CN204034904U - A kind of activity excitant atomising device for metal tailings grinding system - Google Patents
A kind of activity excitant atomising device for metal tailings grinding system Download PDFInfo
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- CN204034904U CN204034904U CN201420468997.9U CN201420468997U CN204034904U CN 204034904 U CN204034904 U CN 204034904U CN 201420468997 U CN201420468997 U CN 201420468997U CN 204034904 U CN204034904 U CN 204034904U
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- air inlet
- liquid
- outer tube
- spray gun
- activity excitant
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- 230000000694 effects Effects 0.000 title claims abstract description 50
- 238000000227 grinding Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 5
- 239000003595 mist Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 15
- 230000009257 reactivity Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A kind of activity excitant atomising device for metal tailings grinding system, comprise the spray gun become with outer tube assembly welding by interior pipe, air inlet ring cavity is formed between outer tube and interior pipe, one end of air inlet ring cavity is blind end, the other end is opening end, and spray gun is arranged in the connecting pipe between Vertical Mill and bag filter, is positioned on the sidewall outside connecting pipe is provided with air inlet at outer tube, one end that interior pipe is positioned at outside connecting pipe is stretched out from outer tube, forms liquid feeding end; Comprise the gas-liquid mixed nozzle be arranged on the opening end of spray gun; Comprise the liquid-supplying system and the air supply system being connected spirt gas port that connect liquid feeding end.This device can effectively by activity excitant atomized spray equably in pipeline, thus ensure that preferably and to mix uniformly with raw material micro mist finished product, ensures that activity excitant can effectively be attached on micro mist finished particle interface; Present arrangement avoids the interior hot blast environment of mill to the impact of activity excitant performance, thus reduce its volatilization and loss; This device also can realize the regulation and control of addition, to meet different need of productions.
Description
Technical field
The utility model belongs to cement industry milling equipment field, relates to a kind of micro mist treatment technology.Espespecially a kind of activity excitant atomising device being applicable to work under high density dust atmosphere in vertical roller grinder grinding system.
Background technology
Vertical Mill is widely used in cement, iron and steel at present, the energy-conservation milling equipment of one of the industries such as electric power.For its micro mist finished product after ensureing vertical mill grinding raw material can have higher activity index, can large dosage, high added value comprehensive utilization, the addition manner controlling activity excitant is a very important link.As everyone knows, the potential activity function of material can be given full play to by physical excitation and chemi-excitation.Present stage, the activity of physical excitation material was by forming certain thickness material bed on grinding disc of vertical mill, and then grinding roller grinds material under hydraulic system loading force drives.Physical excitation mode is to significantly improve the lateral reactivity of part type pledge material, and only to excite by material for the type pledge material that the poor and active effect of grindability is poor be inadequate.The activity of present stage chemi-excitation material is by after artificial simple metering, is directly added drop-wise to raw material from entering to grind above feedstock transportation belt through material guiding tube.The deficiency that the addition manner of this kind of activity excitant exists is: metering method is extensive; Easily occur that belt is sticky glutinous; Activity excitant is difficult to mix with raw material; Add owing to being that mill is front, in mill under hot blast environment, activity excitant is easy to volatilization, loss is large, thus has a strong impact on the adhesion effect at macromolecule and micro mist finished particle interface in activity excitant, and then affects the further performance of material micro mist finished product lateral reactivity.
Therefore, how activity excitant can be mixed with material with addition accurately at suitable interpolation point in an automated manner under high temperature and high density dust atmosphere in vertical mill grinding system, thus the effective adhesion effect ensureing macromolecule and raw material micro mist finished particle interface in activity excitant, and then significantly improve material micro mist finished product lateral reactivity.These technological difficulties just become the current problem being badly in need of solving.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of under high density dust atmosphere, activity excitant can be realized automatically, evenly add, and addition is controllable, thus ensure that activity excitant can effectively be attached on micro mist finished particle interface, and then the activating agent for metal tailings grinding system of the lateral reactivity of material is excited to excite atomising device.
The technical scheme that the utility model adopts for the technical problem existed in solution known technology is:
A kind of activity excitant atomising device for metal tailings grinding system, it is characterized in that: comprise the spray gun become with outer tube assembly welding by interior pipe, air inlet ring cavity is formed between outer tube and interior pipe, one end of air inlet ring cavity is blind end, the other end is opening end, spray gun is arranged in the connecting pipe between Vertical Mill and bag filter, its opening end extend in connecting pipe, its blind end is positioned at outside connecting pipe, be positioned at outer tube on the sidewall outside connecting pipe and be provided with air inlet, one end that interior pipe is positioned at outside connecting pipe is stretched out from outer tube, forms liquid feeding end; Comprise gas-liquid mixed nozzle, gas-liquid mixed nozzle is arranged on the opening end of spray gun; Comprise the liquid-supplying system connecting pipe liquid feeding end in spray gun, described liquid-supplying system comprises device for storing liquid, connects the feed liquor path of device for storing liquid and interior pipe liquid feeding end and realize the auxiliary channel of release, feed liquor path is provided with measuring pump, filter and Pressure gauge A in turn along the flow direction of liquid, and the position near two ends on feed liquor path is equipped with stop valve; Described auxiliary channel is connected and composed by pipeline by overflow valve and check valve, and the two ends of auxiliary channel are communicated with the connecting line between filter at Pressure gauge A with on device for storing liquid and primary path respectively; Comprise the air supply system connecting spray gun outer tube air inlet, the main intake channel that described air supply system comprises air compressor, connects the caisson of air compressor, is communicated with caisson and outer tube air inlet, main intake channel is provided with fore filter, gas drying apparatus, post-filter and Pressure gauge B successively along the flow direction of gas.
The technical scheme that the utility model can also adopt is:
Described air supply system also comprises additional-air inlet path, additional-air inlet path is provided with stop valve, one end of additional-air inlet path and the front end pipeline connection of main intake channel, the other end of additional-air inlet path is communicated with the connecting line between post-filter at Pressure gauge B with on main intake channel; Connecting line between every two components and parts be connected on connecting line on the front end pipeline of main intake channel, between caisson with air compressor and on main intake channel is equipped with stop valve.
Electric heater unit and agitating device is provided with in described device for storing liquid.
Described feed liquor path is also provided with fluid flow visor, and fluid flow visor is arranged on the connecting line between filter and Pressure gauge A.
Described gas-liquid mixed nozzle is made up of the nozzle head and the catch be arranged in nozzle head being provided with inner chamber, the front end of nozzle head is provided with the spray orifice be uniformly distributed along the circumference, the middle part of described catch is provided with the liquid phase hole be communicated with pipe in spray gun, is laid with in outside, liquid phase hole the multiple gas phase holes be communicated with air inlet ring cavity.
The advantage that the utility model has and beneficial effect are:
This activity excitant atomising device structure is simple, reasonable in design, by the cooperation of air supply system and liquid-supplying system, can effectively by activity excitant atomized spray equably in pipeline, thus ensure that preferably and to mix uniformly with raw material micro mist finished product, ensure that activity excitant can effectively be attached on micro mist finished particle interface, and then the lateral reactivity of material can be excited, material is made to have higher activity index, can as the cement mixture of high-quality or concrete mineral admixture, it is mixed in a large number in cement or concrete to reduce costs, and the consumption reduced non-renewable resources.Spray gun is arranged on the connecting pipe place between vertical roller grinder air outlet and bag filter by this activity excitant atomising device, the interpolation point of activity excitant is formed in connecting pipe, compared to existing mode of directly adding in mill, avoid the interior hot blast environment of mill to the impact of activity excitant performance, thus reduce volatilization and the loss of activity excitant.This activity excitant atomising device, by regulating the pressure of activity excitant fluid flow and pressure and gas, can realize the regulation and control of addition, to meet different need of productions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the installation site schematic diagram of the utility model in metal tailings grinding system.
In figure: 1, interior pipe; 101, liquid feeding end; 2, outer tube; 201, air inlet; 3, air inlet ring cavity; 4, gas-liquid mixed nozzle; 401, nozzle head; 402, catch; 403, liquid phase hole; 404, gas phase hole; 5, liquid-supplying system; 501, device for storing liquid; 502, measuring pump; 503, filter; 504, Pressure gauge A; 505, overflow valve; 506, check valve; 507, electric heater unit; 508, agitating device; 509, fluid flow visor; 6, air supply system; 601, air compressor; 602, caisson; 603, fore filter; 604, gas drying apparatus; 605, post-filter; 606, Pressure gauge B; 607, additional-air inlet path; 1, Vertical Mill; 2, bag filter; 3, connecting pipe.
Detailed description of the invention
Describing in detail further for doing the utility model, being described below in conjunction with the drawings and specific embodiments.Especially, following examples are only that the utility model is not limited to following examples to explanation of the present utility model.
Refer to Fig. 1-3, a kind of activity excitant atomising device for metal tailings grinding system, is made up of following a few part:
Comprise the spray gun become with outer tube 2 assembly welding by interior pipe 1.Form air inlet ring cavity 3 between outer tube and interior pipe, one end of air inlet ring cavity is blind end, and the other end is opening end.Spray gun is arranged on Vertical Mill 1, with bag filter 2, between connecting pipe 3, on, its opening end extend in connecting pipe, and its blind end is positioned at outside connecting pipe.Concrete, the sidewall of the connecting pipe between Vertical Mill and bag filter is arranged the perforate of inserting spray gun, at the outside welded pipe line flange of connecting pipe position of opening, near the position welded flange plate of air inlet ring cavity blind end on outer tube, by the connection of flanged plate and pipe flange, spray gun is fixed in connecting pipe.Be positioned at outer tube on the sidewall outside connecting pipe and be provided with air inlet 201, one end that interior pipe is positioned at outside connecting pipe is stretched out from outer tube, forms liquid feeding end 101.
Comprise gas-liquid mixed nozzle 4, gas-liquid mixed nozzle is arranged on the opening end of spray gun.Concrete, gas-liquid mixed nozzle is connected as one by screw thread and spray gun and uses nut check.
Comprise the liquid-supplying system 5 connecting pipe liquid feeding end in spray gun.Described liquid-supplying system comprises device for storing liquid 501, connects the feed liquor path of device for storing liquid and interior pipe liquid feeding end and realize the auxiliary channel of release.Feed liquor path is provided with measuring pump 502, filter 503 and Pressure gauge A504 in turn along the flow direction of liquid.The preferred diaphragm metering pump of measuring pump.Position near two ends on feed liquor path is equipped with stop valve.Described auxiliary channel is connected and composed by pipeline by overflow valve 505 and check valve 506, and the two ends of auxiliary channel are communicated with the connecting line between filter at Pressure gauge A respectively with on device for storing liquid and feed liquor path.The effect of auxiliary channel realizes pressure release, namely when the fluid flow in feed liquor path exceedes setting value, partially liq in feed liquor path flows through overflow valve in auxiliary channel and check valve, be back in device for storing liquid, thus ensure that the fluid pressure of feed liquor path is no more than setting value and mates with gas pressure.
Comprise the air supply system 6 connecting spray gun outer tube air inlet.The main intake channel that described air supply system comprises air compressor 601, connects the caisson 602 of air compressor, is communicated with caisson and outer tube air inlet.Main intake channel is provided with fore filter 603, gas drying apparatus 604, post-filter 605 and Pressure gauge B606 successively along the flow direction of gas, and wherein gas drying apparatus can adopt freezing type drier, and moisture in compressed air is removed in its effect.
In said structure, described air supply system also comprises additional-air inlet path 607, additional-air inlet path is provided with stop valve, one end of additional-air inlet path and the front end pipeline connection of main intake channel, the other end of additional-air inlet path is communicated with the connecting line between post-filter at Pressure gauge B with on main intake channel.Connecting line between every two components and parts be connected on connecting line on the front end pipeline of main intake channel, between caisson with air compressor and on main intake channel is equipped with stop valve.The effect arranging additional-air inlet path is as the interim stand-by channel opened, namely when being arranged on the components and parts on main intake channel (comprising above-mentioned fore filter, gas drying apparatus, post-filter) and breaking down, main intake channel can be closed, open additional-air inlet path simultaneously.Like this, can carry out safeguarding or changing from the lower components and parts of main intake channel dismounting, also not affect the continuous operation of production simultaneously.
In said structure, in described device for storing liquid, be provided with electric heater unit 507 and agitating device 508 further.Electric heater unit can adopt various common electric heating tube structure.Agitating device can be formed by motor and by motor-driven agitator, and its effect is: the viscosity of activity excitant can be met and be less than 50CST, thus ensure that equipment still can normally work under colder weather conditions.
In said structure, described feed liquor path is also provided with fluid flow visor 509 further, and fluid flow visor is arranged on the connecting line between filter and Pressure gauge A.Water influent pipeline is installed fluid flow visor and can observe fluid flow in water influent pipeline at any time easily, so just can observe liquid and whether flow smooth and easy, to judge whether gas-liquid mixed nozzle blocks.
In said structure, described gas-liquid mixed nozzle is made up of the nozzle head 401 and the catch 402 be arranged in nozzle head being provided with inner chamber.The front end of nozzle head is provided with the spray orifice be uniformly distributed along the circumference, and the middle part of described catch is provided with the liquid phase hole 403 be communicated with pipe in spray gun, and be uniformly distributed along the circumference in outside, liquid phase hole the gas phase hole 404 being provided with and being communicated with air inlet ring cavity.Adopt this nozzle arrangements, in spray gun, the activity excitant liquid of pipe input flows out from the liquid phase hole at center, spray in the gas phase hole of the compressed air circle distribution inputted from the air inlet ring cavity of spray gun, then mix in the front end of gas-liquid mixed nozzle, like this, under the effect of gas pressure, activity excitant liquid is sprayed onto in connecting pipe uniformly with vaporific by the spray orifice of gas-liquid mixed nozzle.
Operation principle of the present utility model: the connecting pipe place of interpolation point installation position selection between Vertical Mill air outlet and bag filter of this device.Activating agent excites the liquid-supplying system of atomising device, provides the activity excitant liquid (flow set adjusts in proportion according to inventory, and pressure is generally 0.3-0.5Mpa) that flow and pressure controllable are after filtering adjustable; Its air supply system provides the compressed air (pressure is generally 0.3-0.5Mpa) of pure pressure adjustable by inner front and rear filter, freezing type drier.Activity excitant liquid enters gas-liquid mixed nozzle by stretching to pipe in the spray gun in pipeline, compressed air enters gas-liquid mixed nozzle by the air inlet ring cavity between spray gun outer tube and interior pipe simultaneously, both mix at gas-liquid mixed spray nozzle front end, under the effect of gas pressure, make activity excitant liquid be sprayed with vaporific by the spray orifice of gas-liquid mixed nozzle, enter in connecting pipe, mix uniformly with the raw material micro mist finished product carried by gas in connecting pipe.
Claims (5)
1. the activity excitant atomising device for metal tailings grinding system, it is characterized in that: comprise the spray gun become with outer tube assembly welding by interior pipe, air inlet ring cavity is formed between outer tube and interior pipe, one end of air inlet ring cavity is blind end, the other end is opening end, spray gun is arranged in the connecting pipe between Vertical Mill and bag filter, its opening end extend in connecting pipe, its blind end is positioned at outside connecting pipe, be positioned at outer tube on the sidewall outside connecting pipe and be provided with air inlet, one end that interior pipe is positioned at outside connecting pipe is stretched out from outer tube, form liquid feeding end, comprise gas-liquid mixed nozzle, gas-liquid mixed nozzle is arranged on the opening end of spray gun, comprise the liquid-supplying system connecting pipe liquid feeding end in spray gun, described liquid-supplying system comprises device for storing liquid, connects the feed liquor path of device for storing liquid and interior pipe liquid feeding end and realize the auxiliary channel of release, feed liquor path is provided with measuring pump, filter and Pressure gauge A in turn along the flow direction of liquid, and the position near two ends on feed liquor path is equipped with stop valve, described auxiliary channel is connected and composed by pipeline by overflow valve and check valve, and the two ends of auxiliary channel are communicated with the connecting line between filter at Pressure gauge A respectively with on device for storing liquid and feed liquor path, comprise the air supply system connecting spray gun outer tube air inlet, the main intake channel that described air supply system comprises air compressor, connects the caisson of air compressor, is communicated with caisson and outer tube air inlet, main intake channel is provided with fore filter, gas drying apparatus, post-filter and Pressure gauge B successively along the flow direction of gas.
2. the activity excitant atomising device for metal tailings grinding system according to claim 1, it is characterized in that: described air supply system also comprises additional-air inlet path, additional-air inlet path is provided with stop valve, one end of additional-air inlet path and the front end pipeline connection of main intake channel, the other end of additional-air inlet path is communicated with the connecting line between post-filter at Pressure gauge B with on main intake channel; Connecting line between every two components and parts be connected on connecting line on the front end pipeline of main intake channel, between caisson with air compressor and on main intake channel is equipped with stop valve.
3. the activity excitant atomising device for metal tailings grinding system according to claim 1, is characterized in that: be provided with electric heater unit and agitating device in described device for storing liquid.
4. the activity excitant atomising device for metal tailings grinding system according to claim 1, it is characterized in that: described feed liquor path is also provided with fluid flow visor, and fluid flow visor is arranged on the connecting line between filter and Pressure gauge A.
5. the activity excitant atomising device for metal tailings grinding system according to claim 1, it is characterized in that: described gas-liquid mixed nozzle is made up of the nozzle head and the catch be arranged in nozzle head being provided with inner chamber, the front end of nozzle head is provided with the spray orifice be uniformly distributed along the circumference, the middle part of described catch is provided with the liquid phase hole be communicated with pipe in spray gun, is laid with in outside, liquid phase hole the multiple gas phase holes be communicated with air inlet ring cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468997.9U CN204034904U (en) | 2014-08-19 | 2014-08-19 | A kind of activity excitant atomising device for metal tailings grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468997.9U CN204034904U (en) | 2014-08-19 | 2014-08-19 | A kind of activity excitant atomising device for metal tailings grinding system |
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| Publication Number | Publication Date |
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| CN204034904U true CN204034904U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420468997.9U Expired - Lifetime CN204034904U (en) | 2014-08-19 | 2014-08-19 | A kind of activity excitant atomising device for metal tailings grinding system |
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| CN (1) | CN204034904U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190567A (en) * | 2014-08-19 | 2014-12-10 | 中材（天津）粉体技术装备有限公司 | Active exciting agent atomization device for metal tailing grinding system |
| CN107557299A (en) * | 2017-10-30 | 2018-01-09 | 黄山市中新生物科技有限公司 | A kind of liquid atomization system for cell culture |
| CN110395956A (en) * | 2019-08-15 | 2019-11-01 | 天津机电职业技术学院 | A kind of building mortar iron tailings micro mist mortar dry powder and preparation method thereof |
-
2014
- 2014-08-19 CN CN201420468997.9U patent/CN204034904U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190567A (en) * | 2014-08-19 | 2014-12-10 | 中材（天津）粉体技术装备有限公司 | Active exciting agent atomization device for metal tailing grinding system |
| CN104190567B (en) * | 2014-08-19 | 2016-12-07 | 中材（天津）粉体技术装备有限公司 | A kind of activity excitant atomising device for metal tailings grinding system |
| CN107557299A (en) * | 2017-10-30 | 2018-01-09 | 黄山市中新生物科技有限公司 | A kind of liquid atomization system for cell culture |
| CN110395956A (en) * | 2019-08-15 | 2019-11-01 | 天津机电职业技术学院 | A kind of building mortar iron tailings micro mist mortar dry powder and preparation method thereof |
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