CN209470238U - One kind being used for the clean blow device of smoke discharging pipe - Google Patents
One kind being used for the clean blow device of smoke discharging pipe Download PDFInfo
- Publication number
- CN209470238U CN209470238U CN201822057222.3U CN201822057222U CN209470238U CN 209470238 U CN209470238 U CN 209470238U CN 201822057222 U CN201822057222 U CN 201822057222U CN 209470238 U CN209470238 U CN 209470238U
- Authority
- CN
- China
- Prior art keywords
- smoke discharging
- discharging pipe
- screw rod
- block
- pipe
- 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.)
- Expired - Fee Related
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- 239000000779 smoke Substances 0.000 title claims abstract description 63
- 238000007599 discharging Methods 0.000 title claims abstract description 58
- 238000007664 blowing Methods 0.000 claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004071 soot Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 10
- 239000003500 flue dust Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model relates to one kind to be used for the clean blow device of smoke discharging pipe comprising several blowing pipes being installed in smoke discharging pipe, the soot blowing pipe outer wall is provided with several ventholes and lower end closed is simultaneously connected to upper end with external feeder；The blowing pipe is horizontally disposed along smoke discharging pipe, and ring block is fixed in the soot blowing pipe outer wall, the stop collar abutted with ring block lower end is arranged on the blowing pipe, the side of the stop collar towards smoke discharging pipe is fixed with sliding block；It further include being opened on smoke discharging pipe and being only capable of the sliding slot of vertical displacement for sliding block and the actuator for driving sliding block upper and lower displacement with smoke discharging pipe installation.The utility model guarantees the cleanup area for expanding steam while steam impringement power, reaches the ash-removal effect improved to smoke discharging pipe with that can drive blowing pipe upper and lower displacement.
Description
Technical field
The utility model relates to the technical fields of steam power plant's smoke evacuation, blow more particularly, to one kind for smoke discharging pipe to be clean
Sweeping device.
Background technique
At present in thermoelectricity industry, coal burns in the boiler, the flue dust after burning in boiler by smoke discharging pipe into
Row handles and discharge, further includes the dust such as carbon black in flue dust other than comprising gases such as a large amount of sulfur dioxide, carbon monoxide.
For the energy for making full use of the flue dust being discharged from boiler, the tube bank of economizer is installed in smoke discharging pipe, and flue dust
In smoke discharging pipe discharge, some dust can be adhered to smoke discharging pipe inner wall or be adhered in tube bank, when the inner wall of smoke discharging pipe
When the more dust of upper adherency, the inner wall of smoke discharging pipe can be thickened, and occupy the space of soot emissions, so that soot emissions space becomes
It is small, to influence the flue gas velocity of smoke discharging pipe；Meanwhile when accumulating more dust in tube bank, the heat exchange of economizer is influenced
Efficiency.
When in the prior art, on cleaning smoke discharging pipe inner wall with the dust accumulated is restrained, steam soot blowing is generallyd use
Device is handled, and steam sootblower includes the blow device for supplying the feeder of steam and being set in smoke discharging pipe, is blown
Sweeping device includes several blowing pipes being set in smoke discharging pipe, offers several ventholes on blowing pipe, feeder to
Steam is fed in blowing pipe, according to bernoulli principle it is found that steam is overflowed from venthole, the pressure of steam becomes smaller, steam
Flow velocity becomes larger, so that the dust punching being adhered in smoke discharging pipe side wall or tube bank be fallen, reaching prevents dust accumulation in smoke exhaust pipe
Purpose on road inner wall or tube bank.
Prior art among the above has the following deficiencies: since the venthole on blowing pipe is spaced, steaming
When vapour is blown out through the venthole of blowing pipe, venthole center blowing force is the most powerful, can be in smoke discharging pipe and in tube bank
Dust cleared up；And on one section between adjacent vent holes, the blowing force of steam is gradually reduced, and blowing pipe is fixed on smoke evacuation
It is irremovable in inner wall of the pipe, lead to its dust still and can be adhered to one section between blowing pipe adjacent vent holes of smoke exhaust pipe
On road or tube bank；If the spacing reduced between venthole shunts steam when blowing pipe upper vent hole is too many, can reduce
The steam impringement power blown out from venthole influences its cleaning work to dust.
Utility model content
The purpose of the utility model is to provide one kind to be used for the clean blow device of smoke discharging pipe, can drive blowing pipe or more
Displacement guarantees the cleanup area for expanding steam while steam impringement power, reaches the ash-removal effect improved to smoke discharging pipe.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
One kind being used for the clean blow device of smoke discharging pipe, described including several blowing pipes being installed in smoke discharging pipe
Soot blowing pipe outer wall is provided with several ventholes and lower end closed is simultaneously connected to upper end with external feeder；The blowing pipe is along smoke evacuation
Pipe level is arranged, and is fixed with ring block in the soot blowing pipe outer wall, is arranged on the blowing pipe and abuts with ring block lower end
Stop collar, the side of the stop collar towards smoke discharging pipe is fixed with sliding block；It further include being opened on smoke discharging pipe and for cunning
Block is only capable of the sliding slot of vertical displacement and the actuator for driving sliding block upper and lower displacement with smoke discharging pipe installation.
Its stop collar is made by the abutting force of ring block and stop collar on blowing pipe by using above-mentioned technical proposal
It plays a supporting role to blowing pipe；And then in sliding slot under driving effect to sliding block of the guiding role and actuator of sliding block,
Sliding block upper and lower displacement is driven, to realize the upper and lower displacement for driving blowing pipe, blowing pipe upper vent hole is adjusted to smoke discharging pipe
Range is blown in interior sweeping, and can be expanded to the cleaning range on smoke discharging pipe and economizer, be enhanced its ash-removal effect.
The utility model is further arranged to: the actuator includes blowing for the mounting base fixed with smoke discharging pipe, edge
Grey tube axis direction open up and with the sliding groove of sliding slot connection, the sliding bar being plugged in sliding groove, to be fixed on sliding bar opposite
The displaced block of sliding slot side, the displaced block are respectively set to inclined-plane one, inclined-plane two, the sliding block along the both ends of blowing pipe axis
It is fixed with sliding bar, the adjusting channel being connected to sliding groove is also provided in the mounting base, the displaced block, which is in adjust, leads to
Inclined surface one, inclined-plane two are respectively arranged with drive block one, drive block two in road and in adjusting channel, are additionally provided in mounting base
Screw rod one, the screw rod two being threadedly engaged respectively with drive block one, drive block two, and the limit across drive block one, drive block two
Position bar one, gag lever post two, the screw rod one, screw rod two, gag lever post one and gag lever post two being arranged radially along blowing pipe respectively；Institute
State screw rod one, in two rotation process of screw rod, drive drive block one, the displacement of two synchronous backward of drive block, and in displacement process with position
Move the transmission of block inclined-plane.
By using above-mentioned technical proposal, rotated by screw rod one, screw rod two, in the spiral shell with drive block one, drive block two
Under line mating reaction, drive block one, the displacement of two synchronous backward of drive block are driven, makes its drive block one, drive block two respectively and tiltedly
Face one, the transmission of two inclined-plane of inclined-plane, drive sliding bar upper and lower displacement, thus with movable slider and stop collar upper and lower displacement, realization pair
The upper and lower displacement of blowing pipe drives work；And then abutted always with inclined-plane one, inclined-plane two by drive block one, drive block two, it is real
While now driving to sliding bar, position-limiting action can be played to sliding bar, be supported its stable to blowing pipe.
The utility model is further arranged to: the screw rod one screw rod one identical and described with the hand of spiral of screw rod two
One end extends to outside mounting base, and one end that the screw rod one is in outside mounting base is connected with the rotating member for driving screw rod one to rotate,
Synchronous backward rotation is realized by gear drive between the screw rod one and screw rod two.
By using above-mentioned technical proposal, realize that screw rod one and two synchronous backward of screw rod rotate work by gear drive
Make, making its rotating member only needs that screw rod one is driven to rotate, and the synchronous backward rotation of screw rod one, screw rod two can be realized, thus in silk
Under bar one and two hand of spiral opposite effect of screw rod, drive block one, the displacement of two synchronous backward of drive block are driven, convenient for it to cunning
The driving work of lever.
The utility model is further arranged to: the gear drive include with the co-axially fixed gear one of screw rod one,
It is coaxial fixed with screw rod two and with one meshed gears two of gear.
Screw rod one and screw rod two are realized by the meshing relation of gear one and gear two by using above-mentioned technical proposal
Synchronous backward rotation work.
The utility model is further arranged to: the rotating member includes nibbling with the co-axially fixed worm gear of screw rod one, with worm gear
The motor for closing and being rotationally connected with the worm screw in mounting base, worm screw is driven to rotate.
By using above-mentioned technical proposal, drive worm screw rotation, under the engagement of worm and wheel, drive by motor
Make worm gear that screw rod one be driven to rotate；And then under worm gear and the self-locking property of worm screw, when rotating its motor not, worm screw is to worm gear
Play position-limiting action, make its worm gear can not rotation guarantee the stabilization to sliding bar to limit the rotation of screw rod one Yu screw rod two
Position-limiting action.
The utility model is further arranged to: be provided between the blowing pipe upper end and feeder one section it is elastic corrugated
Pipe.
By using above-mentioned technical proposal, by the elastic deformation ability of elastic bellows, make its blowing pipe upper and lower displacement
In the course of work, the normal operation of other component is not influenced.
In conclusion the advantageous effects of the utility model are as follows:
1. in deashing process, actuator drives blowing pipe upper and lower displacement, increases the purging range of blowing pipe upper vent hole, have
Conducive to enhancing blow device to the ash-removal effect of smoke discharging pipe and economizer；
2. drive block one, drive block two and displaced block inclined-plane are driven, realize and sliding bar and blowing pipe upper and lower displacement are driven
While starting building to make, position-limiting action can be played to displaced block, make its stop collar that can play stable supporting role to blowing pipe.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the diagrammatic cross-section of actuator in Fig. 1.
Fig. 3 is the enlarged diagram in Fig. 2 at A.
Fig. 4 is the enlarged diagram in Fig. 1 at B.
In figure, 1, blowing pipe；2, venthole；3, ring block；4, stop collar；5, sliding block；6, sliding slot；7, actuator；71, pacify
Fill seat；72, sliding bar；73, sliding groove；74, displaced block；75, channel is adjusted；76, inclined-plane one；77, inclined-plane two；78, screw rod one；
79, screw rod two；710, gag lever post one；711, gag lever post two；712, gear one；713, gear two；714, drive block one；715, it passes
Motion block two；8, rotating member；81, worm gear；82, worm screw；83, motor；84, attachment base；85, support base；9, smoke discharging pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1 with 2, for it is disclosed by the utility model it is a kind of be used for the clean blow device of smoke discharging pipe, including it is several
Blowing pipe 1, blowing pipe 1 and smoke discharging pipe 9 are arranged in parallel and lower end closed upper end is communicated with one end elastic bellows (in figure not
Show), elastic bellows upper end is connected to extraneous feeder；Several ventholes 2, gas supply dress are offered on 1 outer wall of blowing pipe
It sets when supplying steam into blowing pipe 1, steam is blown out along venthole 2, to being purged on smoke discharging pipe 9 and economizer, from
And play the role of deashing；In the present embodiment, this 1 length of blowing pipe is only slightly higher than the height of economizer in smoke discharging pipe 9.
A circle ring block 3,1 housing of blowing pipe are fixed on one section on above-mentioned 1 outer wall of blowing pipe in adjacent vent holes 2
Equipped with stop collar 4,1 lower end of blowing pipe is inserted into stop collar 4, abuts its 3 lower end of ring block with 4 upper end of stop collar；Stop collar 4
Outside is welded with sliding block 5, offers sliding slot 6 along 1 axis of blowing pipe on smoke discharging pipe 9, sliding block 5 be plugged in sliding slot 6 and
Only 6 upper and lower displacement along the chute；The actuator 7 of driving 5 upper and lower displacement of sliding block is provided on smoke discharging pipe 9.
Referring to Fig. 2 and 3, above-mentioned actuator 7 includes mounting base 71, sliding bar 72, displaced block 74, drive block 1, transmission
Block 2 715, screw rod 1, screw rod 2 79, gag lever post 1, gag lever post 2 711；Mounting base 71 is fixedly welded on smoke discharging pipe 9
(referring to Fig.1) on, mounting base 71 offers the sliding groove 73 being connected to sliding slot 6 along 1 axis of blowing pipe；Sliding bar 72 is plugged in cunning
In dynamic slot 73 and along 73 upper and lower displacement of sliding groove；It is also provided with inside mounting base 71 and is connected to sliding groove 73 with respect to 6 side of sliding slot
Adjusting channel 75；Displaced block 74 is fixed on sliding bar 72 towards the side for adjusting channel 75 and is located in adjusting channel 75；Position
It moves block 74 and falls to be equipped with inclined-plane 1, inclined-plane 2 77 respectively along the two sides of 72 glide direction of sliding bar, make its 74 cross section of displaced block
It is arranged in isosceles trapezoid；Drive block 1, drive block 2 715 be set to adjust channel 75 in and respectively with inclined-plane 1, inclined-plane
The transmission of 2 77 inclined-planes；Screw rod 1, screw rod 2 79 are rotationally connected in mounting base 71 and are each passed through drive block 1, pass
Motion block 2 715 is simultaneously threadedly engaged with drive block 1, drive block 2 715 respectively；Above-mentioned gag lever post 1, gag lever post 2 711
It is individually fixed in mounting base 71 and is each passed through drive block 1, drive block 2 715；Wherein, screw rod 1, screw rod 2 79,
Gag lever post 1, the setting of equal 72 length direction of vertical sliding motion bar of gag lever post 2 711；The screw thread side of screw rod 1 and screw rod 2 79
Synchronous backward rotation is realized to the identical and mutual gear drive that passes through, wherein one end of screw rod 1 extends to installation
Seat 71 is outer and drives rotation by a rotating member 8；In one 78 rotation process of screw rod, 2 79 synchronous backward of screw rod is driven to rotate, from
And drive block 1, the displacement of 2 715 synchronous backward of drive block are driven, inclined-plane 1, the inclined-plane 2 77 of displaced block 74 are played tiltedly
Face is driven work, the upper and lower displacement of sliding bar 72 is driven, to drive 1 upper and lower displacement of stop collar 4 and blowing pipe.
Said gear driving member includes gear 1, gear 2 713, and gear 1 is coaxial fixed with screw rod 1, tooth
Take turns 2 713, gear one 712 and gear two 713 intermeshing transmissions coaxial fixed with screw rod 2 79.
Referring to Fig. 4, above-mentioned rotating member 8 includes worm gear 81, worm screw 82, attachment base 84, motor 83；Worm gear 81 and screw rod 1
One end outside mounting base 71 is coaxially fixed, and attachment base 84 is fixed in mounting base 71, and worm screw 82 (is not shown by bearing in figure
It is rotationally connected on attachment base 84 out)；Support base 85 is welded on smoke discharging pipe 9, motor 83 is fixed on support base 85 and defeated
Shaft and one end of worm screw 82 are coaxially fixed；Motor 83 is connected to by electric wire with external power supply, when energization, the rotation of motor 83, and band
Dynamic worm screw 82 rotates, to drive the rotation of worm gear 81 and screw rod.
Referring to Fig.1, in the present embodiment, smoke discharging pipe 9 uses rectangular shape, and above-mentioned blowing pipe 1 is four in smoke discharging pipe 9
Side is respectively arranged with one.
The implementation principle of the present embodiment are as follows: when using steam to ventilation deashing is carried out in smoke discharging pipe 9, motor 83 is positive and negative
Rotation drives worm screw 82 to rotate, and under the engagement of worm gear 81 and worm screw 82, drives screw rod 1 to rotate, in gear 1
Under the engagement of gear 2 713,2 79 synchronous backward of screw rod is driven to be displaced, to drive drive block 1, drive block two
715 are driven work with the inclined-plane of displaced block 74, drive sliding bar 72 and 5 upper and lower displacement of sliding block, so that realization drives blowing pipe 1
Upper and lower displacement work, expands the purging range of steam, enhances to the ash-removal effect in smoke discharging pipe 9.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (6)
1. one kind is used for the clean blow device of smoke discharging pipe, including several blowing pipes (1) being installed in smoke discharging pipe (9),
Blowing pipe (1) outer wall is provided with several ventholes (2) and lower end closed is simultaneously connected to upper end with external feeder；It is described to blow
Ash pipe (1) is horizontally disposed along smoke discharging pipe (9), it is characterised in that: is fixed with ring block (3), institute on blowing pipe (1) outer wall
State the stop collar (4) for being arranged on blowing pipe (1) and abutting with ring block (3) lower end, the stop collar (4) is towards smoke discharging pipe
(9) side is fixed with sliding block (5)；It further include the sliding slot for being opened on smoke discharging pipe (9) and being only capable of for sliding block (5) vertical displacement
(6) and for installing the actuator (7) for driving sliding block (5) upper and lower displacement with smoke discharging pipe (9).
2. according to claim 1 a kind of for the clean blow device of smoke discharging pipe, it is characterised in that: the actuator
It (7) include opening up for the mounting base (71) fixed with smoke discharging pipe (9), along blowing pipe (1) axis direction and connecting with sliding slot (6)
Logical sliding groove (73), the sliding bar (72) being plugged in sliding groove (73) are fixed on sliding bar (72) with respect to sliding slot (6) side
Displaced block (74), the displaced block (74) is respectively set to inclined-plane one (76), inclined-plane two along the both ends of blowing pipe (1) axis
(77), the sliding block (5) and sliding bar (72) are fixed, are also provided with the tune being connected to sliding groove (73) in the mounting base (71)
It saves channel (75), the displaced block (74), which is in, adjusts in channel (75) and adjust channel (75) interior inclined surface one (76), tiltedly
Face two (77) is respectively arranged with drive block one (714), drive block two (715), be additionally provided in mounting base (71) respectively with transmission
Screw rod one (78) that block one (714), drive block two (715) are threadedly engaged, screw rod two (79), and pass through drive block one (714),
Gag lever post one (710), the gag lever post two (711) of drive block two (715), the screw rod one (78), screw rod two (79), gag lever post one
(710) and gag lever post two (711) being arranged radially along blowing pipe (1) respectively；The screw rod one (78), screw rod two (79) rotated
Cheng Zhong, drive drive block one (714), drive block two (715) synchronous backward displacement, and in displacement process with displaced block (74) inclined-plane
Transmission.
3. according to claim 2 a kind of for the clean blow device of smoke discharging pipe, it is characterised in that: the screw rod one
(78) one end of the screw rod one (78) identical and described with the hand of spiral of screw rod two (79) extends to mounting base (71) outside, the silk
Bar one (78) is in the one end of mounting base (71) outside and is connected with the rotating member (8) for driving screw rod one (78) to rotate, the screw rod one
(78) synchronous backward rotation is realized by gear drive between screw rod two (79).
4. according to claim 3 a kind of for the clean blow device of smoke discharging pipe, it is characterised in that: the gear passes
Motivation structure include with the co-axially fixed gear one (712) of screw rod one (78), it is coaxial fixed with screw rod two (79) and with gear one
(712) meshed gears two (713).
5. according to claim 3 a kind of for the clean blow device of smoke discharging pipe, it is characterised in that: the rotating member
(8) include with the co-axially fixed worm gear of screw rod one (78) (81), engage and be rotationally connected on mounting base (71) with worm gear (81)
Worm screw (82), drive worm screw (82) rotate motor (83).
6. according to claim 1 a kind of for the clean blow device of smoke discharging pipe, it is characterised in that: the blowing pipe
(1) one section of elastic bellows is provided between upper end and feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057222.3U CN209470238U (en) | 2018-12-08 | 2018-12-08 | One kind being used for the clean blow device of smoke discharging pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057222.3U CN209470238U (en) | 2018-12-08 | 2018-12-08 | One kind being used for the clean blow device of smoke discharging pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470238U true CN209470238U (en) | 2019-10-08 |
Family
ID=68088923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822057222.3U Expired - Fee Related CN209470238U (en) | 2018-12-08 | 2018-12-08 | One kind being used for the clean blow device of smoke discharging pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209470238U (en) |
-
2018
- 2018-12-08 CN CN201822057222.3U patent/CN209470238U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 |