CN209696546U - Water curtain net cleaning shaft - Google Patents
Water curtain net cleaning shaft Download PDFInfo
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- CN209696546U CN209696546U CN201822246261.8U CN201822246261U CN209696546U CN 209696546 U CN209696546 U CN 209696546U CN 201822246261 U CN201822246261 U CN 201822246261U CN 209696546 U CN209696546 U CN 209696546U
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- flue gas
- water curtain
- cleaning shaft
- catch basin
- net cleaning
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Abstract
The utility model relates to a kind of water curtain net cleaning shafts, spray water the braiding network of rivers by using high-pressure pump to be dusted to flue gas, comprising: to convey the conveyance conduit of flue gas；At least two are arranged in the conveyance conduit, to weave the screen collector in the network of rivers；At least two are arranged the catch basin on the outside of the screen collector, to sewage after collecting dust-removing；Setting is below the catch basin and coupled, to handle the cesspool of sewage in the catch basin；The utility model is sprayed water by using high-pressure pump and weaves the network of rivers, make the dust in network of rivers absorption flue gas to achieve the effect that flue gas ash removal, by using network of rivers dedusting, the case where preventing dust from adhering to, the blocking in pipeline is avoided, the efficiency of dust collection of the utility model is improved.
Description
Technical field
The utility model relates to flue gas ash removal technical field more particularly to a kind of water curtain net cleaning shafts.
Background technique
Purification requirement with the continuous enhancing of the environmental consciousness of people, to the generated dusty gas in production process
Also it is continuously improved.Currently, mostly using greatly, conventional cloth bag is filtered or filter element filtering is filtered processing to dusty gas, then directly
Discharge, still have in the gas of discharge account for about total amount 5% or so, ultra-fine dust particle of the diameter less than 5 μm not can be removed, these ultra-fine dusts
Grain directly pollutes environment.And the shortcomings that bag filter it is also obvious that for example need to be replaced frequently filter bag, the service life of filter bag
Also shorter, especially under high temperature, under the working conditions such as corrosive environment, the replacement of filter bag is more frequent, running expense and dimension
Shield expense is all costly.Another common dedusting means are wet dedusting, using spray-absorption liquid, liquid and ash-laden gas
Body contact, achievees the purpose that absorption cleaning, and also obvious the shortcomings that wet dedusting, such as to the absorbability of fine grit
Not strong, running expense and energy consumption are also relatively high, therefore, are badly in need of a kind of to remove ultra-fine dust particle of the diameter less than 5 μm in the market
And the relatively low deduster of energy consumption.
China's industrial dedusting method dust removal mechanism can be divided into " dry type " and " wet type " two kinds of fundamental types.Wet dust removal is by catching
Collection flue dust mode is distinguished are as follows: the multiple types such as water-bath, moisture film, impact type, Venturi tube.Wet dust removal is to utilize water or other liquid
Body contacts with each other with dusty gas, with the transmitting of heat and matter, separates the grit in dust and gas with gas by washing.It is wet at present
Formula dust removal method is inefficient, and generally 60~90% or so, national emission standard is not achieved in primary purification.If further
Efficiency of dust collection is improved, the required pressure loss increases with the increase of efficiency, and efficiency is also unobvious, gas throughput when dedusting
Also it can not freely adjust, the adsorbed solid particulate matter of scavenging solution also not easy-clear in deduster.Therefore it is badly in need of developing one kind
Dust removal method, can flexible modulation treatment quantity, and then improve efficiency of dust collection.
China Patent Publication No.: CN205412577U discloses a kind of Novel pipe type desulfurating dust removing device for flue gas, including
Venturi scrubber, the first filter screen, the second filter screen, control cabinet, the first desulfurizing agent holder, the second desulfurizing agent holder
With chimney and smoke components detector, two sides are separately connected flue gas access conduit and waste row to the venturi scrubber up and down
Pipeline is put, first filter screen and the second filter screen are fixed on inside venturi scrubber, and the venturi scrubber passes through
Connecting pipe is connect with desulfuration pipeline, and the control cabinet is mounted on the upside of connecting pipe, the first desulfurizing agent holder and
Second desulfurizing agent holder is mounted in desulfuration pipeline, and is fixed on waste liquid storage chamber, is equipped with air inducing on the left of the chimney
Machine.It can be seen that the dust-extraction unit has the following problems:
First, the dust-extraction unit is used only strainer and is removed to the dust in flue gas, after long-play, strainer
Surface, which can adhere to a large amount of dust, leads to line clogging, reduces the operational efficiency of described device；
Second, though the dust-extraction unit is dusted flue gas using multistorey strainer mesh, when the first strainer blocks,
It can still result in pipeline to block, to influence the operation of device.
Utility model content
For this purpose, the utility model provides a kind of water curtain net cleaning shaft, to overcome in the prior art due to filter net jam
The problem of causing pipeline efficiency of dust collection to reduce.
To achieve the above object, the utility model provides a kind of water curtain net cleaning shaft, comprising:
To convey the conveyance conduit of flue gas；
At least two are arranged in the conveyance conduit, to weave the screen collector in the network of rivers；
At least two are arranged the catch basin on the outside of the screen collector, to sewage after collecting dust-removing；
Setting is below the catch basin and coupled, to handle the cesspool of sewage in the catch basin.
Further, pressure sensor is equipped in the conveyance conduit, to detect the pressure of flue gas in conveyance conduit.
Further, multiple high pressure nozzles are equipped in the screen collector, the high pressure nozzle is uniformly arranged on described
The upper half of screen collector.
Further, the single high pressure nozzle can spray a plurality of scattering waterline, be sprayed respectively by multiple high pressure nozzles
Waterline is to weave the network of rivers.
Further, at least three sections of cambered surfaces, including ab sections, bc sections and cd sections are equipped in each nozzle inner walls.
Further, the hydraulic pressure of the high pressure nozzle injection waterline is greater than the pressure of flue gas in the conveyance conduit.
Further, drainage hole is offered below each screen collector, the sewage transport of dust will be absorbed extremely
The catch basin.
Further, the catch basin is separately positioned below each screen collector, is removed to collect the water curtain
The sewage of dust is adsorbed in dirt device.
Further, equipped with connecting pipe, the connecting pipe is connected the trench bottom that catchments with the cesspool.
Compared with prior art, the beneficial effects of the utility model are, the utility model is sprayed water by using high-pressure pump
The network of rivers is woven, makes the dust in network of rivers absorption flue gas to achieve the effect that, by using network of rivers dedusting, to prevent powder to flue gas ash removal
The case where dirt adheres to the blocking in pipeline is avoided, improves the efficiency of dust collection of the utility model.
Further, pressure sensor is equipped in the conveyance conduit, it being capable of flue gas in real-time detection conveyance conduit
Air pressure, and the hydraulic pressure of the high pressure nozzle according to air pressure adjustment, to prevent the water in water net from being taken away by flue gas to described in reduction
The efficiency of dust collection of cleaning shaft.
In particular, in the water curtain net cleaning shaft be equipped at least two screen collectors, by flue gas dust it is more
Secondary absorption further improves the efficiency of dust collection of the cleaning shaft to reach high-effective dust-removing.
Further, the high pressure nozzle in the screen collector is uniformly arranged on the upper half of screen collector, in this way,
When high pressure nozzle weaves the network of rivers, the network of rivers can be moved from top to bottom, so that the sewage for absorbing dust is all accumulated in water curtain and removed
The lower half of dirt device will not make sewage be attached to other positions to be taken away by flue gas.
In particular, the single high pressure nozzle can spray the waterline of a plurality of dispersion shape, sprayed simultaneously by multiple high pressure nozzles
Dispersion shape waterline can further increase the efficiency of dust collection of the cleaning shaft to form the network of rivers of more crypto set.
Further, the nozzle inner walls are equipped at least three sections of cambered surfaces, and each segment length and angle are different in cambered surface, this
Water can be dissipated and be exported, so as to improve the efficiency of dust collection of cleaning shaft when nozzle exports water by sample.
In particular, shape of the ab sections of cambered surface using the approximate circular arc of protrusion, in such manner, it is possible to which so that it will not by water currents
Shake occurs and output position is caused deviation occur.
In particular, the shape of the bc sections of cambered surface using the approximate circular arc of recess, it is located at water flow and conveys and more collect due to bc section
In position therefore the water of accumulation effectively can be scattered by output using recess circular arc, to improve the dedusting of the cleaning shaft
Efficiency.
In particular, the cd sections of cambered surface uses rectilinear form, more dispersed position is scattered positioned at water flow due to cd section, because
This, can more directly make water flow dispersion output form the network of rivers using the cambered surface of rectilinear form.
Further, the hydraulic pressure of the high pressure nozzle injection waterline is greater than the pressure of flue gas in the conveyance conduit, in this way,
The waterline will not be taken away the catch basin by flue gas and enter in conveyance conduit, to reduce the dedusting effect of the cleaning shaft
Rate.
In particular, be equipped with through-hole below the water curtain net cleaning shaft, to by sewage transport to the catch basin, pass through by
Conveyance conduit is discharged in sewage, so as to good environment is maintained in pipeline, thus enable the cleaning shaft long-play, into
One step improves the efficiency of dust collection of the cleaning shaft.
In particular, be additionally provided with cesspool in the cleaning shaft, the cesspool can to the sewage that the collecting-tank conveys into
Row is collected and purifies and remove dust therein, and purified sewage can be delivered to again in the high pressure nozzle and repeat to make
With further improving the efficiency of dust collection of the cleaning shaft while energy saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water curtain net cleaning shaft described in the utility model；
Fig. 2 is the diagrammatic cross-section of screen collector described in the utility model.
Specific embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, the utility model is made below with reference to embodiment
It further describes；It should be appreciated that specific embodiment described herein is used only for explaining the utility model, it is not used to limit
The utility model.
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
Preferred embodiments of the present invention are described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining the technical principle of the utility model, not in the protection model of limitation the utility model
It encloses.
It should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc. in the description of the present invention,
The direction of instruction or the term of positional relationship are direction based on the figure or positional relationship, this, which is intended merely to facilitate, retouches
It states, rather than indication or suggestion described device or element must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In addition it is also necessary to explanation, in the description of the present invention, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.To those skilled in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Refering to Figure 1, it is the structural schematic diagram of water curtain net cleaning shaft described in the utility model, including delivery pipe
Road 1, screen collector 2, catch basin 3 and cesspool 4；Wherein, the screen collector 2 is arranged on the conveyance conduit 1, uses
It is dusted with the flue gas to its delivered inside；The setting of catch basin 3 is below the screen collector 2 and coupled,
To collect the sewage after adsorbing dust in the screen collector 2；The cesspool 4 is connected with the catch basin 3, to right
The sewage that catch basin 3 is collected is handled.
When the water curtain net cleaning shaft start to work when, the conveyance conduit 1 by flue gas from left side input and by its to
Right output, during flue gas conveying, the screen collector 2 can spray waterline and weave the network of rivers, when flue gas is by the network of rivers
When, the network of rivers can adsorb the dust in flue gas to reach dust removing effects, and the conveyance conduit 1 is defeated by the flue gas after dedusting after dedusting
Out, meanwhile, the sewage of flue gas is adsorbed downstream to 2 bottom of screen collector, into the catch basin 3,3 meeting of catch basin
The cesspool 4 is built up and is transported to sewage, and behind sewage transport to cesspool 4, cesspool 4 can carry out it
It handles and the dust removal for including it allows it to secondary use.It will be appreciated by those skilled in the art that described
Water curtain net cleaning shaft cannot be only used for the dedusting to flue gas, it can also be used to go to the water-soluble substance of other in gas
It removes, as long as the impurity in its delivered inside gas can be removed by meeting the water curtain net cleaning shaft.
Please continue to refer to shown in Fig. 1, conveyance conduit 1 described in the utility model is a cylindrical pipe, to input containing
The flue gas of dust simultaneously exports flue gas after dedusting, and pressure sensor is equipped at its input port, to measure the air pressure of input gas.
When the flue gas is delivered to 1 inside of conveyance conduit from left end, the screen collector 2, the water curtain dedusting can be passed through
After device 2 is dusted flue gas, the conveyance conduit 1 can export the flue gas after dedusting from right end.It is understood that described
The shape of conveyance conduit 1 can be cylindrical, rectangle or other shapes, as long as conveying can be stablized by meeting the conveyance conduit 1
Flue gas；Certainly, this embodiment is not specifically limited for the material of the conveyance conduit 1, as long as meeting the conveyance conduit 1 not
It will receive the erosion of flue gas.
Please continue to refer to shown in Fig. 1, catch basin 3 described in the utility model is a rectangular channel, and setting is removed in the water curtain
2 lower section of dirt device is simultaneously coupled, to build up the sewage of absorption dust.When the network of rivers in the screen collector 2 to dust into
After row absorption, it will become sewage and flow to 2 bottom of screen collector by gravity and flow in the catch basin 3
Portion.It is understood that this embodiment is not specifically limited for the shape of the catch basin 3, it can as long as meeting the catch basin 3
Build up and load sewage；Certainly, the catch basin 3 can be separately positioned on the small of each 2 bottom of screen collector to be multiple
Type groove, or one is arranged in the big type groove of all 2 bottoms of screen collector, as long as meeting in the screen collector 2
Sewage can flow to the catch basin 3.
Specifically, being additionally provided with drainage pipeline 31 in the catch basin 3, the drainage pipeline 31 is arranged in the catch basin
3 bottoms, and being connected with the cesspool 4, to by the sewage transport in catch basin 3 to cesspool.It is understood that described
The material and size the present embodiment of drainage pipeline 31 are not specifically limited, can be by sewage as long as meeting the drainage pipeline 31
It is delivered in the cesspool 4 from the catch basin 3.
Please continue to refer to shown in Fig. 1, cesspool 4 described in the utility model is arranged below the catch basin 3 and leads to it
It crosses the drainage pipeline 31 to be connected, the sewage conveyed to handle and purify the catch basin 3.When the catch basin 3 is by sewage
When being delivered to the cesspool 4 by drainage pipeline 31, the cesspool 4 can purify sewage, the dust included
It removes and the water after chalk dust removing is made to reach the secondary standard used, after purification, the cesspool 4 can export water after purification.
It is understood that this embodiment is not specifically limited for the shape and size of the cesspool, as long as meeting 4 energy of cesspool
Enough receive the sewage that the catch basin 3 conveys；Certainly, material the present embodiment of the cesspool 4 is also not specifically limited,
As long as meeting the erosion that the cesspool 4 not will receive sewage.
It please refers to shown in Fig. 2, is the cross-sectional view of screen collector 2 described in the utility model, including 21 He of dedusting shell
High pressure nozzle 22, wherein the high pressure nozzle 22 is uniformly arranged on the upper half of 21 inner wall of dedusting shell, to weave water
Net is simultaneously dusted flue gas.When the flue gas enters 2 inside of screen collector, the high pressure nozzle 22 can start to spray
Jetting line simultaneously weaves the network of rivers, and when the flue gas is by the network of rivers, the network of rivers can adsorb its internal dust, is removed with this to flue gas
Dirt.It is understood that the connection type of the screen collector 2 and the conveyance conduit 1 can for welding, integrally connected or
Other kinds of connection type, as long as the water met in the flue gas and screen collector in the conveyance conduit 1 will not leak into
Pipeline is outer；Certainly, the number of the screen collector 2 can be 2,3 or other numbers, as long as meeting the water curtain
Deduster 2 can carry out multiple dedusting to flue gas.
Specifically, the dedusting shell 21 is a cylindrical pipe, it is connected with the conveyance conduit 1 and its cross section
Greater than the cross section of the conveyance conduit 1, circular through hole is offered respectively at its both ends, to will be in the conveyance conduit 1
Flue gas is delivered to inside it, and is exported after dedusting, offers drainage hole, the drainage hole and the catch basin 3 in its lower end
It is connected, the sewage will adsorb dust is discharged.It is understood that the material of the dedusting shell 21 can be iron, zinc, gather
Ethylene or other kinds of metal or nonmetallic materials, this embodiment is not specifically limited, as long as meeting the dedusting shell 21
The erosion of flue gas is not will receive.
Specifically, the high pressure nozzle 22 is seven high pressure nozzles, it is uniform to be arranged on the dedusting shell 21
Half portion, to weave the network of rivers and be dusted to flue gas.After flue gas enters dedusting shell 21, each high pressure nozzle 22
Start to spray waterline, wherein each high pressure nozzle 22 sprays the waterline of a plurality of scattering, multiple high pressure nozzles are more by what is ejected
A waterline intersects, and water curtain net is formed, to be dusted to flue gas.It is understood that of the high pressure nozzle 22
Number can be 7,8,9 or other numbers, as long as the network of rivers can be woven into simultaneously in water spray by meeting the high pressure nozzle 22
Flue gas is dusted.
Wherein, at least three sections of cambered surfaces, including ab sections, bc sections and cd sections are equipped in each nozzle inner walls, wherein each section
The determination method of arc shape includes:
Step 1: it is determined by cross section curve shape of the formula (1) to ab sections of cambered surfaces:
Wherein L1For the arc length of ab sections of cambered surfaces, r is the internal diameter of nozzle, θ1For the angle of ab sections of cambered surfaces and water (flow) direction, and:
Wherein, ρ is the actual density of water in nozzle, can be measured by supersonic detector, ρ0For the standard density of water, θ0
For the default angle and θ of nozzle0=45 °；
Step 2: it is determined by cross section curve shape of the formula (3) to bc sections of cambered surfaces:
Wherein, L2For the arc length of bc sections of cambered surfaces, D is the length of the nozzle, θ2For the folder of bc sections of cambered surfaces and water (flow) direction
Angle, and:
Wherein, ρ is the actual density of water in pipeline, ρ0For the standard density of water；
Step 3: it is determined by cross section curve shape of the formula (5) to cd sections of cambered surfaces:
Wherein, L3For the arc length of cd sections of cambered surfaces, θ3For the angle of cd sections of cambered surfaces and water (flow) direction, and:
Embodiment 1
The present embodiment is to 100 tons of boiler water curtain net dedustings, using 50 tons of flow/high-pressure pump hourly, in conveyance conduit 1
Two layers of screen collector 2 of middle installation is equipped with 7 high pressure nozzles 22 in every layer of screen collector 2, wherein the stream of each high pressure nozzle 22
Amount is 14L/S,
In the present embodiment, the pressure of flue gas is set between 200-600kpa, and the hydraulic pressure of high pressure nozzle is set in
700kpa, to prevent sewage from being taken away by flue gas.
The embodiment of water curtain net cleaning shaft described in the present embodiment is identical as above embodiment.
It after conduit running, can obtain, 97.6% be reached to the removal rate of dust in tunnel gas, pipe described in the utility model
Road can efficiently remove flue gas.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the utility model, still, this
Field technical staff is it is easily understood that the protection scope of the utility model is expressly not limited to these specific embodiments.In
Under the premise of the principles of the present invention, those skilled in the art can make equivalent change to the relevant technologies feature
Or replacement, the technical solution after these changes or replacement are fallen within the protection scope of the utility model.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model；For this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of water curtain net cleaning shaft characterized by comprising
To convey the conveyance conduit of flue gas；
At least two are arranged in the conveyance conduit, to weave the screen collector in the network of rivers；
At least two are arranged the catch basin on the outside of the screen collector, to sewage after collecting dust-removing；
Setting is below the catch basin and coupled, to handle the cesspool of sewage in the catch basin.
2. water curtain net cleaning shaft according to claim 1, which is characterized in that be equipped with pressure sensing in the conveyance conduit
Device, to detect the pressure of flue gas in conveyance conduit.
3. water curtain net cleaning shaft according to claim 1, which is characterized in that be equipped in the screen collector multiple high
Nozzle is pressed, the high pressure nozzle is uniformly arranged on the upper half of the screen collector.
4. water curtain net cleaning shaft according to claim 3, which is characterized in that the single high pressure nozzle can spray a plurality of
Waterline is scattered, sprays waterline respectively by multiple high pressure nozzles to weave the network of rivers.
5. water curtain net cleaning shaft according to claim 4, which is characterized in that being equipped at least in each nozzle inner walls
Three sections of cambered surfaces, including ab sections, bc sections and cd sections.
6. water curtain net cleaning shaft according to claim 4, which is characterized in that the hydraulic pressure of the high pressure nozzle injection waterline
Greater than the pressure of flue gas in the conveyance conduit.
7. water curtain net cleaning shaft according to claim 3, which is characterized in that offered below each screen collector
Drainage hole, the sewage transport of dust will be absorbed to the catch basin.
8. water curtain net cleaning shaft according to claim 1, which is characterized in that the catch basin is separately positioned on each described
Below screen collector, to collect the sewage for adsorbing dust in the screen collector.
9. water curtain net cleaning shaft according to claim 8, which is characterized in that the trench bottom that catchments is equipped with connecting tube
Road, the connecting pipe are connected with the cesspool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246261.8U CN209696546U (en) | 2018-12-28 | 2018-12-28 | Water curtain net cleaning shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246261.8U CN209696546U (en) | 2018-12-28 | 2018-12-28 | Water curtain net cleaning shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209696546U true CN209696546U (en) | 2019-11-29 |
Family
ID=68638763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822246261.8U Active CN209696546U (en) | 2018-12-28 | 2018-12-28 | Water curtain net cleaning shaft |
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| CN (1) | CN209696546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432918A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | Water curtain net cleaning shaft |
| CN112031702A (en) * | 2020-08-31 | 2020-12-04 | 中国石油集团渤海钻探工程有限公司 | External dust removal system for well cementation cement truck |
-
2018
- 2018-12-28 CN CN201822246261.8U patent/CN209696546U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432918A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | Water curtain net cleaning shaft |
| CN112031702A (en) * | 2020-08-31 | 2020-12-04 | 中国石油集团渤海钻探工程有限公司 | External dust removal system for well cementation cement truck |
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