CN2880849Y - Self-cleaning device for gasification cooling flue pressure measuring mouth of converter - Google Patents
Self-cleaning device for gasification cooling flue pressure measuring mouth of converter Download PDFInfo
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- CN2880849Y CN2880849Y CN 200520147475 CN200520147475U CN2880849Y CN 2880849 Y CN2880849 Y CN 2880849Y CN 200520147475 CN200520147475 CN 200520147475 CN 200520147475 U CN200520147475 U CN 200520147475U CN 2880849 Y CN2880849 Y CN 2880849Y
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Abstract
The utility model relates to a self-cleaning device (1) for gasification cooling flue pressure measuring mouth of converter which contains an air cylinder (2), an air cylinder bracket (4) connected on the rear end of the air cylinder (2), a piston rod (5) installed inside the air cylinder (2), a poking needle (6) installed on the front end of the piston rod (5) which move to and from under pushing of the piston rod (5), a guide barrel (7) installed on front part of the air cylinder (2) which form a passage which leads forward movement of the poking needle (6) and the piston, air inlet and outlet piping installed at the rear end of the air cylinder (2) which connects with an air supply to provide power for the air cylinder. The utility model eliminate the clinker at the opening using a mechanical process before the clinker at the flue pressure measuring mouth is cooled down, which can ensure clear pressure measuring channel and measure the pressure at the flue entrance accurately.
Description
Technical field
The utility model relates to pressure measurement technology in a kind of converter steelmaking engineering, particularly relates to a kind of converter evaporation cooling air flue pressure tappings self-cleaning device.
Background technology
In the converter steelmaking engineering of present stage, evaporated cooling system generally designs on former sections flues of converter gas inlet three or four flue pressure tappings and pressure communication endless tube thereof.The pressure communication endless tube is connected on the automatization pressure measuring instruments by pressure catheter, can see also shown in Figure 1 bessemerizing the flue gas pressures that phase measuring converter outlet (flue entrance) is located like this.Because of this pressure value is littler than the standard atmospheric pressure of surrounding environment, be commonly referred to as " fire door elementary errors pressure ".In converter steelmaking specification of quality more and more higher present stage, the observed value of this pressure requires accurately to reflect the true pressure of flue gas, approach 0～0.8MPa scope, in order between the blowing process, to regulate the blower fan draft, the control high-temperature furnace gas improves the working efficiency of flue gas purifying equipment and the coal gas of converter quality of recovery in fire door place incendiary share.Yet splash is often relatively more serious in the converting process of converter reality, contains a large amount of solid dusts in the flue gas of generation, and the actual pressure measurements fluctuation is bigger, even finds the blocked phenomenon of pressure tappings when stove is repaiied.
This shows that above-mentioned existing converter vaporization cooling pressure measuring technology has inconvenience and defective, and demands urgently further being improved.In order to solve the problem that converter vaporization cooling pressure measuring technology exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing converter vaporization cooling pressure measuring technology exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of converter evaporation cooling air flue pressure tappings self-cleaning device of novel texture.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, a kind of converter evaporation cooling air flue pressure tappings self-cleaning device of novel texture is provided, technical problem to be solved is to make it when pressure tappings place-slag is also uncolled, remove the lime-ash at metering orifice place on the flue with mechanical system, thereby can guarantee the smooth and easy of pressure survey path, measure the pressure of flue entrance place flue gas accurately, thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of converter evaporation cooling air flue pressure tappings self-cleaning device that the utility model proposes, it comprises: a cylinder; One cylinder bracket, carriage is by being bolted to the rear end of cylinder; One piston rod is arranged in the cylinder; One discloses pin, is placed in the front end of piston rod; Under the promotion of piston rod, make back and forth movement; And be provided with guide at the fore-end of cylinder, and forming guiding and discloses the passage of pin and piston advances forward, the rear end of cylinder is provided with the turnover tracheae that is communicated with source of the gas, for cylinder provides power.
The purpose of this utility model and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device; wherein the outer cover at cylinder is provided with the protection housing; the front end of cylinder is connected with this protection housing, and the rear end of cylinder bracket is connected with the protection housing with bolt, so that the protection of the protected housing parcel of cylinder and cylinder bracket.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device, wherein said guide are provided with an opening in order to connect the pressure communication endless tube, and the measuring stress device installation is in the force value that is communicated with endless tube place measurement flue gas.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device wherein is filled with the refractory seals filler at the place, piston rod gangway of cylinder front end.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device is wherein saidly disclosed pin is connected piston rod by dismountable pin front end.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device, the wherein said pin profile of disclosing is coniform.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device, material and the trim thereof of wherein disclosing pin, guide adopt high-temperature alloy steel.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device, wherein two source of the gas interface tubes of self-cleaning device rear end setting connect gas control equipment by tracheae, make perseveration by the cylinder of gas control equipment control self-cleaning device.
Aforesaid converter evaporation cooling air flue pressure tappings self-cleaning device, the gas control equipment of self-cleaning device piston rod direction of action is switched in the turnover that wherein said gas control equipment can use the 3 position-5 way electromagnetic slide valve maybe can control source of the gas.
By technique scheme, the utility model converter evaporation cooling air flue pressure tappings self-cleaning device has following advantage at least:
The utility model is removed the tapping lime-ash at flue pressure tappings place with mechanical system, thereby can be guaranteed the smooth and easy of pressure survey path when pressure tappings place-slag is also uncolled, measures the pressure of flue entrance place flue gas accurately.
In sum, the converter evaporation cooling air flue pressure tappings self-cleaning device of the utility model special construction, it has above-mentioned many advantages and practical value, and in like product, do not see have similar structure design to publish or use and really genus innovation, no matter it is at product device, bigger improvement is all arranged on structure or the function, have large improvement technically, and produced handy and practical effect, and more existing converter vaporization cooling pressure measuring technology has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive utility value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technique means of the present utility model, and can be implemented according to the content of specification sheets, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the flue of prior art and the structural representation of flue pressure tappings.
Fig. 2 is the diagrammatic cross-section of the utility model converter evaporation cooling air flue pressure tappings self-cleaning device.
Fig. 3 is equipped with the flue of the utility model converter evaporation cooling air flue pressure tappings self-cleaning device and the structural representation of flue pressure tappings.
Fig. 4 shows the system's control chart and the self-cleaning device actuation cycle table thereof of self-cleaning device.
1: self-cleaning device 2: cylinder
3: protection housing 4: cylinder bracket
5: piston rod 6: disclose pin
7: guide 8: the pressure communication endless tube
9: converter evaporation cooling air flue 10: the flue pressure tappings
12: metrical instrument 13: electromagnetic slide valve
14: nitrogen pipe arrangement 15: nitrogen pipeline
Embodiment
For further setting forth the utility model is to reach technique means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of converter evaporation cooling air flue pressure tappings self-cleaning device, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Explanation by embodiment, when can being to reach technique means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Seeing also Fig. 2 and shown in Figure 3, is that the flue of the utility model converter evaporation cooling air flue pressure tappings self-cleaning device and the structural representation of flue pressure tappings are installed as Fig. 2.As Fig. 3 is the diagrammatic cross-section of the utility model converter evaporation cooling air flue pressure tappings self-cleaning device.
As shown in Figure 2, the converter evaporation cooling air flue pressure tappings self-cleaning device of the utility model preferred embodiment, it mainly comprises: cylinder 2, cylinder bracket 4, disclose pin 6, piston rod 5, guide 7 and protection housing 3 thereof.Wherein, nucleus equipment is a cylinder 2, and the rear end is provided with the turnover tracheae that is communicated with source of the gas, make external source of the gas not only as the power of cylinder 2, and be full of entire cylinder 2 inside, form local pressure, guarantee that the external high temperature flue gas can not be penetrated into cylinder interior a little more than normal atmosphere.The cylinder bracket 4 that cylinder 2 and its rear end are provided with is with bolting, and the front end of cylinder 2 is connected with protection housing 3; Cylinder bracket 4 rear ends are connected with protection housing 3 with bolt, and the 3 parcel protections of protected housing.By the fixing entire cylinder 2 of this spline structure.Place, piston rod 5 gangways at cylinder 2 front ends is provided with moldable refractory materials.Piston rod 5 front ends of cylinder 2 are connecting the cone shape pin 6 of disclosing by dismountable pin feature such as spiral shell mode of connection solid or other dismountings.Disclosing pin 6 is promoted by piston rod 5; move repeatedly; in addition for guaranteeing to disclose the axial action of pin 6; one guide 7 is set is fixed in cylinder protection housing 3 front ends; form guiding and disclose the passage of pin 6 and piston advances forward; and be provided with an opening and connect pressure communication endless tube 8 on this guide 7, automatization pressure measuring instruments 12 can be measured the force value of flue gas by this connection endless tube 8.
As shown in Figure 3, in order to solve problems of the prior art, and measure the pressure of flue entrance place flue gas accurately, converter evaporation cooling air flue pressure tappings self-cleaning device 1 is installed on the converter evaporation cooling air flue 9, it discloses pin 6 over against flue pressure tappings 10.The every refining of converter finishes one heat steel, non-smelting phase intermittent phase of bessemerizing, cylinder 2 actions by 3 position-5 way electromagnetic slide valve 13 control self-cleaning devices 1, nitrogen with 0.8MPa is power, promote the cylinder 2 of self-cleaning device, drive the pin 6 of disclosing that links to each other and do back and forth movement, remove 10 dust stratification slags of flue pressure tappings with disclosing pin 6.At the pressure tappings place also uncooled slag is shot down, to guarantee the smooth and easy of pressure survey path.
Please in conjunction with Fig. 2 and consult shown in Figure 4; provided the wiring layout of one 4 * self-cleaning device; self-cleaning device 1 is installed on the converter evaporation cooling air flue 9; be provided with supporting rod (not shown go out) on the housing 3 in protection; be connected (not shown go out) with flue beam or civil engineering beam, make self-cleaning device disclose pin 6 over against flue pressure tappings 10.As shown in Figure 4, the nitrogen pipe arrangement 14 (being numbered DQ DN10) that to connect two nominal diameters respectively be DN10 of the import and export on the self-cleaning device 1.When a mouth of pipe is communicated with nitrogen, promote cylinder piston rod 5 and do one-way movement, another mouth of pipe is as nitrogen outlet simultaneously.When the import and export of nitrogen reversal connection, piston rod 5 is done toward the reverse direction action.
The every refining of converter finishes one heat steel, and in the non-smelting phase, by 2 actions of 3 position-5 way electromagnetic slide valve 13 control self-cleaning device cylinders, the promotion self-cleaning device is disclosed pin 6 and done back and forth movement, removes pressure tappings place lime-ash with disclosing pin 6.Self-cleaning device actuation cycle table shown in please associative list 1, wherein+and-represent positive and negative electrode respectively, three actions of self-cleaning device 1 under the different combination of electrodes of 1CT have been provided in the table with 2CT, the control mode of self-cleaning device 1 and guiding valve electrical principle are as follows, virgin state: the source of the gas input aperture P and the nominal diameter of electromagnetic slide valve is that the nitrogen pipeline 15 of DN25 links to each other, the valve core of guiding valve mediates, P mouth and A, B mouth disconnect, self-cleaning device 1 cylinder is not ventilated, and discloses pin 6 and is in last original position state.After pressing the self-cleaning button of local control box, the 1CT energising: the guiding valve valve core moves on to the right side, air source inlet P is communicated with the A mouth, expression A mouth has the gas input, nitrogen enters cylinder by the nitrogen pipe arrangement 14 that connects, promote piston rod 5 and move forward, another interface of cylinder links to each other with R1 venting port on the valve by the B mouth of another root nitrogen distribution pipes 14 and electromagnetic slide valve 13 simultaneously, enters atmosphere with having driven the nitrogen that cylinder 2 moves.After delaying time 5 seconds, the pin 6 of disclosing of self-cleaning device 1 is shifted pressure pressure tappings 10 place's limit positions onto.The 2CT energising: the guiding valve valve core moves on to the left side, and air source inlet P communicates with the B mouth, and expression B mouth has the nitrogen input, and the A mouth links to each other with the R2 venting port.The inlet pipe of previous nitrogen becomes escape pipe, and escape pipe becomes inlet pipe, and cylinder promotion this moment piston moves backward, after delaying time 5 seconds, disclose pin 6 and fall back on the original position state, magnetic valve 13 outages, valve core is returned to the mid-way, disconnects the nitrogen path, finishes this circulation.
Table 1 self-cleaning device actuation cycle table
| Sequence of operation | 1CT | 2CT |
| 1: slag hitting | + | - |
| 2: rewind down | - | + |
| 3: stop original position | - | - |
Master mode for self-cleaning device 1 mainly designs according to cylinder specific form and processing requirement.In fact as long as guiding valve can switch the direction of action of self-cleaning device cylinder piston rod by the turnover pipe of source of the gas, the magnetic valve and the cylinder of other type also can be applicable in this equipment.
In addition, because dust is bigger in the steelshop, workshop condition temperature on average is up to 55 ℃.The more direct high-temperature flue gas with 1500 ℃ of pin 6, guide 7 and trim of disclosing of converter evaporation cooling air flue pressure tappings self-cleaning device is connected, and adopts high-temperature alloy steel so disclose pin 6, guide 7 materials and trim.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (9)
1, a kind of converter evaporation cooling air flue pressure tappings self-cleaning device is characterized in that it comprises:
One cylinder (2);
One cylinder bracket (4), carriage is by being bolted to the rear end of cylinder (2);
One piston rod (5) is arranged in the cylinder (2);
One discloses pin (6), is placed in the front end of piston rod (5), makes back and forth movement under the promotion of piston rod; And
Fore-end at cylinder (2) is provided with guide (7), forms guiding and discloses the passage of pin (6) and piston advances forward, and the rear end of cylinder (2) is provided with the turnover tracheae that is communicated with source of the gas, for cylinder provides power.
2, self-cleaning device according to claim 1; it is characterized in that being provided with protection housing (3) in the outer cover of cylinder (2); the front end of cylinder (2) is connected with this protection housing (3); the rear end of cylinder bracket (4) is connected with protection housing (3) with bolt, so that cylinder (2) and the protection of the protected housing of cylinder bracket (4) (3) parcel.
3, self-cleaning device according to claim 1 is characterized in that wherein said guide (7) is provided with an opening in order to connect pressure communication endless tube (8), and the measuring stress device installation locates to measure the force value of flue gas at connection endless tube (8).
4, self-cleaning device according to claim 1 is characterized in that locating to fill out to be provided with the refractory seals filler in piston rod (5) gangway of cylinder (2) front end.
5, self-cleaning device according to claim 1 is characterized in that wherein said pin (6) is connected piston rod (5) by dismountable pin the front end of disclosing.
6, self-cleaning device according to claim 1 is characterized in that wherein said to disclose pin (6) profile be coniform.
7, self-cleaning device according to claim 1 or 5 is characterized in that material and the trim thereof of disclosing pin (6), guide (7) adopt high-temperature alloy steel.
8, self-cleaning device according to claim 1 is characterized in that two source of the gas interface tubes that the self-cleaning device rear end is provided with connect gas control equipment by tracheae (14), makes perseveration by the cylinder (2) of gas control equipment control self-cleaning device.
9, self-cleaning device according to claim 8 is characterized in that wherein said gas control equipment can use 3 position-5 way electromagnetic slide valve (13) maybe can control the turnover of source of the gas, switches the gas control equipment of self-cleaning device piston rod (5) direction of action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520147475 CN2880849Y (en) | 2005-12-26 | 2005-12-26 | Self-cleaning device for gasification cooling flue pressure measuring mouth of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520147475 CN2880849Y (en) | 2005-12-26 | 2005-12-26 | Self-cleaning device for gasification cooling flue pressure measuring mouth of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880849Y true CN2880849Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520147475 Expired - Lifetime CN2880849Y (en) | 2005-12-26 | 2005-12-26 | Self-cleaning device for gasification cooling flue pressure measuring mouth of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880849Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399935A (en) * | 2011-11-11 | 2012-04-04 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Device and method for improving gas effect of OG (Oxygen Gas Recovery System) method recovery converter |
| WO2012095475A3 (en) * | 2011-01-14 | 2012-10-11 | Shell Internationale Research Maatschappij B.V. | Gasification reactor |
| CN108469030A (en) * | 2018-04-11 | 2018-08-31 | 山西沁新能源集团股份有限公司 | A kind of wet desulphurization flue slag cleaning device |
| CN110863082A (en) * | 2019-12-12 | 2020-03-06 | 北京京诚科林环保科技有限公司 | Flue pressure tapping self-cleaning device with back-blowing function and vaporization cooling flue |
| CN112032359A (en) * | 2020-09-29 | 2020-12-04 | 神华（福州）罗源湾港电有限公司 | Switching device for outlet channel of sealing fan |
| CN113025775A (en) * | 2021-02-08 | 2021-06-25 | 中国重型机械研究院股份公司 | Automatic desilting system and method for sampling hole of converter vaporization flue |
| CN113046514A (en) * | 2021-02-08 | 2021-06-29 | 中国重型机械研究院股份公司 | Automatic blockage clearing system and method for sampling hole of converter vaporization flue |
-
2005
- 2005-12-26 CN CN 200520147475 patent/CN2880849Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095475A3 (en) * | 2011-01-14 | 2012-10-11 | Shell Internationale Research Maatschappij B.V. | Gasification reactor |
| CN103298916A (en) * | 2011-01-14 | 2013-09-11 | 国际壳牌研究有限公司 | Gasification reactor |
| CN103298916B (en) * | 2011-01-14 | 2015-06-03 | 国际壳牌研究有限公司 | Gasification reactor |
| CN102399935A (en) * | 2011-11-11 | 2012-04-04 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Device and method for improving gas effect of OG (Oxygen Gas Recovery System) method recovery converter |
| CN102399935B (en) * | 2011-11-11 | 2015-10-07 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of device and method improving OG method recovery coal gas of converter effect |
| CN108469030A (en) * | 2018-04-11 | 2018-08-31 | 山西沁新能源集团股份有限公司 | A kind of wet desulphurization flue slag cleaning device |
| CN110863082A (en) * | 2019-12-12 | 2020-03-06 | 北京京诚科林环保科技有限公司 | Flue pressure tapping self-cleaning device with back-blowing function and vaporization cooling flue |
| CN112032359A (en) * | 2020-09-29 | 2020-12-04 | 神华（福州）罗源湾港电有限公司 | Switching device for outlet channel of sealing fan |
| CN113025775A (en) * | 2021-02-08 | 2021-06-25 | 中国重型机械研究院股份公司 | Automatic desilting system and method for sampling hole of converter vaporization flue |
| CN113046514A (en) * | 2021-02-08 | 2021-06-29 | 中国重型机械研究院股份公司 | Automatic blockage clearing system and method for sampling hole of converter vaporization flue |
| CN113025775B (en) * | 2021-02-08 | 2022-07-01 | 中国重型机械研究院股份公司 | Automatic dredging system and method for sampling hole of converter vaporization flue |
| CN113046514B (en) * | 2021-02-08 | 2022-07-05 | 中国重型机械研究院股份公司 | Automatic blockage cleaning system and method for sampling hole of converter vaporization flue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing CERI CCO Technology Corp. Assignor: Zhongye Jingcheng Engineering Technology Co., Ltd. Contract record no.: 2013110000034 Denomination of utility model: Self-cleaning device for gasification cooling flue pressure measuring mouth of converter Granted publication date: 20070321 License type: Exclusive License Record date: 20130712 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070321 |
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| EXPY | Termination of patent right or utility model |