CN207962690U - A kind of alkali recovery boiler soot cleaning system - Google Patents
A kind of alkali recovery boiler soot cleaning system Download PDFInfo
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- CN207962690U CN207962690U CN201820353199.XU CN201820353199U CN207962690U CN 207962690 U CN207962690 U CN 207962690U CN 201820353199 U CN201820353199 U CN 201820353199U CN 207962690 U CN207962690 U CN 207962690U
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- recovery boiler
- alkali recovery
- pulley
- cleaning system
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Abstract
A kind of alkali recovery boiler soot cleaning system, including shade screen, moveable boring device and drill steel hammer；Shade screen includes screen body（2）, with screen body（2）The rope of connection（3）；Boring device includes hydraulic motor（4）, with hydraulic motor（4）The operating mechanism of connection（5）, rotary shaft（6）, with rotary shaft（6）The cutting tool being detachably connected（7）；Drill steel hammer includes rack（10）, with rack（10）The upright bar of connection（11）, with upright bar（11）The jump bit of connection（12）, touching bar（14）, first pulley（15）, with jump bit（12）The de- hitch gear being detachably connected（13）, push rod, cylinder or hydraulic cylinder（16）, the first steel wire rope（17）, drill rod（18）, operating lever（19）；Rotary shaft（6）With axially extending bore（8）, with axially extending bore（8）The rotary joint of connection（9）, with rotary joint（9）The coolant liquid inlet tube of connection（22）With coolant liquid outlet tube（23）.
Description
Technical field
The utility model is related to pulping and paper making chemistry product recovery technology fields, and alkali recovery boiler is used for more particularly, to one kind
The soot cleaning system of deashing.
Background technology
In slurrying production process, black liquor burns in alkali recovery boiler.The task of alkali recovery boiler includes to chemicals
Recycling and the thermal energy to generating in combustion recycling.
Alkali recovery boiler includes the stove for being supplied to air needed for black liquor and burning.Alkali recovery boiler is modern slurrying enterprise
Important equipment, investment is big, plays an important roll to the continuous operation of slurrying.With the development of technology, current large-scale alkali collection
Boiler can meet the requirement of pulping production line continuous operation in alkali recovery, the thermal efficiency, cycle of operation etc..
However, to partly still in the domestic first generation full water cooling wall alkali recovery boiler of operation, such as ZHP4 type alkali collection pots
Stove, because of the problem of considering project cost, chamber design height is low, and flue gas temperature of hearth outlet is higher, easily causes Fei Sidun
At pipe melt flying dust form lump, when ash accumulation to a certain extent, the normally circulation that may result in flue gas is hindered, alkali return
Receiving boiler for producing ability reduces, and cannot maintain the normal production of system, need blowing out deashing.In deashing process, general way
Be first blowing out for a period of time, so that burner hearth is cooled down, then open manhole door, manhole door periphery is first cleared up by the way of artificial
Flying dust caking, people enters deashing in alkali recovery boiler from manhole door, opens air-introduced machine in deashing process, when deashing general two people
One group enters in stove in turn, relies on using tool operations such as drill rod and iron hammers, in deashing process and manually completes.Because of deashing position
At the partition wall between furnace outlet and heat-exchanging tube bundle at the top of alkali recovery boiler, there are temperature height, dust is big, faces high-altitude
Fall object, the problem that security risk is big, labor intensity is high, personnel can only the short-term operation in stove, thus the deashing time is long.Deashing at
For high-risk operations one big to operator's health effect and that security risk is larger, blowing out deashing, can influence to give birth to each time
Production 2~3 days.Therefore how to improve operating efficiency, shorten the blowing out deashing time, solve alkali recovery boiler deashing security risk, with
And how labor intensity is reduced, it is urgent need to solve the problem.
Utility model content
It can improve alkali recovery boiler deashing environment the technical problem to be solved by the utility model is to provide a kind of, improve clear
Grey efficiency reduces the alkali recovery boiler soot cleaning system of deashing labor intensity.
In order to solve the above-mentioned technical problem, the utility model provides a kind of alkali recovery boiler soot cleaning system, including be used for
The shade screen that furnace outlet boiler tubing is detachably connected, moveable boring device, and moveable drill steel hammer；The gear shield
Screen includes the screen body of rollable, several ropes being connect respectively with one end of the screen body；The boring device includes hydraulic pressure
Motor, the operating mechanism being connect with the hydraulic motor, the rotary shaft being connect with the hydraulic motor transmission, with the rotary shaft
The cutting tool that is detachably connected of separate hydraulic motor end；The drill steel hammer includes rack, and first end is connect with the rack
Upright bar, the jump bit being slidably connected with the upright bar is detachably connected with the jump bit and is slidably connected with the upright bar
De- hitch gear, the touching bar to break off relations for triggering de- hitch gear, the other end with the upright bar are connect with the upright bar
The first pulley of connection, the push rod being connect with the rack, cylinder or hydraulic cylinder, first end and the push rod, cylinder or liquid
Compressing cylinder connects, and the other end is across the first steel wire rope connect with the de- hitch gear after first pulley, positioned at the impact
The lower section of hammer, the drill rod being connect by sliding sleeve with the rack, the operating lever being connect with the rack；The rotary shaft has axis
To through-hole, the rotary joint being connect far from cutting tool end with the axially extending bore, the coolant liquid being connect with the rotary joint
Inlet tube and coolant liquid outlet tube, the cutting tool have the cooling chamber that is connected to the axially extending bore, the coolant liquid into
One end of liquid pipe is stretched into the cooling chamber, and the separate cutting tool end of the coolant liquid outlet tube and the axially extending bore connects
It is logical.
As the improved technology scheme of the utility model, alkali recovery boiler soot cleaning system provided by the utility model is described
The other end for shielding body also has the rope being connect with screen body.
As the improved technology scheme of the utility model, alkali recovery boiler soot cleaning system provided by the utility model is described
The body of magnetic material that shade screen also has the embedded screen internal.
As the improved technology scheme of the utility model, alkali recovery boiler soot cleaning system provided by the utility model is described
The top of jump bit has the umbrella shape shank for being connect with de- hitch gear；The de- hitch gear has holder；One end
First hook and second hook hinged with the holder；The pulling force that both ends are connected with first hook and the second hook respectively
Spring；The second pulley and third pulley being connect respectively with two end of the holder；Middle part and the hinged compression bar of the holder；First
End connect with one end of the compression bar, and the other end links up with the second steel wire rope connected across after second pulley with described first；The
One end is connect with one end of the compression bar, and the other end is connected across after second pulley, third pulley with second hook successively
Third steel wire rope；The bottom surface of first hook and the second hook all has the inclined surface that can be slided along the top surface of umbrella shape shank；
The second pulley has at least two grooves, and the second steel wire rope and third steel wire rope are rotating around in different grooves.
As the improved technology scheme of the utility model, alkali recovery boiler soot cleaning system provided by the utility model also has
There is the limited block being connect with the holder, the limited block limitation compression bar and the second steel wire rope and third steel wire rope connecting pin are most
Low drop-out position.
As the improved technology scheme of the utility model, alkali recovery boiler soot cleaning system provided by the utility model is described
The nearly jump bit side of upright bar is in axial direction equipped with slide bar, and the jump bit and de- hitch gear are respectively equipped with and the slide bar
The sliding sleeve being slidably connected.
Improvement project can be implemented alone or in combination.
In the prior art, personnel are needed to enter burner hearth because part dust stratification falls into burner hearth bottom in roof of the furnace deashing process
Bottom is raked off from alkali recovery boiler chute, otherwise can influence the normal boot-strap of alkali recovery boiler, extends deashing time and increasing
Labor intensity is added.The dust stratification property of alkali recovery boiler is influenced by combustion conditions, run time, the factors such as dust stratification position, different
The difference of the dust stratification property at operating condition and dust stratification position is very big, and some hard such as rock, some such as quicksands are made using common air inflating machine for dismantling tyre
When industry, although the drill steel of air inflating machine for dismantling tyre can be rapidly introduced into dust stratification layer, because of the performance and operating principle of air inflating machine for dismantling tyre, it is only capable of beating
Go out one and the comparable hole of drill steel diameter, the dust stratification of bulk cannot be agitated when agitating, working efficiency is extremely low.And manually using weight
Hammer strikes drill rod in dust stratification layer, and dust stratification layer cracking bulk can be made to fall off.Technical solution provided by the utility model, shade screen
On furnace outlet boiler tubing, dust stratification can be prevented to fall into burner hearth in deashing process, cleaning in stove can not be entered back into
The dust stratification of burner hearth bottom；Shade screen can also prevent the hot gas of furnace outlet and dust from entering personnel operation area, improve operation ring
Border；Improve the safety of operation.Dust stratification layer is cut into blind hole in layers with boring device, the dust stratification on blind hole periphery is made to be easy
It is fallen off by agitating, then falling dust stratification local near dust stratification in sled, also easy agitated falls off.Drill steel hammer simulates artificial work
The method of industry, using weight strike drill rod, can obtain with artificial deashing similar in technique effect, make dust stratification layer crack bulk take off
It falls, to improve operating efficiency, and reduces labor intensity.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and is constituted part of this application, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is embodiment alkali recovery boiler dust stratification status diagram；
Fig. 2 is the structural principle and schematic view of the mounting position of embodiment alkali recovery boiler soot cleaning system shade screen；
Fig. 3 is the principle schematic diagram of embodiment alkali recovery boiler soot cleaning system boring device；
Fig. 4 is the cooling body principle schematic diagram of the boring device of embodiment alkali recovery boiler soot cleaning system；
Fig. 5 is the principle schematic diagram that the drill steel of embodiment alkali recovery boiler soot cleaning system is hammered into shape；
Fig. 6 is the principle schematic diagram of embodiment alkali recovery boiler soot cleaning system jump bit and de- hitch gear.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Alkali recovery boiler soot cleaning system as shown in Figures 2 to 6, including be used for detachable with furnace outlet boiler tubing 1
The shade screen of connection, moveable boring device and moveable drill steel hammer.Shade screen as depicted in figs. 1 and 2 includes rollable
Screen body 2, the rope 3 being connect with screen body 2 one end；As shown in Figure 3 and Figure 4, boring device includes hydraulic motor 4, with hydraulic pressure horse
Up to the operating mechanism 5 of 4 connections, the rotary shaft 6 being sequentially connected with hydraulic motor 4,4 end of separate hydraulic motor with rotary shaft 6 can
The cutting tool 7 of dismantling connection；Rotary shaft 6 has axially extending bore 8, the rotation being connect far from 7 end of cutting tool with axially extending bore 8
Connector 9, the coolant liquid inlet tube 22 and coolant liquid outlet tube 23 being connect with rotary joint 9, cutting tool 7 has and axially extending bore
The cooling chamber 21 of 8 connections, one end of coolant liquid inlet tube 22 are stretched into cooling chamber 21, coolant liquid outlet tube 23 and axially extending bore 8
7 end of separate cutting tool connection；As shown in figure 5, drill steel hammer includes rack 10, the upright bar 11 that first end is connect with rack 10,
The jump bit 12 being slidably connected with upright bar 11, the de- hitch gear for being detachably connected with jump bit 12 and being slidably connected with upright bar 11
13, the touching bar 14 for triggering the unhook of de- hitch gear 13, first connect with the other end of upright bar 11 are connect with upright bar 11
Pulley 15, the push rod being connect with rack 10, cylinder or hydraulic cylinder 16, first end are connect with push rod, cylinder or hydraulic cylinder 16,
The other end across the first steel wire rope 17 being connect with de- hitch gear 13 after first pulley 15, be located at jump bit 12 lower section, with
The drill rod 18 that rack 10 is connected by sliding sleeve, the operating lever 19 being connect with rack 10.
One of embodiment is coordinated by slide bar sliding sleeve between jump bit 12 and de- hitch gear 13 and upright bar 11 and is connected
It connects, one of scheme is in axial direction to be equipped with slide bar, jump bit 12 and de- extension in 12 side of nearly jump bit of upright bar 11
Hook mechanism 13 is respectively equipped with the sliding sleeve being connect with the sliding bar.The operating mechanism 5 of boring device, which is equipped with, manipulates bite
The control switch of the control switch and control coolant liquid disengaging of 7 operation of tool, operating lever 19 are equipped with push control rod, cylinder or hydraulic pressure
The control of oil cylinder 16 switchs.When jump bit 12 is encountered in the decline of de- hitch gear 13, de- hitch gear 13 is connect with jump bit 12
Integrally, it when push rod, cylinder or hydraulic cylinder 16 are shunk, takes off hitch gear 13 and jump bit 12 is driven to rise, when de- hook machine
After structure 13 encounters touching bar 14, de- hitch gear 13 is detached with jump bit 12, the jump bit 12 after separation under the effect of gravity under
Drop strikes drill rod 18.It is connected by slide bar sliding sleeve between jump bit 12 and de- hitch gear 13 and upright bar 11, when drill steel is hammered into shape
When in heeling condition, it still can be used, improve the flexibility and safety when use.
When alkali recovery boiler deashing, blowing out for a period of time, is cooled to after personnel can enter after boiler, opens alkali collection pot
Stove manhole 24 is removed after 24 periphery of manhole and furnace interior divide dust stratification, and personnel enter in alkali recovery boiler, the shade screen that will wind up from
Manhole 24 is passed in alkali recovery boiler, and the rope 3 being connect with 2 one end of screen body is tied on furnace outlet boiler tubing 1, body 2 is shielded
After expansion, the other end arrives at dust stratification layer surface；It is artificial remove at the top of alkali recovery boiler furnace outlet and the dust stratification of side wall attachment and
After dust stratification layer surface dust stratification easy to fall off, boring device is passed from manhole 24 in alkali recovery boiler, by external hydraulic oil pipe and cold
But liquid pipe is led through manhole 24 or alkali recovery boiler operation hole in alkali recovery boiler, by the hydraulic motor 4 of boring device and outside
Hydraulic oil pipe connection, by the coolant liquid inlet tube of boring device（22）With coolant liquid outlet tube（23）With external coolant pipe
Connection, by the cutting tool of boring device（7）Dust stratification layer surface is moved to, boring device is manipulated, is cut in dust stratification layer surface several
Blind hole, adjacent blind hole intersection or close to each other；Drill steel is hammered into shape from manhole 24 and is passed in alkali recovery boiler, by external power supply pipeline
Led in alkali recovery boiler through manhole 24 or alkali recovery boiler operation hole, by drill steel hammer push rod, cylinder or hydraulic cylinder 16 with
Externally input power source pipeline connection, the drill rod 18 that drill steel is hammered into shape is moved to by the blind hole that boring device is cut into, drill steel is manipulated
Hammer, a part for drill rod 18 is struck in dust stratification layer, hand steered operating lever 19 agitates drill rod 18, and dust stratification is made to fall off, the product to fall off
Grey block is removed outside stove from manhole 24 or is fallen into ash bucket after broken through alkali recovery boiler tube bank place；It repeats to make after clearing up a lamination ash
Drill rod is made with boring device trepanning, using drill steel hammering, agitates drill rod operation, is cleaned out until by dust stratification.
In the prior art, personnel are needed to enter stove because part dust stratification falls into burner hearth bottom when removing the dust stratification of furnace outlet
Thorax bottom is raked off from alkali recovery boiler chute, otherwise can influence the normal boot-strap of alkali recovery boiler, extend the deashing time and
Increase labor intensity.Shade screen is mounted on furnace outlet boiler tubing 1, in deashing process, dust stratification can be prevented to fall into burner hearth
It is interior, the dust stratification of burner hearth bottom is fallen into without entering back into cleaning in stove；Shade screen can also prevent furnace outlet hot gas and
Dust is directly entered personnel operation area, improves operating environment；Improve the safety of operation.With boring device by dust stratification layer from level to level
Ground is cut into blind hole, and the dust stratification on blind hole periphery is made to be easy to be agitated to fall off, and then falls dust stratification local near dust stratification in sled
It is easy to be agitated to fall off.The dust stratification characteristic of alkali recovery boiler is influenced by combustion conditions, run time, the factors such as dust stratification position, no
Very big with the dust stratification property difference at operating condition and different location, some hard such as rock, some such as quicksands use common impact gun
When machine operation, although the drill steel of air inflating machine for dismantling tyre can rapidly enter in dust stratification layer in most cases, the performance because of air inflating machine for dismantling tyre and work
Principle is only capable of getting a hole, agitates around Shi Yinkong loosely, cannot agitate the dust stratification of bulk, working efficiency is extremely low.And people
Work is struck drill rod in dust stratification layer using weight, and impact mode can make dust stratification layer cracking bulk fall off.Drill steel hammer simulates
The method of manual work strikes drill rod 18 using weight, can obtain and artificial deashing similar in technique effect, with higher work
Industry efficiency, and reduce labor intensity.
Temperature inside blowing out for a period of time inner product grieshoch is still higher, and hundreds of degree are sometime up to inside dust stratification layer（It is internal
Dust stratification is rubescent, and spontaneous radiation has reached the longest wave band in visible light）, when using boring device trepanning, pass through coolant liquid pair
Rotary shaft 6 and cutting tool 7 are cooled down, and are conducive to the performance for keeping cutting tool 7, are prevented from wearing too quickly at high temperature.
Further, alkali recovery boiler soot cleaning system provided by the utility model, the other end for shielding body 2 also have and screen body
The rope of 2 connections.
Further, alkali recovery boiler soot cleaning system provided by the utility model, as shown in Fig. 2, shade screen is also with embedding
Enter to shield the body of magnetic material 20 in body 2.Body of magnetic material 20 is adsorbed on furnace outlet boiler tubing 1, further solid to screen body 2
It is fixed.
Further, alkali recovery boiler soot cleaning system provided by the utility model, as shown in fig. 6,12 top tool of jump bit
It is useful for the umbrella shape shank 201 being connect with de- hitch gear 13；De- hitch gear 13 has holder 202, one end and holder 202
The first hinged hook 203 and the second hook 204, the pulling force bullet that both ends are connect with the first hook 203 and the second hook 204 respectively
Spring 205, the second pulley 206 being connect respectively with 202 2 end of holder and third pulley 207, middle part and the hinged compression bar of holder 202
208, first end connect with one end of compression bar 208, the other end is across second connect with the first hook 203 after second pulley 206
Steel wire rope 209, first end connect with one end of compression bar 208, the other end successively across after second pulley 206, third pulley 207 with
The bottom surface of the third steel wire rope 210 of second hook, 204 connection, the first hook 203 and the second hook 204 all has and can be inserted along umbrella shape
The inclined surface of the top surface sliding of extension bar 201；Wherein second pulley 206 has at least two grooves, the second steel wire rope 209 and third
Steel wire rope 210 is rotating around in the different groove of second pulley 206.First hook 203 and the second hook 204 and umbrella shape shank
201 contact site designs camber.
The top of umbrella shape shank 201 is tapered, when de- hitch gear 13 declines, the first hook 203 and the second hook
204 when touching umbrella shape shank 201, the inclined surface and umbrella shape shank 201 of the first hook 203 and the second 204 bottoms of hook
Taper-face contact, gravitational thrusts effect under umbrella shape shank 201 tapering by first hook 203 and second hook 204 to two
Side detaches, after the first hook 203 and second links up with the tapering that 204 cross umbrella shape shank 201, in the effect of tension spring 205
Under, the first hook 203 and second links up with 204 necks for being caught in umbrella shape shank 201, and jump bit 12 and de- hitch gear 13 are connected
It is connected into one.When push rod, cylinder or hydraulic cylinder 16 drive jump bit 12 and 13 assembly of de- hitch gear to rise together, takes off and hang
After the compression bar 208 of hook mechanism 13 encounters touching bar 14 far from steel wire rope connecting pin, under the separate steel wire rope connecting pin of compression bar 208
It moves, and steel wire rope connecting pin rises, steel wire rope drives the first hook 203 and second to link up with 204 pulling force for overcoming tension spring 205
It is detached to two sides, after the gap between the first hook 203 and the second hook 204 is more than the diameter of umbrella shape shank 201, impact
Hammer 12 is detached with de- hitch gear 13, strikes drill rod 18 under the effect of gravity.
Further, alkali recovery boiler soot cleaning system provided by the utility model, as shown in fig. 6, de- hitch gear 13 is also
With the limited block 211 being connect with holder 202, limited block 211 limits compression bar 208 and the second steel wire rope 209 and third steel wire rope
The minimum down position of 210 connecting pins.The second steel wire rope 209 and third steel wire rope 210 is set to be in tensioning state always.
For those skilled in the art, the present invention may have various modifications and changes.It is all new in this practicality
Within the spirit and principle of type claim, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (6)
1. a kind of alkali recovery boiler soot cleaning system, which is characterized in that including being used for and furnace outlet boiler tubing（1）Detachably connect
The shade screen connect, moveable boring device, and moveable drill steel hammer；The shade screen includes the screen body of rollable（2）If
Dry root respectively with the screen body（2）One end connection rope（3）；The boring device includes hydraulic motor（4）, with the liquid
Pressure motor（4）The operating mechanism of connection（5）, with the hydraulic motor（4）The rotary shaft of drive connection（6）, with the rotary shaft
（6）Separate hydraulic motor（4）Hold the cutting tool being detachably connected（7）；The drill steel hammer includes rack（10）, first end with
The rack（10）The upright bar of connection（11）, with the upright bar（11）The jump bit being slidably connected（12）, with the jump bit
（12）Be detachably connected and with the upright bar（11）The de- hitch gear being slidably connected（13）, with the upright bar（11）Connection is used for
Triggering takes off hitch gear（13）The touching bar of unhook（14）, with the upright bar（11）The other end connection first pulley（15）,
With the rack（10）Push rod, cylinder or the hydraulic cylinder of connection（16）, first end and the push rod, cylinder or hydraulic cylinder
（16）Connection, the other end is across first pulley（15）Afterwards with the de- hitch gear（13）First steel wire rope of connection（17）, position
In the jump bit（12）Lower section, with the rack（10）The drill rod connected by sliding sleeve（18）, with the rack（10）Even
The operating lever connect（19）；The rotary shaft（6）With axially extending bore（8）, with the axially extending bore（8）Far from cutting tool（7）
Hold the rotary joint of connection（9）, with the rotary joint（9）The coolant liquid inlet tube of connection（22）With coolant liquid outlet tube
（23）, the cutting tool（7）With with the axially extending bore（8）The cooling chamber of connection（21）, the coolant liquid inlet tube
（22）One end stretch into the cooling chamber（21）It is interior, the coolant liquid outlet tube（23）With the axially extending bore（8）Far from cutting
Cutting knife tool（7）End connection.
2. alkali recovery boiler soot cleaning system according to claim 1, which is characterized in that the screen body（2）The other end also
With with screen body（2）The rope of connection.
3. alkali recovery boiler soot cleaning system according to claim 1, which is characterized in that the shade screen also has embedded institute
State screen body（2）Interior body of magnetic material（20）.
4. alkali recovery boiler soot cleaning system according to claim 1, which is characterized in that the jump bit（12）Top has
For with de- hitch gear（13）The umbrella shape shank of connection（201）；The de- hitch gear（13）With holder（202）；One
End and the holder（202）The first hinged hook（203）With the second hook（204）；It is linked up with respectively with described first at both ends
（203）With the second hook（204）The tension spring of connection（205）；Respectively with the holder（202）The second pulley of two ends connection
（206）With third pulley（207）；Middle part and the holder（202）Hinged compression bar（208）；First end and the compression bar（208）
One end connection, the other end is across second pulley（206）It is linked up with afterwards with described first（203）Second steel wire rope of connection（209）；
First end and the compression bar（208）One end connection, the other end is successively across second pulley（206）, third pulley（207）Afterwards with
Second hook（204）The third steel wire rope of connection（210）；First hook（203）With the second hook（204）Bottom surface have
Having can be along umbrella shape shank（201）Top surface sliding inclined surface；The second pulley（206）With at least two grooves,
Two steel wire ropes（209）With third steel wire rope（210）Rotating around in different grooves.
5. alkali recovery boiler soot cleaning system according to claim 4, which is characterized in that also have and the holder（202）
The limited block of connection（211）, the limited block（211）Limit compression bar（208）With the second steel wire rope（209）With third steel wire rope
（210）The minimum down position of connecting pin.
6. alkali recovery boiler soot cleaning system according to claim 4, which is characterized in that the upright bar（11）Nearly jump bit
（12）Side is in axial direction equipped with slide bar, the jump bit（12）With de- hitch gear（13）It is respectively equipped with and is slided with the slide bar
The sliding sleeve of dynamic connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353199.XU CN207962690U (en) | 2018-03-15 | 2018-03-15 | A kind of alkali recovery boiler soot cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353199.XU CN207962690U (en) | 2018-03-15 | 2018-03-15 | A kind of alkali recovery boiler soot cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962690U true CN207962690U (en) | 2018-10-12 |
Family
ID=63743434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353199.XU Expired - Fee Related CN207962690U (en) | 2018-03-15 | 2018-03-15 | A kind of alkali recovery boiler soot cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253438A (en) * | 2018-03-15 | 2018-07-06 | 长沙理工大学 | A kind of alkali recovery boiler soot cleaning system and alkali recovery boiler ash removal method |
-
2018
- 2018-03-15 CN CN201820353199.XU patent/CN207962690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253438A (en) * | 2018-03-15 | 2018-07-06 | 长沙理工大学 | A kind of alkali recovery boiler soot cleaning system and alkali recovery boiler ash removal method |
| CN108253438B (en) * | 2018-03-15 | 2023-09-01 | 长沙理工大学 | Alkali recovery boiler ash removal system and alkali recovery boiler ash removal method |
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| 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: 20181012 Termination date: 20200315 |