CN213739546U - Double-medium converter stokehole ladle spraying device - Google Patents
Double-medium converter stokehole ladle spraying device Download PDFInfo
- Publication number
- CN213739546U CN213739546U CN202120602376.5U CN202120602376U CN213739546U CN 213739546 U CN213739546 U CN 213739546U CN 202120602376 U CN202120602376 U CN 202120602376U CN 213739546 U CN213739546 U CN 213739546U
- Authority
- CN
- China
- Prior art keywords
- ladle
- spray gun
- double
- valve
- spraying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Nozzles (AREA)
Abstract
A dual-medium converter stokehole ladle spraying device comprises a spraying unit, a main machine and a control unit which is respectively and electrically connected with the spraying unit and the main machine; the spraying unit comprises a double-medium spray gun and a valve box, and the valve box is connected between the double-medium spray gun and the main machine; under the control of the control unit, the host machine provides water and gas to the dual-medium spray gun for atomization so as to spray to a ladle; the control unit controls the opening and closing of the valve box. Compared with the prior art, the utility model discloses a two medium converter stokehold ladle atomizer realizes the dust removal of large tracts of land through providing water smoke, and a host computer can control a plurality of spraying units, and the overall arrangement is nimble.
Description
Technical Field
The utility model relates to the technical field of steel making, in particular to a ladle spraying device in front of a double-medium converter.
Background
Steel plays a vital role in modern industry. In the prior art, the production of rough steel is mainly carried out by converter steelmaking. The converter steelmaking means that molten iron, scrap steel and ferroalloy are used as main raw materials, and the steelmaking process is completed in a converter by means of heat generated by physical heat of molten iron and chemical reaction between molten iron components without the aid of external energy. After obtaining the molten iron in the converter, the ladle receives the molten iron in front of the converter, and then the molten iron is transported to a casting mold for casting by a traveling crane or the like running along a track. Because the molten iron in the ladle reacts with oxygen in the air, a large amount of smoke and dust can be generated at the opening of the ladle, which seriously affects the working environment and causes pollution to the atmospheric environment.
In the prior art, the method for reducing the smoke dust generated by converter steelmaking mainly comprises the following steps: the ladle is stopped in front of the furnace door and the dust is sucked into the dust remover by the negative pressure generated by the dust removing fan. However, because the front of the furnace is a semi-open space, the method needs a dust removal fan with high power to ensure that most of smoke dust is absorbed away, otherwise, the smoke dust still enters the atmosphere to cause pollution, and the dust removal efficiency is poor. And the equipment structure is complicated, so that the space required by the equipment is large, and the flexible layout on site is not facilitated.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a two medium converter stokehold ladle atomizer to improve the efficiency of removing dust.
The utility model discloses a following technical scheme realizes:
a dual-medium converter stokehole ladle spraying device comprises a spraying unit, a main machine and a control unit which is respectively and electrically connected with the spraying unit and the main machine; the spraying unit comprises a double-medium spray gun and a valve box, and the valve box is connected between the double-medium spray gun and the main machine; under the control of the control unit, the host machine provides water and gas to the dual-medium spray gun for atomization so as to spray to a ladle; the control unit controls the opening and closing of the valve box.
Compared with the prior art, the utility model discloses a two medium converter stokehold ladle atomizer realizes the dust removal of large tracts of land through providing water smoke, improves dust collection efficiency, and a host computer can control a plurality of spraying units, and the overall arrangement is nimble.
Further, the host includes a liquid supply assembly; the liquid supply assembly comprises a pressure stabilizing tank and two variable frequency pumps; the valve of the pressure stabilizing tank and the variable frequency pump are both electrically connected with the control unit; the output pipelines of the two variable frequency pumps are connected in parallel; and an output pipeline of the pressure stabilizing tank and an output pipeline of the variable frequency pump are connected in parallel and then are connected to the spraying unit. The two variable frequency pumps are mainly used and are assisted, pressure compensation is carried out when the water pressure is too low, and the two variable frequency pumps are matched with the pressure stabilizing tank to effectively maintain the water pressure, save energy and reduce consumption.
Further, the liquid supply assembly also comprises a filter with an automatic back flushing function; the filter sets up the entrance of inverter pump to equipment such as effective protection inverter pump and valve alleviate the work load that operating personnel cleared up the foreign matter simultaneously.
Further, the liquid supply assembly further comprises a flow meter electrically connected with the control unit; the flowmeter is arranged between the variable frequency pump and the valve box, and achieves the best atomization effect by controlling the water flow.
Furthermore, the control unit comprises a signal receiver and a remote controller for sending a control signal to the signal receiver, and field operators are flexibly arranged to carry out remote control through the remote controller.
Further, the valve box comprises a waterway electromagnetic valve, a waterway stop valve, a gas passage electromagnetic valve, a gas passage stop valve and a gas bypass stop valve; the waterway electromagnetic valve is connected with the double-medium spray gun after being connected with the waterway stop valve in series, and the waterway electromagnetic valve is positioned between the waterway stop valve and the double-medium spray gun; the gas path electromagnetic valve is connected with the double-medium spray gun after being connected with the gas path stop valve in series, the gas path electromagnetic valve is positioned between the gas path stop valve and the double-medium spray gun, the gas bypass stop valve is connected with the gas path electromagnetic valve in parallel and is in a normally open state with an opening angle smaller than 15 degrees, the double-medium spray gun is also kept in a slight air injection state during standby, and the spray head is prevented from being blocked.
Furthermore, the same host is connected with more than two groups of spraying units, and each group of spraying units are mutually independent so as to be convenient for setting a plurality of dust suppression points and meet the field requirements.
Further, the spraying unit further comprises an adjusting base; the double-medium spray gun is coupled with the adjusting base and can rotate around the adjusting base to adjust the spray angle so as to obtain better dust suppression effect.
Further, the double-medium spray gun is positioned between the upper part of the converter door and the travelling track, the spray head of the double-medium spray gun can be replaced, and the inclination angle of the spray head relative to the horizontal plane is 30-60 degrees, so that the spray angle and the spray range can be changed.
Further, the valve box and the double-medium spray gun are connected through a high-temperature-resistant metal hose so as to improve durability.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of a front ladle spraying device of a medium-medium converter of the present invention;
FIG. 2 is a schematic view of the installation of the spray device for the ladle in front of the medium-medium converter of the present invention;
FIG. 3 is a schematic structural diagram of a spraying unit according to the present invention;
fig. 4 is a schematic structural diagram of the liquid supply assembly of the spray unit of the present invention.
Detailed Description
Specifically, referring to fig. 1 and fig. 2, the dual-medium converter stokehole ladle spraying device of the present invention includes a spraying unit 1, a main machine 2, and a control unit 3 electrically connected to the spraying unit 1 and the main machine 2, respectively. The control unit 3 is a programmable control device such as a computer in the prior art. The spraying unit 1 is connected with the main machine 2 through a pipeline. Under the control of the control unit 3, the host 2 provides liquid and gas to the spraying unit 1 for atomization of the spraying unit 1. The spraying unit 1 is arranged between the position right above the furnace door of the converter 100 and the travelling rail 200 to spray towards a ladle (not shown) so as to achieve the effect of dust suppression.
Referring to fig. 3, the spraying unit 1 includes a dual-medium spray gun 11 and a valve box 12 connected to the main body 2. And the nozzle of the double-medium spray gun 11 downwards sprays towards the ladle. The dual-media spray gun 11 is connected with the valve box 12 through a hose. Preferably, the inclination angle of the dual media spray gun 11 with respect to the horizontal plane is 30 ° to 60 °, and the spray heads of different spray ranges can be replaced according to the size of the ladle. The valve box 12 includes a water path solenoid valve 121, a water path stop valve 122, an air path solenoid valve 123, and an air path stop valve 124 electrically connected to the control unit 3, respectively. The waterway electromagnetic valve 121 is connected in series with the waterway stop valve 122 and then connected to the liquid outlet of the dual-medium spray gun 11, and the waterway electromagnetic valve 121 is located between the waterway stop valve 122 and the dual-medium spray gun 11. The gas path electromagnetic valve 123 is connected with the gas path stop valve 124 in series and then connected with the gas outlet of the dual-medium spray gun 11, and the gas path electromagnetic valve 123 is located between the gas path stop valve 124 and the dual-medium spray gun 11. The pipeline connected with the water path solenoid valve 121 and the pipeline connected with the air path solenoid valve 123 are connected to the dual-medium spray gun 11 in parallel. Further, the spraying unit 1 further comprises an adjusting base 13 installed on the travelling rail 200, and the dual-medium spray gun 11 is fixed on the adjusting base 13 and can rotate around the adjusting base to adjust the angle of the dual-medium spray gun 11 for spraying the ladle. Preferably, the number of the spraying units 1 is more than two, the spraying units 1 can be selected from different spraying units 1 to spray at the same time or under the control of the control unit 3, different spraying units 1 are arranged at different places according to the field requirements to increase dust suppression points, and meanwhile, a set of double-medium converter stokehole ladle spraying device can be used by a plurality of converters at the same time. Further, the valve box 12 further includes an air bypass stop valve 126 connected in parallel with the air path electromagnetic valve 123, where the air bypass stop valve 126 is in a normally open state, and an opening angle is smaller than 15 °, so that in a standby state and when the air path electromagnetic valve 123 is in a closed state, the spraying unit 1 is still in a slight air injection state to prevent the dual-media spray gun 11 from being blocked.
The main unit 2 includes a liquid supply unit 21 and an air tank 22. Referring to fig. 4, the liquid supply assembly 21 includes a variable frequency pump 211 electrically connected to the control unit 3, an inlet of the variable frequency pump 211 is connected to a liquid source (not shown) such as a liquid storage tank and a tap water pipe, and an outlet of the variable frequency pump is connected to an inlet of the water stop valve 122 through a pipe. Preferably, the number of the variable frequency pumps 211 is two, and the pipeline connecting the inlets thereof is connected to the liquid source in parallel, and the pipeline connecting the outlets thereof is connected to the inlet of the waterway shutoff valve 122 in parallel; one of the variable frequency pumps 211 is a main variable frequency pump, the other variable frequency pump 211 is an auxiliary variable frequency pump, the main variable frequency pump and the auxiliary variable frequency pump work together, and when the pressure of the output liquid of the main variable frequency pump is too low, the control unit 3 starts the auxiliary variable frequency pump to supplement the pressure. The outlet of the air storage tank 22 is connected to the inlet of the air passage stop valve 124 through a pipeline. Further, the gas tank 22 is connected to a high-pressure gas source such as a high-pressure gas pump (not shown). The liquid supply assembly 21 further comprises a pressure stabilizing tank 212 with an outlet provided with a valve 2121, and a pipeline connected with the outlet of the pressure stabilizing tank 212 and a pipeline connected with the outlet of the variable frequency pump 211 are connected in parallel and then connected to the water path stop valve 122. The valve 2121 is electrically connected with the control unit 3, when a plurality of groups of spraying units 1 are connected, the pressure of the liquid output by the variable frequency pump 211 is too low, and the control unit 3 controls the valve 2121 to be opened so as to effectively maintain hydraulic pressure, save energy and reduce consumption. Further, the liquid supply assembly 21 further includes a flow meter 213 electrically connected to the control unit 3, the flow meter 213 is located between the outlet of the variable frequency pump 211 and the water path stop valve 122 to detect the liquid flow rate flowing to the valve box 12, and data detected by the flow meter 213 is sent to the control unit 3. When in use, the minimum flow value is set in the control unit 3, and the actual flow value is ensured to be larger than or equal to the minimum flow value during working so as to enhance the atomization effect. When the flow rate detected by the flow meter 213 flowing into the valve box 12 is lower than a threshold value, the control unit 3 controls the auxiliary variable frequency pump to be turned on, or opens the surge tank 212. Further, the liquid supply assembly 21 further includes a filter 214 disposed at an inlet of the inverter pump 211 to prevent foreign materials from entering the inverter pump 211. Preferably, the filter 214 has an automatic back-flushing function to prevent foreign materials from accumulating on the filter 214, protect various devices on the pipeline, and simultaneously reduce the workload of an operator. In this embodiment, the liquid output pressure of the inverter pump 211 is 1.0Mpa to 1.6Mpa, the gas output pressure of the gas storage tank 22 is 0.5Mpa to 0.8Mpa, the diameter of the generated water mist particles is between 20um to 40um, and the spraying distance is 4m to 8 m.
Further, the control unit 3 is installed in the control room of converter, still includes signal receiver (not shown) and to the remote controller 31 of signal receiver send signal, through remote controller 31 transmission signal is with remote control the utility model discloses a two medium converter stokehold ladle atomizer is convenient for the converter control room and is carried out remote control. The remote controller 31 may transmit a remote control signal such as an infrared signal, a wireless signal, etc. Preferably, the effective distance of the signal sent by the remote controller 31 is more than 150 m.
In addition, preferably, the pipeline used in the dual-medium converter stokehole ladle spraying device of the present invention is a high temperature resistant metal hose to improve the high temperature and high pressure resistance.
Compared with the prior art, the utility model discloses two medium converter stokehold ladle atomizer has following advantage:
1. compared with a dust remover, the water mist spraying device can spray large-area water mist, has high dust removal efficiency and adjustable spraying range and spraying angle;
2. the water pressure is stable, the energy is saved, the consumption is reduced, and the atomization effect is good;
3. the filter convenient for cleaning foreign matters and the gas bypass stop valve for preventing the nozzle from being blocked are arranged, so that the faults are few;
4. can carry out remote control, and can arrange a plurality of dust suppression points according to the scene, it is efficient.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides a two medium converter stokehold ladle atomizer which characterized in that: the device comprises a spraying unit, a host and a control unit which is electrically connected with the spraying unit and the host respectively; the spraying unit comprises a double-medium spray gun and a valve box, and the valve box is connected between the double-medium spray gun and the main machine; under the control of the control unit, the host machine provides water and gas to the dual-medium spray gun for atomization so as to spray to a ladle; the control unit controls the opening and closing of the valve box.
2. The dual media converter stokehole ladle spraying device of claim 1, wherein: the main machine comprises a liquid supply assembly; the liquid supply assembly comprises a pressure stabilizing tank and two variable frequency pumps; the valve of the pressure stabilizing tank and the variable frequency pump are both electrically connected with the control unit; the output pipelines of the two variable frequency pumps are connected in parallel; and an output pipeline of the pressure stabilizing tank and an output pipeline of the variable frequency pump are connected in parallel and then are connected to the spraying unit.
3. The dual media converter stokehole ladle spraying device of claim 2, characterized in that: the liquid supply assembly further comprises a filter with an automatic back flushing function; the filter is arranged at the inlet of the variable frequency pump.
4. The dual media converter stokehole ladle spraying device of claim 2, characterized in that: the liquid supply assembly further comprises a flow meter electrically connected with the control unit; the flowmeter is arranged between the variable-frequency pump and the valve box.
5. The dual media converter stokehole ladle spraying device of claim 1, wherein: the control unit comprises a signal receiver and a remote controller for sending a control signal to the signal receiver.
6. The dual media converter stokehole ladle spraying device of claim 1, wherein: the valve box comprises a waterway electromagnetic valve, a waterway stop valve, a gas path electromagnetic valve, a gas path stop valve and a gas bypass stop valve; the waterway electromagnetic valve is connected with the double-medium spray gun after being connected with the waterway stop valve in series, and the waterway electromagnetic valve is positioned between the waterway stop valve and the double-medium spray gun; the gas path electromagnetic valve is connected with the double-medium spray gun after being connected with the gas path stop valve in series, the gas path electromagnetic valve is located between the gas path stop valve and the double-medium spray gun, and the gas bypass stop valve is connected with the gas path electromagnetic valve in parallel and is in a normally open state with an opening angle smaller than 15 degrees.
7. The dual media converter stokehole ladle spraying device of claim 1, wherein: more than two groups of spraying units are connected with the same main machine.
8. The dual media converter stokehole ladle spraying device of claim 1, wherein: the spraying unit further comprises an adjusting base; the double-medium spray gun is coupled with the adjusting base and can rotate around the adjusting base to adjust the spray angle.
9. The dual media converter stokehole ladle spraying device of claim 1, wherein: the double-medium spray gun is positioned between the upper part of the converter door and the travelling rail, the spray head of the double-medium spray gun can be replaced, and the inclination angle relative to the horizontal plane is 30-60 degrees.
10. The dual media converter stokehole ladle spraying device of claim 1, wherein: the valve box is connected with the double-medium spray gun through a high-temperature-resistant metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602376.5U CN213739546U (en) | 2021-03-24 | 2021-03-24 | Double-medium converter stokehole ladle spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602376.5U CN213739546U (en) | 2021-03-24 | 2021-03-24 | Double-medium converter stokehole ladle spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213739546U true CN213739546U (en) | 2021-07-20 |
Family
ID=76838338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120602376.5U Active CN213739546U (en) | 2021-03-24 | 2021-03-24 | Double-medium converter stokehole ladle spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213739546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734023A (en) * | 2022-05-03 | 2022-07-12 | 浙江园润智能装备有限公司 | Bus bar cast-weld cooling method and cast-weld machine applying same |
-
2021
- 2021-03-24 CN CN202120602376.5U patent/CN213739546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734023A (en) * | 2022-05-03 | 2022-07-12 | 浙江园润智能装备有限公司 | Bus bar cast-weld cooling method and cast-weld machine applying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101696636A (en) | Automatic dedusting system for coal mines | |
| CN204490916U (en) | A kind of casting house atomization spray dust removal device | |
| CN213739546U (en) | Double-medium converter stokehole ladle spraying device | |
| CN203508242U (en) | Two-stage atomizing double-fluid spraying device | |
| CN203175600U (en) | Mechanical type remote mist spraying and dust removing device of full-automatic spray pipe under mine shaft | |
| CN203437031U (en) | SNCR denitration double-fluid spray device | |
| CN202438492U (en) | Compressed air blowing device | |
| CN105618293A (en) | Stable-pressure water supply spraying device and use method thereof | |
| CN210845701U (en) | Gas fog circulation sedimentation system for smoke and dust treatment | |
| CN216811759U (en) | Energy-concerving and environment-protective type tunnel high pressure fine spray dust removal cooling system | |
| CN105013653A (en) | Atomization oil coating chamber residual mist recovery system | |
| CN204329646U (en) | For the spray cooling system of cleaner | |
| CN212299318U (en) | Negative pressure VOC processing system of large-scale spraying workshop | |
| CN209405926U (en) | A kind of windrow synchronization device for reducing dust | |
| CN107261773A (en) | A kind of emission-control equipment | |
| CN203750757U (en) | Paint mist treatment system | |
| CN111228937A (en) | Gas fog circulation sedimentation system for smoke and dust treatment | |
| CN111878956A (en) | Negative-pressure VOC (volatile organic compound) treatment system and treatment method for large spraying workshop | |
| CN208960183U (en) | Corrosion protected treatment device in small-caliber steel pipe weld seam | |
| CN202934219U (en) | Plasma cutting platform | |
| CN220091878U (en) | Coating air supply and exhaust system for oversized wind power tower barrel workpiece | |
| CN105233597A (en) | Mine dust removing apparatus and mine dust removing method | |
| CN204897951U (en) | Blast furnace stokehold dust removing facility | |
| CN201534847U (en) | Coal powder injection system for blast furnace | |
| CN212417365U (en) | Dust removal device for down-the-hole hammer operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |