CN208620745U - A kind of low temperature jet flow atomization coal slime drying system - Google Patents
A kind of low temperature jet flow atomization coal slime drying system Download PDFInfo
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- CN208620745U CN208620745U CN201821128031.5U CN201821128031U CN208620745U CN 208620745 U CN208620745 U CN 208620745U CN 201821128031 U CN201821128031 U CN 201821128031U CN 208620745 U CN208620745 U CN 208620745U
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- coal slime
- drier
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- low temperature
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Abstract
The utility model provides a kind of low temperature jet flow atomization coal slime drying system, the system includes sequentially connected high-speed flow generation device, mixer, drier and three-phase separating device, high-speed flow generation device sprays the high-speed flow high speed of generation into mixer, is mixed with the coal slime in mixer；Mixer sprays mixed high-speed flow and coal slime high speed to drier, drier is under the action of high-speed flow, the quick separating of coal slime and its contained humidity is realized under low-temperature condition, and the moisture isolated is conveyed to three-phase separating device together with coal slime and dusty gas；Three-phase separating device carries out three phase separation to the dusty gas, liquid water and solid-state coal slime generated in separation process, to realize the low temperature rapid draing of coal slime.Coal slime drying efficiency can be improved in the utility model, reduces energy consumption, improves dry safety.
Description
Technical field
The utility model belongs to coal slime drying and upgrading field, and in particular to a kind of low temperature jet flow atomization coal slime drying system.
Background technique
Coal slime is the byproduct of generation during coal washing.The annual coal slime quantum of output in China is up to 300,000,000 tons at present,
Yield is very huge.Contain a large amount of combustible components in coal slime, has compared with high heating value, there is very high comprehensive utilization value.It is another
Aspect, if coal slime is not used, extremely serious pollution will be caused to environment by being allowed to air storage.But coal slime, which has, to be contained
Water is high, viscosity is big, easy to knot groups, easily bonding, the features such as discharge is discontinuous, cause its during transport and storage often to
Production system brings many problems, and causes subsequent heat utilization rate low, has seriously affected the comprehensive utilization of coal slime.Coal slime is done
Dry upgrading has become the important topic of its resource utilization.
Traditional coal slime is dry, using the technology of " coal furnace+roller drier ".Coal furnace is low by burning
Calorific value coal provides high-temperature flue gas for roller drier, carries out direct drying to filter-pressing coal slime, achieves certain effect
Benefit.But exhaust gas volumn is big, and dust removing effects are poor, it is difficult to which desulphurization denitration, discharge are difficult to up to standard；Flue-gas temperature is higher, directly connects with coal slime
Touching, device security is relatively poor, and energy consumption is higher.In recent years, air contaminant treatment situation is increasingly severe, energy conservation and environmental protection requirement
It increasingly improves, using coal furnace as heat source and the relatively low traditional coal slime dry technology of the thermal efficiency has been unable to satisfy requirement.
Utility model content
The utility model provides a kind of low temperature jet flow atomization coal slime drying system, lower to solve current coal slime drying efficiency
And the problem that energy consumption is larger.
According to the utility model embodiment in a first aspect, provide a kind of low temperature jet flow atomization coal slime drying system, including
Sequentially connected high-speed flow generation device, mixer, drier and three-phase separating device, the high-speed flow generation device will
The high-speed flow high speed injection of generation is mixed into the mixer with the coal slime in the mixer；The mixer
By mixed high-speed flow and coal slime high speed injection to the drier, the drier under the action of high-speed flow,
The quick separating of coal slime and its contained humidity is realized under low-temperature condition, and the moisture isolated is defeated together with coal slime and dusty gas
Give the three-phase separating device；The three-phase separating device is to the dusty gas, liquid water and solid-state generated in separation process
Coal slime carries out three phase separation, to realize the low temperature rapid draing of coal slime.
In an optional implementation manner, under the action of high-speed flow, the air pressure level in the drier increases,
To make the temperature in drier increase, drier carries out quick separating to coal slime and its contained humidity under low-temperature condition.
In another optional implementation, the low temperature is less than 600C, and moisture content drops to 10% after coal slime is dry
Below.
In another optional implementation, the high-speed flow generation device include sequentially connected high-speed fan and
Airflow injection device, wherein high-speed fan is used to spray high-speed flow high speed for generating high-speed flow, airflow injection device
To in the mixer.
It further include sequentially connected coal slime storage bin and paste pump, the lotion in another optional implementation
Pump is for the coal slime in coal slime storage bin to be delivered in the mixer.
In another optional implementation, the dusty gas output end and dust collection of the three-phase separating device are filled
Connection is set, the dust collecting is used to remove the dust in the dusty gas of the three-phase separating device output.
In another optional implementation, in the throughput and jet velocity, mixer by adjusting high-speed flow
Conveying capacity, the air pressure operating condition of drier of coal slime, come to coal slime rate of drying and aridity be adjusted.
In another optional implementation, entire drying process carries out under normal temperature and pressure or negative pressure operating condition, is not required to
Want external heating equipment.
In another optional implementation, the drier is conical vessel, and arrival end is small, and outlet end is big.
In another optional implementation, the airflow injection device, paste pump, drier are close with mixer respectively
Close connection, and between drier and three-phase separating device, all airtight connection between three-phase separating device and dust collecting.
The beneficial effects of the utility model are:
1, the utility model is abolished contained by coal slime by carrying out impact using the coal slime in high-speed flow and mixer
Absorption of the moisture to coal slime particle, while increasing coal slime and extraneous contact area, coal slime rate of drying can be improved；Utilize height
Fast air-flow makes the temperature in drier is opposite to increase, and can drier still may be used under the premise of not reducing rate of drying
Realize that coal slime is dry with lower temperature, so as to reduce energy consumption, and drier realizes that coal slime is dry with lower temperature, can be with
Dust explosion occurs when thoroughly avoiding dry, to improve dry safety；The utility model using high-speed flow by also being increased
Air passage rates around big coal slime, so as to further increase coal slime rate of drying；In addition, the utility model is dry
Upgrading simple and effective；
2, the utility model is by setting coal slime storage bin and paste pump, can to the slime content being delivered in mixer into
Row is adjusted, so that the aridity to coal slime is adjusted；
3, the utility model, can be straight to avoid the dust generated in coal slime drying process by setting dust collecting
It connects and is emitted into atmosphere, so that coal slime drying process is more environmentally-friendly；
4, the utility model is adjusted by the air pressure operating condition to high-speed flow, coal slime, drier, can be to coal slime
Rate of drying and aridity are adjusted；
5, the utility model is by being designed to conical vessel for drier, can further enhance coal slime and high-speed flow it
Between collision effect, increase coal slime and extraneous contact area, and enhance the separating effect of coal slime and its contained humidity, realize
Rapid draing；
6, the utility model by make the airflow injection device, paste pump, drier respectively with mixer airtight connection,
And between drier and three-phase separating device, all airtight connections, Ke Yishi between three-phase separating device and dust collecting
It leaks in existing drying process without water clock and without dust.
Detailed description of the invention
Fig. 1 is a kind of one embodiment structural schematic diagram of low temperature jet flow atomization coal slime drying system of the utility model；
Fig. 2 is a kind of another example structure schematic diagram of low temperature jet flow atomization coal slime drying system of the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, and make this reality
Can be more obvious and easy to understand with the above objects, features, and advantages of new embodiment, with reference to the accompanying drawing to the utility model reality
Technical solution in example is applied to be described in further detail.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " connection " should be done extensively
Reason and good sense solution, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can be directly connected,
It can also understand as the case may be indirectly connected through an intermediary, for the ordinary skill in the art
The concrete meaning of above-mentioned term.
It is one embodiment structural representation that a kind of low temperature jet flow of the utility model is atomized coal slime drying system referring to Fig. 1
Figure.It may include sequentially connected high-speed flow generation device, mixer, drier that the low temperature jet flow, which is atomized coal slime drying system,
And three-phase separating device, the high-speed flow generation device spray the high-speed flow high speed of generation into the mixer, with
Coal slime in the mixer is mixed；The mixer does mixed high-speed flow and the injection of coal slime high speed to described
Dry device, the drier realize the quick separating of coal slime and its contained humidity under the action of high-speed flow under low-temperature condition,
And the moisture isolated is conveyed to the three-phase separating device together with coal slime and dusty gas；The three-phase separating device to point
Three phase separation is carried out from the dusty gas, liquid water and solid-state coal slime generated in the process, to realize the fast rapid-curing cutback of the low temperature of coal slime
It is dry.
In the present embodiment, high-speed flow is sprayed at a high speed to the mixer, is mixed with coal slime in mixer
Shi Huiyu coal slime generation impact is closed to abolish absorption of the coal slime contained humidity to coal slime particle so that coal slime is scattered, increase simultaneously
Big coal slime and extraneous contact area, the coal slime after scattering are ejected into drier at a high speed in company with high-speed flow.In drier
Interior high-speed flow and coal slime further occurrence are collided, so that coal slime is further increased with extraneous contact area.In addition, in high speed
Under the action of air-flow, the air pressure level in drier increases, so that the temperature in drier be made to increase, increases with identical speed
Energy needed for dry equivalent coal slime.Obvious the utility model energy consumption is lower, and since drier is with lower temperature
Dust explosion occurs when completing the drying of the identical speed of coal slime, therefore can thoroughly avoid dry, it is dry so as to improve coal slime
Dry safety.High-speed flow and the collision process of coal slime abolish coal slime contained humidity to the absorption of coal slime particle, coal slime
Increase with extraneous contact area, evaporation rate can be improved, to improve rate of drying, and high-speed flow increases coal slime week
The air passage rates enclosed, can be further improved rate of drying.After coal slime and its contained humidity are separated in drier,
Dusty gas, liquid water and solid-state coal slime are generated, and dusty gas, liquid water and solid-state coal slime are conveyed to three phase separation dress
It sets, three-phase separating device carries out three phase separation to dusty gas, liquid water and solid-state coal slime, to realize that the low temperature of coal slime is quick
It is dry.
As seen from the above-described embodiment, the utility model is touched by carrying out impact with the coal slime in mixer using high-speed flow
It hits, abolishes absorption of the coal slime contained humidity to coal slime particle, while increasing coal slime and extraneous contact area, coal slime can be improved
Rate of drying；Make the temperature in drier is opposite to increase using high-speed flow, drier can be made to increase with identical speed
Energy needed for dry equivalent coal slime realizes that coal slime is dry with lower temperature under the premise of not reducing rate of drying, so as to
Energy consumption is reduced, and drier realizes that coal slime is dry with lower temperature, and dust explosion occurs when can thoroughly avoid dry, thus
Improve dry safety；The utility model by also increasing the air passage rates around coal slime using high-speed flow, thus
It can be further improved coal slime rate of drying；In addition, the utility model drying and upgrading simple and effective.
Referring to fig. 2, another example structure signal of coal slime drying system is atomized for a kind of low temperature jet flow of the utility model
Figure.Fig. 2 and low temperature jet flow shown in Fig. 1 atomization coal slime drying system difference be, Fig. 2 high speed air flow-producing device include according to
The high-speed fan and airflow injection device of secondary connection, wherein for generating high-speed flow, airflow injection device is used for high-speed fan
By high-speed flow high speed injection into the mixer.The utility model further includes sequentially connected coal slime storage bin and lotion
Pump, the paste pump is for the coal slime in coal slime storage bin to be delivered in the mixer.The utility model passes through setting coal
Mud storage bin and paste pump can be adjusted the slime content being delivered in mixer, so that the aridity to coal slime carries out
It adjusts.In addition, the dusty gas output end of three-phase separating device described in the utility model is connect with dust collecting, it is described
Dust collecting is used to remove the dust in the dusty gas of the three-phase separating device output.The utility model passes through setting
Dust collecting can be vented directly in atmosphere, so that coal slime to avoid the dust generated in coal slime drying process
Drying process is more environmentally-friendly.It is adjusted for the aridity to coal slime and automation control is carried out to dry each device,
The utility model further include respectively with high-speed fan, airflow injection device, coal slime storage bin, paste pump, mixer, drier,
The control unit that three-phase separating device is connected with dust collecting, for controlling high-speed fan, airflow injection device, coal slime storage
Feed bin, paste pump, mixer, drier, three-phase separating device and dust collecting work.
The utility model passes through the conveying capacity of coal slime in the throughput and jet velocity, mixer that adjust high-speed flow, does
Air pressure operating condition, evaporating temperature and the evaporation time of dry device, come to coal slime rate of drying and aridity be adjusted.Control unit
It according to the aridity demand and rate of drying demand of coal slime, controls high-speed fan and exports the high-speed flow of corresponding throughput, and control
For airflow injection device processed by high-speed flow according in corresponding jet velocity high speed injection to mixer, mixer is close with drier
Envelope connection, thus mixer can inject directly to the two in drier after mixing high-speed flow with coal slime, drier is pressed
According to corresponding evaporating temperature and corresponding air pressure operating condition, separating treatment is carried out to coal slime and its contained humidity, when separating treatment reaches
When corresponding evaporation time, control unit controls drier and the dusty gas of generation, liquid water and solid-state coal slime is conveyed to three-phase
Separator carries out three phase separation to dusty gas, liquid water and solid-state coal slime by three-phase separating device, to obtain corresponding dry
The coal slime of dry degree.It wherein, can be by increasing high-speed flow when aridity requires to increase and/or rate of drying requirement accelerates
Throughput and/or jet velocity, can also by reduce mixer in coal slime conveying capacity, can also be by making at drier
In negative pressure operating condition and/or the evaporating temperature of increase drier, extend the evaporation time of drier.Compared under normal pressure operating condition, do
When dry device is in negative pressure operating condition, under the action of high-speed flow, raised temperature will be higher in drier, and the utility model can be with
It is adjusted by air pressure operating condition to drier and/or evaporating temperature, the practical temperature utilized of drier to be adjusted.
In above-described embodiment, it is sticky solid greater than 23% that coal slime can be the moisture content generated during coal preparation
Body waste.Entire drying process can carry out under normal temperature and pressure or negative pressure operating condition, do not need external heating equipment, reduce
Drying and upgrading cost, low temperature can control less than 60 DEG C, therefore safety coefficient is higher.After the utility model drying, coal
The moisture content of mud can drop to 10% hereinafter, and the utility model drying process amount is big, drying efficiency is high.In order to further
Enhance the collision effect between coal slime and high-speed flow, increases coal slime and extraneous contact area, and enhance coal slime and its institute
The separating effect of moisture content realizes that rapid evaporation is dry, and drier is designed to conical vessel, arrival end in the utility model
Small, outlet end is big.In addition, in order to realize without water clock in drying process and leak without dust, airflow injection device, is done paste pump
Dry device respectively with mixer airtight connection, and between drier and three-phase separating device, three-phase separating device and dust collection
All airtight connection between device.The utility model, which can according to need quickly to change by control unit, meets drying condition, adjusts
The quality standard of whole dry coal slime.The three-phase separating device can be three-phase cyclone separator.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical
Novel other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.The description and examples are only to be considered as illustrative, the utility model
True scope and spirit are indicated by the following claims.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (10)
1. a kind of low temperature jet flow is atomized coal slime drying system, which is characterized in that including sequentially connected high-speed flow generation device,
Mixer, drier and three-phase separating device, the high-speed flow generation device spray the high-speed flow high speed of generation to institute
It states in mixer, is mixed with the coal slime in the mixer；The mixer is high by mixed high-speed flow and coal slime
To the drier, the drier realizes coal slime and its contained under the action of high-speed flow under low-temperature condition for speed injection
The quick separating of moisture, and the moisture isolated is conveyed to the three-phase separating device together with coal slime and dusty gas；It is described
Three-phase separating device carries out three phase separation to the dusty gas, liquid water and solid-state coal slime generated in separation process, to realize
The low temperature rapid draing of coal slime.
2. a kind of low temperature jet flow according to claim 1 is atomized coal slime drying system, which is characterized in that in high-speed flow
Under effect, the air pressure level in the drier increases, so that the temperature in drier be made to increase, drier is under low-temperature condition
Quick separating is carried out to coal slime and its contained humidity.
3. a kind of low temperature jet flow according to claim 1 or 2 is atomized coal slime drying system, which is characterized in that the low temperature
Less than 60 DEG C, moisture content drops to 10% or less after coal slime is dry.
4. a kind of low temperature jet flow according to claim 1 is atomized coal slime drying system, which is characterized in that the high-speed flow
Generation device includes sequentially connected high-speed fan and airflow injection device, and wherein high-speed fan is for generating high-speed flow, gas
Flow jet device is used for high-speed flow high speed injection into the mixer.
5. a kind of low temperature jet flow according to claim 4 is atomized coal slime drying system, which is characterized in that further include successively connecting
The coal slime storage bin and paste pump connect, the paste pump is for the coal slime in coal slime storage bin to be delivered in the mixer.
6. a kind of low temperature jet flow according to claim 5 is atomized coal slime drying system, which is characterized in that the three phase separation
The dusty gas output end of device is connect with dust collecting, and the dust collecting is for removing the three phase separation dress
Set the dust in the dusty gas of output.
7. a kind of low temperature jet flow according to claim 1 is atomized coal slime drying system, which is characterized in that by adjusting high speed
Conveying capacity, the air pressure operating condition of drier of coal slime in the throughput and jet velocity of air-flow, mixer, to the dry speed of coal slime
Degree and aridity are adjusted.
8. a kind of low temperature jet flow according to claim 1 is atomized coal slime drying system, which is characterized in that entire drying process
It is carried out under normal temperature and pressure or negative pressure operating condition, does not need external heating equipment.
9. a kind of low temperature jet flow according to claim 1 is atomized coal slime drying system, which is characterized in that the drier is
Conical vessel, arrival end is small, and outlet end is big.
10. a kind of low temperature jet flow according to claim 6 is atomized coal slime drying system, which is characterized in that the air-flow spray
Injection device, paste pump, drier respectively with mixer airtight connection, and between drier and three-phase separating device, three-phase separate
From all airtight connection between device and dust collecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128031.5U CN208620745U (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature jet flow atomization coal slime drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128031.5U CN208620745U (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature jet flow atomization coal slime drying system |
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| Publication Number | Publication Date |
|---|---|
| CN208620745U true CN208620745U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821128031.5U Expired - Fee Related CN208620745U (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature jet flow atomization coal slime drying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679957A (en) * | 2018-07-17 | 2018-10-19 | 北京中矿环保科技股份有限公司 | A kind of low temperature jet flow atomization coal slime drying process and system |
-
2018
- 2018-07-17 CN CN201821128031.5U patent/CN208620745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679957A (en) * | 2018-07-17 | 2018-10-19 | 北京中矿环保科技股份有限公司 | A kind of low temperature jet flow atomization coal slime drying process and system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 100080 courtyard 1, No.10 caihefang Road, Haidian District, Beijing (room 706, 7 / F, Hanhai international building, Zhongguancun) Patentee after: Everbright Cleaning Technology Co.,Ltd. Address before: 100080 courtyard 1, No.10 caihefang Road, Haidian District, Beijing (room 706, 7 / F, Hanhai international building, Zhongguancun) Patentee before: BEIJING ZHONGKUANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| 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: 20190319 |