CN209213904U - A kind of coal slime transportation system - Google Patents
A kind of coal slime transportation system Download PDFInfo
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- CN209213904U CN209213904U CN201821850000.0U CN201821850000U CN209213904U CN 209213904 U CN209213904 U CN 209213904U CN 201821850000 U CN201821850000 U CN 201821850000U CN 209213904 U CN209213904 U CN 209213904U
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- coal slime
- coal
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- slurrypump
- transportation system
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Abstract
The utility model relates to a kind of coal slime transportation systems, coal slime is mainly first crushed by it by stranding and machine in the way of cutting and tearing, it carries out that the coal slime of crushing being delivered in mixing chamber in scrapper conveyor later, dust is reduced after mixing in mixing chamber with water, and facilitate conveying, after through coal slurrypump be pumped into coal slime conveyance conduit and high-pressure delivery to boiler, it is used as fuel, the equipment flowsheet of the utility model is simple, energy consumption is small, reduce operating cost, and it is easy to operate practical and convenient, safety is reliable, fully achieve production needs, equipment failure rate reduces by 98%, greatly improve production efficiency.
Description
Technical field
The utility model belongs to coal slime conveying technology field, in particular to a kind of coal slime transportation system.
Background technique
Coal slime refers to the semisolid object of the aqueous formation of coal dust, is one of coal production process product, due to its granularity
Carefully, the features such as moisture is high, viscosity is big, transport is inconvenient makes it difficult to realize industrial application, but if long-term stockpiling, not only accounts for
With a large amount of soils, and seriously pollute environment.As coal deep processing develops, coal slime yield obviously rises, the comprehensive benefit of coal slime
With problem in the urgent need to address is become, the secondary use of coal slime becomes hot spot.Therefore, there is part coal slime former by selection substitution
For coal as Power Plant Fuel, being delivered to boiler can combustion power generation.
Now relatively advanced mode of movement is exactly that coal slime is conveyed with pipeline transporter, and hermetically sealed structure avoids
Coal slime meets water flow and loses, air-dries the problem of flying upward in traditional open transportational process.But existing conveying device is generally all
Be that coal slime is delivered to scrapper conveyor by awarding coal scuttle, coal slime be delivered to stranding and machine by more parallel scrapper conveyors, rub with the hands and
It is transported in mixing chamber and stirs through hopper machine, loading screw conveyor after being mixed in machine with water, agitated storehouse is secondary to add water
It is pumped into coal slime pipeline using coal slurrypump afterwards, is delivered to boiler, usually this transportation system needs at least two coal slime scrapper conveyors, four
Platform coal slime is rubbed with the hands and machine, four coal slimes buffer hopper machine, four coal slime feeding screw machines, four coal slime mixing chambers, four coal slurrypumps
Etc. equipment, the number of motors of these equipment nearly 14, power load is up to 260Kw/h, and therefore, power load is larger, in addition,
That there is also equipment breakdowns in equipment running process is more, maintenance load is big, the cost of overhaul, operating cost are high, directly affects production
Efficiency.
Summary of the invention
In order to overcome the above technical problems, the utility model is laid out optimization and improvement to original coal slime transportation system,
It is proposed a kind of new coal slime transportation system easy to operate, low energy consumption, high production efficiency and maintenance rate are low.
The technical scheme adopted by the utility model is
A kind of coal slime transportation system, including rub with the hands and machine 1, scrapper conveyor 2, mixing chamber 3, coal slurrypump 4 and coal slime conveyance conduit
5, the stranding and machine 1 are connected to by scrapper conveyor 2 with mixing chamber 3, and the mixing chamber 3 includes water inlet and discharge port, mixing chamber 3
Water inlet is connected to by pipeline with waterpipe is carried out, and the discharge port of mixing chamber 3 is connected to by coal slurrypump 4 with coal slime conveyance conduit 5.
It further limits, the discharge port of the mixing chamber 3 is connected to by preload screw conveyer 7 with coal slurrypump 4.
It further limits, maintenance gate valve 8 is additionally provided on the discharge port of the mixing chamber 3.
It further limits, the mixing chamber 3 is to connect side by side multiple, and the feed inlet of mixing chamber 3 passes through pipeline respectively
Connection corresponding with the discharge port of scrapper conveyor 2.
It further limits, the mixing chamber 3 is 2~4, and correspondence offers 2~4 discharge ports on the scrapper conveyor 2.
It further limits, the coal slime conveyance conduit 5 is corresponded with coal slurrypump 4, is led between coal slime conveyance conduit 5 two-by-two
Cross the connection of high-pressure reversing valve 6.
Further limit, the coal slurrypump 4 also with carry out waterpipe and be connected to.
Further limit, the outlet of the coal slurrypump 4 by triple valve respectively with coal slime conveyance conduit 5 and outer mud pipeline 9
Connection.
The coal slime transportation system of the utility model is mainly first carried out coal slime by stranding and machine in the way of cutting and tearing
It is broken, it carries out that the coal slime of crushing being delivered in mixing chamber in scrapper conveyor later, reduces dust after mixing in mixing chamber with water,
And facilitate conveying, after be pumped into coal slime conveyance conduit through coal slurrypump and be delivered to boiler, used as fuel, the utility model is set
Standby process is simple, and existing 14 motors, which are reduced to 2 motors, can be realized, and power load is reduced to 38.5KW/h, energy consumption
It is small, reduce operating cost, and it is easy to operate it is practical and convenient, safety is reliable, fully achieve production needs, equipment breakdown
Rate reduces by 98%, greatly improves production efficiency.
Detailed description of the invention
Fig. 1 is the process flow diagram of the utility model.
Specific embodiment
The technical solution of the utility model is further described now in conjunction with drawings and examples.
As shown in Figure 1, the coal slime transportation system of the utility model includes rubbing with the hands and machine 1, scrapper conveyor 2, mixing chamber 3, coal slurrypump
4, coal slime conveyance conduit 5, high-pressure reversing valve 6, preload screw conveyer 7, maintenance gate valve 8 and outer mud pipeline 9, wherein rub with the hands
Broken for being cut and being torn to coal slime with machine 1, crushing large-sized coal grain is the fine coal of small particle.Rub the discharging with machine 1 with the hands
Mouthful connect with the feed inlet of scrapper conveyor 2, the coal dust of stranding and crushing is delivered to scrapper conveyor 2, the scrapper conveyor 2 can with multiple discharge,
Mixing chamber 3 is provided with below the corresponding each discharge port of scrapper conveyor 2, mixing chamber 3 can be according to the discharge port quantity of scrapper conveyor 2
It is adjusted, more mixing chambers 3 can be set, from the point of view of operating cost and treating capacity tradeoff, be preferred with 2~4, the present embodiment
Corresponding 4 mixing chambers 3 of a scrapper conveyor 2.The top of each mixing chamber 3 opens up feed inlet, and upper lateral part opens up water inlet, bottom
Discharge port is opened up, the discharge port of the feed inlet and scrapper conveyor 2 of mixing chamber 3 is correspondingly connected with, and the water inlet of mixing chamber 3 is by being mounted on
Water inlet control valve on pipeline is connected to waterpipe is carried out, and adds water mix to the coal slime for entering mixing chamber 3.The discharge port of mixing chamber 3
On maintenance slide valve, easy access are installed.Mixing chamber 3 is connected to by overhauling slide valve with preload screw conveyer 7, and coal slime is logical
It crosses after preload screw conveyer 7 pressurizes and exports.The discharge port of preload screw conveyer 7 is connected to by pipeline with coal slurrypump 4, with pressure
The mode of power feed is delivered to coal slurrypump 4.Coal slurrypump 4 is also connected to by pipeline with waterpipe is carried out, to need further to humidify
Coal slime is humidified, and also be can use hydraulic pressure and is formed thrust to coal slime, guarantees that coal slurrypump 4 is stable.The outlet of the coal slurrypump 4
Upper connection triple valve, the one outlet of the triple valve are connected to outer mud pipeline 9, another outlet is connected to coal slime conveyance conduit 5,
The outer discharge capacity of coal slime is adjusted by the outer mud control valve being mounted on outer mud pipeline 9.Coal slurrypump 4 is by being mounted on coal slime delivery pipe
Coal slime control valve on road 5 is adjusted into the slime content of boiler, and coal slime conveyance conduit 5 and coal slurrypump 4 correspond.In order to guarantee
Mutual switch operating between four mixing chambers 3 is connected between coal slime conveyance conduit 5 two-by-two by high-pressure reversing valve 6, two height
Pressure paste coal slime, which switches to after same pipeline further pressurizes, to be delivered in boiler.
The coal slime transportation system of the utility model is worked according to following below scheme:
The coal dust of dump is fed directly to stranding and machine 1 outside room through forklift, is delivered to scraper plate after rubbing with the hands and crushing with 1 tearing of machine
Machine 2, the multiple discharge through scrapper conveyor 2 are delivered in mixing chamber 3, and in mixing chamber 3 plus water forms paste coal slime, are sufficiently stirred
It mixes, after homogenate, by the pressurization output of preload screw conveyer 7 to coal slurrypump 4, coal slurrypump 4 is entered coal slime conveyance conduit 5 by coal slurrypump 4
In, it is incorporated into all the way after the switching of high-pressure reversing valve 6 with adjacent coal slime conveyance conduit 5, further pressurizes, formed to coal slime
It is delivered in boiler after high-pressure coal slurry, slime content needed for realizing the long-distance sand transport of coal slime and guaranteeing Boiler Stable Combustion is realized
Low energy consumption, high efficiency, the purpose of high yield.
Claims (8)
1. a kind of coal slime transportation system, including rub with the hands defeated with machine (1), scrapper conveyor (2), mixing chamber (3), coal slurrypump (4) and coal slime
Send pipeline (5), it is characterised in that: the stranding and machine (1) are connected to by scrapper conveyor (2) with mixing chamber (3), the mixing chamber (3)
Including water inlet and discharge port, the water inlet of mixing chamber (3) is connected to by pipeline with waterpipe is carried out, the discharge port of mixing chamber (3)
It is connected to by coal slurrypump (4) with coal slime conveyance conduit (5).
2. coal slime transportation system according to claim 1, which is characterized in that the discharge port of the mixing chamber (3) passes through pre-
Pressure screw conveyor (7) is connected to coal slurrypump (4).
3. coal slime transportation system according to claim 2, which is characterized in that also set on the discharge port of the mixing chamber (3)
It is equipped with maintenance gate valve (8).
4. described in any item coal slime transportation systems according to claim 1~3, which is characterized in that the mixing chamber (3) is arranged side by side
What is connected is multiple, and the feed inlet of mixing chamber (3) passes through pipeline connection corresponding with the discharge port of scrapper conveyor (2) respectively.
5. coal slime transportation system according to claim 4, which is characterized in that the mixing chamber (3) is 2~4, described to scrape
Correspondence offers 2~4 discharge ports on trigger (2).
6. coal slime transportation system according to claim 4, which is characterized in that the coal slime conveyance conduit (5) and coal slurrypump
(4) it corresponds, is connected between coal slime conveyance conduit (5) by high-pressure reversing valve (6) two-by-two.
7. coal slime transportation system according to claim 6, which is characterized in that the coal slurrypump (4) also with come waterpipe connect
It is logical.
8. coal slime transportation system according to claim 7, which is characterized in that the outlet of the coal slurrypump (4) passes through threeway
Valve is connect with coal slime conveyance conduit (5) and outer mud pipeline (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850000.0U CN209213904U (en) | 2018-11-09 | 2018-11-09 | A kind of coal slime transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850000.0U CN209213904U (en) | 2018-11-09 | 2018-11-09 | A kind of coal slime transportation system |
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| Publication Number | Publication Date |
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| CN209213904U true CN209213904U (en) | 2019-08-06 |
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| CN201821850000.0U Active CN209213904U (en) | 2018-11-09 | 2018-11-09 | A kind of coal slime transportation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375151A (en) * | 2021-05-31 | 2021-09-10 | 湖北东方化工有限公司 | Desulfurization system of circulating fluidized bed boiler |
-
2018
- 2018-11-09 CN CN201821850000.0U patent/CN209213904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375151A (en) * | 2021-05-31 | 2021-09-10 | 湖北东方化工有限公司 | Desulfurization system of circulating fluidized bed boiler |
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