CN205495269U - A dust recovery device for compound fertilizer tower granulation - Google Patents
A dust recovery device for compound fertilizer tower granulation Download PDFInfo
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- CN205495269U CN205495269U CN201620310010.XU CN201620310010U CN205495269U CN 205495269 U CN205495269 U CN 205495269U CN 201620310010 U CN201620310010 U CN 201620310010U CN 205495269 U CN205495269 U CN 205495269U
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- spray equipment
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- water pipe
- recovering powder
- packing layer
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 53
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- 238000005469 granulation Methods 0.000 title claims abstract description 32
- 230000003179 granulation Effects 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 150
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000012856 packing Methods 0.000 claims abstract description 32
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- 239000000843 powder Substances 0.000 claims description 43
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- 239000012530 fluid Substances 0.000 claims description 24
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- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
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- 206010011469 Crying Diseases 0.000 description 1
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- Fertilizers (AREA)
Abstract
The utility model provides a dust recovery device for compound fertilizer tower granulation, including casing and collecting vat, the casing upper end is provided with the gas outlet, be provided with the exhaust fan in the gas outlet, the casing lower extreme is provided with the air inlet, from being provided with to supreme interval in proper order a spray set down in the casing, the 2nd spray set, the 3rd spray set, the air inlet department of casing lower extreme is provided with first packing layer, be provided with the second packing layer between a spray set and the 2nd spray set, be provided with the third packing layer between the 2nd spray set and the 3rd spray set, be provided with fourth spray set between the 3rd spray set and the casing inner chamber top surface, the collecting vat is located the air inlet under, the collecting vat passes through pipeline and circulating slot looks UNICOM, the first water pipe among circulating slot and the spray set and the import of the second water pipe among the 2nd spray set are connected, the third water pipe is connected with the condensate pipe respectively with the import of fourth water pipe. Its advantage lies in: simple structure, convenient operation, solution absorption dust better.
Description
Technical field
This utility model relates to emission-control equipment during a kind of composite heat transfer, refers in particular to for compound fertilizer's high tower
The device for recovering powder of pelletize.
Background technology
High-tower granulation is complex fertilizer product key equipment in process of production, and it makes melting compound fertilizer by gravity-flow ventilation
Coagulation forming and cooling is reached in dropping process.So will be entrained with very important in compound fertilizer prilling tower top row is exitted
Compound fertilizer's dust, these dust major part will drop near ground in several kilometers, not only corrode object, and endanger work
The growth of thing, causes neighbouring tree branches to wither, and destroys plant area's greening and cleaning is carried out production strictly in line with rules and regulations, and this pollution also damages neighbouring people
The health of member.In recent years, most enterprises constantly carries out Increasing Production and Energy Saving technological transformation, exacerbates the discharge of pelletize tower top dust,
Not only bring loss economically to enterprise, also result in serious environmental pollution simultaneously.
At present, the granulation tower dust emission of domestic overwhelming majority compound fertilizer device still takes in line form, does not adds any place
Reason.Even if some enterprises add compound fertilizer high tower device for recovering powder, rear because of non-forced ventilation device, to making compound fertilizer pelletize temperature
Degree raises (compound fertilizer pelletize, granule is big, and temperature is high), it is impossible to properly functioning, is forced wherein filler, and water collection device is dismantled to increase and ventilated
Amount, device for recovering powder disables.Dust treatment plant is not considered in person's original design high tower unit.Environment monitoring tables of data
Bright, the dust of higher concentration directly discharges air under the air-flow of gravity-flow ventilation, is the arch-criminal causing haze weather.In the recent period
Country saves the energy, improvement haze policy is put into effect in succession, and increasingly competitive between each enterprise, original device highly energy-consuming, high dirt
Dye operation is impossible to be further continued for carrying out, and the high-tower granulation device for recovering powder that starts is imperative, is advantageous for enterprise and society
Meeting, the energy-conserving and environment-protective project of environment.
Compound fertilizer's high-tower granulation, tower top dust emission are a difficult problem of long-standing problem fertilizer enterprises to the pollution of environment,
At present, the granulation tower dust emission of overwhelming majority compound fertilizer device still takes in line form, does not adds any process, environment monitoring number
According to showing, higher concentration (meansigma methods 120mg/m3) compound fertilizer dust under the air-flow of gravity-flow ventilation, be directly discharged into air, bring
Problems:
(1) surrounding enviroment are caused to pollute: dust emission, tight to the growth effect of the crops around plant area and flowers, plants and trees
Weight, road and building be corroded, and nearby residents is also injured impact, and when especially annual spring and autumn air pressure is relatively low, wind speed is slow,
Dust will not be carried away by the wind, and easily settles, and landing accumulates to around Factory Building, causes surrounding enviroment to pollute.
(2) environment protection emission is close to exceeding standard edge: the mark of high-tower granulation tower dust emission concentration existing national environmental protection discharge at present
Accurate still without formal appearance, but having been over 40m absolute altitude granulation tower limiting emission absolute magnitude is the index of 40kg/h.
(3) production loss: pelletize tower top discharge dust concentration is high, daily output loss is the biggest.
(4) dust agglomerations drops and causes unsafe factor: form caking owing to tower top occurs that dust is assembled.When shaking
Or assemble and lump the most afterwards and easily drop, it is scattered in around granulation tower or drops in granulation tower, blocking blanking groove,
Impact is normal to be produced, and when entering tower maintenance hopper, threatens the safety into tower operating personnel, a lot of compound fertilizer devices once to occur to be similar to
Lesson.
The China of existing a kind of Patent No. CN201220523238.9 entitled " urea dust recovery device " is practical new
Type patent discloses a kind of urea dust recovery device, and including housing and collecting tank, described housing upper end is provided with gas outlet, institute
State housing lower end and be provided with air inlet, in described housing, be disposed with the first spray equipment and the second spray dress from bottom to up
Putting, this urea dust recovery device also includes the 3rd spray equipment, is being positioned at described second spray equipment and the 3rd spray dress
The water collection device that the moisture in ascending air can be carried out absorb and filter dust, described collecting tank position it is provided with between putting
In the underface of air inlet, described collecting tank is connected with circulating slot by pipeline.Its advantage is, adds the 3rd spray equipment
Can preferably solution absorption dust, and this apparatus structure is simple, easy to operate.This device is also that the applicant is in 2012 applications
Patent, but through actually used, it is found by the applicant that dust can't be fully absorbed by this device.To this end, applicant is to above-mentioned dress
Put and made further improvement.
Utility model content
Technical problem to be solved in the utility model be provide for above-mentioned prior art present situation a kind of reasonable in design,
Easy to operate and can effectively absorb the device for recovering powder for compound fertilizer's high-tower granulation of dust.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: this is for the powder of compound fertilizer's high-tower granulation
Dirt retracting device, including housing and collecting tank, described housing upper end is provided with gas outlet, the row of being provided with in described gas outlet
Blower fan, described housing lower end is provided with air inlet, be positioned apart from the most successively in described housing the first spray equipment,
Second spray equipment, the 3rd spray equipment, it is characterised in that: it is provided with at the air inlet of described housing lower end and dust can be carried out
The first packing layer filtered, is being provided with the second packing layer between the first spray equipment and the second spray equipment, is being positioned at
It is provided with the 3rd packing layer between second spray equipment and the 3rd spray equipment, is positioned at the 3rd spray equipment and housing cavity top
Being provided with the 4th spray equipment between face, described collecting tank is positioned at the underface of air inlet, and described collecting tank passes through pipeline and follows
Annular groove is connected, described circulating slot by circulation fluid pipe respectively with the first water pipe in the first spray equipment and the second spray equipment
In the import of the second water pipe be connected, the 3rd water pipe in the 3rd spray equipment and the 4th water pipe in the 4th spray equipment
Import is connected with condensate pipe respectively.
As improvement, preferable for being provided with energy by upper between described 3rd spray equipment and the 4th spray equipment
Rise the water collection device that the moisture in air-flow carries out absorbing and filtering dust.
Improving further, described first spray equipment includes the first water pipe and the first spray head, described first spray head
It is distributed on the first water pipe.
Improving further, described second spray equipment includes the second water pipe and the second spray head, described second spray head
It is distributed on the second water pipe.
Improving further, described 3rd spray equipment includes the 3rd water pipe and the 3rd spray head, described 3rd spray head
It is distributed on the 3rd water pipe.
Improving further, described 4th spray equipment includes the 4th water pipe and the 4th spray head, described 4th spray head
It is distributed on the 4th water pipe.
As improvement, described collecting tank is preferably positioned between the pelletize below housing on top, and described housing is in the first spray
It is provided with vent window on sidewall between shower device and the second spray equipment, is provided with for preventing the external world in described case top
Foreign material enter the protective cover of described device for recovering powder.
Improve further, circulating slot is preferably provided with the temperature regulating heater for regulating circulation fluid temperature.
Improve further, between pelletize above be preferably provided with seven described device for recovering powder.
As improvement, the vertical dimension between described first packing layer and the first spray equipment is preferably 1.5m, described
Vertical length between second packing layer and the second spray equipment is 1.2m, between described 3rd packing layer and the 3rd spray equipment
Vertical drop distance be 1.2m.
Compared with prior art, this utility model uses and is provided with at the air inlet of housing lower end and can carry out dust
First packing layer of filter；First by packing layer, dust will be filtered, by most powder before entering spray equipment by dust
Dirt filters out, then, in the first spray equipment by the absorbing liquid of spray to dusty gas in dust carry out gas-liquid mixed and
Absorb；Then the dust in dusty gas is removed further, then, then the absorption by two road fillers with spray, then through inhaling
Receiving device to be absorbed and natural separation by the globule containing few dust, in order to exempt from the mobility of QI invigorating body, applicant presses at gas outlet
The powerful air exhauster of device, so that air-flow will not reduce the mobility of air-flow because of the increase of packing layer, i.e. keeps
Normal production efficiency, only manages, and the power of air exhauster increases and adds certain power consumption, but is reclaimed by dust simultaneously
Rate is also greatly improved, and completely eliminates the pollution to environment, makes dust cost recovery cancel out each other with power consumption.This design
Change over and mainly absorb dust and change filler into and filter and spray the mode combined by spraying, reclaim and remove powder
Dirt, thus removing dust and the effect that reclaim dust are greatly improved.Further, the design of this device is rational in infrastructure ingenious, and behaviour
Facilitate；Vertical dimension between first packing layer and the first spray equipment is 1.5m, the second packing layer and the second spray equipment
Between vertical length be 1.2m, the vertical drop distance between the 3rd packing layer and the 3rd spray equipment is 1.2m, each region react
Space is suitable, fully absorbs dust, remove chalk dust removing when can effectively promote after circulation fluid or coolant spray；Use it is provided with on circulating slot
Temperature regulating heater in regulation circulation fluid temperature, it is ensured that temperature is maintained at 40 to 50 degrees Celsius, thus improves spray liquid further
(crying the most again: absorbing liquid) dissolubility to dust, makes enterprise no longer be worried by the detection of environmental administration, and relieved carries audaciously
High production process.
Economic and Efficiency Analysis:
This high-tower granulation device for recovering powder (is: for the device for recovering powder of compound fertilizer's high-tower granulation, below
With) total investment expenses about 2,800,000 yuan, when daily output compound fertilizer at 1450 ton hours, every day recyclable compound fertilizer dust about 2300kg, compound fertilizer is sold
Valency presses 1500 yuan of calculating per ton, and electricity is often spent by 0.50 yuan of calculating: annual effective production time calculated by 330 days:
That is: 2.3 × 1500=3450 every day unit
Power consumption every day 126 × 24 × 0.5 yuan=1512 yuan
3450 yuan-1512 yuan=1938 yuan
Annual recovery benefit 330 days × 1938 yuan=640,000 yuan
Investment payback time: about five year the most recyclable fully investeds.
High-tower granulation sets up device for recovering powder, has not only reclaimed compound fertilizer dust, it is often more important that protect environment, administers
Haze, benefits society and descendants.
Accompanying drawing explanation
Fig. 1 is the structural representation after this utility model is cut away partial shell；
Fig. 2 is the top view that this utility model embodiment is applied between pelletize；
Fig. 3 is the axonometric chart of part-structure in Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail.
As shown in Figure 1 to Figure 3, the device for recovering powder for compound fertilizer's high-tower granulation of the present embodiment, including housing 1 He
Collecting tank 7, described housing 1 upper end is provided with gas outlet 2, is provided with exhaust blower 21, described housing 1 in described gas outlet 2
Lower end is provided with air inlet 3, has been positioned apart from the first spray equipment, the second spray dress in described housing 1 the most successively
Put, the 3rd spray equipment, be provided with the first packing layer 15 that dust can be filtered at the air inlet 3 of described housing 1 lower end,
Between the first spray equipment and the second spray equipment, it is provided with the second packing layer 16, is positioned at the second spray equipment and
It is provided with the 3rd packing layer 17 between three spray equipments, is being provided with between the 3rd spray equipment and housing 1 inner chamber end face
4th spray equipment, described collecting tank 7 is positioned at the underface of air inlet 3, and described collecting tank 7 is connected with circulating slot 8 by pipeline
Logical, described circulating slot 8 by circulation fluid pipe 81 respectively with in the first water pipe 41 in the first spray equipment and the second spray equipment
The import of the second water pipe 51 be connected, the 3rd water pipe 61 in the 3rd spray equipment and the 4th water pipe in the 4th spray equipment
The import of 71 is connected with condensate pipe 9 respectively.It is being provided with between described 3rd spray equipment and the 4th spray equipment
Moisture in ascending air can be carried out the water collection device 12 absorbing and filtering dust.Described first spray equipment includes
First water pipe 41 and the first spray head 42, described first spray head 42 is distributed on the first water pipe 41.Described second spray equipment
Including the second water pipe 51 and the second spray head 52, described second spray head 52 is distributed on the second water pipe 51.Described 3rd spray
Shower device includes the 3rd water pipe 61 and the 3rd spray head 62, and described 3rd spray head 62 is distributed on the 3rd water pipe 61.Described
4th spray equipment includes the 4th water pipe 71 and the 4th spray head 72, and described 4th spray head 72 is distributed in the 4th water pipe 71
On.Described collecting tank 7 is positioned between the pelletize below housing 1 on top, and described housing 1 is at the first spray equipment and the second spray dress
It is provided with vent window 13 on sidewall between putting, is provided with at described housing 1 top for preventing external impurities from entering described powder
The protective cover 14 of dirt retracting device.The temperature regulating heater 82 for regulating circulation fluid temperature it is provided with on circulating slot 8.Between pelletize
84 be provided above seven described device for recovering powder.Between described first packing layer 15 and the first spray equipment vertical away from
Being 1.5m from H, the vertical length S between described second packing layer 16 and the second spray equipment is 1.2m, described 3rd packing layer
17 and the 3rd vertical drop distance L between spray equipment are 1.2m.In nitrogen, phosphorus, three kinds of compositions of potassium, at least contain two kinds of compositions only by
The fertilizer that chemical method is made, is named compound fertilizer.Also compound fertilizer or compound fertilizer it are
The operation principle of this device: add circulation fluid before starter to circulating slot 8 to more than half liquid level, described circulation fluid
For compound fertilizer's waste hydrolyzed liquid, circulation fluid enters the first spray equipment and second by circulation fluid pipe 81 under recycle liquid pump 83 acts on
Spray equipment, and spray from the first spray head 42 of the first spray equipment and the second spray head 52 of the second spray equipment；The
Three spray equipments are connected with condensate pipe 9, and condensed fluid enters the 3rd spray dress by condensate pipe 9 under condensate pump effect
Put, and spray from the 3rd spray head 62 of the 3rd spray equipment.Steam surrounding between pelletize rises, through packing layer, steam
In some particles adsorbed by the first packing layer 15, absorb space subsequently into first, and from the first of the first spray equipment the spray
The circulation fluid contact of ejection in pouring 42, the drop of condensation formation band compound fertilizer microgranule under part hot gas cycle liquid effect, and with
Circulation fluid enters collecting tank 7 together；Residue steam continues to rise through the second packing layer 16 and enters the second absorption space, with ventilation
The peripheral cold air mixing that window 13 is come in, mixed gas and the circulation fluid of ejection from the second spray head 52 of the second spray equipment
Contact, condensation forms the drop containing compound fertilizer's microgranule further, and described drop enters collecting tank 7 together with circulation fluid, and through pipe
Road enters circulating slot 8；Residue mixed gas continues to rise through the 3rd packing layer 17 and enters the 3rd absorption space, sprays with from the 3rd
The condensed fluid contact of ejection in the 3rd spray head 62 of shower device, condenses and removes the drop of entrained with in gas；Residue mixing
Gas continues to rise through water collection device 12 and enters the 4th absorption space, and the part steam in mixed gas is absorbed by water collection device 12,
Contact with the condensed fluid of ejection from the 4th spray head 72 of the 4th spray equipment, again condense and go out entrained with in gas
Drop, solves the phenomenon that drop is taken out of outside tower, and the gas removing compound fertilizer's microgranule is discharged outside tower through exhaust blower 21.In above-mentioned suction
During receipts, due to compound fertilizer's dissolving and heat absorbing, circulation fluid temperature constantly declines, and now needs to open temperature regulating heater 82, makes circulation
The temperature of liquid controls, at 40～50 degrees Celsius, when the concentration of circulation fluid reaches certain value, to be introduced into composite heat transfer all the time
Vapo(u)rization system is recycled.
The utility model is described in further detail below:
High-tower granulation dust reclaims (i.e. referring to: for the device for recovering powder of compound fertilizer's high-tower granulation, as follows):
High-tower granulation dust recovery technology uses circulated sprinkling washing technology, i.e. with steam condensate or desorbing hydrolyzed waste water
Washing dust, through circulation washing to finite concentration, thin liquid goes compound fertilizer system reuse, and (or precipitation reclaims profit again in accumulator tank
With), spray washing also can remove the NH that tower top tail gas is discharged simultaneously3.Compound fertilizer high-tower granulation exhaust emissions dust can be solved contain
Measure high problem.
One, set up dust reclaim guiding theory:
1, high-tower granulation device for recovering powder (being: for the device for recovering powder of compound fertilizer's high-tower granulation, as follows):
I.e. reclaim the compound fertilizer dust carried secretly in granulation tower top row venting body；Compound fertilizer dust is the medium with rotten solely property, and a lot of factories are increasing
Adding in the experience of this device and prove, all supportings of device for recovering powder, casing, support all use stainless steel (to refer in particular to
Except fixed), it is to avoid use carbon steel will carry out the risk that high-altitude anticorrosion is brought every year.In order to ensure compound fertilizer prilling temperature
Do not raise and discharge compound fertilizer dust content in gas；≤30mg/m3.Forced ventilation device must be increased: in design to granulation tower
During scheme, we are for φ 22 meters, high 118 meters, and natural ventilation rate is 600,000 m3The flowing resistance of the high granulation tower of/h is surveyed
Calculating, add seven axial flow blowers, the air quantity of every Fans is 160000m3/ h, amounting to air quantity is 1,120,000 m3/ h is (more logical than naturally
Air quantity adds one times), not only reduce the tower exit temperature (compound fertilizer granule is big, and temperature is high) of compound fertilizer granule, also solve increase
The flowing resistance problem that device for recovering powder brings.Blower motor is frequency control motor, can be according to Various Seasonal when operation
Climate temperature, ventilation is adjusted, to reach energy-saving effect.
2, dust organic efficiency: the organic efficiency of dust is the important indicator whether evaluating this project success, and by problem
Focus concentrate in the design of spray nozzle, filler and water collection device, it is necessary to ensure that recovering effect is good, and will not band liquid (at wind
At machine air outlet, feel is without band liquid phenomenon), it is to avoid cause secondary pollution.
3, the utilization of dedusting liquid: source and the recovery of dedusting liquid to determine according to the concrete condition of production scene, each life
Producing producer's situation can be different, recovery can return to compound fertilizer device, it is also possible to be directly discharged into sedimentation tank and go, as Water soluble fertilizer
Externally sell.
4, well-designed, rational deployment；After making high tower device for recovering powder drive to run, in discharge gas, compound fertilizer dust contains
Amount；≤30mg/m3。
Two, the technology of device for recovering powder requires:
(1) technological process advanced person, technology maturation, safe and reliable, it is ensured that device effect stability, operation up to standard.
(2) technique and corollary equipment superior performance, it is ensured that system properly functioning.
(3) device for recovering powder can carry out corresponding load adjustment (blower fan) according to producing load.
(4) design and installation automatic control adjustable valve, and teletransmission operation can be realized.Its configuration quantity should meet process control requirements.
Convenient operation, alleviates operative employee's labor intensity.
(5) device is all placed in above granulation tower, uses gravity-flow ventilation, and additional sharp draft facility, retracting device
Ventilation is much higher than the cooling air draught consumption of former Deethanizer design, and the consideration of secure context is also very important, and device has
There are wind resistance, shock resistance, it is ensured that stable operation.
(6) granulation tower fume recovery system should use and dust removing effects and gas-water separation technology are reliably effectively ensured, to avoid
Atomization cleaning mixture is taken out of outside granulation tower, and in separation process, the compound fertilizer drop in saturated steam guarantees not bring in air, causes two
Secondary pollution.
(7) this device uses DCS program controlled mode, it is possible to achieve automatic/hand controls switching, and master control signal leads to
The communication interface crossing DCS enters plant area's DCS control system.
(8) all supportings of device for recovering powder, support all use the material of 304, employing 304L is (specially appointed for steel plate
Except), it is to avoid use carbon steel will carry out the risk that high-altitude anticorrosion is brought every year, save expense.
(9) all spray nozzles, jet pipe material use 316L.
Three, flow process and operating instruction:
1, device for recovering powder air flow process:
In pelletize, steam lateral access through between pelletize is entered atomization absorption device, through seven atomizations by surrounding and tower top
Absorption plant (i.e. device for recovering powder in this utility model, lower same), enters each device primary separator, the most cleaned spray
Head enters cross-flow and catches water mist device, removes the saturated gas after droplet and enters the second-order separation space, cold with the periphery that vent window is come in
Air mixes, further the lower drop containing compound fertilizer microgranule of condensation, then after three grades separate and separate with level Four, exhaust blower extracts out and put
Empty.
After the circulating absorption solution of entrained particles compound fertilizer and decline is fully contacted in the hot-air risen on range of atomization, enters and divide
From section, removing the drop carried secretly through secondary separation, in afterbody is separated off saturated gas, the drop of condensation, fully solves
Absorption drop takes the outer phenomenon of tower out of.
2, device for recovering powder liquid flow:
Compound fertilizer's moisturizing liquid--be directly entered cleaning shower nozzle or fill into circulating slot, carrying out initial absorption and liquid feeding effect--
Liquid is through collecting tank--circulation descending liquid water channel--and cyclic absorption pump---defecator------spray nozzle----packing section----
Liquid collection trough.
3, device for recovering powder uses steam condensate (can also use waste hydrolyzed liquid or other condensed fluid) as absorbing
Liquid carries out displacement and supplements, and after liquid fills into circulating slot, the Flushing nozzle opening top (suspends one group of washing absorption spray of bottom
Head) water collection device is rinsed, start preferably to fill into steam condensate during fluid infusion, main purpose is that the crystalline portion to shower nozzle rises
To flushing action, after top water collection device is rinsed about 3～5 minutes, close upper rinse shower nozzle, reactivate lower wash and absorb
Shower nozzle, proceeds to normal operating state, simultaneously closes off steam condensate, enables ammonium fluid or hydrolysis relief liquor.
When device for recovering powder begins to use, start to add process liquor, when liquid feeding is to circulating slot 1/3rd to circulating slot
During liquid level, ON cycle pump topping up is circulated absorption to spray nozzle, hydrojet.
Four, operation control technic index:
1, cyclic absorption liquid temp: 30-50 DEG C
2, circulating absorption solution concentration: (depending on field condition)
3, circulating slot absorbs liquid level: 50-80%
4, circulating absorption solution recovery time: (depending on field condition)
5, amount infused the most about 1～3m3。
6, open shower nozzle quantity to be adjusted correspondingly according to producing load.
7, every time when circulating slot fluid infusion, it is proposed that first mend steam condensate, to clean the Crystallization Plugging thing in shower nozzle, start
The shower nozzle (suspending one group of washing absorption shower nozzle of bottom) on flushing top about 3～5 minutes, cuts off upper rinse, then suction is washed in flushing
Receive shower nozzle.I.e. proceed to normally produce.
8, pump discharge filter fixed time cleaning, when just driving, every day cleans once, cleans the most weekly once.
9, blower fan load should be adjusted according to the change of temperature, production load.
Five, capital equipment and adnexa (22 meters of compound fertilizer high-tower granulation tower top dust of diameter reclaim capital equipment)
(1), main box, accumulator tank and blower fan supporting:
(2) internals and supporting
(3), equipment, valve, pipeline, pipe fitting and other:
Gross investment: about 2,800,000 yuan.
Claims (10)
1. for a device for recovering powder for compound fertilizer's high-tower granulation, including housing (1) and collecting tank (7), described housing (1)
Upper end is provided with gas outlet (2), is provided with exhaust blower (21) in described gas outlet (2), and described housing (1) lower end is provided with
Air inlet (3), be positioned apart from the most successively in described housing (1) the first spray equipment, the second spray equipment, the 3rd
Spray equipment, it is characterised in that: air inlet (3) place of described housing (1) lower end is provided with can filter dust first
Packing layer (15), is being provided with the second packing layer (16) between the first spray equipment and the second spray equipment, is being positioned at
It is provided with the 3rd packing layer (17) between two spray equipments and the 3rd spray equipment, is positioned at the 3rd spray equipment and housing (1)
Being provided with the 4th spray equipment between inner chamber end face, described collecting tank (7) is positioned at the underface of air inlet (3), described collecting tank
(7) be connected with circulating slot (8) by pipeline, described circulating slot (8) pass through circulation fluid pipe (81) respectively with the first spray equipment
In the first water pipe (41) and the import of the second water pipe (51) in the second spray equipment be connected, in the 3rd spray equipment
Three water pipes (61) are connected with condensate pipe (9) respectively with the import of the 4th water pipe (71) in the 4th spray equipment.
Device for recovering powder the most according to claim 1, it is characterised in that: it is being positioned at described 3rd spray equipment and the 4th
The water collection device (12) that the moisture in ascending air can be carried out absorb and filter dust it is provided with between spray equipment.
Device for recovering powder the most according to claim 2, it is characterised in that: described first spray equipment includes the first water
Pipe (41) and the first spray head (42), described first spray head (42) is distributed on the first water pipe (41).
Device for recovering powder the most according to claim 3, it is characterised in that: described second spray equipment includes the second water
Pipe (51) and the second spray head (52), described second spray head (52) is distributed on the second water pipe (51).
Device for recovering powder the most according to claim 4, it is characterised in that: described 3rd spray equipment includes the 3rd water
Pipe (61) and the 3rd spray head (62), described 3rd spray head (62) is distributed on the 3rd water pipe (61).
Device for recovering powder the most according to claim 5, it is characterised in that: described 4th spray equipment includes the 4th water
Pipe (71) and the 4th spray head (72), described 4th spray head (72) is distributed on the 4th water pipe (71).
7. according to described device for recovering powder arbitrary in claim 1 to 6, it is characterised in that: described collecting tank (7) is positioned at shell
Between the pelletize of body (1) lower section on top, described housing (1) sets on the sidewall between the first spray equipment and the second spray equipment
It is equipped with vent window (13), is provided with at described housing (1) top for preventing external impurities from entering described device for recovering powder
Protective cover (14).
Device for recovering powder the most according to claim 7, it is characterised in that: it is provided with on circulating slot (8) and follows for regulation
The temperature regulating heater (82) of ring liquid temp.
Device for recovering powder the most according to claim 8, it is characterised in that: between pelletize, (84) is provided above seven
Described device for recovering powder.
10. according to described device for recovering powder arbitrary in claim 1 to 6, it is characterised in that: described first packing layer (15)
And the vertical dimension (H) between the first spray equipment is 1.5m, between described second packing layer (16) and the second spray equipment
Vertical length (S) is 1.2m, and the vertical drop distance (L) between described 3rd packing layer (17) and the 3rd spray equipment is 1.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310010.XU CN205495269U (en) | 2016-04-06 | 2016-04-06 | A dust recovery device for compound fertilizer tower granulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310010.XU CN205495269U (en) | 2016-04-06 | 2016-04-06 | A dust recovery device for compound fertilizer tower granulation |
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| Publication Number | Publication Date |
|---|---|
| CN205495269U true CN205495269U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620310010.XU Expired - Fee Related CN205495269U (en) | 2016-04-06 | 2016-04-06 | A dust recovery device for compound fertilizer tower granulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| CN107008084A (en) * | 2017-05-24 | 2017-08-04 | 镇江市恒升达化工科技有限公司 | A kind of dust collection box |
-
2016
- 2016-04-06 CN CN201620310010.XU patent/CN205495269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| CN107008084A (en) * | 2017-05-24 | 2017-08-04 | 镇江市恒升达化工科技有限公司 | A kind of dust collection box |
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Assignee: Hefei Ruixin Chemical Technology Co.,Ltd. Assignor: Wang Xian Contract record no.: 2019320010037 Denomination of utility model: Dust recycling device for high-tower granulation of compound fertilizer Granted publication date: 20160824 License type: Exclusive License Record date: 20190724 |
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