CN203960248U - A kind of flue dust proofing unit and flue dust pipeline blockage removal system thereof - Google Patents
A kind of flue dust proofing unit and flue dust pipeline blockage removal system thereof Download PDFInfo
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- CN203960248U CN203960248U CN201420395978.8U CN201420395978U CN203960248U CN 203960248 U CN203960248 U CN 203960248U CN 201420395978 U CN201420395978 U CN 201420395978U CN 203960248 U CN203960248 U CN 203960248U
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- bye
- pass
- flue dust
- removal system
- blockage removal
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Abstract
The utility model discloses a kind of flue dust pipeline blockage removal system of flue dust proofing unit, comprise main line, the bye-pass stretching out from described main line, described bye-pass is provided with pars contractilis, described pars contractilis can telescopic moving in described bye-pass, the telescopic end of described pars contractilis has deashing portion, and described deashing portion can remove the dust stratification of described bye-pass inwall.Rely on the ash disposal block clearing of deashing portion, belong to mechanical block clearing mode, can guarantee block clearing effect; And bye-pass does not communicate with other external environments propulsion source except pars contractilis, be that deashing process can not damage staff and external environment, deashing at any time, such as, staff is regularly block clearing rule of thumb, or according to the random block clearing of service condition, and be not subject to the restriction of working condition.The utility model also discloses a kind of flue dust proofing unit.
Description
Technical field
The utility model relates to flue dust pipeline block clearing technical field, particularly a kind of flue dust proofing unit and flue dust pipeline blockage removal system thereof.
Background technology
Present stage, China to atmosphere environmental protection particularly pay attention to, also comparatively strict to the emission standard of flue dust, blast furnace gas cloth bag dedusting is comprised of some cylindrical shells, wherein contain a large amount of poisonous coal gas, conventionally need to detect the upper and lower line pressure of the built-in card of cylindrical shell, to judge pressure reduction, control jetting deashing.。
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of the first blast furnace gas proofing unit to existing two kinds of blast furnace gas proofing units; Fig. 2 is the structural representation of the second blast furnace gas proofing unit.
In order not affect flue dust pipeline, as the normal work of dedusting of blast furnace gas cylindrical shell, conventionally from main line 100, stretch out bye-pass, and the pressure of bye-pass is detected, to obtain the pressure of main line 100, yet the radial dimension of bye-pass is more much smaller than the radial dimension of main line 100, its ingress is often stopped up because dust concentration is too high, need to carry out effective block clearing to this place.
As depicted in figs. 1 and 2, two kinds of proofing units include main line 100, bye-pass 101 and from bye-pass 101, lead to the detection bye-pass 102 of pressure instrumentation 300, and blast furnace gas flows to successively bye-pass 101, detects bye-pass 102 until pressure instrumentation 300 from main line 100.
The one end below bye-pass 101 being contacted with external environment is defined as bye-pass 101 ends.In blockage removal system, the end of bye-pass 101 is all hedged off from the outer world under working condition.
As shown in Figure 1, the first blockage removal system is provided with pipe plug 200 at the end of bye-pass 101, once bye-pass 101 stops up, manually opens pipe plug 200, and utilizes the instruments such as crooked chisel manually to remove the dust stratification of bye-pass 101 inwalls and entrance.
Because the flue dust in pipeline is harmful, once generation line clogging, can only can carry out block clearing operation during waiting facilities shut-down maintenance, equipment is in service cannot deashing, can cause so the stifled ash of bye-pass 101 serious, and affect the accuracy in detection of pressure instrumentation 300.
For can be when dust stratification exists timely deashing, in prior art, also there is following the second proofing unit, it has another blockage removal system.
The bye-pass 101 end flange seals of the second proofing unit, and, bye-pass 101 is also extended with deashing bye-pass 103, and the other end of deashing bye-pass 103 and nitrogen gas supply equipment connection, nitrogen gas supply equipment contains sufficient nitrogen, and its wirking pressure is 0.3-0.4Mpa (MPa), once bye-pass 101 stops up, open the magnetic valve being arranged on deashing bye-pass 103, nitrogen enters bye-pass 101 from deashing bye-pass 103, by the dust stratification of airflow scouring pipeline inner wall.
The wirking pressure of the nitrogen of using due to deashing is 0.3-0.4Mpa, and flue dust pressure in bye-pass 101 is approximately 0.2Mpa, and the two pressure difference is less, utilizes gas flow purging block clearing, easily causes deashing not thorough.
Similarly, if above-mentioned blockage removal system is used for the flue dust piping system of other functions, such as, bye-pass 101, for to other Pipeline transport flue dust, so, also will affect and carry effect.
Therefore, how improving flue dust pipeline blockage removal system, make that its deashing is thorough, deashing is timely, thereby guarantee the use properties of flue dust pipeline, is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is for providing a kind of flue dust pipeline blockage removal system.This flue dust pipeline blockage removal system deashing thoroughly, in time, can guarantee the use properties of flue dust pipeline.Another object of the present utility model is for providing a kind of flue dust proofing unit.
For solving the problems of the technologies described above, the utility model provides a kind of flue dust pipeline blockage removal system of flue dust proofing unit, comprise main line, the bye-pass stretching out from described main line, described bye-pass is provided with pars contractilis, described pars contractilis can telescopic moving in described bye-pass, the telescopic end of described pars contractilis has deashing portion, and described deashing portion can remove the dust stratification of described bye-pass inwall.
So, rely on the ash disposal block clearing of deashing portion, belong to mechanical block clearing mode, can guarantee block clearing effect; And, bye-pass does not communicate with other external environments propulsion source except pars contractilis, deashing process can not damage staff and external environment, deashing at any time, such as, staff is regularly block clearing rule of thumb, or according to the random block clearing of service condition, and is not subject to the restriction of working condition.
Preferably, also comprise cylinder, described pars contractilis comprises the expansion link of described cylinder, and the telescopic end of described expansion link has described deashing portion, and described cylinder is connected with the end flange of described bye-pass.
Preferably, described deashing portion comprises the flexure strip being locked at described telescopic end, and the outer rim of described flexure strip and the internal perisporium of described bye-pass closely cooperate.
Preferably, described telescopic end has outside screw; Also comprise two set nuts that coordinate with described outside screw, described flexure strip is locked on described outside screw, and is clamped by set nut described in two.
Preferably, described telescopic end has to the outstanding spur of described main line.
Preferably, also comprise and be connected to the admission passage of described cylinder and be arranged on the magnetic valve on described admission passage; Also comprise electric control gear, described electric control gear is controlled described magnetic valve break-make.
The utility model also provides a kind of flue dust proofing unit, comprise flue dust pipeline blockage removal system and detecting instrument, described flue dust pipeline blockage removal system is the flue dust pipeline blockage removal system described in above-mentioned any one, described bye-pass has the secondary bye-pass stretching out from it, and described detecting instrument is connected in described secondary bye-pass.
Owing to having flue dust pipeline blockage removal system, therefore, this flue dust proofing unit has the beneficial effect identical with it.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first blast furnace gas proofing unit;
Fig. 2 is the structural representation of the second blast furnace gas proofing unit;
The structural representation of a kind of flue dust pipeline blockage removal system that Fig. 3 provides for the utility model;
Fig. 4 is that the A-A of flue dust pipeline blockage removal system in Fig. 3 is to view.
Fig. 5 is the schematic cross-sectional view of the flexure strip in Fig. 4;
A kind of structural representation with the flue dust proofing unit of flue dust pipeline blockage removal system that Fig. 6 provides for the utility model.
Fig. 1-Fig. 2:
Main line 100, bye-pass 101, detection bye-pass 102, deashing bye-pass 103, pipe plug 200, pressure instrumentation 300
Fig. 3-Fig. 6:
Main line 1, bye-pass 11, cylinder 2, expansion link 21, flexure strip 22, set nut 23, spur 210, admission passage 111, magnetic valve 1110, bye-pass flange 11a, cylinder flange 2a, detecting instrument 3, secondary bye-pass 4
Embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 3 and Fig. 4, the structural representation of a kind of flue dust pipeline blockage removal system that Fig. 3 provides for the utility model; Fig. 4 is that the A-A of flue dust pipeline blockage removal system in Fig. 3 is to view.
As shown in Figure 3, this flue dust pipeline blockage removal system, for flue dust proofing unit, comprises main line 1, and the bye-pass 11 stretching out from main line 1, and main line 1 is the mobile main place of flue dust, and bye-pass 11 makes flue dust can distribute main line 1.
Bye-pass 11 is provided with pars contractilis, and this pars contractilis can be in the telescopic moving of the inside of bye-pass 11, and, also thering is deashing portion, this deashing portion is arranged on the telescopic end of pars contractilis, and can remove the dust stratification on bye-pass 11 internal perisporiums.
Should be appreciated that above-mentioned bye-pass 11 refers to and the direct-connected pipeline of main line 1, it is preferably the pipeline of craspedodrome, and mobile place can be provided for the pars contractilis of rigidity; Certainly, it can be also the pipeline of bending, and is applicable to flexible pars contractilis, and this flexibility pars contractilis should be able to be according to the shape conversion mobile route of pipeline.
As described in the background art, the bye-pass 11 in blockage removal system is not connected with environment, and still, it should be able to be communicated with the propulsion source of pars contractilis, to guarantee that pars contractilis normally works.Such as, if pars contractilis relies on gas push flexible, can be connected with gas transfer pipeline; If rely on liquid-driving flexible, can be connected with liquid transmission pipeline; If it is flexible to rely on circuit to control, electronic control circuit should be electrically connected to pars contractilis etc. through bye-pass 11.
So, rely on the ash disposal block clearing of deashing portion, belong to mechanical block clearing mode, can guarantee ash-removal effect; And, bye-pass 11 does not communicate with other external environments propulsion source except pars contractilis, deashing process can not damage staff and external environment, deashing at any time, such as, staff is regularly block clearing rule of thumb, or according to the random block clearing of service condition, and is not subject to the restriction of working condition.
Below bye-pass 11 is defined as to the end of bye-pass 11 away from one end of main line 1.
Further, can also comprise cylinder 2, cylinder 2 has expansion link 21, and above-mentioned pars contractilis comprises this expansion link 21, and the telescopic end of this expansion link 21 is provided with deashing portion, and, this cylinder 2 seals with the opposed distal end of bye-pass 11, and one end that expansion link 21 of cylinder 2 stretches out is connected with bye-pass 11 flanges, and the end of bye-pass 11 has bye-pass flange 11a, the periphery wall of cylinder 2 has cylinder flange 2a, bye-pass flange 11a and cylinder flange 2a sealing docking.
The operating procedure that finished product cylinder 2 is assembled to bye-pass 11 is convenient, and cylinder 2 self has columnar periphery wall, and volume is little, lightweight, and it can be made as easily with the size of bye-pass 11 and match, easy to process.
Certainly, can also adopt hydro-cylinder, but hydro-cylinder is generally made by steel material, its weight is large compared with cylinder 2, and, in flue dust pipeline blockage removal system, expansion link 21 does not need to export very heavy load, therefore, cylinder 2, possessing on the basis of corresponding output load, is more conducive to the lightweight of blockage removal system.
Or, pars contractilis can also comprise whole and bye-pass 11 inwalls laminatings, can controlled flexible telescopic mast.
Please refer to Fig. 5, Fig. 5 is the schematic cross-sectional view of the flexure strip in Fig. 4.
As shown in Figure 5, above-mentioned deashing portion can comprise the flexure strip 22 being locked at telescopic end, and the outer rim of this flexure strip 22 should fit tightly with the internal perisporium of bye-pass 11.Flexure strip 22 belongs to soft body structure, and in the moving process of expansion link 21, it can strike off dust stratification from bye-pass 11 inwalls, and does not damage bye-pass 11 inwalls.
Certainly, deashing portion can be also other structures such as hard lamellar body, block, as long as it has the dust stratification that enough hardness can be struck off inwall, still, hardness is unsuitable excessive, otherwise can damage bye-pass 11.
This flexure strip 22, in the process of dust stratification of striking off bye-pass 11 inwalls, may stop that flue dust normally passes through, but this process is very of short duration, and it is extremely small on the impact of flue dust proper flow, negligible.
The transverse section of this flexure strip 22 is preferably as shown in Figure 5, and flexure strip 22 is annular.
Should be appreciated that above-mentioned fitting tightly refers to, flexure strip 22 is enough to strike off dust stratification with the laminating degree of tube wall, between the two, can have small gap, stuck in bye-pass 11 to prevent flexure strip 22.
Further, this blockage removal system can also comprise two set nuts 23, and the telescopic end of expansion link 21 can also have outside screw, and set nut 23 coordinates and screws with outside screw, and flexure strip 22 is locked on outside screw, and is clamped between the two by two set nuts 23.The mode that adopts screw thread to screw is fixed on telescopic end by flexure strip 22, not only can guarantee fixed effect, and simple, easy accessibility.Certainly, also can directly flexure strip 22 be bonded in to telescopic end.
Further, the telescopic end of expansion link 21 can also have to the outstanding spur 210 of main line 1, and the utility model is not construed as limiting the specific constructive form of this spur 210, as long as it has the end that sharp type is outstanding.The easiest dust stratification of interface of main line 1 and bye-pass 11, and, once the deashing timed interval is long, or dust concentration is too high, may cause dust stratification herein to harden, now, expansion link 21 drives spur 210 to arrive the dust stratification place of hardening, move on, due to very little with the dust stratification contact area that hardens, can puncture dust stratification and reach block clearing object.
Blockage removal system in the respective embodiments described above can also comprise electric control gear, magnetic valve 1110 and admission passage 111, and this admission passage 111 is connected to cylinder 2, and is provided with magnetic valve 1110, and this magnetic valve 1110 is controlled break-make by electric control gear.
Admission passage 111 provides pressurized air for cylinder 2, to control expansion link 21, move, and, PLC (programmable logic controller) should be contained in electric control gear inside, if appropriate design PLC, can be according to procedure auto-control magnetic valve 1110 break-makes of its inside, or realize regularly block clearing, thereby the level of automation of raising blockage removal system, guarantees that bye-pass is unimpeded for a long time.
Please refer to Fig. 6, a kind of flue dust proofing unit with flue dust pipeline blockage removal system that Fig. 6 provides for the utility model.
The utility model also provides a kind of flue dust proofing unit, this flue dust proofing unit comprises flue dust pipeline blockage removal system and detecting instrument 3, such as pressure instrumentation etc., wherein, flue dust pipeline blockage removal system is the flue dust pipeline blockage removal system in the respective embodiments described above, its bye-pass has the secondary bye-pass 4 stretching out from it, and detecting instrument 3 is arranged on this secondary bye-pass 4.
Owing to having flue dust pipeline blockage removal system, therefore, this flue dust proofing unit has the beneficial effect identical with it.
Above a kind of flue dust proofing unit provided by the utility model and pipeline blockage removal system thereof are described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. the flue dust pipeline blockage removal system of a flue dust proofing unit, the bye-pass (11) that comprise main line (1), stretches out from described main line (1), it is characterized in that, described bye-pass (11) is provided with pars contractilis, described pars contractilis can telescopic moving in described bye-pass (11), the telescopic end of described pars contractilis has deashing portion, and described deashing portion can remove the dust stratification of described bye-pass (11) inwall.
2. flue dust pipeline blockage removal system as claimed in claim 1, it is characterized in that, also comprise cylinder (2), described pars contractilis comprises the expansion link (21) of described cylinder (2), the telescopic end of described expansion link (21) has described deashing portion, and described cylinder (2) is connected with the end flange of described bye-pass (11).
3. flue dust pipeline blockage removal system as claimed in claim 2, is characterized in that, described deashing portion comprises the flexure strip (22) being locked at described telescopic end, and the internal perisporium of the outer rim of described flexure strip (22) and described bye-pass (11) closely cooperates.
4. flue dust pipeline blockage removal system as claimed in claim 3, is characterized in that, described telescopic end has outside screw; Also comprise two set nuts that coordinate with described outside screw (23), described flexure strip (22) is locked on described outside screw, and is clamped by set nut described in two (23).
5. flue dust pipeline blockage removal system as claimed in claim 4, is characterized in that, described telescopic end has to the outstanding spur (210) of described main line (1).
6. the flue dust pipeline blockage removal system as described in claim 2-5 any one, is characterized in that, also comprises and is connected to the admission passage (111) of described cylinder (2) and is arranged on the magnetic valve (1110) on described admission passage (111); Also comprise electric control gear, described electric control gear is controlled described magnetic valve (1110) break-make.
7. a flue dust proofing unit, comprise flue dust pipeline blockage removal system and detecting instrument (3), it is characterized in that, described flue dust pipeline blockage removal system is the flue dust pipeline blockage removal system described in claim 1-6 any one, described bye-pass (11) has the secondary bye-pass (4) stretching out from it, and described detecting instrument (3) is connected in described secondary bye-pass (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420395978.8U CN203960248U (en) | 2014-07-17 | 2014-07-17 | A kind of flue dust proofing unit and flue dust pipeline blockage removal system thereof |
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| CN201420395978.8U CN203960248U (en) | 2014-07-17 | 2014-07-17 | A kind of flue dust proofing unit and flue dust pipeline blockage removal system thereof |
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| CN203960248U true CN203960248U (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490165A (en) * | 2017-09-25 | 2017-12-19 | 江苏高科应用科学研究所有限公司 | A kind of airduct dust arrester and its dust removal method |
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2014
- 2014-07-17 CN CN201420395978.8U patent/CN203960248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490165A (en) * | 2017-09-25 | 2017-12-19 | 江苏高科应用科学研究所有限公司 | A kind of airduct dust arrester and its dust removal method |
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