CN207226492U - A kind of close mutually defeated grey process system of novel positive pressure - Google Patents
A kind of close mutually defeated grey process system of novel positive pressure Download PDFInfo
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- CN207226492U CN207226492U CN201721094593.8U CN201721094593U CN207226492U CN 207226492 U CN207226492 U CN 207226492U CN 201721094593 U CN201721094593 U CN 201721094593U CN 207226492 U CN207226492 U CN 207226492U
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- ash
- interface
- chamber
- storehouse pump
- pump
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Abstract
A kind of close mutually defeated grey process system of novel positive pressure, solves poor sealing existing for the defeated gray technology of tradition, often occur bridge formation, swollen ash, dust stratification, it is hardened phenomena such as, the problem of influencing deduster normal operation.Including dust collector ash hopper, it is characterised in that：Conveying storehouse pump is provided with below dust collector ash hopper, the outlet of the rotary discharge valve set at the pump ash hole of conveying storehouse, which is set, accelerates junction chamber；Accelerate in the accelerating cavity of junction chamber, positioned at the side of supercharging interface, conical air pipe is set, and the inclination set in outlet valve interface is connected into grey passage with accelerating cavity；The supercharging interface of junction chamber is accelerated to be connected with air accumulator；The fluidizing chamber of conveying storehouse pump is connected by fluidization pipeline with air delivering pipeline；The defeated grey interface of junction chamber is accelerated to be connected with ash-storing bin.It is reasonable that it is designed, compact-sized, can combine defeated ash with static energy using the dynamic pressure of compressed air, and for grey gas than high, conveying flow velocity is low, applied widely, easy to maintain, and use reliability is high.
Description
Technical field
The utility model belongs to the defeated grey process system technical field of dedusting, and in particular to a kind of dynamic pressure using compressed air
Defeated ash can be combined with static energy, grey gas is than high, low, applied widely, easy to maintain, reliability the is high novel positive pressure of conveying flow velocity
Close mutually defeated grey process system.
Background technology
The defeated ash in thermal power plant, steam power plant and cement industry deduster, mostly using screw conveyor, scrapper conveyor,
The defeated grey technique of the tradition such as wet ash transportation.These traditional defeated grey process systems, either tubular type, the screw conveyor of slot type, also
Be scrapper conveyor all there are sealing problem, frequently result in the reentrainment of dust during defeated ash, environment polluted.In addition, waterpower
Once ash-transmission system operating condition changes, ash bucket often occur bridge formation, swollen ash, dust stratification, it is hardened phenomena such as, or even can occur
Dust inlet blocks, causes the stuck situation of conveyer, and motor is burnt when serious, directly affects the normal operation of deduster.Therefore have
The defeated grey process system of the necessary dedusting to the prior art is improved.
Utility model content
The utility model is aiming at the above problem, there is provided a kind of dynamic pressure using compressed air can combine defeated with static energy
Ash, for grey gas than high, conveying flow velocity is low, applied widely, the close mutually defeated grey technique system of novel positive pressure easy to maintain, that reliability is high
System.
Technical solution is used by the utility model：The close mutually defeated grey process system of the novel positive pressure includes deduster ash
Bucket, it is characterised in that：Conveying storehouse pump, ash port and the conveying storehouse pump of dust collector ash hopper are provided with below the dust collector ash hopper
Ash charge mouth between be provided with plate inlet valve；Rotary discharge valve is provided with the ash hole of conveying storehouse pump, rotary discharge valve
Outlet is provided with acceleration junction chamber；Junction chamber is accelerated to be made of accelerating chamber main body, accelerating chamber main body is internally provided with accelerating cavity；
One end of accelerating chamber main body is provided with supercharging interface, and the other end of accelerating chamber main body is provided with defeated grey interface, accelerating chamber main body
Top is then provided with outlet valve interface；In accelerating cavity, positioned at the side of supercharging interface, be provided with conical air pipe, outlet valve interface
The inclination of interior setting is connected into grey passage with the accelerating cavity of accelerating chamber main body；Junction chamber is accelerated to pass through outlet valve interface and rotation
The outlet of outlet valve is connected；The supercharging interface for accelerating junction chamber is connected by air delivering pipeline with air accumulator, and air delivering pipeline
On be provided with breather check valve；Fluidizing chamber inside the pump of conveying storehouse is connected by fluidization pipeline with air delivering pipeline；Accelerate connection
The defeated grey interface of room is connected by ash handing pipeline with the rewinding mouth of ash-storing bin.
Horizontally disposed storehouse pump sieve plate is provided with the fluidizing chamber of conveying storehouse pump；Storehouse pumps sieve plate by disk sieve nest structure
Into, be provided with disk sieve nest several pumping dumping pit.In favor of the fluidization of flying dust in the pump of conveying storehouse；And make compressed air
Evenly into the pump of conveying storehouse, raised easy to the quick of pressure in the pump of storehouse.
The upper and lower part of the conveying storehouse pump pump housing, is respectively arranged with high-order level-sensing device and low level level-sensing device.With at any time
The grey position of flying dust in the pump of monitoring conveying storehouse, easy to whole defeated grey process system in the stages such as charging, pressurization fluidisation, defeated ash and purgings
Between switching.
Pressure transmitter is additionally provided with the air delivering pipeline.To monitor the change of compressed air pressure in air delivering pipeline in real time
Change, beneficial to the control to flying dust pressurized fluidization process in the pump of conveying storehouse.
The beneficial effects of the utility model：Since the deduster that the utility model uses lower section to be provided with conveying storehouse pump is grey
Bucket, plate inlet valve is set between the ash port of dust collector ash hopper and the ash charge mouth of conveying storehouse pump；At the ash hole for conveying storehouse pump
Rotary discharge valve is set, and the outlet of rotary discharge valve, which is set, accelerates junction chamber；The accelerating chamber body interior of junction chamber is accelerated to set
Accelerating cavity；Lead in accelerating cavity, positioned at the side for being pressurized interface, setting conical air pipe, the interior inclination set of outlet valve interface into ash
Road is connected with accelerating cavity；Accelerate junction chamber to be connected by outlet valve interface with the outlet of rotary discharge valve, accelerate junction chamber
Supercharging interface is connected by air delivering pipeline with air accumulator；The fluidizing chamber of conveying storehouse pump passes through fluidization pipeline and air delivering pipeline phase
Even；Accelerate the defeated grey interface of junction chamber to be connected by ash handing pipeline with ash-storing bin, formed utilize compressed air dynamic pressure can with it is quiet
The high concentration of pressure energy joint conveying, high efficiency air-transport system；It has the following advantages that.
1st, higher grey gas ratio.The grey gas ratio of the close mutually defeated grey process system of the novel positive pressure is and normal up to 30~60Kg/Kg
The grey gas of dilute phase system is advised than being only 5~15Kg/Kg；Therefore, the specific air consumption of the system is only the 1/3~1/ of other systems
2.Thus a series of favorable factor is brought：A. supply need not use large air compressor；B. ash-transmission system is conveyed into storage ash
The tolerance in storehouse is smaller；C. the bore of pipeline used greatly reduces.
2nd, relatively low conveying flow velocity.The defeated grey mean flow rate of the system in 8~12m/s, and the initial segment flow velocity be only 5~
8m/s, is half of conventional dilute phase system or so, therefore effectively reduces the abrasion of ash handing pipeline.Since the abrasion of pipeline reduces
, so expensive wear-resistant pipe need not can be used, using common seamless steel pipe, and only wear-resisting material need to be used in bend part
Material（Liner tile）Or increase wall thickness.
3rd, wide adaptation range.The fed distance of system all has good from short-range 50 meters to 1500 meters of long range
Transportation performance.In addition, the conveying for longer distance, can be solved, using flexible is strong by the way of intermediate station relay.
4th, matching performance is good.Conveying storehouse pump is directly connected with dust collector ash hopper, under normal operating conditions, is only existed in ash bucket
Corresponding conveying storehouse pump just has a small amount of dust stratification when being in feed status；So dust collector ash hopper can not separately set heating and gasification is set
It is standby, be conducive to the reliability service of deduster.
5th, install and easy to maintain.The close mutually defeated grey process system design of the novel positive pressure is reasonable, compact-sized, each several part group
Part is using the absolute construction form of convenient dismounting；When component wear needs replacing or is safeguarded, phase need only be individually unloaded
Component is answered, it is time saving and energy saving.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the utility model.
Fig. 2 is a kind of internal structure schematic diagram of the acceleration junction chamber in Fig. 1.
Fig. 3 is a kind of structure diagram of the internal storehouse pump sieve plate of conveying storehouse pump in Fig. 1.
Fig. 4 is another embodiment schematic diagram of the utility model.
Number explanation in figure：1 dust collector ash hopper, 2 ash ports, 3 plate inlet valves, 4 conveying storehouse pumps, 5 fluidization pipelines, 6
Pressure transmitter, 7 breather check valves, 8 air delivering pipelines, 9 air accumulators, 10 accelerate junction chamber, 11 rotary discharge valves, 12 ash pipelines
Road, 13 ash-storing bins, 14 low level level-sensing devices, 15 high-order level-sensing devices, 16 accelerating chamber main bodys, 17 supercharging interfaces, 18 conical air pipes, 19 go out
Material valve interface, 20 are tilted into grey passage, 21 accelerating cavities, 22 defeated grey interfaces, 23 disk sieve nests, 24 pumping dumping pits.
Embodiment
Describe the concrete structure of the utility model in detail according to Fig. 1~4.The close mutually defeated grey process system of the novel positive pressure includes
Lower section is provided with the dust collector ash hopper 1 of conveying storehouse pump 4, and the ash port 2 of 1 lower part of dust collector ash hopper, enter with conveying storehouse 4 tops of pump
Between grey mouth, the plate inlet valve 3 for making flying dust enter in conveying storehouse pump 4 is provided with.Convey the ash hole that storehouse pumps 4 lower parts
Place, then be provided with for allowing conveying storehouse to pump the rotary discharge valve 11 that gas ash mixture in 4 enters ash handing pipeline 12.In order to beneficial to
The fluidization of flying dust in storehouse pump 4 is conveyed, horizontally disposed storehouse pump sieve plate is provided with the fluidizing chamber of conveying storehouse pump 4；Storehouse pumps sieve plate
Including disk sieve nest 23, several pumping dumping pits 24 circumferentially successively arranged are provided with disk sieve nest 23；So that compression
Air is raised evenly into conveying storehouse pump 4 easy to the quick of pressure in the pump of storehouse.Needs, conveying are used with reference to specific
Storehouse pump 4 can use endurance, anti abrasive top-guiding type fluidized pump.For flying dust ash position in the storehouse of monitoring conveying at any time pump 4
Purpose, conveying storehouse pump the upper and lower part of 4 pump housings, high-order level-sensing device 15 and low level level-sensing device 14 are respectively arranged with, in order to whole
Switching of a defeated grey process system between the stages such as charging, pressurization fluidisation, defeated ash and purging.
The outlet that storehouse pumps the rotary discharge valve 11 of 4 lower parts is conveyed, is provided with the acceleration junction chamber for flying dust pressure-increasing unit
10.Junction chamber 10 is accelerated to include accelerating chamber main body 16, accelerating chamber main body 16 is internally provided with for for flying dust flow boost
Accelerating cavity 21.One end of accelerating chamber main body 16, is provided with the supercharging interface 17 for being connected with air delivering pipeline 8；Accelerating chamber main body
16 other end, then be provided with the defeated grey interface 22 for being connected with ash handing pipeline 12；The top of accelerating chamber main body 16, is set
It is useful for exporting the outlet valve interface 19 being connected with rotary discharge valve 11.Accelerate in the accelerating cavity 21 of junction chamber 10, positioned at supercharging
The side of interface 17, is provided with the conical air pipe 18 for lifting compressed air flowing speed；Set in outlet valve interface 19
Tilt into grey passage 20, the accelerating cavity 21 with accelerating junction chamber 10 is connected；Acceleration will be flowed into via rotary discharge valve 11
Flying dust in 10 accelerating cavity 21 of junction chamber, is transported in ash-storing bin 13 by ash handing pipeline 12.
Junction chamber 10 is accelerated to be connected by the outlet valve interface 19 on top, with the outlet of 11 lower part of rotary discharge valve.Add
The supercharging interface 17 of fast 10 one end of junction chamber, then be connected by air delivering pipeline 8 with compressed air reservoir 9；On air delivering pipeline 8
It is additionally provided with the breather check valve 7 for controlling compressed air to flow to.It is also, empty in order to monitor compression in air delivering pipeline 8 in real time
The change of atmospheric pressure, is additionally provided with pressure transmitter 6 on air delivering pipeline 8, in favor of to flying dust pressurized fluidization in conveying storehouse pump 4
The control of process.Fluidizing chamber inside conveying storehouse pump 4 is connected by fluidization pipeline 5 with air delivering pipeline 8；Accelerate junction chamber 10
Defeated grey interface 22, be connected by ash handing pipeline 12 with the rewinding mouth of ash-storing bin 13.According to specifically using needs, ash-storing bin
13 top can also set pressure security relief valve and deduster, with the use reliability of lifting system.Since system conveys
Flow velocity is relatively low, and ash handing pipeline 12 can use common seamless steel pipe（General 6~the 8mm of wall thickness）；During long-distance sand transport, to reduce end
Flow velocity is conveyed, 12 reducing mode of ash handing pipeline can be used, 12 elbow of ash handing pipeline can also use the nothing of wear-resistant pipe or back thickening
Stitch steel pipe.
The close mutually defeated grey process system of the novel positive pressure is in use, the acquiescence of plate inlet valve 3 is in opening, source of the gas valve and rotation
Turn outlet valve 11 and be in closed mode.At this time, convey storehouse pump 4 with dust collector ash hopper 1 to be connected, no pressure in conveying storehouse pump 4
（With equipressure inside deduster）, the flying dust in dust collector ash hopper 1 entered in conveying storehouse pump 4 via ash port 2.When conveying storehouse pump
When flying dust ash position is risen to high-order 15 probe contacts of level-sensing device in 4, plate inlet valve 3 is automatically closed in system, stops charging.Plate
After inlet valve 3 is closed, open source of the gas valve, the compressed air in air accumulator 9 via air delivering pipeline 8 and fluidization pipeline 5, uniformly into
Enter into the conveying storehouse pump 4 of closing, so that the abundant fluidization of flying dust in conveying storehouse pump 4；Meanwhile convey storehouse pump 4 in pressure by
Edge up height.When pressure rises to upper pressure limit in conveying storehouse pump 4, system automatically turns on rotary discharge valve 11.Then, continue through
Fluidization pipeline 5 is passed through compressed air into conveying storehouse pump 4, and then makes gas ash mixture by rotary discharge valve 11 and accelerate to connect
Connect room 10, into ash handing pipeline 12, be finally delivered in ash-storing bin 13.
With the conveying of flying dust in conveying storehouse pump 4, under the resistance of ash handing pipeline 12 and the pressure conveyed in storehouse pump 4 are continuous
Drop；When pressure is reduced to low pressure limit in conveying storehouse pump 4（After fly ash carry）, it is defeated ash process terminate；But source of the gas at this time
Valve and rotary discharge valve 11 are still within opening, prepare for purging process.Afterwards, continue to conveying storehouse pump 4 and defeated ash
Compressed air is passed through in pipeline 12, to be purged；After purging, source of the gas valve and rotary discharge valve 11 are closed.It is again turned on
Plate inlet valve 3, conveying storehouse pump 4 return to feed state, then, the above-mentioned pressurization fluidisation of repetition, defeated ash and purging and etc., it is right
Flying dust in dust collector ash hopper 1 carries out intermittent lasting conveying.The close mutually defeated grey process system of the novel positive pressure utilizes compressed air
Dynamic pressure can combine with static energy conveying mode, realize the high concentration of flying dust in dust collector ash hopper, high efficiency Geldart-D particle；System
Overall performance index of uniting is far more than conventional dilute phase conveying system, and for grey gas than high, conveying flow velocity is low, applied widely.
Claims (4)
1. a kind of close mutually defeated grey process system of novel positive pressure, including dust collector ash hopper（1）, it is characterised in that：The deduster ash
Bucket（1）Lower section be provided with conveying storehouse pump（4）, dust collector ash hopper（1）Ash port（2）With conveying storehouse pump（4）Ash charge mouth it
Between be provided with plate inlet valve（3）；Convey storehouse pump（4）Ash hole at be provided with rotary discharge valve（11）, rotary discharge valve
（11）Outlet be provided with acceleration junction chamber（10）；Accelerate junction chamber（10）By accelerating chamber main body（16）Form, accelerating chamber main body
（16）Be internally provided with accelerating cavity（21）；Accelerating chamber main body（16）One end be provided with supercharging interface（17）, accelerating chamber main body
（16）The other end be provided with defeated grey interface（22）, accelerating chamber main body（16）Top be then provided with outlet valve interface（19）；Add
Fast chamber（21）It is interior, positioned at supercharging interface（17）Side, be provided with conical air pipe（18）, outlet valve interface（19）Interior setting is inclined
Tiltedly into grey passage（20）With accelerating chamber main body（16）Accelerating cavity（21）It is connected；Accelerate junction chamber（10）Pass through outlet valve interface
（19）With rotary discharge valve（11）Outlet be connected；The acceleration junction chamber（10）Supercharging interface（17）Pass through air delivering pipeline
（8）With air accumulator（9）It is connected, and air delivering pipeline（8）On be provided with breather check valve（7）；Convey storehouse pump（4）Internal fluidizing chamber
Pass through fluidization pipeline（5）With air delivering pipeline（8）It is connected；Accelerate junction chamber（10）Defeated grey interface（22）Pass through ash handing pipeline
（12）With ash-storing bin（13）Rewinding mouth be connected.
2. the close mutually defeated grey process system of novel positive pressure according to claim 1, it is characterised in that：Conveying storehouse pump（4）
Fluidizing chamber in be provided with horizontally disposed storehouse pump sieve plate；Storehouse pumps sieve plate by disk sieve nest（23）Form, disk sieve nest（23）On
It is provided with several pumping dumping pits（24）.
3. the close mutually defeated grey process system of novel positive pressure according to claim 1, it is characterised in that：Conveying storehouse pump（4）
The upper and lower part of the pump housing, is respectively arranged with high-order level-sensing device（15）With low level level-sensing device（14）.
4. the close mutually defeated grey process system of novel positive pressure according to claim 1, it is characterised in that：The air delivering pipeline（8）
On be additionally provided with pressure transmitter（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094593.8U CN207226492U (en) | 2017-08-30 | 2017-08-30 | A kind of close mutually defeated grey process system of novel positive pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094593.8U CN207226492U (en) | 2017-08-30 | 2017-08-30 | A kind of close mutually defeated grey process system of novel positive pressure |
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| Publication Number | Publication Date |
|---|---|
| CN207226492U true CN207226492U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721094593.8U Expired - Fee Related CN207226492U (en) | 2017-08-30 | 2017-08-30 | A kind of close mutually defeated grey process system of novel positive pressure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846968A (en) * | 2020-08-06 | 2020-10-30 | 福建龙净环保股份有限公司 | Dust conveying system of calcium carbide furnace and operation method of dust conveying system |
| CN114955555A (en) * | 2022-06-27 | 2022-08-30 | 纽普兰能源科技(镇江)有限公司 | Storehouse pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
| CN115849012A (en) * | 2022-11-18 | 2023-03-28 | 中冶南方(湖南)工程技术有限公司 | Coke powder pneumatic conveying method and system |
-
2017
- 2017-08-30 CN CN201721094593.8U patent/CN207226492U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846968A (en) * | 2020-08-06 | 2020-10-30 | 福建龙净环保股份有限公司 | Dust conveying system of calcium carbide furnace and operation method of dust conveying system |
| CN111846968B (en) * | 2020-08-06 | 2021-12-24 | 福建龙净环保股份有限公司 | Dust conveying system of calcium carbide furnace and operation method of dust conveying system |
| CN114955555A (en) * | 2022-06-27 | 2022-08-30 | 纽普兰能源科技(镇江)有限公司 | Storehouse pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
| CN114955555B (en) * | 2022-06-27 | 2023-11-21 | 纽普兰能源科技(镇江)有限公司 | Cabin pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
| CN115849012A (en) * | 2022-11-18 | 2023-03-28 | 中冶南方(湖南)工程技术有限公司 | Coke powder pneumatic conveying method and system |
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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: 20180413 Termination date: 20210830 |