CN205953947U - Coke oven gas liquid film cooling device - Google Patents
Coke oven gas liquid film cooling device Download PDFInfo
- Publication number
- CN205953947U CN205953947U CN201620817234.XU CN201620817234U CN205953947U CN 205953947 U CN205953947 U CN 205953947U CN 201620817234 U CN201620817234 U CN 201620817234U CN 205953947 U CN205953947 U CN 205953947U
- Authority
- CN
- China
- Prior art keywords
- cooler
- coke oven
- liquid film
- oven gas
- circulation fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model provides a coke oven crude gas liquid film cooling device, the device includes cooler, circulating line, liquid film circulating pump, and the circulation fluid entry of cooler upper end is connected to the one end of circulating line, and the outlet of circulation hydraulic of cooler lower extreme is connected to the other end of circulating line, and the liquid film circulating pump is installed in the circulating line, the circulation fluid entry is linked together with the upper end of cooler tube side, and outlet of circulation hydraulic is linked together with the lower extreme of cooler tube side, still be equipped with circulation fluid outer discharge pipe way in the bottom of cooler. Compared with the prior art, the beneficial effects of the utility model are that: a coke oven crude gas liquid film cooling device, is through setting up mobile liquid film on the raw coke oven gas cooling wall, and the tar of raw coke oven gas condensation and buggy, fine coke are carry over out of along with the liquid film that flows, have avoided raw coke oven gas side blocking phenomenon's emergence to raw coke oven gas waste heat recovery device's continuous steady operation has been guaranteed.
Description
Technical field
The utility model is related to the cooling of coke oven high temperature raw coke oven gas and heat recovery technical field, more particularly, to a kind of burnt
Producer gas Film cooling device.
Background technology
Coke oven raw gas temperature out is about 750 DEG C about, and the heat taken out of is equivalent to the total of coking by coke oven consumption
The 33～35 of heat, the purification for ease of rear operation and process, in prior art, common practice is：Spray cycle ammoniacal liquor with
Raw coke oven gas directly contact, vaporizes in a large number by cyclic ammonia water, makes raw coke oven gas drastically be cooled to 80～83 DEG C and delivers to follow-up coal gas essence
System processed.The converting heat of the said process high temperature raw coke oven gas of prior art is useless low temperature water vapour (about 80 DEG C left sides
Right) and need substantial amounts of recirculated water to be cooled down, the defect existing is both to have wasted the heat of high temperature raw coke oven gas, consumed again
Substantial amounts of water resource.
Substantial amounts of discussion has been done to the cooling of coke oven high temperature raw coke oven gas and heat recovery in home and abroad, but prior art
In structures and methods there is problems that：Because the tar that raw coke oven gas is gradually condensed out different boiling in cooling procedure evaporates
Point, coke powder that these tarry distillates condense on the cooling wall of coal gas side and gradually carry secretly in pitch graphitization and raw coke oven gas, coal dust
Bonding causes blocking and heat transfer deterioration, does not therefore all obtain extensive industrial applications.
Utility model content
The purpose of this utility model is exactly for solving the problems referred to above that prior art exists, providing a kind of coal oven dithio-gas liquid
Film cooling device；The utility model is actively to form a laminar flow liquid film on the cooling wall of raw coke oven gas cooling device coal gas side to take away
The coal dust carried secretly in the tar condensing in raw coke oven gas and raw coke oven gas, coke powder, thus avoid raw coke oven gas cooling tube because tar,
Coal dust, the problem of coke powder blocking.
For achieving the above object, the utility model employs the following technical solutions realization：
A kind of coke-stove gas Film cooling device, including cooler, circulating line, liquid film circulating pump, the one of circulating line
End connects the circulation fluid entrance of cooler upper end, and the other end of circulating line connects the circulation fluid outlet of cooler lower end, liquid film
Circulating pump is arranged in circulating line；
Circulation fluid entrance is connected with the upper end of cooler tube side, and circulation fluid outlet is connected with the lower end of cooler tube side
Logical；It is additionally provided with the outer discharge pipe of circulation fluid in the bottom of cooler.
Described cooler is tubular heat exchanger or plate type heat exchanger.
Compared with prior art, the beneficial effects of the utility model are：
A kind of coal oven dithio-gas Film cooling device, is passed through circulation by circulating pump to raw coke oven gas cooling device coal gas side
Liquid, this circulation fluid arranges the liquid film of a laminar flow on raw coke oven gas cooling wall, the tar that condense raw coke oven gas and coal dust, coke powder with
The liquid film of flowing is taken out of, it is to avoid the generation of raw coke oven gas side clogging, thus ensure that the company of raw coke oven gas waste-heat recovery device
Continuous stable operation.
Brief description
Fig. 1 is a kind of structural representation of the utility model coal oven dithio-gas Film cooling device；
Fig. 2 is schematic diagram (Figure 1A point partial enlargement forming liquid film on heat exchange inside pipe wall in the utility model device
Figure).
In figure：1- cooler, 2- heat exchanger, 3- cooling medium entrance, 4- circulating line, 5- liquid film circulating pump, 6- circulation
Liquid outer discharge pipe, the outlet of 7- raw coke oven gas, the outlet of 8- cooling medium, 9- raw coke oven gas entrance, 10- liquid film, 11- circulation fluid entrance, 12-
Circulation fluid exports.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is further illustrated：
As Figure 1-Figure 2, a kind of coke-stove gas Film cooling device, including cooler 1, circulating line 4, liquid film circulation
Pump 5, one end of circulating line 4 connects the circulation fluid entrance 11 of cooler 1 upper end, and the other end of circulating line 4 connects cooler 1
The circulation fluid outlet 12 of lower end, liquid film circulating pump 5 is arranged in circulating line 4；
Circulation fluid entrance 11 is connected with the upper end of cooler 1 tube side, the lower end of circulation fluid outlet 12 and cooler 1 tube side
It is connected；It is additionally provided with the outer discharge pipe 6 of circulation fluid in the bottom of cooler 1.Circulation fluid can be gradual during recycling
Increase, in order to keep balance and exclusion coke powder, the coal dust of circulation fluid, the therefore outer discharge pipe 6 of setting circulation fluid is by unnecessary circulation
Liquid is drained.
It is additionally provided with raw coke oven gas entrance 9 on the top of cooler 1 tube side, the bottom of cooler 1 tube side is provided with raw coke oven gas
Outlet 7, the bottom of cooler 1 shell side is provided with cooling medium entrance 3, and the top of cooler 1 shell side is provided with cooling medium outlet 8.
Described cooler 1 is the heat exchange element of tubular heat exchanger or plate type heat exchanger or other forms
And equipment.
A kind of coke-stove gas Film cooling technique, this technique is while coal oven dithio-gas are passed through heat-exchange tube of cooler 2,
To in heat-exchange tube of cooler 2, coal gas side is passed through circulation fluid, and this circulation fluid forms the liquid film of a laminar flow on heat exchanger tube 2 cooling wall
10, the coal dust carried secretly, coke powder in the tar condensing in raw coke oven gas cooling procedure and raw coke oven gas are taken away, thus avoiding
Coke-stove gas heat-exchange tube of cooler 2 is because of adhesion tar, coal dust, coke powder and the blocking that causes；Concrete grammar is as follows：
Circulation fluid is passed through to the top of cooler 1 by liquid film circulating pump 5, circulation fluid can along the inwall of heat exchanger tube 2 to
Lower flowing, forms the liquid film 10 of a laminar flow on the side wall of heat exchanger tube 2；The meanwhile famine from cooler top by raw coke oven gas
Gas entry 9 is passed through, raw coke oven gas enter heat exchanger tube 2 in cooled down, raw coke oven gas cooling during partial condensation tar with
And the coal dust carried secretly in raw coke oven gas, coke powder can stick on cooling side wall flowing liquid membrane 10 in, taken away by flowing liquid membrane 10；
Raw coke oven gas outlet 7 discharge from cooler 1 bottom for the raw coke oven gas after heat exchange, be stained with the circulation fluid of solid impurity from
Cooler 1 bottom enters circulating line 4 and recycles.
Described circulation fluid is tar or conduction oil, or other is the liquid of liquid when higher than 200 DEG C.
Operation principle of the present utility model is as follows：
See Fig. 1, the raw coke oven gas entrance 9 from cooler 1 top for the high temperature raw coke oven gas enters tube side, from cooling after cooled cooling
The raw coke oven gas outlet 7 of device 1 bottom is gone out；The cooling medium entrance 3 from cooler 1 shell side bottom for the cooling medium enters, with tube side
In raw coke oven gas heat exchange after cooling medium outlet from shell side top 8 go out；Meanwhile, circulation fluid is sent by liquid film circulating pump 5
Enter the top of cooler 1 tube side, see Fig. 2, circulation fluid flows down along the inwall of the heat exchanger tube 2 of cooler, in the inwall of heat exchanger tube 2
Form the liquid film 10 that flows downward, raw coke oven gas is separated by liquid film 10 with cooling wall, the condensed tar in raw coke oven gas and famine coal
The coal dust carried secretly in gas, coke powder stick on liquid film 10, and flow downward with liquid film 10, and liquid film 10 is in cooler 1 tube side
Entrance circulating line 4 is collected in bottom, then enters through liquid film circulating pump 5 and recycles；Unnecessary circulation fluid is by the outer comb of circulation fluid
Road 6 is discharged.
Cooling medium can be water, water vapour, conduction oil, gas etc..
Embodiment 1：
Below with water-vapor as cooling medium, as a example tar is liquid film circulation fluid, knot of the present utility model to be described
Structure and the course of work.
1) about 650 800 DEG C of high temperature raw coke oven gas is passed through the raw coke oven gas entrance 9 at cooler 1 tube side top, cooled fall
Temperature raw coke oven gas outlet 7 from cooler bottom to after about 300 350 DEG C is gone out.
2) water cooling medium enters from the cooling medium entrance 3 of cooler 1 shell side bottom, with the raw coke oven gas heat exchange in tube side
After be vaporizated into 4.0～6.0MPa vapor, the cooling medium outlet from shell side top for the water and steam mixture 8 is gone out.
Reclaim saturated vapor or the superheated vapor that the heat of high temperature technique in raw coke oven gas can produce 4.0～6.0MPa, permissible
Adapt to different user's requests.
3) meanwhile, tar is sent into the top of cooler 1 tube side, tar changing along cooler by liquid film circulating pump 5
The inwall of heat pipe 2 flows down, the liquid film 10 flowing downward in the inwall formation of heat exchanger tube 2, and raw coke oven gas is divided by liquid film 10 with cooling wall
Separate, the coal dust carried secretly in the condensed tar in raw coke oven gas and raw coke oven gas, coke powder stick on liquid film 10, and with liquid film 10
Flow downward, liquid film 10 collects entrance circulating line 4 in the bottom of cooler 1 tube side, then enters through liquid film circulating pump 5 and follows
Ring；Unnecessary tar is discharged by the outer discharge pipe 6 of circulation fluid.
Raw coke oven gas is separated by circulation fluid tar with cooling wall, and by the tar of condensation in raw coke oven gas cooling procedure and waste coal
The coal dust carried secretly in gas, coke powder are taken away, and are resulted in blockage it is ensured that the changing of coal oven dithio-gas and water with preventing it from accumulating on cooling wall
Thermal effect and the continuous organic efficiency run, improve waste heat of coke oven crude gas.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of utility model, not to the utility model
The restriction of protection domain, on the basis of the technical solution of the utility model, those skilled in the art do not need to pay creativeness
Various modifications that work can be made or deformation are still within protection domain of the present utility model.
Claims (2)
1. a kind of coke-stove gas Film cooling device, it is characterised in that including cooler, circulating line, liquid film circulating pump, circulates
One end of pipeline connects the circulation fluid entrance of cooler upper end, and the circulation fluid of the other end connection cooler lower end of circulating line goes out
Mouthful, liquid film circulating pump is arranged in circulating line；
Circulation fluid entrance is connected with the upper end of cooler tube side, and circulation fluid outlet is connected with the lower end of cooler tube side；?
The bottom of cooler is additionally provided with the outer discharge pipe of circulation fluid.
2. according to claim 1 a kind of coke-stove gas Film cooling device it is characterised in that described cooler be shell and tube
Heat exchanger or plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817234.XU CN205953947U (en) | 2016-07-28 | 2016-07-28 | Coke oven gas liquid film cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817234.XU CN205953947U (en) | 2016-07-28 | 2016-07-28 | Coke oven gas liquid film cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205953947U true CN205953947U (en) | 2017-02-15 |
Family
ID=57972478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817234.XU Withdrawn - After Issue CN205953947U (en) | 2016-07-28 | 2016-07-28 | Coke oven gas liquid film cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205953947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085513A (en) * | 2016-07-28 | 2016-11-09 | 樊晓光 | A kind of coke-stove gas Film cooling technique and device |
-
2016
- 2016-07-28 CN CN201620817234.XU patent/CN205953947U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085513A (en) * | 2016-07-28 | 2016-11-09 | 樊晓光 | A kind of coke-stove gas Film cooling technique and device |
| CN106085513B (en) * | 2016-07-28 | 2021-07-20 | 樊晓光 | Coke oven gas liquid film cooling process and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20210720 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20210720 |