CN207659377U - A kind of hot semicoke cooling system - Google Patents
A kind of hot semicoke cooling system Download PDFInfo
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- CN207659377U CN207659377U CN201721538525.6U CN201721538525U CN207659377U CN 207659377 U CN207659377 U CN 207659377U CN 201721538525 U CN201721538525 U CN 201721538525U CN 207659377 U CN207659377 U CN 207659377U
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Abstract
The utility model is related to a kind of hot semicoke cooling systems.Hot semicoke carries out pyrolysis generation by pyrolysis oven to coal, and this system includes fused salt heat exchanging device；Fused salt heat exchanging device is equipped with the hot semicoke outlet of the hot semicoke entrance of level-one, level-one, level-one fused salt entrance and the outlet of level-one fused salt；The hot semicoke outlet of the hot semicoke inlet duct connection pyrolysis oven of level-one, hot semicoke enter fused salt heat exchanging device by the hot semicoke entrance of level-one；Fused salt is sent into fused salt heat exchanging device by level-one fused salt entrance；The temperature of fused salt is less than the temperature of hot semicoke, hot semicoke and fused salt heat exchange in fused salt heat exchanging device；Hot semicoke in fused salt heat exchanging device after heat exchange is utilized by the hot semicoke outlet discharge of level-one, and the fused salt in fused salt heat exchanging device after heat exchange is exported by level-one fused salt and is discharged.This system fully recycles the heat that pyrolysis of coal generates, and the cooling high warm semicoke of safety improves the recovery utilization rate of hot semicoke, realizes the high-efficiency cleaning conversion of coal, have important social benefit, economic benefit and environmental benefit.
Description
Technical field
The utility model generally relates to coal pyrolysis technical field, and in particular to a kind of hot semicoke cooling system.
Background technology
The pyrolysis of coal is one of the important channel that coal cleaning efficiently utilizes, and is coal under isolation air or inert atmosphere conditions
When continuous heating to higher temperature, a series of physical variation and chemical reaction of generation.The pyrolysis of coal be exactly can normal pressure, in it is low
Temperature, without under catalysts conditions from high volatile low-order coal extracting liq product, fine chemicals, high heating value gas.In
Low-temperature rapid thermal solution realizes that oil gas is extracted in pyrolysis of coal, extracts the hydrocarbon rich resource contained in coal to the maximum extent, realizes coal
The high-efficiency cleaning of resource converts, and has very important social benefit, economic benefit and environmental benefit.
Coal generates the product resources such as abundant pyrolysis oil, antipyretic air and heat semicoke after pyrolysis, at present after to pyrolysis of coal
Product recycling utilize, mainly use water as heat transferring medium the recycling of hot semicoke, equipment size is big, and investment is big, and
In heat transfer process, if cooling, medium --- water leaks, and can be chemically reacted with hot semicoke, generates toxic easy combustion gas
Body.
Therefore, it is necessary to propose a kind of cooling high warm semicoke of safety, the system being recycled to hot semicoke.
Utility model content
The purpose of this utility model is to provide a kind of hot semicoke cooling systems, can be to pyrolysis of coal process using this system
The heat of middle generation fully recycles, and can cool down high warm semicoke safely, improves the recovery utilization rate of hot semicoke, real
The high-efficiency cleaning conversion of existing coal resources, has important social benefit, economic benefit and environmental benefit.
The utility model provides a kind of hot semicoke cooling system, and the hot semicoke carries out pyrolysis production by pyrolysis oven to coal
It is raw, further include fused salt heat exchanging device；
The fused salt heat exchanging device is equipped with the hot semicoke outlet of the hot semicoke entrance of level-one, level-one, level-one fused salt entrance and level-one
Fused salt exports；The hot semicoke inlet duct of level-one connects the hot semicoke outlet of the pyrolysis oven, and the hot semicoke is by described one
The hot semicoke entrance of grade enters the fused salt heat exchanging device；
Fused salt is sent into the fused salt heat exchanging device by the level-one fused salt entrance；The temperature of the fused salt is less than the heat
The temperature of semicoke, the hot semicoke and fused salt heat exchange in the fused salt heat exchanging device；
Hot semicoke in the fused salt heat exchanging device after heat exchange is utilized by the hot semicoke outlet discharge of the level-one, in institute
It states the fused salt in fused salt heat exchanging device after heat exchange and discharge is exported by the level-one fused salt.
Further, the fused salt heat exchanging device is plate heat exchanger.
Further, further include water cooling heat exchanger,
The water cooling heat exchanger goes out equipped with the hot semicoke entrance of two level, the hot semicoke outlet of two level, level-one water inlet, level-one water
Mouthful；
The hot semicoke inlet duct of two level connects the hot semicoke outlet of the level-one；By the hot semicoke outlet discharge of the level-one
Hot semicoke through the hot semicoke entrance of the two level enter the water cooling heat exchanger；
From the level-one water inlet water is passed through to the water cooling heat exchanger；Temperature into the water of the water cooling heat exchanger is low
In the temperature of the hot semicoke of the entrance water cooling heat exchanger, into water and the entrance water cooling heat exchanger of the water cooling heat exchanger
The heat exchange in the water cooling heat exchanger of hot semicoke；
Hot semicoke in the water cooling heat exchanger after heat exchange is utilized by the hot semicoke outlet discharge of the two level；Described
Water in water cooling heat exchanger after heat exchange is discharged by the level-one water out.
Further, further include steam generator,
The steam generator is equipped with two level fused salt entrance, the outlet of two level fused salt, two level water inlet, two level water out；
The two level fused salt inlet duct connects the level-one fused salt outlet, by the fused salt of level-one fused salt outlet discharge
Enter the steam generator through the two level fused salt entrance；The two level water inlet pipeline connects the level-one water out, by
The water of the level-one water out discharge enters the steam generator through the two level water inlet；Into the steam generator
The temperature of water is less than the temperature for the fused salt for entering the steam generator, described in the fused salt of the steam generator and entrance
The heat exchange in the steam generator of the water of steam generator；
Fused salt in the steam generator after heat exchange is exported by the two level fused salt to be discharged；In the steam generation
Water in device after heat exchange is discharged by the two level water out.
Further, further include fused salt storage tank, the fused salt storage tank connects the level-one fused salt entrance by pipeline, described
Fused salt storage tank is for storing fused salt；
The pipeline is equipped with pump for liquid salts, and the pump for liquid salts send the fused salt in the fused salt storage tank to the fused salt heat exchanging
Device.
Further, the fused salt storage tank is equipped with fused salt storage tank fused salt entrance and fused salt storage tank fused salt exports；
The fused salt storage tank fused salt inlet duct connects the two level fused salt outlet, by two level fused salt outlet discharge
Fused salt is sent into the fused salt storage tank through the fused salt storage tank fused salt entrance；The fused salt storage tank fused salt outlet connects institute by pipeline
State level-one fused salt entrance.
Using the hot semicoke cooling system of the utility model profit can be fully recycled to the heat generated during pyrolysis of coal
With, and high warm semicoke can be cooled down safely, the recovery utilization rate of hot semicoke is improved, realizes that the high-efficiency cleaning of coal resources turns
Change, there is important social benefit, economic benefit and environmental benefit.
Description of the drawings
Fig. 1 is the hot semicoke cooling system schematic diagram of the utility model.
Reference sign：
10- pyrolysis ovens；
101- radiant tubes；
20- fused salt heat exchanging devices；
30- water cooling heat exchangers；
40- steam generators；
50- fused salt storage tanks；
60- pump for liquid salts.
Specific implementation mode
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when the embodiment of the utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than limitations of the present invention.
The hot semicoke cooling system of the utility model, as shown in Figure 1, hot semicoke carries out pyrolysis production by pyrolysis oven 10 to coal
It is raw.The cooling system of the utility model cools down the hot semicoke generated in pyrolysis oven 10 using fused salt heat exchanging device 20.
It is molten that fused salt heat exchanging device 20 is equipped with the hot semicoke outlet of the hot semicoke entrance of level-one, level-one, level-one fused salt entrance and level-one
Salt exports；The hot semicoke outlet of the hot semicoke inlet duct connection pyrolysis oven 10 of level-one, hot semicoke are entered by the hot semicoke entrance of level-one
Fused salt heat exchanging device 20.Fused salt is sent into fused salt heat exchanging device 20 by level-one fused salt entrance.The temperature of fused salt is less than hot semicoke
Temperature, hot semicoke carry out heat exchange with fused salt in fused salt heat exchanging device 20.Heat in fused salt heat exchanging device 20 after heat exchange
Semicoke is utilized by the hot semicoke outlet discharge of level-one, and the fused salt in fused salt heat exchanging device 20 after heat exchange is exported by level-one fused salt and arranged
Go out.
Plate heat exchanger, pipe heat exchanger or plate heat exchanger and pipe heat exchanger may be used in fused salt heat exchanging device 20
The two is used in combination.Nitrates, carbonate, chlorination salt or fluorination salt etc. may be used in fused salt type, passes through regulation and control
Into the type and quantity of the fused salt in fused salt heat exchanging device 20, it can be controlled, be obtained with the hot semicoke temperature after heat exchanging
Need the hot semicoke of temperature.
Either plate heat exchanger is used still to use pipe heat exchanger as fused salt heat exchanging device 20, equipment shape
The appearance and size of heat transmission equipment of the size than using water as heat transferring medium is small, and floor space is equally also small, and heat exchange efficiency is high,
The expense for investing operation is low.
The hot semicoke cooling system of the utility model further includes having water cooling heat exchanger 30, steam generator 40, fused salt storage tank
50, pump for liquid salts 60.
Water cooling heat exchanger 30 is equipped with the hot semicoke outlet of the hot semicoke entrance of two level, two level, level-one water inlet and level-one water out.
The hot semicoke outlet of the hot semicoke inlet duct connection level-one of two level；By the hot semicoke 701 of the hot semicoke outlet discharge of level-one through two level heat
Semicoke entrance enters water cooling heat exchanger 30.It is passed through water from level-one water inlet to water cooling heat exchanger 30, into water cooling heat exchanger 30
The temperature of water is less than the temperature into the hot semicoke of water cooling heat exchanger 30.Water into water cooling heat exchanger 30 exchanges heat with water cooling is entered
The hot semicoke of device 30 completes heat exchange in water cooling heat exchanger 30.Hot semicoke in water cooling heat exchanger 30 after heat exchange is by two level
Hot semicoke outlet discharge utilizes；Water in water cooling heat exchanger 30 after heat exchange is discharged by level-one water out.It is exchanged heat by water cooling
Device 30 further cools down hot semicoke, improves the recovery utilization rate of hot semicoke.
Steam generator 40 in the utility model be equipped with two level fused salt entrance, the outlet of two level fused salt, two level water inlet and
Two level water out.Two level fused salt inlet duct connects the outlet of level-one fused salt, is melted through two level by the fused salt of level-one fused salt outlet discharge
Salt entrance enters steam generator 40.Two level water inlet pipeline connects level-one water out, and the water being discharged by level-one water out is through two
Grade water inlet enters steam generator 40, and the temperature into the water of steam generator 40 is less than the fused salt into steam generator 40
Temperature.Fused salt into steam generator 40 and water heat exchange in steam generator 40 into steam generator 40.Heat
After exchange, temperature of molten salt reduces, and is exported and is discharged by two level fused salt；Water after heat exchange is discharged by the two level water out.
Fused salt storage tank 50 is equipped with fused salt storage tank fused salt entrance and fused salt storage tank fused salt exports.Fused salt storage tank fused salt inlet duct
The outlet of two level fused salt is connected, fused salt storage tank 50 is sent into through fused salt storage tank fused salt entrance by the fused salt of two level fused salt outlet discharge, melts
Salt storage tank 50 is for storing the fused salt after cooling down.The outlet of fused salt storage tank fused salt connects level-one fused salt entrance by pipeline,
This connecting pipe is equipped with pump for liquid salts 60, the fused salt that the fused salt stored in fused salt storage tank 50 is pumped under the action of pump for liquid salts 60
Heat-exchanger rig 20.
In a specific embodiment of the utility model, by grain size after drying in 10mm coal dusts below through screw conveyor
It is sent into pyrolysis oven 10, is pyrolyzed, radiant tube 101 is provided in pyrolysis oven 10, being passed through fuel in radiant tube 101 is fired
It burns, heat is provided for pulverized coal pyrolysis.Pyrolysis generates hot semicoke (650 DEG C -900 DEG C).Hot semicoke (650 DEG C -900 DEG C) passes through pyrolysis
The hot semicoke outlet discharge of stove 10 carries out fused salt heat exchanging device 20 through the hot semicoke entrance of level-one on fused salt heat exchanging device 20.Together
When from level-one fused salt entrance be passed through fused salt into fused salt heat exchanging device 20, the temperature of fused salt, which is less than, to be entered in fused salt heat exchanging device 20
Hot semicoke temperature, hot semicoke (650 DEG C -900 DEG C) and fused salt exchange heats cooling in fused salt heat exchanging device 20, hot after heat exchange
The temperature of semicoke (650 DEG C -900 DEG C) is reduced to 150 DEG C -350 DEG C, then by the hot semicoke outlet discharge of level-one.
(150 DEG C -350 DEG C) of hot semicoke is discharged by the hot semicoke outlet of level-one and enters water cooling heat exchanger 30, in water cooling heat exchanger
It exchanges heat with water in 30, further cools down, later by the hot semicoke outlet discharge of two level, storage utilizes.
Coal dust pyrolysis in pyrolysis oven 10 also has pyrolysis gas, what pyrolysis gas needed when can be pyrolyzed as pyrolysis oven 10
Fuel source, therefore, the pyrolysis gas that partial thermal decomposition generates are directly entered radiant tube 101 and burn as fuel, and burning generates
Flue gas be discharged by exhaust gases passes.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And it does not limit the embodiments.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among changes and variations that derived from are still in the scope of protection of the utility model.
Claims (6)
1. a kind of hot semicoke cooling system, the hot semicoke carry out pyrolysis generation by pyrolysis oven to coal, which is characterized in that further include
Fused salt heat exchanging device；
The fused salt heat exchanging device is equipped with the hot semicoke outlet of the hot semicoke entrance of level-one, level-one, level-one fused salt entrance and level-one fused salt
Outlet；The hot semicoke inlet duct of level-one connects the hot semicoke outlet of the pyrolysis oven, and the hot semicoke is by level-one warm
Semicoke entrance enters the fused salt heat exchanging device；
Fused salt is sent into the fused salt heat exchanging device by the level-one fused salt entrance；The temperature of the fused salt is less than the hot semicoke
Temperature, the hot semicoke and fused salt heat exchange in the fused salt heat exchanging device；
Hot semicoke in the fused salt heat exchanging device after heat exchange is utilized by the hot semicoke outlet discharge of the level-one, described molten
Fused salt in salt heat-exchanger rig after heat exchange is exported by the level-one fused salt to be discharged.
2. hot semicoke cooling system according to claim 1, which is characterized in that the fused salt heat exchanging device is plate-type heat-exchange
Device.
3. hot semicoke cooling system according to claim 1, which is characterized in that further include water cooling heat exchanger,
The water cooling heat exchanger is equipped with the hot semicoke entrance of two level, the hot semicoke outlet of two level, level-one water inlet, level-one water out；
The hot semicoke inlet duct of two level connects the hot semicoke outlet of the level-one；By the heat of the hot semicoke outlet discharge of the level-one
Semicoke enters the water cooling heat exchanger through the hot semicoke entrance of the two level；
From the level-one water inlet water is passed through to the water cooling heat exchanger；Into the water cooling heat exchanger water temperature be less than into
The temperature for entering the hot semicoke of the water cooling heat exchanger, the water into the water cooling heat exchanger and the heat into the water cooling heat exchanger
Semicoke heat exchange in the water cooling heat exchanger；
Hot semicoke in the water cooling heat exchanger after heat exchange is utilized by the hot semicoke outlet discharge of the two level；In the water cooling
Water in heat exchanger after heat exchange is discharged by the level-one water out.
4. hot semicoke cooling system according to claim 3, which is characterized in that further include steam generator,
The steam generator is equipped with two level fused salt entrance, the outlet of two level fused salt, two level water inlet, two level water out；
The two level fused salt inlet duct connects the level-one fused salt outlet, by the fused salt of level-one fused salt outlet discharge through institute
It states two level fused salt entrance and enters the steam generator；The two level water inlet pipeline connects the level-one water out, by described
The water of level-one water out discharge enters the steam generator through the two level water inlet；Into the water of the steam generator
Temperature is less than the temperature of the fused salt of the entrance steam generator, into fused salt and the entrance steam of the steam generator
The heat exchange in the steam generator of the water of generator；
Fused salt in the steam generator after heat exchange is exported by the two level fused salt to be discharged；In the steam generator
Water after heat exchange is discharged by the two level water out.
5. hot semicoke cooling system according to claim 4, which is characterized in that further include fused salt storage tank, the fused salt storage
Tank connects the level-one fused salt entrance by pipeline, and the fused salt storage tank is for storing fused salt；
The pipeline is equipped with pump for liquid salts, and the fused salt in the fused salt storage tank is sent to the fused salt heat exchanging and filled by the pump for liquid salts
It sets.
6. hot semicoke cooling system according to claim 5, which is characterized in that the fused salt storage tank is molten equipped with fused salt storage tank
Salt entrance and the outlet of fused salt storage tank fused salt；
The fused salt storage tank fused salt inlet duct connects the two level fused salt outlet, by the fused salt of two level fused salt outlet discharge
It is sent into the fused salt storage tank through the fused salt storage tank fused salt entrance；The fused salt storage tank fused salt outlet connects described one by pipeline
Grade fused salt entrance.
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| CN201721538525.6U CN207659377U (en) | 2017-11-16 | 2017-11-16 | A kind of hot semicoke cooling system |
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| CN201721538525.6U CN207659377U (en) | 2017-11-16 | 2017-11-16 | A kind of hot semicoke cooling system |
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| CN207659377U true CN207659377U (en) | 2018-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858154A (en) * | 2017-11-16 | 2018-03-30 | 北京神雾电力科技有限公司 | Hot semicoke cooling system and the method that hot semicoke is handled using this system |
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2017
- 2017-11-16 CN CN201721538525.6U patent/CN207659377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858154A (en) * | 2017-11-16 | 2018-03-30 | 北京神雾电力科技有限公司 | Hot semicoke cooling system and the method that hot semicoke is handled using this system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: 102209 226, 2nd floor, building 71, 30 Litang Road, Changping District, Beijing Patentee after: Beijing Hengfeng Yaye Technology Development Co., Ltd Address before: 102200 Beijing city Changping District Machi Town kamis Road No. 18 building 201 room 2 Patentee before: BEIJING SHENWU POWER TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |