CN104384038A - Spraying device - Google Patents
Spraying device Download PDFInfo
- Publication number
- CN104384038A CN104384038A CN201410596759.0A CN201410596759A CN104384038A CN 104384038 A CN104384038 A CN 104384038A CN 201410596759 A CN201410596759 A CN 201410596759A CN 104384038 A CN104384038 A CN 104384038A
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- CN
- China
- Prior art keywords
- storage tank
- injection apparatus
- multiple storage
- powder
- fluidising units
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- Nozzles (AREA)
Abstract
The invention discloses a spraying device. The spraying device comprises a fluidization unit, multiple storage tanks and a secondary pressurized nozzle, wherein the fluidization unit is provided with an upper end feeding port, a lower end discharging port and a bottom gas inlet, the multiple storage tanks are respectively connected with the upper end feeding port of the fluidization unit; the multiple storage tanks are arranged above the fluidization unit in the axial direction, the secondary pressurized nozzle is connected with the lower end discharging port of the fluidization unit. The spraying device is used for realizing the continuous powder spraying, and ensuring the powder spraying consistency.
Description
Technical field
The invention belongs to metallurgy, heating power and chemical field, specifically, the present invention relates to a kind of injection apparatus.
Background technology
In metallurgy, heating power and chemical industry, be widely applied to injection technology equipment, the amount of dusting is increasing at present, but storage tank can not correspondingly increase thereupon, charging times is inevitably brought to get more and more, need stopping to dust operation in process of feeding in raw material while labour intensity is large, can not work continuously, bring certain trouble to production.And dust for material scope expand further, different particle diameters and powder density require higher to the adaptability of equipment.To dust handling situations for HTHP in addition, how to improve injecting velocity and pressure, improve to optimize and improve powder to air ratio, prevent Pulsating Flow simultaneously, gun slot blocks, and is also the problems needing to solve further.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of injection apparatus, and this device can realize the continuous injection of powder, and ensures the uniformity of spraying powder.
In one aspect of the invention, the present invention proposes a kind of injection apparatus, comprise: fluidising units, multiple storage tank and secondary pressurized nozzle, wherein, described fluidising units is provided with upper end charging aperture, lower end discharging opening and bottom gas inlet, described multiple storage tank is connected with the upper end charging aperture of described fluidising units respectively, and in the axial direction, described multiple storage tank is arranged on the top of described fluidising units, and described secondary pressurized nozzle is connected with the lower end discharging opening of described fluidising units.
According to the injection apparatus of the embodiment of the present invention by arranging multiple storage tank, because the plurality of storage tank can alternate turns blanking, therefore the continuous injection of powder can be realized, thus improve the operating efficiency of whole system, simultaneously multiple storage tank is arranged in pairs or groups a fluidising units and a secondary pressurized nozzle jointly, the uniformity that powder sprays can be realized, thus ensure that the stability of system cloud gray model.
In addition, the system utilizing calcium carbide melt waste heat to carry out carbon thermal reduction according to the above embodiment of the present invention can also have following additional technical characteristic:
In some embodiments of the invention, each of described multiple storage tank comprises respectively: housing, limits storage space in described housing; Charging door, described charging door is arranged on the top of described housing; Gas access, described gas access is arranged on the top of described housing; And powder outlet, described powder outlet is connected with the upper end charging aperture of described fluidising units.Thus, the continuity that powder sprays can be realized.
In some embodiments of the invention, in charging door and powder outlet described in each of described multiple storage tank, ball valve is set respectively.Thus, the continuity of powder injection can be realized by ball valve.
In some embodiments of the invention, described injection apparatus comprises further: trunnion, and described trunnion is arranged between the lower end discharging opening of described fluidising units and described secondary pressurized nozzle; First flange, described first flange is arranged between described storage tank and described fluidising units; And second flange, described second flange is arranged between described fluidising units and described secondary pressurized nozzle.Thus, can change fluidising units as required.
In some embodiments of the invention, the bottom gas inlet of described fluidising units is compressed air, nitrogen or Ar inlet.
In some embodiments of the invention, the gas access of described storage tank is compressed air, nitrogen or Ar inlet.Thus, the continuity of spraying powder can be realized further.
In some embodiments of the invention, described injection apparatus comprises further: control unit, and described control unit is connected with each of described multiple storage tank respectively.Thus, the continuity of spraying powder can be realized further.
In some embodiments of the invention, described injection apparatus comprises two storage tanks.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is injection apparatus structural representation according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In one aspect of the invention, the present invention proposes a kind of injection apparatus.Below with reference to Fig. 1, the injection apparatus of the embodiment of the present invention is described in detail.According to embodiments of the invention, this injection apparatus comprises: fluidising units 11, multiple storage tank 12 and secondary pressurized nozzle 13.
According to embodiments of the invention, fluidising units 11 is provided with upper end charging aperture 14, lower end discharging opening 15 and bottom gas inlet 16, for by powder fluidization.According to a particular embodiment of the invention, bottom gas inlet 16 can be compressed air, nitrogen or Ar inlet.
According to embodiments of the invention, multiple storage tank 12 is connected with the upper end charging aperture 14 of fluidising units respectively, and in the axial direction, multiple storage tanks 12 are arranged on the top of fluidising units 11, according to a particular embodiment of the invention, each of multiple storage tank 12 comprises respectively: housing 17, charging door 18, gas access 19 and powder outlet 20, and according to concrete example of the present invention, the gas access 19 of storage tank can be compressed air, nitrogen or Ar inlet.
Concrete, limit storage space (not shown) in housing 17, charging door 18 is arranged on the top of housing 17, for supplying powder in storage space; Gas access 19 is arranged on the top of housing 17, for supply gas in storage space, to make powder discharge storage space smoothly; Powder outlet 20 is connected with the upper end charging aperture 14 of fluidising units, for powder is discharged storage space.
According to a particular embodiment of the invention, in each charging door 18 of multiple storage tank 12 and powder outlet 20, ball valve (not shown) is set respectively, for closing and opening charging door 18 and powder outlet 20.
According to a particular embodiment of the invention, storage tank 12 can be two, i.e. the first storage tank and the second storage tank.
According to embodiments of the invention, secondary pressurized nozzle 13 is connected with the lower end discharging opening 15 of fluidising units 11, according to a particular embodiment of the invention, fluidizator and pressurizer is provided with in secondary pressurized nozzle, thus, can realize again carrying out fluidization and pressurization to fluidization powder, thus the further fluidised powder obtained is discharged injection apparatus, prevent pipeline generation pulsation phenomenon or spray nozzle clogging phenomenon.
According to embodiments of the invention, injection apparatus comprises further: trunnion 21, first flange 22, second flange 23 and control unit 24, according to a particular embodiment of the invention, trunnion 21 is arranged between the lower end discharging opening 15 of fluidising units 11 and secondary pressurized nozzle 13, for controlling the flow velocity of fluidization powder; First flange 22 is arranged between storage tank 12 and fluidising units 11, second flange 23 is arranged between fluidising units 11 and secondary pressurized nozzle 13, to change fluidising units in time according to powder particles size, the applicability of this injection apparatus can be significantly improved thus; Control unit 24 is connected with each of storage tank 12 respectively, for controlling the ball valve at storage tank charging door 18 and powder outlet 20 place, to close the ball valve at powder outlet 20 place after the first storage tank discharged completely by powder in time, and open the ball valve at charging door 18 place of the first storage tank, open the second storage tank powder outlet place ball valve simultaneously, thus realize the continuous injection of powder.
According to embodiments of the invention, injection apparatus comprises public feed bin (not shown) further, according to a particular embodiment of the invention, public feed bin to be positioned at above multiple storage tank and to have bin outlet (not shown), and bin outlet is connected respectively with the charging door of multiple storage tank.Inventor finds, because storage tank is with pressure, inconvenient charging with pressure, adopts the public feed bin of a normal pressure to coordinate multiple storage tank thus, can realize normal pressure disposable a large amount of reinforced, can be convenient to continuous charging, handled easily.
Concrete, first the ball valve at the first storage tank and the second storage tank charging door place is opened by control unit, close the ball valve at the first storage tank and the second storage tank powder outlet place, charging door respectively by the first storage tank and the second tank top supplies powder in the storage space of storage tank, after powder is filled it up with, close the ball valve at the first storage tank and the second storage tank place, open the ball valve at the powder outlet place of the first storage tank, supply nitrogen or compressed air from the gas access of storage tank and the bottom gas inlet of fluidising units respectively to storage space and fluidising units simultaneously, and the flow velocity of fluidization powder is controlled by trunnion, treat that fluidization powder is to secondary pressurized nozzle place, owing to there is fluidizator and pressurizer in secondary pressurized nozzle, make fluidization powder through secondary pressurized nozzle by further fluidization and pressurization, thus the further fluidised powder obtained is discharged injection apparatus, after in the first storage tank, powder discharges storage space completely, close the ball valve at the first storage tank powder outlet place, open charging door place ball valve, powder is supplied in the first storage space, open the ball valve at the powder outlet place of the second storage tank simultaneously, powder in second storage tank discharges injection apparatus through fluidising units and secondary pressurized nozzle successively, and can by adjustment flow velocity, make storage tank charge time identical with the storing time, thus, after in the second storage tank, powder is discharged completely, just in time powder is filled in first storage tank, realize alternately using continuously of two storage tanks, thus improve the operating efficiency of whole system.
According to the injection apparatus of the embodiment of the present invention by arranging multiple storage tank, because the plurality of storage tank can alternate turns blanking, therefore the continuous injection of powder can be realized, thus improve the operating efficiency of whole system, simultaneously multiple storage tank is arranged in pairs or groups a fluidising units and a secondary pressurized nozzle jointly, the uniformity that powder sprays can be realized, thus ensure that the stability of system cloud gray model.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (8)
1. an injection apparatus, it is characterized in that, comprise: fluidising units, multiple storage tank and secondary pressurized nozzle, wherein, described fluidising units is provided with upper end charging aperture, lower end discharging opening and bottom gas inlet, and described multiple storage tank is connected with the upper end charging aperture of described fluidising units respectively, and in the axial direction, described multiple storage tank is arranged on the top of described fluidising units, and described secondary pressurized nozzle is connected with the lower end discharging opening of described fluidising units.
2. injection apparatus according to claim 1, is characterized in that, each of described multiple storage tank comprises respectively:
Housing, limits storage space in described housing;
Charging door, described charging door is arranged on the top of described housing;
Gas access, described gas access is arranged on the top of described housing; And
Powder outlet, described powder outlet is connected with the upper end charging aperture of described fluidising units.
3. injection apparatus according to claim 2, is characterized in that, arranges ball valve respectively in charging door and powder outlet described in each of described multiple storage tank.
4. injection apparatus according to claim 1, is characterized in that, described injection apparatus comprises further:
Trunnion, described trunnion is arranged between the lower end discharging opening of described fluidising units and described secondary pressurized nozzle;
First flange, described first flange is arranged between described storage tank and described fluidising units; And
Second flange, described second flange is arranged between described fluidising units and described secondary pressurized nozzle.
5. injection apparatus according to claim 1, is characterized in that, the bottom gas inlet of described fluidising units is compressed air, nitrogen or Ar inlet.
6. injection apparatus according to claim 2, is characterized in that, the gas access of described storage tank is compressed air, nitrogen or Ar inlet.
7. injection apparatus according to claim 1, is characterized in that, described injection apparatus comprises further: control unit, and described control unit is connected with each of described multiple storage tank respectively.
8. injection apparatus according to claim 7, is characterized in that, described injection apparatus comprises two storage tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596759.0A CN104384038A (en) | 2014-10-29 | 2014-10-29 | Spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596759.0A CN104384038A (en) | 2014-10-29 | 2014-10-29 | Spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104384038A true CN104384038A (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410596759.0A Pending CN104384038A (en) | 2014-10-29 | 2014-10-29 | Spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104384038A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013380A (en) * | 2015-06-24 | 2015-11-04 | 安徽东风机电科技股份有限公司 | Gas-powder mixing device |
| CN105035767A (en) * | 2015-06-24 | 2015-11-11 | 安徽东风机电科技股份有限公司 | Gas and powder mixing and releasing device |
| CN107012274A (en) * | 2017-02-24 | 2017-08-04 | 江苏省冶金设计院有限公司 | The system and method for handling iron ore |
Citations (7)
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|---|---|---|---|---|
| CN2048060U (en) * | 1989-03-21 | 1989-11-22 | 水利电力部中南勘测设计院 | Full-auto gasification-injection conveying pump |
| CN2173768Y (en) * | 1993-09-01 | 1994-08-10 | 邱瑞东 | High-efficiency air jet pump |
| CN2541410Y (en) * | 2002-03-27 | 2003-03-26 | 南昌有色冶金设计研究院 | Valve controlled weight reducing continuous metering device for pulverulent material |
| CN2683607Y (en) * | 2003-10-01 | 2005-03-09 | 李鲁伯 | Powder feeding device with multiple stock bins |
| CN101082066A (en) * | 2007-07-03 | 2007-12-05 | 上海宝钢工程技术有限公司 | Technical method for spraying waste plastics particle into blast furnace and production facility |
| CN102009849A (en) * | 2009-09-08 | 2011-04-13 | 镇江市电站辅机厂 | Pneumatic conveying method for powder materials |
| CN204122282U (en) * | 2014-10-29 | 2015-01-28 | 北京华福神雾工业炉有限公司 | Injection apparatus |
-
2014
- 2014-10-29 CN CN201410596759.0A patent/CN104384038A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048060U (en) * | 1989-03-21 | 1989-11-22 | 水利电力部中南勘测设计院 | Full-auto gasification-injection conveying pump |
| CN2173768Y (en) * | 1993-09-01 | 1994-08-10 | 邱瑞东 | High-efficiency air jet pump |
| CN2541410Y (en) * | 2002-03-27 | 2003-03-26 | 南昌有色冶金设计研究院 | Valve controlled weight reducing continuous metering device for pulverulent material |
| CN2683607Y (en) * | 2003-10-01 | 2005-03-09 | 李鲁伯 | Powder feeding device with multiple stock bins |
| CN101082066A (en) * | 2007-07-03 | 2007-12-05 | 上海宝钢工程技术有限公司 | Technical method for spraying waste plastics particle into blast furnace and production facility |
| CN102009849A (en) * | 2009-09-08 | 2011-04-13 | 镇江市电站辅机厂 | Pneumatic conveying method for powder materials |
| CN204122282U (en) * | 2014-10-29 | 2015-01-28 | 北京华福神雾工业炉有限公司 | Injection apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013380A (en) * | 2015-06-24 | 2015-11-04 | 安徽东风机电科技股份有限公司 | Gas-powder mixing device |
| CN105035767A (en) * | 2015-06-24 | 2015-11-11 | 安徽东风机电科技股份有限公司 | Gas and powder mixing and releasing device |
| CN105035767B (en) * | 2015-06-24 | 2018-01-19 | 安徽东风机电科技股份有限公司 | A kind of gas powder blending, release device |
| CN107012274A (en) * | 2017-02-24 | 2017-08-04 | 江苏省冶金设计院有限公司 | The system and method for handling iron ore |
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| CB02 | Change of applicant information |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Applicant after: HONGYANG METALLURGICAL ENGINEERING TECHNOLOGY CO., LTD. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Applicant before: Beijing Huafu Shenwu Industrial Furnace Co., Ltd. |
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Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |