located in Magnetic filtration device rod fixed plate and runs through through hole
It is placed in magnetic rod sleeve, is provided with sewage draining exit between the lower end of first filtration barrel body and the second filtration barrel body, the ammonia enters
Differential pressure measuring device is provided between mouth pipeline and ammonia outlet pipeline.
Wherein, filtration barrel body both ends are semicircle end socket, and upper end semicircle end socket is connected with filtration barrel body with flange, removable
Unload, for maintenance and filter element replacing or cleaning in filtration barrel body, lower end semicircle end socket and the closed welding of filtration barrel body.
Further, the dividing plate and the closed welding of filtration barrel body, magnetic rod sleeve is closed to be welded on dividing plate and to downward
Extend filtration barrel body bottom.Filtration barrel body inner chamber is separated into upper plenum and lower cavity two parts by dividing plate.
Further, sealing ring is provided between the precision Filter element and dividing plate.
Further, the differential pressure measuring device is the differential pressure being connected respectively with ammonia imports pipeline and ammonia outlet pipeline
Transmitter and liquid crystal display.Differential pressure measuring device directly displays the pressure differential of ammonia import and export, prompts operating personnel right in time
Accurate filter is backwashed and blowdown.
Further, the precision Filter element uses precision to be formed for 0.5 μm of accurate stainless steel fibre cloth braiding.Precision filter
Each sealing surface of core is engaged using argon arc welding technique, and filter layer uses more folding folding technologies, forms a complete filter core, and nothing is let out
Leakage, no medium obscission, precision stainless steel filter core, there is porosity height, permeability is good, resistance is small, low using pressure difference, filtering
Area is big, and pollutant holding capability is big, high temperature resistant, corrosion-resistant, regenerability is good, can make repeatedly through the cleaning of Chemical cleaning, high temperature and ultrasonic wave
The characteristics of using.
Had the beneficial effect that compared to what prior art the utility model obtained：This programme duplex switching backwash ammonia essence
Close filter is especially suitable to be connected in ammonia pipeline, when ammonia is by filtering bar magnet in this accurate filter, is filtered
The strong magnetic of bar magnet is acted on, and the ferromagnetic material in ammonia is attracted in filtering magnetic rod sleeve, then through weaving metallic fibers
Cloth precision Filter element carries out high-precision filtration to ammonia, reaches the purpose that secondary filter is carried out to ammonia.The utility model is using double
Switch between cartridge filter duplex, the bitubular, any one cartridge filter can be achieved and be in filtration state, another cartridge filter is in
Non-filtered working condition and the bitubular are in the set-up mode of filtration state simultaneously, so as to realize to ammonia non-interruptible supply,
24 continuous throughout the twenty-four hour24s can be switched with duplex.When needing cleaning, by the switching of T-shaped three-way switch valve, make what needs cleaned
Filtration barrel body is in non-filtered working condition, will filtering bar magnet extracted out from the magnetic rod sleeve of accurate filter, with water, steam,
Nitrogen, compressed air etc. are rinsed or purged to accurate filter body interior, flushing or purge time<30 seconds, pollutant
Discharged, after the completion of purging, then filtering bar magnet is inserted into magnetic rod sleeve, whole dress by accurate filter bottom valve
Putting in operating process one can complete to operate, therefore working service is extremely convenient, have simple in construction, easy to operate, safe
The characteristics of environmental protection, practicality and high efficiency.
Brief description of the drawings
Fig. 1 is the utility model duplex switching backwash ammonia accurate filter main structure diagram；
Fig. 2 is the utility model duplex switching backwash ammonia accurate filter backsight structural representation；
Fig. 3 is the partition position structural representation of the utility model duplex switching backwash ammonia accurate filter；
Fig. 4 is the precision Filter element structural representation of the utility model duplex switching backwash ammonia accurate filter；
Fig. 5 is the filtering bar magnet structural representation of the utility model duplex switching backwash ammonia accurate filter.
Wherein, 1, ammonia imports pipeline, 2, ammonia outlet pipeline, the 3, first filtration barrel body, the 4, second filtration barrel body, 5, total
Inlet ductwork, 6, general export pipeline, 7, the T-shaped switching valve of ammonia imports, 8, the T-shaped switching valve of ammonia outlet, 9, dividing plate, 10, filtering
Bar magnet, 11, magnetic rod sleeve, 12, precision Filter element, 13, discharge, blowback wash dual-purpose mouth, 14, Magnetic filtration device rod fixed plate, 15 blowdowns
Mouthful, 16, differential pressure measuring device.
Embodiment
With reference to accompanying drawing, the utility model is described in further details.
As Figure 1-5, the utility model duplex switching backwash ammonia accurate filter, including filtration barrel body, it is described
Filtration barrel body is provided with ammonia imports pipeline 1 and ammonia outlet pipeline 2, and the filtration barrel body includes the first filtration barrel body 3 and the
Two filtration barrel bodies 4, the ammonia imports pipeline 1 of the first filtration barrel body 3 connected with the ammonia imports pipeline 1 of the second filtration barrel body 2 and
General import pipeline 5 is provided with T-shaped junction, the T-shaped switching of ammonia imports is provided between ammonia imports pipeline 1 and general import pipeline 5
Valve 7, the ammonia outlet pipeline 2 of the first filtration barrel body 3 connect with the ammonia outlet pipeline 2 of the second filtration barrel body 4 and in T-shaped connections
Place is provided with general export pipeline 6, and the T-shaped switching valve 8 of ammonia outlet, the mistake are provided between ammonia outlet pipeline 2 and general export pipeline 6
Being provided with dividing plate 9 in filter cylinder body, dividing plate 9 is provided with precision Filter element 12, and the filtration barrel body top is provided with semicircle upper end cover, and first
Discharge is provided between the semicircle upper end cover of the semicircle upper end cover of filtration barrel body 3 and the second filtration barrel body 4, dual-purpose mouth is washed in blowback
13, the semicircle upper end cover top is provided with Magnetic filtration device rod fixed plate 14, and Magnetic filtration device rod fixed plate 14 is provided with through hole,
Magnetic rod sleeve 11 is communicated with below through hole, filtering bar magnet 10 is placed in bar magnet in Magnetic filtration device rod fixed plate 14 and through through hole
In sleeve pipe 11, sewage draining exit 15, the ammonia imports are provided between the lower end of the filtration barrel body 4 of the first filtration barrel body 3 and second
Differential pressure measuring device 16 is provided between pipeline 1 and ammonia outlet pipeline 2.
Wherein, dividing plate 9 and the closed welding of filtration barrel body, magnetic rod sleeve 11 is closed to be welded on dividing plate 9 and extends downward into
Filtration barrel body bottom.Sealing ring is provided between precision Filter element 12 and dividing plate 9.Differential pressure measuring device 16 for respectively with ammonia imports pipe
The differential pressure transmitter and liquid crystal display that road 1 and ammonia outlet pipeline 2 connect.Precision Filter element 12 uses precision as 0.5 μm of essence
Close stainless steel fibre cloth braiding forms.
Secondary filter flow operation principle of the present utility model：Under when ammonia, system pressure acts in confession ammonia pipeline, from
Ammonia general import pipeline 5 entered cavity under ultrafilter cylinder, was entered by the outside of precision Filter element 12 in precision Filter element 12, ammonia exists
Precision Filter element 12 flows outside to inside, and all particle diameters are more than the solid particle in 0.5 μm of stainless steel fibre cloth aperture by precision Filter element 12
It is retained down, pure ammonia inwardly enters upper intracavitary through stainless steel fibre cloth, and bigger material can only be in precision Filter element 12
Outside is hovered motion, meanwhile, when ammonia is by the filtering bar magnet 10 installed in filter, by the strong magnetic of filtering bar magnet 10
Act on, the ferromagnetic material in ammonia is attracted in filtering magnetic rod sleeve 11, is made with respect to ammonia heavier solid particulate matter
Unhindered settling, deposit can be made to decline in the bottom of filter cylinder, by the sewage draining exit 15 for being arranged on filter cylinder bottom
Periodically discharge, so as to reach the mesh of place to go impurity.
The utility model switches using between double cartridge filter duplexs, the bitubular, and any one cartridge filter can be achieved and be in filtering
Working condition, another cartridge filter are in non-filtered working condition set-up mode or are in filtration state simultaneously, so as to real
Now to ammonia non-interruptible supply, 24 continuous throughout the twenty-four hour24s can be switched with duplex.
The utility model backwashes operation principle：After some cycles are filtered, precision Filter element 12 and filtering bar magnet 10 are cut
When the fine suspension stayed reaches certain thickness, inlet and outlet pressure difference can increase, and precision Filter element 12, which filters transmitance, to be declined,
Now when the pressure differential that the differential pressure measuring device 16 of ammonia import and export installation is shown reaches setting value, operating personnel pass through behaviour
Make T-shaped three-way switch valve, be switched to another filtration barrel body to filtration state, the cartridge filter for making to need to clean is in non-
Filtration state, release filtering bar magnet 10 from the Magnetic filtration device rod fixed plate 14 in filtration barrel body upper end cover centre position and fix simultaneously
Extract filtering bar magnet 10 out, make, because magnetic-adsorption is in the free subsidence easily of the iron impurities in magnetic rod sleeve 11, to open backwash tube
Road can carry out reverse pressure recoil to precision Filter element 12, and now blowback medium enters filtration barrel body overhead by counter-flushing pipeline
Chamber, from the inwall of precision Filter element 12 under pressure-driven to exosmosis, in this role, the impurity of the outer wall of precision Filter element 12 attachment is fast
Speed comes off, and significantly removes the impurity cake layer for being deposited on the surface of precision Filter element 12, and wash away work in blowback WATER AS FLOW MEDIUM (gas) stream
Under, discharged by the sewage draining exit 15 for being arranged on filtration barrel body bottom, recover the flux of precision Filter element 12, maintain the mistake of precision Filter element 12
The stabilization of performance is filtered, realizes the long-term operation of system.
The utility model and embodiments thereof are described above, this description is no restricted, shown in accompanying drawing
Be also one of embodiment of the present utility model, actual structure is not limited thereto.All in all if this area
Those of ordinary skill is enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design with
The similar frame mode of the technical scheme and embodiment, all should belong to the scope of protection of the utility model.
Claims (5)
1. a kind of duplex switching backwash ammonia accurate filter, including filtration barrel body, it is characterised in that：On the filtration barrel body
Provided with ammonia imports pipeline and ammonia outlet pipeline, the filtration barrel body includes the first filtration barrel body and the second filtration barrel body, the
The ammonia imports pipeline of one filtration barrel body is provided with always to enter with the ammonia imports pipeline connection of the second filtration barrel body and in T-shaped junction
Mouth pipeline, is provided with the T-shaped switching valve of ammonia imports, the ammonia of the first filtration barrel body goes out between ammonia imports pipeline and general import pipeline
The ammonia outlet pipeline connection of mouthful pipeline and the second filtration barrel body and it is provided with general export pipeline, ammonia outlet pipe in T-shaped junction
The T-shaped switching valve of ammonia outlet is provided between road and general export pipeline, dividing plate is provided with the filtration barrel body, dividing plate is provided with precision
Filter core, the filtration barrel body top are provided with semicircle upper end cover, the semicircle upper end cover and the second cartridge filter of the first filtration barrel body
Dual-purpose mouth is washed provided with discharge, blowback between the semicircle upper end cover of body, Magnetic filtration device rod is provided with above the semicircle upper end cover
Fixed plate, Magnetic filtration device rod fixed plate are provided with through hole, and magnetic rod sleeve is communicated with below through hole, and filtering bar magnet is located at magnetic mistake
It is placed in filter stick fixed plate and through through hole in magnetic rod sleeve, between the lower end of first filtration barrel body and the second filtration barrel body
Provided with sewage draining exit, differential pressure measuring device is provided between the ammonia imports pipeline and ammonia outlet pipeline.
A kind of 2. duplex switching backwash ammonia accurate filter according to claim 1, it is characterised in that：The dividing plate
With the closed welding of filtration barrel body, magnetic rod sleeve is closed to be welded on dividing plate and extends downward into filtration barrel body bottom.
A kind of 3. duplex switching backwash ammonia accurate filter according to claim 1, it is characterised in that：The precision
Sealing ring is provided between filter core and dividing plate.
A kind of 4. duplex switching backwash ammonia accurate filter according to claim 1, it is characterised in that：The differential pressure
Detection means is the differential pressure transmitter and liquid crystal display being connected respectively with ammonia imports pipeline and ammonia outlet pipeline.
A kind of 5. duplex switching backwash ammonia accurate filter according to claim 1, it is characterised in that：The precision
Filter core uses precision to be formed for 0.5 μm of accurate stainless steel fibre cloth braiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427245.1U CN206762483U (en) | 2017-04-22 | 2017-04-22 | A kind of duplex switching backwash ammonia accurate filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427245.1U CN206762483U (en) | 2017-04-22 | 2017-04-22 | A kind of duplex switching backwash ammonia accurate filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762483U true CN206762483U (en) | 2017-12-19 |
Family
ID=60634850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720427245.1U Expired - Fee Related CN206762483U (en) | 2017-04-22 | 2017-04-22 | A kind of duplex switching backwash ammonia accurate filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206762483U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108160326A (en) * | 2018-01-10 | 2018-06-15 | 连云港久盛电力辅机有限公司 | A kind of reversal magnetic filter |
| CN109013576A (en) * | 2018-09-05 | 2018-12-18 | 吴先德 | A kind of Hydraulic Drive in Vessel pipeline cleaning system |
| CN109569165A (en) * | 2019-01-18 | 2019-04-05 | 安徽沃特普尔节能科技有限公司 | A kind of reciprocal device for filtering other ions in ammonia |
| CN110102101A (en) * | 2019-05-17 | 2019-08-09 | 安琪酵母（伊犁）有限公司 | Duplex strainer and its control method |
| CN111821772A (en) * | 2020-07-27 | 2020-10-27 | 王长明 | Air purification equipment with filter core regeneration function |
| CN112316613A (en) * | 2020-10-26 | 2021-02-05 | 广西投资集团北海发电有限公司 | Device for slowing down blockage of ammonia injection pipeline adjusting door and using method |
-
2017
- 2017-04-22 CN CN201720427245.1U patent/CN206762483U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108160326A (en) * | 2018-01-10 | 2018-06-15 | 连云港久盛电力辅机有限公司 | A kind of reversal magnetic filter |
| CN108160326B (en) * | 2018-01-10 | 2023-11-24 | 连云港久盛电力辅机有限公司 | Backwash magnetic filter |
| CN109013576A (en) * | 2018-09-05 | 2018-12-18 | 吴先德 | A kind of Hydraulic Drive in Vessel pipeline cleaning system |
| CN109013576B (en) * | 2018-09-05 | 2021-06-01 | 吴先德 | Hydraulic pipeline cleaning system for ship |
| CN109569165A (en) * | 2019-01-18 | 2019-04-05 | 安徽沃特普尔节能科技有限公司 | A kind of reciprocal device for filtering other ions in ammonia |
| CN110102101A (en) * | 2019-05-17 | 2019-08-09 | 安琪酵母（伊犁）有限公司 | Duplex strainer and its control method |
| CN111821772A (en) * | 2020-07-27 | 2020-10-27 | 王长明 | Air purification equipment with filter core regeneration function |
| CN112316613A (en) * | 2020-10-26 | 2021-02-05 | 广西投资集团北海发电有限公司 | Device for slowing down blockage of ammonia injection pipeline adjusting door and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180422 |