CN109489468A - A kind of Other heat exchange devices and its control method of online addition powder - Google Patents
A kind of Other heat exchange devices and its control method of online addition powder Download PDFInfo
- Publication number
- CN109489468A CN109489468A CN201811535951.3A CN201811535951A CN109489468A CN 109489468 A CN109489468 A CN 109489468A CN 201811535951 A CN201811535951 A CN 201811535951A CN 109489468 A CN109489468 A CN 109489468A
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- Prior art keywords
- solid
- heat exchanger
- heat
- heat exchange
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/006—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for regenerative heat-exchange apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The present invention discloses the Other heat exchange devices and its control method of a kind of online addition powder, heat-exchanger rig passes through solid holding vessel, solid sending cans and transmitter are by gas source transportation system, heat transfer medium of the solid as heat exchanger of certain altitude is filled in heat exchanger shell pass, heat exchange equipment is furnished with gas source transportation system simultaneously, solid can be added online, reinforcing body additional amount can be determined according to actual condition, heat exchanger passes through pressure differential detection material position, it determines that amount of solid adjustment heat exchange area is added also by the heat exchange amount of itself, meet the changeable of process conditions, it being capable of sensible heat after high efficiente callback coal gasification；Solid is filled in heat exchanger as a heat transfer medium, avoid ash content felt jam heat exchanger tube and the corrosion in synthesis gas, solid can guarantee quickly as heat carrier and uniformly exchange heat and avoid heat exchanger tube free wxpansion caused by high temperature difference, enable Exposure degree equipment or system long period, efficient stable operation in gasification system, realizes the maximization of productivity effect.
Description
Technical field
The invention belongs to field of energy and chemical technology, in particular to a kind of Other heat exchange devices of online addition powder.
Background technique
The development of clean coal chemical technology has become the only way of Modern Coal-based Chemical technology development pattern, predominantly solves
Certainly coal pollutes the problem of low, high efficiency and economy during trans-utilization.Damage in Coal Gasification Technology to reduce the energy
It loses, sensible heat high efficiente callback is also one of the key technology that clean coal technology is broken through, and technique is also all numerous skills all the time
Art researcher captures technology emphasis.
The main mode of Exposure degree is mainly two kinds in Coal Gasification Technology: full Exposure degree type and water Quench type pass through
Domestic and international Exposure degree technical experience shows full Exposure degree type compared to the water Quench type energy using high, quality is high.Current
In the Exposure degree technique of relative maturity, the recycling of waste heat mostly uses wall-type heat exchange, that is, the processing medium to exchange heat is set with heat exchange
Standby or heat exchanger components directly contact, such as the full sensible heat type recovery process of Texaco and Shell gasification installation.
But there are the easy fouling and slagging of heat exchanger, heat exchange pipe abrasion, heat exchanger tube corrosion etc. to seriously affect for macrocyclic operation
The factor that device production operates normally.And most of cement sensible heat recovery systems are that radiant boiler is changed with convection boiler collective effect
For heat to recycle heat, such as Texaco and Shell gasification installation to the greatest extent, such technological design increases into the cost of production
Investment.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of gases of online addition powder
Heat-exchanger rig can guarantee a certain amount of solid level of heat-exchanger rig, the sensible heat after high efficiente callback coal gasification, while improve existing
Slagging, abrasion existing for equipment, corrosion and production cost put into high problem.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of Other heat exchange devices of online addition powder, including solid holding vessel, solid sending cans, transmitter, steam
Distributing system, heat exchanger and gas source transportation system；Solid holding vessel, solid sending cans, transmitter are sequentially connected, transmitter outlet
It is connected with heat exchanger shell pass, heat exchanger tube pass pipeline is connected with steam terminal apparatus, heat exchanger tube pass lower entrances and gas
Change system gas outlet to be connected, heat exchanger tube pass upper outlet is connected with dust pelletizing system, heat exchanger tube pass bottom setting peace
Equipped with the discharging pipeline with discharge valve；The import of the transmitter passes through the conveying gas pipeline for being equipped with conveying air valve and gas source is defeated
System is sent to be connected.
It is connected between solid holding vessel top and solid sending cans top by being provided with the blowdown line of relief valve.
Solid holding vessel lower end is connected by being equipped with the loosening gas pipeline of loosening air valve with gas source transportation system；
Solid sending cans upper end is connected by being equipped with the pressurising pipeline of equalizer valve with gas source transportation system, and solid sending cans lower end is logical
It crosses and the pressure stabilizing pipeline of pressure maintaining valve is installed is connected with gas source transportation system.
The solid holding vessel lower part outlet is connected by blanking pipeline with solid sending cans entrance, is set on blanking pipeline
It is equipped with blanking gate valve and blanking wear resistance ball valve.
Setting discharging abrading-ball valve in the solid sending cans and transmitter connecting pipeline；The outlet of transmitter is by being equipped with
The pipeline of charging wear resistance ball valve is connected with heat exchanger shell pass.
The heat exchanger is equipped with material-level measure instrument, and controlling level detector is equipped in solid sending cans.
Compared with prior art, the beneficial effects of the present invention are:
The Other heat exchange devices that the present invention adds powder online include solid holding vessel, solid sending cans, transmitter, steam
Distributing system and heat exchanger, by solid holding vessel, solid sending cans and transmitter by gas source transportation system, in heat exchanger shell
Fill heat transfer medium of the solid as heat exchanger of certain altitude in journey, while heat exchange equipment is furnished with gas source transportation system, it can be with
Online addition solid can determine reinforcing body additional amount according to actual condition, and heat exchanger is by pressure differential detection material position, also by certainly
The heat exchange amount of body adjusts heat exchange area to determine to be added amount of solid, meets the changeable of process conditions, being capable of high efficiente callback coal gasification
Sensible heat afterwards.
Solid is filled in heat exchanger as a heat transfer medium, crude synthesis gas, which enters heat exchanger and contacts first with solid dielectric, to be changed
Part tar, the ash content that may be carried in synthesis gas can be washed away, while eliminate alkali metal in synthesis gas and exchanging heat by heat
The attachment of device tube wall, avoids ash content felt jam heat exchanger tube and the corrosion in synthesis gas, ensure that heat exchanger is suitable for for a long time
High temperature coal ash washes away；Solid can guarantee quick and uniform heat exchange as heat carrier and avoid heat exchanger tube caused by high temperature difference simultaneously
Free wxpansion, enables Exposure degree equipment or system long period, efficient stable operation in gasification system, realizes production
The maximization of benefit.
The Other heat exchange devices of the online addition powder of apparatus of the present invention meet being total to for radiant boiler and convection boiler simultaneously
Same effect can significantly save the investment of heat exchange equipment, good economy performance.
Further, heat exchanger tube pass is connected with the solid cold medium of heat exchange, and cold medium tube side pipeline is directly in bulk with steam collection
It sets and is connected, heat exchanger heat exchange amount can be adjusted by the pressure of the flow or steam terminal apparatus that adjust cold medium tube side, changed
Thermal effect is more preferably.
Detailed description of the invention
Fig. 1 is the overall structure diagram of apparatus of the present invention
In figure: 1, solid holding vessel；2, solid sending cans；3, blanking gate valve；4, blanking wear resistance ball valve；5, relief valve；
6, gas source transportation system；7, air valve is loosened；8, equalizer valve；9, pressure maintaining valve；10, discharge wear resistance ball valve；11, transmitter；12, it feeds
Wear resistance ball valve；13, steam distributing system；14, heat exchanger；15, air valve is conveyed；16, gasification system；17, dust pelletizing system；18, it unloads
Expect valve.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
As shown in Figure 1, the Other heat exchange devices of online addition powder of the invention, including solid feeding system, pressurization are given
Material system, air-transport system and cooling system mainly include solid holding vessel 1, solid sending cans 2, transmitter 11, steam
Distributing system 13, heat exchanger 14, gas source transportation system 6 and related pipeline and control valve.
Solid holding vessel 1 is atmospheric pressure device, and 1 lower part outlet of solid holding vessel is entered by blanking pipeline with solid sending cans 2
Mouth is connected, and is disposed with blanking gate valve 3 and blanking wear resistance ball valve 4 on 1 blanking pipeline of solid holding vessel；Solid sending cans
2 is hand over potential device, and the outlet of solid sending cans 2 is connect with the import of transmitter 11, and solid sending cans 2 are connected to transmitter 11
Setting discharging abrading-ball valve 10 on pipeline, the outlet of transmitter 11 feed the pipeline and heat exchanger 14 of wear resistance ball valve 12 by being equipped with
Shell side is connected；14 tube side pipeline of heat exchanger is connected with steam terminal apparatus 13,14 tube side lower entrances of heat exchanger and gasification
16 gas vent of system is connected, and 14 tube side upper outlet of heat exchanger is connected with dust pelletizing system 17,14 tube side bottom of heat exchanger
Setting is equipped with 18 discharging pipeline of discharge valve.
1 lower end of solid holding vessel is connected by being equipped with the loosening gas pipeline of loosening air valve 7 with gas source transportation system 6；
Solid sending cans 2 are also connected by being equipped with the pressurising pipeline of equalizer valve 8 with gas source transportation system 6, solid holding vessel 1 and solid
It is connected between body sending cans 2 by being provided with the blowdown line of relief valve 5,2 lower end of solid sending cans is by being equipped with pressure maintaining valve 9
Pressure stabilizing pipeline be connected with gas source transportation system 6, the import of transmitter 11 passes through the conveying tracheae for being equipped with conveying air valve 15
Line is connected with gas source transportation system 6.The gas source of gas source transportation system 6 is nitrogen, one kind of carbon dioxide or mixture.
Then thermal medium enters from 14 shell side bottom of heat exchanger enters back into dust pelletizing system 17 from shell side top.
The complete operation of the present apparatus is as follows:
Powder is spare in solid holding vessel 1, when needing, opens blanking gate valve 3 and blanking wear resistance ball valve 4, is sent into solid
The pressure of body sending cans 2, solid holding vessel 1 and solid sending cans 2 is balanced by relief valve 5, when the material position in sending cans 2 reaches
After it is required that, relief valve 5 where gate valve 3 and blanking wear resistance ball valve 4 and blowdown line is closed.Discharging wear resistance ball valve is opened again
10, powder is sent into transmitter 11 by solid sending cans 2.
When powder is heaped in solid holding vessel 1, openable loosening air valve 7 is handled using gas source transportation system 6, gas source
Transportation system 6 can also be adjusted pressure in solid sending cans 2 by equalizer valve 8 and pressure maintaining valve 9 according to actual condition.
Next, conveying air valve 15 and charging wear resistance ball valve 12 are opened, by gas source transportation system 6, in heat exchanger 14
The powder of certain altitude is filled in shell side as a heat transfer medium, gas source transportation system 6 allows to add powder online, and according to
Actual condition adds powder additional amount to determine, heat exchanger 14 is determined by pressure differential detection material position also by the heat exchange amount of itself
Powder amount is added and adjusts heat exchange area, meets the changeable of process conditions, it being capable of sensible heat after high efficiente callback coal gasification.
Later, crude synthesis gas enters 14 tube side lower entrances of heat exchanger by gasification system 16, contacts first with solid dielectric
Part tar, the ash content that may be carried in crude synthesis gas can be washed away, while eliminate alkali metal in crude synthesis gas by heat exchange
In the attachment of exchanger tube wall, ash content felt jam heat exchanger tube and the corrosion in crude synthesis gas are avoided, ensure that heat exchanger 14 can
It adapts to prolonged high temperature coal ash to wash away, the synthesis gas for completing heat exchange enters dust pelletizing system 17 from 14 tube side upper outlet of heat exchanger
It is dusted, and the solid after heat exchange can be discharged by discharge valve 18.Solid also ensures quick and uniform as heat carrier
It exchanges heat and avoids heat exchanger tube free wxpansion caused by high temperature difference, Exposure degree equipment or system in gasification system are grown
Period, efficient stable operation, realize the maximization of productivity effect.
Further, the tube side of heat exchanger 14 is connected with the solid cold medium of heat exchange, cold medium tube side pipeline directly with steam collection
It is in bulk to set 13 and be connected, heat exchanger 14 can be adjusted by the pressure of the flow or steam terminal apparatus 13 that adjust cold medium tube side
Heat exchange amount, heat transfer effect is more preferably.
Claims (7)
1. a kind of Other heat exchange devices of online addition powder, which is characterized in that including solid holding vessel (1), solid sending cans
(2), transmitter (11), steam distributing system (13), heat exchanger (14) and gas source transportation system (6)；Solid holding vessel (1) is consolidated
Body sending cans (2), transmitter (11) are sequentially connected, and transmitter (11) outlet is connected with heat exchanger (14) shell side, heat exchanger
(14) tube side pipeline is connected with steam terminal apparatus (13), heat exchanger (14) tube side lower entrances and gasification system (16) gas
Outlet is connected, and heat exchanger (14) tube side upper outlet is connected with dust pelletizing system (17), the setting of heat exchanger (14) tube side bottom
It is provided with the discharging pipeline of discharge valve (18)；The import of the transmitter (11) passes through the conveying for being equipped with conveying air valve (15)
Gas pipeline is connected with gas source transportation system (6).
2. adding the Other heat exchange devices of powder online according to claim 1, which is characterized in that the solid holding vessel
(1) it is connected between top and solid sending cans (2) top by being provided with the blowdown line of relief valve (5).
3. adding the Other heat exchange devices of powder online according to claim 1, which is characterized in that the solid holding vessel
(1) lower end is connected by being equipped with the loosening gas pipeline of loosening air valve (7) with gas source transportation system (6)；Solid sending cans (2)
Upper end is connected by being equipped with the pressurising pipeline of equalizer valve (8) with gas source transportation system (6), and solid sending cans (2) lower end is logical
It crosses and the pressure stabilizing pipeline of pressure maintaining valve (9) is installed is connected with gas source transportation system (6).
4. adding the Other heat exchange devices of powder online according to claim 1, which is characterized in that the solid holding vessel
(1) lower part outlet is connected by blanking pipeline with solid sending cans (2) entrance, and blanking gate valve is provided on blanking pipeline
(3) and blanking wear resistance ball valve (4).
5. adding the Other heat exchange devices of powder online according to claim 1, which is characterized in that the solid sending cans
(2) abrading-ball valve (10) are discharged with setting on transmitter (11) connecting pipeline；The outlet of transmitter (11) is resistance to by being equipped with charging
The pipeline of abrading-ball valve (12) is connected with heat exchanger (14) shell side.
6. adding the Other heat exchange devices of powder online according to claim 1, which is characterized in that the heat exchanger
(14) material-level measure instrument is installed, solid sending cans are equipped with controlling level detector on (2).
7. the control method of the Other heat exchange devices of powder is added described in a kind of claim 1 online, which is characterized in that
Blanking gate valve (3) and blanking wear resistance ball valve (4) are opened, powder is sent into solid sending cans (2) by solid holding vessel (1),
The pressure of solid holding vessel (1) and solid sending cans (2) is balanced by relief valve (5)；
After the material position in solid sending cans (2) reaches requirement, close blanking gate valve (3) and blanking wear resistance ball valve (4) and
Relief valve (5), then discharging wear resistance ball valve (10) is opened, powder is sent into transmitter (11) by solid sending cans (2).
Open conveying air valve (15) and charging wear resistance ball valve (12), the shell side by gas source transportation system (6), in heat exchanger (14)
Inside fill the powder of certain altitude as a heat transfer medium；
Crude synthesis gas by gasification system (16) enter heat exchanger (14) tube side lower entrances, first with solid dielectric contact heat-exchanging,
Part tar, the ash content that may carry in crude synthesis gas are washed away, while eliminating in crude synthesis gas alkali metal in heat exchanger
The attachment of tube wall avoids ash content felt jam heat exchanger tube and corrosion in crude synthesis gas, when ensure that heat exchanger (14) adapt to long
Between high temperature coal ash wash away, complete heat exchange synthesis gas from heat exchanger (14) tube side upper outlet enter dust pelletizing system (17) carry out
Dedusting, and pass through the solid after discharge valve (18) discharge heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535951.3A CN109489468A (en) | 2018-12-15 | 2018-12-15 | A kind of Other heat exchange devices and its control method of online addition powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535951.3A CN109489468A (en) | 2018-12-15 | 2018-12-15 | A kind of Other heat exchange devices and its control method of online addition powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109489468A true CN109489468A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535951.3A Pending CN109489468A (en) | 2018-12-15 | 2018-12-15 | A kind of Other heat exchange devices and its control method of online addition powder |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080216406A1 (en) * | 2007-02-14 | 2008-09-11 | Xin Wang | Method of gasification burner online feeding |
| CN103172287A (en) * | 2011-12-22 | 2013-06-26 | 张�诚 | Semidry desulfurization product oxidized in fluidized bed through utilizing solid thermal carriers as initial heat source |
| CN203222576U (en) * | 2013-03-08 | 2013-10-02 | 内蒙古大唐国际克什克腾煤制天然气有限责任公司 | Heat exchange equipment for carbonic oxide (CO) conversion |
| CN203530261U (en) * | 2013-09-24 | 2014-04-09 | 山西省国新能源发展集团有限公司 | Device for separating out byproduct tar residue of natural gas prepared from coal |
| CN104401736A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system |
| CN105347040A (en) * | 2015-12-01 | 2016-02-24 | 东南大学 | Pressure feed type high-pressure dense-phase pneumatic conveying device and pneumatic conveying method |
| CN205616245U (en) * | 2016-04-20 | 2016-10-05 | 陕西延长石油（集团）有限责任公司 | Rotatory feed formula fine coal ration feeding conveyor |
| CN209310593U (en) * | 2018-12-15 | 2019-08-27 | 陕西延长石油（集团）有限责任公司 | A kind of Other heat exchange devices of online addition powder |
-
2018
- 2018-12-15 CN CN201811535951.3A patent/CN109489468A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080216406A1 (en) * | 2007-02-14 | 2008-09-11 | Xin Wang | Method of gasification burner online feeding |
| CN103172287A (en) * | 2011-12-22 | 2013-06-26 | 张�诚 | Semidry desulfurization product oxidized in fluidized bed through utilizing solid thermal carriers as initial heat source |
| CN203222576U (en) * | 2013-03-08 | 2013-10-02 | 内蒙古大唐国际克什克腾煤制天然气有限责任公司 | Heat exchange equipment for carbonic oxide (CO) conversion |
| CN203530261U (en) * | 2013-09-24 | 2014-04-09 | 山西省国新能源发展集团有限公司 | Device for separating out byproduct tar residue of natural gas prepared from coal |
| CN104401736A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system |
| CN105347040A (en) * | 2015-12-01 | 2016-02-24 | 东南大学 | Pressure feed type high-pressure dense-phase pneumatic conveying device and pneumatic conveying method |
| CN205616245U (en) * | 2016-04-20 | 2016-10-05 | 陕西延长石油（集团）有限责任公司 | Rotatory feed formula fine coal ration feeding conveyor |
| CN209310593U (en) * | 2018-12-15 | 2019-08-27 | 陕西延长石油（集团）有限责任公司 | A kind of Other heat exchange devices of online addition powder |
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