CN110205145A - A kind of wet process coke pressure quenching energy recovery system and method - Google Patents
A kind of wet process coke pressure quenching energy recovery system and method Download PDFInfo
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- CN110205145A CN110205145A CN201810359715.4A CN201810359715A CN110205145A CN 110205145 A CN110205145 A CN 110205145A CN 201810359715 A CN201810359715 A CN 201810359715A CN 110205145 A CN110205145 A CN 110205145A
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- quenching
- coke
- heat
- water
- gas
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- 238000010791 quenching Methods 0.000 title claims abstract description 120
- 230000000171 quenching effect Effects 0.000 title claims abstract description 120
- 239000000571 coke Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000003034 coal gas Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/04—Wet quenching
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention belongs to wet process coke pressure quenching technical field, it is related to a kind of wet process coke pressure quenching energy recovery system and method, it is characterized in that: including at least: quenching unit, vapor condensing heat-exchange unit and coke quenching water heat exchange unit；Quenching unit is used for: being extinguished red heat coke, is generated the mixed gas of heat, vapor and coal gas；Vapor condensing heat-exchange unit is used for: separation vapor and coal gas, heat is transmitted to heat user, export coal gas recycles；Coke quenching water heat exchange unit is used for: heat is transmitted to heat user.The independent coal chemical enterprise of less demanding suitable for STRENGTH ON COKE moisture control.
Description
Technical field
The present invention relates to a kind of wet process coke pressure quenching energy recovery system and methods.Belong to wet process coke pressure quenching technology neck
Domain.
Background technique
Wet quenching is the quenching mode that coking industry generallys use, its advantage is that the small operation operation simplicity of energy is thrown, and
A large amount of coking wastewaters can be consumed.But the disadvantage is that seriously pollution air environment wastes a large amount of heat, with national energy-saving ring
Guaranteed request is increasingly stringent, and wet quenching is gradually replaced by Dry Quenching technique, becomes spare technique.Although Dry Quenching can be abundant
It is generated electricity using red burnt sensible heat, economic benefits can substantially eliminate pollution of the quenching to environment, but disposable throw can be compared with
Greatly, the coal chemical enterprise of place anxiety is transformed difficult.Therefore it needs to seek suitable method to change existing wet quenching
It makes, complies with energy-saving and environment-friendly requirement.
Summary of the invention
In order to solve the problem of that wet quenching thermal energy wastes environmental pollution, the present invention provides a kind of wet process coke pressure quenching energy
Source recovery system, to be suitable for STRENGTH ON COKE moisture control independent coal chemical enterprise of less demanding.
The purpose of the present invention is what is be achieved by following technical solution, a kind of wet process coke pressure quenching energy recovery system
System, it is characterized in that: including at least: quenching unit, vapor condensing heat-exchange unit and coke quenching water heat exchange unit；
Quenching unit is used for: being extinguished red heat coke, is generated the mixed gas of heat, vapor and coal gas；
Vapor condensing heat-exchange unit is used for: separation vapor and coal gas, heat is transmitted to heat user, export coal gas recycles；
Coke quenching water heat exchange unit is used for: heat is transmitted to heat user.
The quenching unit includes red burnt bunker, coke quenching pool, goes out coke installation and mixed gas delivery line；Wherein, quenching
The coke quenching pool top of unit is divided into two parts, and a part is gas evolution room, and another part is coke discharger；Coke discharger port with put out
Burnt pond water supply pipe connection, coke quenching pool water supply pipe make to put out to guarantee that the water level of coke quenching pool is enough to obstruct gas evolution room and coke discharger
The gas that coke generates will not be escaped from coke discharger；Gas escapes room top and passes through mixed gas delivery line and vapor condensing heat-exchange
The condenser of unit connects.
The vapor condensing heat-exchange unit includes condenser, air-introduced machine and gas export control；Air-introduced machine is in condenser
On mixed gas delivery line connecting line, air-introduced machine provides negative pressure power；Gas export control is in condenser top, coal gas export
Pipe lower part meets mixed gas export general pipeline and condensate ruturn pipe, condenser connect coke discharger by condensate ruturn pipe.
The coke quenching water heat exchange unit includes heat exchanger and quenching water-circulating pump and quenching water circulation pipe；Heat exchanger is
Heat-condutive oil heat exchanger, heat exchanger connect the coke quenching pool of quenching unit by quenching water circulation pipe；Have on quenching water circulation pipe
Power-equipment quenching water-circulating pump.
The gas export control and condensate ruturn pipe has the first valve group, the second valve group respectively.
Increase liquid level detection device in the coke quenching pool, and moisturizing tube valve interlocked control valve switch, for guaranteeing
The water level barrier gas evolution room of coke quenching pool and coke discharger, the gas for generating quenching will not be escaped from coke discharger.
A kind of wet process coke pressure quenching energy recovery method, it is characterized in that: red heat coke is escaped by red burnt bunker by gas
Room enters coke quenching pool, and the first valve group, second valve group etc. are all closed, by water supply pipe guaranteed water level barrier gas evolution room and
Coke discharger, system is in closed band pressure condition at this time, and the mixed gas of vapor and coal gas that quenching generates is escaped by gas
Room enters condenser by air-introduced machine, is condensed into water with vapor after the water at low temperature heat exchange of heat user；After quenching, first open
First valve group, not steam-laden coal gas is exported by gas export control, then opens the second valve group, condensate return to quenching
Pond flow to and other uses water spot；The coke of extinguishing is transported by going out coke installation；Quenching water-circulating pump is opened always, and high temperature coke quenching water exists
Cool down in heat exchanger with the heat exchange of heat user water at low temperature.
The present invention carries out wet quenching under conditions of seal-off pressure, and a large amount of coal gas can be recycled, and guarantees having for quenching generation
Evil gas does not enter air, and can collect red burnt heat to greatest extent.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention.
In figure: 1, red burnt bunker；2, coke quenching pool；3, condenser；4, heat exchanger；5, go out coke installation；6, quenching water-circulating pump；
7, quenching water-circulating pipe；8, air-introduced machine；9, mixed gas delivery line；10, gas export control；11, condensate ruturn pipe；12,
One valve group；13, the second valve group；14, gas escapes room；15, coke discharger；16, coke quenching pool water supply pipe.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, a kind of wet process coke pressure quenching energy recovery system, includes at least: quenching unit, vapor condensing heat-exchange list
Member and coke quenching water heat exchange unit；
Quenching unit generates the mixed gas of heat, vapor and coal gas for extinguishing red heat coke；
Vapor condensing heat-exchange unit is used for: separation vapor and coal gas, heat is transmitted to heat user, export coal gas recycles；
Coke quenching water heat exchange unit is used for: heat is transmitted to heat user.
Quenching unit includes red burnt bunker 1, coke quenching pool 2, goes out coke installation 5 and mixed gas delivery line 9；Wherein, quenching list
2 top of coke quenching pool of member is divided into two parts, and a part is gas evolution room 14, and another part is coke discharger 15；15 end of coke discharger
Mouth is connect with coke quenching pool water supply pipe 16, and coke quenching pool water supply pipe 16 is to guarantee that the water level of coke quenching pool 2 is enough to obstruct gas evolution room 14
With coke discharger 15, the gas for generating quenching will not be escaped from coke discharger 15；It is led by mixed gas on gas evolution 14 top of room
Outlet pipe 9 is connect with the condenser 3 of vapor condensing heat-exchange unit.
Vapor condensing heat-exchange unit includes condenser 3, air-introduced machine 8 and gas export control 10；Air-introduced machine 8 is in condenser 3
On 9 connecting line of mixed gas delivery line, air-introduced machine 8 provides negative pressure power；Gas export control 10 is in 3 top of condenser, coal
10 lower part of gas delivery line connects mixed gas export general pipeline 9 and condensate ruturn pipe 11, and condenser 3 is connected by condensate ruturn pipe 11
Meet coke discharger 15.
Coke quenching water heat exchange unit includes heat exchanger 4 and quenching water-circulating pump 6 and quenching water circulation pipe 7；Heat exchanger 4 is to lead
Hot oil heat exchanger, heat exchanger 4 connect the coke quenching pool 2 of quenching unit by quenching water circulation pipe 7；On quenching water circulation pipe 7
Dynamic equipment quenching water-circulating pump 6.
Gas export control 10 and condensate ruturn pipe 11 have the first valve group 12, the second valve group 13 respectively.
Red heat coke escapes room 14 by gas by red burnt bunker 1 and enters coke quenching pool 2, the first valve group 12, the second valve
Groups 13 etc. are all closed, and by 16 guaranteed water level of water supply pipe barrier gas evolution room 14 and coke discharger 15, system is in closed at this time
Band pressure condition, the mixed gas of vapor and coal gas that quenching generates, which is entered by gas evolution room 14 by air-introduced machine 8, to be condensed
Vapor is condensed into water after device 3, with the water at low temperature heat exchange of heat user.
After quenching, the first valve group 12 is first opened, not steam-laden coal gas is exported by gas export control 10, then is beaten
It opens the second valve group 13, condensate return to coke quenching pool 2 or flow to and other use water spot.The coke of extinguishing is transported by going out coke installation 5.
Quenching water-circulating pump 6 is opened always, and high temperature coke quenching water, which exchanges heat in heat exchanger 4 with heat user water at low temperature, to cool down.
Embodiment 2
On the basis of embodiment 1, increase liquid level detection device in coke quenching pool 2, opened with moisturizing tube valve interlocked control valve
It closes, the water level that coke quenching pool 2 is effectively ensured is enough to obstruct gas evolution room 14 and coke discharger 15, and the gas for generating quenching will not be from
Coke discharger 15 escapes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the present invention, it is all in spirit of the invention and
Any modifications, equivalent replacements, and improvements etc. done within principle, should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of wet process coke pressure quenching energy recovery system, it is characterized in that: including at least: quenching unit, vapor condensing heat-exchange
Unit and coke quenching water heat exchange unit；
Quenching unit is used for: being extinguished red heat coke, is generated the mixed gas of heat, vapor and coal gas；
Vapor condensing heat-exchange unit is used for: separation vapor and coal gas, heat is transmitted to heat user, export coal gas recycles；
Coke quenching water heat exchange unit is used for: heat is transmitted to heat user.
2. a kind of wet process coke pressure quenching energy recovery system according to claim 1, it is characterized in that: the quenching unit
Including red burnt bunker (1), coke quenching pool (2), go out coke installation (5) and mixed gas delivery line (9)；Wherein, the quenching of quenching unit
Pond (2) top is divided into two parts, and a part is gas evolution room (14), and another part is coke discharger (15)；Coke discharger (15) end
Mouth is connect with coke quenching pool water supply pipe (16), and coke quenching pool water supply pipe (16) is to guarantee that the water level of coke quenching pool (2) is enough to obstruct gas ease
Room (14) and coke discharger (15) out, the gas for generating quenching will not be escaped from coke discharger (15)；Gas escapes room (14) top
It is connect by mixed gas delivery line (9) with the condenser (3) of vapor condensing heat-exchange unit.
3. a kind of wet process coke pressure quenching energy recovery system according to claim 1, it is characterized in that: the vapor is cold
Solidifying heat exchange unit includes condenser (3), air-introduced machine (8) and gas export control (10)；Air-introduced machine (8) is in condenser (3) and mixing
On gas eduction tube (9) connecting line, air-introduced machine (8) provides negative pressure power；Gas export control (10) on condenser (3) top,
Gas export control (10) lower part connects mixed gas export general pipeline (9) and condensate ruturn pipe (11), condenser (3) pass through condensed water
Return pipe (11) connects coke discharger (15).
4. a kind of wet process coke pressure quenching energy recovery system according to claim 1, it is characterized in that: the coke quenching water changes
Hot cell includes heat exchanger (4) and quenching water-circulating pump (6) and quenching water circulation pipe (7)；Heat exchanger (4) is conduction oil heat exchange
Device, heat exchanger (4) connect the coke quenching pool (2) of quenching unit by quenching water circulation pipe (7)；On quenching water circulation pipe (7)
Dynamic equipment quenching water-circulating pump (6).
5. a kind of wet process coke pressure quenching energy recovery system according to claim 3, it is characterized in that: the coal gas exports
Pipe (10) and condensate ruturn pipe (11) have the first valve group (12), the second valve group (13) respectively.
6. a kind of wet process coke pressure quenching energy recovery system according to claim 2, it is characterized in that: the coke quenching pool
(2) increase liquid level detection device, and moisturizing tube valve interlocked control valve switch, for guaranteeing that the water level of coke quenching pool (2) hinders in
Trapping body escapes room (14) and coke discharger (15), and the gas for generating quenching will not be escaped from coke discharger (15).
7. a kind of wet process coke pressure quenching energy recovery method, it is characterized in that: red heat coke is escaped by red burnt bunker (1) by gas
Room (14) enters coke quenching pool (2), and the first valve group (12), the second valve group (13) are all closed, and guarantees water by water supply pipe (16)
Steric hindrance trapping body escapes room (14) and coke discharger (15), and system be in closed band pressure condition at this time, the vapor of quenching generation and
The mixed gas of coal gas enters condenser (3) by air-introduced machine (8) by gas evolution room (14), changes with the water at low temperature of heat user
Vapor is condensed into water after heat；It after quenching, first opens the first valve group (12), not steam-laden coal gas is exported by coal gas
(10) export is managed, then opens the second valve group (13), condensate return to coke quenching pool (2) or flow to and other uses water spot；Extinguish
Coke is transported by going out coke installation (5)；Quenching water-circulating pump (6) is opened always, and high temperature coke quenching water is in the heat exchanger (4) and heat user
Water at low temperature heat exchange cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359715.4A CN110205145B (en) | 2018-04-20 | 2018-04-20 | Wet pressure quenching energy recovery system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359715.4A CN110205145B (en) | 2018-04-20 | 2018-04-20 | Wet pressure quenching energy recovery system and method |
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| Publication Number | Publication Date |
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| CN110205145A true CN110205145A (en) | 2019-09-06 |
| CN110205145B CN110205145B (en) | 2024-05-28 |
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|---|---|---|---|---|
| BE835589A (en) * | 1974-11-14 | 1976-03-01 | METHOD AND DEVICE FOR WET COKE EXTINGUISHING AND SIMULTANEOUS RECOVERY OF GAS TO WATER | |
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