CN110484309A - Combined type coal gas primary cooler and its system - Google Patents
Combined type coal gas primary cooler and its system Download PDFInfo
- Publication number
- CN110484309A CN110484309A CN201910742400.2A CN201910742400A CN110484309A CN 110484309 A CN110484309 A CN 110484309A CN 201910742400 A CN201910742400 A CN 201910742400A CN 110484309 A CN110484309 A CN 110484309A
- Authority
- CN
- China
- Prior art keywords
- primary cooler
- lower layer
- coal gas
- plate body
- combined type
- 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.)
- Pending
Links
- 239000003034 coal gas Substances 0.000 title claims abstract description 60
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of combined type coal gas primary cooler and its system, which includes primary cooler shell, is set to the intracorporal heat exchanger tube of primary cooler shell, mixed liquor spraying mechanism, the disconnected tower tray for being set to heat exchanger tube downstream and the scummer positioned at disconnected tower tray downside；The mixed liquor spraying mechanism includes the nozzle of jet pipe and connecting spray nozzle, which is set to the upper end of heat exchanger tube；The present invention is by being mounted with heat exchanger tube, mixed liquor spraying mechanism, the disconnected tower tray for being set to heat exchanger tube downstream and scummer positioned at disconnected tower tray downside for primary cooler shell；And the disconnected tower tray has upper layer plate body and lower layer's plate body in umbrella, the stream on upper layer plate body and lower layer's plate body of the cleaning solution after being washed is dynamic, and it is washed after cleaning solution by scummer discharge primary cooler shell outside；It is substantially reduced the defect of the corrosive deposit blocking pipeline in coal gas, and extends the service life of combined type coal gas primary cooler.
Description
Technical field
The present invention relates to the gas purifications in a kind of combined type coal gas primary cooler and its system more particularly to a kind of pair of coke oven
Combined type coal gas primary cooler and its system.
Background technique
The temperature from the raw coke oven gas that coke oven comes out before entering cleaning procedure is at 80 DEG C or more in the prior art, and in coal gas
Also contain a large amount of tar vapour and vapour containing ammonium hydroxide, further cooling must be made in primary cooler, and by most of tar vapour and contain ammonia
Moisture condensation gets off, and primary cooler is one of important equipment of gas purification, if the temperature of coal gas in primary cooler, containing naphthalene and dust etc.
Process conditions requirement is not achieved, will seriously affect the normal operation of coal gas conveying and coal gas rear portion purification system, and naphthalene in coal gas,
Dust easily blocks rear portion tower, heat exchanger, and desulfurization, the efficiency washed ammonia, wash benzene are decreased obviously, so that the gas quality that dispatches from the factory can not reach
Mark, or even jeopardize air blower operation and cause piping corrosion, the corrosion of crude benzol equipment, therefore primary-cooling working procedure is the base of gas purification
Plinth.
The problems such as primary cooler of existing coking process mostly uses horizontal water-tube primary cooler, generally existing leakage, blocking, corrosion,
And heat pipe must be exchanged within every 3 years or so and carry out whole replacements.
Therefore, it is necessary to a kind of combined type coal gas primary cooler be designed, to improve the defects of leaking, blocking, corrode problem.
Summary of the invention
The object of the present invention is to provide it is a kind of improve blocking and the combined type coal gas primary cooler that prolongs the service life and
Its system.
The present invention has following technical solution: a kind of combined type coal gas primary cooler, including primary cooler to achieve the above object
Shell is placed in the intracorporal heat exchanger tube of primary cooler shell, mixed liquor spraying mechanism, the disconnected tower tray for being set to heat exchanger tube downstream and is located at
The scummer of disconnected tower tray downside；Primary cooler shell has positioned at the air inlet of upper end, the gas outlet of lower end and drain pipe outlet；
The heat exchanger tube has the inlet tube and outlet for extending primary cooler shell；The mixed liquor spraying mechanism includes jet pipe and company
The nozzle of jet pipe is connect, which is set to the upper end of heat exchanger tube；The disconnected tower tray has at least two layers of plate body, i.e. up and down direction
The upper layer plate body and lower layer's plate body of arrangement, the upper layer plate body and lower layer's plate body are in umbrella-shaped structure, and in there is part in up and down direction
Overlapping, and the channel of supplied gas flowing is formed between the upper layer plate body and lower layer's plate body；It is just cold that the scummer is equipped with connection
The discharge pipe of the drain pipe outlet of gas shell and the helix transporting device being connected to discharge pipe.
Further improvement scheme has: lower layer's plate body one end of the disconnected tower tray and the inner wall of primary cooler shell are fixed on one
It rises, drain pipe outlet is set to lower layer's plate body and primary cooler housing junction, and is located at the upside of lower layer's plate body.
Further improvement scheme has: the combined type coal gas primary cooler be further provided with lower layer's mixed liquor spraying mechanism, under
Layer heat exchanger tube and positioned at downside end drain pipe export；Lower layer's mixed liquor spraying mechanism is set to the lower layer of the disconnected tower tray
The lower end of plate body, and lower layer's mixed liquor spraying mechanism is equipped with lower jet pipe and connects the lower nozzle of lower jet pipe, which is located at institute
State the upper end of lower layer's heat exchanger tube.
Further improvement scheme has: there is lower layer's heat exchanger tube the lower layer's inlet tube for extending primary cooler shell and lower layer to go out
Mouth pipe.
Further improvement scheme has: the other end of lower layer's plate body of the disconnected tower tray has protruded upward protrusion.
To achieve the above object, following scheme can also be used in combined type coal gas primary cooler system of the present invention: a kind of combined type
Coal gas primary cooler system comprising all technical characteristics of above-mentioned combined type coal gas primary cooler and with the combined type coal gas primary cooler
The condensate circulation slot of connection, the discharge pipe of the scummer are connected in the condensate circulation slot.
Further improvement scheme has: the condensate circulation slot has upper section condensate circulation slot and lower end condensate circulation
Slot；The combined type coal gas primary cooler system includes water sealed tank, drain pipe and connecting tube, which is connected to primary cooler shell
End drain pipe is exported in water sealed tank, and water sealed tank is connected to by connecting tube with lower end condensate circulation slot.
Further improvement scheme has: the jet pipe of the mixed liquor spraying mechanism is connected to upper section condensate circulation slot.
Further improvement scheme has: the lower jet pipe of lower layer's spraying mechanism is connected to lower section condensate circulation slot.
Combined type coal gas primary cooler of the invention and its system have the following beneficial effects: the present invention by by primary cooler shell
Body is mounted with heat exchanger tube, mixed liquor spraying mechanism, the disconnected tower tray for being set to heat exchanger tube downstream and the scummer for closing on disconnected tower tray；And
The disconnected tower tray has upper layer plate body and lower layer's plate body in umbrella, and the cleaning solution after being washed is on upper layer plate body, lower layer's plate body
Flowing, and it is washed after cleaning solution by scummer discharge primary cooler shell outside；The corrosive deposit being substantially reduced in coal gas is stifled
The defect of pipeline is filled in, to extend the service life of combined type coal gas primary cooler.
Detailed description of the invention
Fig. 1 is the flow diagram of combined type coal gas primary cooler system of the present invention；
Fig. 2 is the partial structure diagram of combined type coal gas primary cooler shown in Fig. 1.
Specific embodiment
As shown in Figs.1 and 2, for the invention discloses a kind of combined type coal gas primary cooler system schematic diagram, should
Combined type coal gas primary cooler includes primary cooler shell 1, is placed in the intracorporal heat exchanger tube 2 of primary cooler shell, mixed liquor spraying mechanism
3, disconnected tower tray 4, the scummer 5 positioned at disconnected tower tray downside for being set to heat exchanger tube downstream, and combined type coal gas primary cooler system
Equipped with combined type coal gas primary cooler and the condensate circulation slot 6 being connect with combined type coal gas primary cooler.In the present embodiment, may be used
Combined type coal gas primary cooler is defined as two-piece housing, i.e., it is boundary with disconnected tower tray 4, upside can be defined as upper casing,
Downside is defined as lower piece housing.
The primary cooler shell 1 has positioned at the air inlet 10 of upper end, the gas outlet 11 of lower end and drain pipe outlet 12；It should
Air inlet 10 is communicated with air inlet pipe 13, and gas outlet 11 is communicated with escape pipe 14, and the coal gas that will enter in primary cooler shell 1 passes through
After the technical process such as heat exchange, slagging-off, primary cooler shell 1 is discharged from gas outlet 11 and escape pipe 14.
The heat exchanger tube 2 has the inlet tube 21 and outlet 22 for extending primary cooler shell 1.The mixed liquor spraying machine
Structure 3 includes the nozzle 32 of jet pipe 31 and connecting spray nozzle, which is set to the upper end of heat exchanger tube 2.In the present embodiment, on
State the lower layer's mixed liquor spraying mechanism 33 and lower layer's heat exchanger tube that combined type coal gas primary cooler is further provided in lower piece housing
23；Lower layer's mixed liquor spraying mechanism 33 is set to the downstream of the disconnected tower tray 4, which is equipped with down
Jet pipe 35 and the lower nozzle 34 for connecting lower jet pipe 35, the lower nozzle 34 are located at the upper end of lower layer's heat exchanger tube 23, which changes
Heat pipe 23 equally has the lower layer's inlet tube 24 and lower layer's outlet 25 for extending primary cooler shell 1.
The disconnected tower tray 4 have at least two layers of plate body, i.e., upper layer plate body 41 and lower layer's plate body 42 arranged in the up-down direction,
The upper layer plate body 41 and lower layer's plate body 42 are in umbrella-shaped structure, and in overlapping in up and down direction, and the upper layer plate body 41 and
The channel 43 that coal gas (gas) passes through is formed between lower layer's plate body 42, upper layer plate body 41 and lower layer's plate body 42 are conducive in umbrella
The flowing of mixture liquid, coal gas and spray liquid realize by the device and shunt that coal gas enters lower housing section shell by channel 43
Body continues to cool down, and the spray liquid of upper casing is entered in upper section condensate circulation slot 61 by scummer 5 and discharge pipe 51.When upper
When stating the coal gas of air inlet pipe 13 and entering primary cooler shell 1, the nozzle 32 for passing through mixed liquor spraying mechanism 3 sprays into mixed liquor liquid
Afterwards, which can wash coal gas, and coal dust in coal gas or coke powder are mixed with spray liquid, and in top plate
It is flowed on body 41 or lower layer's plate body 42, and purified coal gas can pass through the channel between the upper layer plate body 41 and lower layer's plate body 42
43 flow into next process.In the present embodiment, since the disconnected tower tray 4 has multilayered structure, sufficiently to be washed to coal gas
Effect is washed, and the liquid after washing is discharged by scummer 5, is prevented from blocking, is detailed later.
The scummer 5 is equipped with the discharge pipe 51 for the drain pipe outlet 12 for being connected to just cold air shell 1 and is connected to discharge pipe
Helix transporting device 52, and the discharge pipe 51 of the scummer 5 is connected in the condensate circulation slot 6, is convenient for next process
Processing.
The condensate circulation slot 6 has upper section condensate circulation slot 61 and lower end condensate circulation slot 62；It is described compound
Formula coal gas primary cooler 100 includes water sealed tank 7, drain pipe 8 and connecting tube 9, which is connected to the end of 1 lower end of primary cooler shell
Hold in drain pipe outlet 16 to water sealed tank 8 (when having two sections of cooling structures, the end drain pipe outlet of the primary cooler shell 1
16 be by the external of wash liquid discharge primary cooler shell), and connecting tube 9 connects water sealed tank 7 and lower end condensate circulation slot 61
It is logical；The jet pipe 31 of the mixed liquor spraying mechanism 3 is connected to upper section condensate circulation slot 61；And the lower spray of lower layer's spraying mechanism 33
Pipe 34 is connected to lower section condensate circulation slot 62, so as to recycling for spray liquid.
42 one end of lower layer's plate body of the disconnected tower tray 4 and the inner wall of primary cooler shell 1 are fixed together, and lower layer's plate body 42
The other end protruded upward protrusion 44, the drain pipe of above-mentioned primary cooler shell 1 outlet 12 be set to lower layer's plate body 42 with it is first cold
1 junction of device shell, and be located at the upper end of lower layer's plate body 1, the liquid and residue indwelling after facilitating washing on the upper layer plate body,
And be discharged by scummer 5, prevent residue from blocking primary cooler shell；The setting of the protrusion 44 can prevent liquid from flowing by channel 43
Enter lower layer space, is discharged outside primary cooler shell 1 as far as possible convenient for the residue after washing.
The present invention is by being mounted with heat exchanger tube 2 for primary cooler shell 1, mixed liquor spraying mechanism 3, being set to heat exchanger tube downstream
Disconnected tower tray 4 and scummer 5 positioned at disconnected tower tray downside；And the disconnected tower tray 4 has upper layer plate body 41 and lower layer in umbrella
Plate body 42, it is washed after cleaning solution flowed on upper layer plate body 41, lower layer's plate body 42, and it is washed after cleaning solution by removing
Slag device 5 is discharged outside primary cooler shell 1；And wash and purified gas (being properly termed as gas by purified coal gas) pass through
Channel 43 flows into lower section washing, and disposes the inlet tube 21 of the heat exchanger tube 2 for water on recirculated water, and is realized by outlet 22
Recirculated water return water, sufficiently to do cooling down processing to gas；The problem of corrosive deposit blocking pipeline being substantially reduced in coal gas,
To extend the service life of combined type coal gas primary cooler.
In the present embodiment, for when above-mentioned gas further being done purified treatment, in the downstream of above-mentioned disconnected tower tray 4 into one
Step is mounted with lower layer's mixed liquor spraying mechanism 33 and lower layer's heat exchanger tube 23, and the lower nozzle 34 of lower layer's mixed liquor spraying mechanism 33 is right
Above-mentioned purified coal gas further does sprinkling washing, and in lower layer's inlet tube 24 of lower layer's heat exchanger tube 23 on recirculated water
Water, and realize that recirculated water return water meets environmentally friendly mark to cool down the gas again convenient for discharge gas by lower layer's outlet 25
It is quasi-.
Although for illustrative purposes, the preferred embodiment of the present invention is had been disclosed, but the ordinary skill people of this field
Member will realize without departing from the scope and spirit of the invention as disclosed by the appended claims, various to change
Into, increase and replace be possible.
Claims (9)
1. a kind of combined type coal gas primary cooler, it is characterised in that: including primary cooler shell, be placed in the intracorporal heat exchange of primary cooler shell
Pipe, mixed liquor spraying mechanism, the disconnected tower tray for being set to heat exchanger tube downstream and the scummer positioned at disconnected tower tray downside；
Primary cooler shell has positioned at the air inlet of upper end, the gas outlet of lower end and drain pipe outlet；
The heat exchanger tube has the inlet tube and outlet for extending primary cooler shell；
The mixed liquor spraying mechanism includes the nozzle of jet pipe and connecting spray nozzle, which is set to the upper end of heat exchanger tube；
The disconnected tower tray has at least two layers of plate body, i.e., upper layer plate body and lower layer's plate body arranged in the up-down direction, the top plate
Body and lower layer's plate body are in umbrella-shaped structure, and in overlapping in up and down direction, and shape between the upper layer plate body and lower layer's plate body
At the channel for thering is supplied gas to flow；The scummer be equipped with the drain pipe outlet for being connected to just cold air shell discharge pipe and with discharge
The helix transporting device of pipe connection.
2. combined type coal gas primary cooler according to claim 1, it is characterised in that: lower layer's plate body one end of the disconnected tower tray
It being fixed together with the inner wall of primary cooler shell, drain pipe outlet is set to lower layer's plate body and primary cooler housing junction, and
Positioned at the upside of lower layer's plate body.
3. combined type coal gas primary cooler according to claim 1, it is characterised in that: the combined type coal gas primary cooler is into one
Step is equipped with lower layer's mixed liquor spraying mechanism, lower layer's heat exchanger tube and the end drain pipe positioned at downside and exports；Lower layer's mixed liquor spray
The lower end that mechanism is set to lower layer's plate body of the disconnected tower tray is spilt, and lower layer's mixed liquor spraying mechanism is equipped under lower jet pipe and connection
The lower nozzle of jet pipe, the lower nozzle are located at the upper end of lower layer's heat exchanger tube.
4. combined type coal gas primary cooler according to claim 3, it is characterised in that: lower layer's heat exchanger tube, which has, to be extended just
The lower layer's inlet tube and lower layer's outlet of cooler shell body.
5. combined type coal gas primary cooler according to claim 2, it is characterised in that: lower layer's plate body of the disconnected tower tray it is another
One end has protruded upward protrusion.
6. a kind of combined type coal gas primary cooler system comprising at the beginning of there is combined type coal gas described in any one of claims 1 to 5
Cooler and the condensate circulation slot connecting with the combined type coal gas primary cooler, the discharge pipe of the scummer are connected to the condensate liquid
In circulating slot.
7. combined type coal gas primary cooler system according to claim 6, it is characterised in that: the condensate circulation slot has
Upper section condensate circulation slot and lower end condensate circulation slot；The combined type coal gas primary cooler system includes water sealed tank, drain pipe
And connecting tube, the drain pipe connection primary cooler shell end drain pipe be exported in water sealed tank, and connecting tube by water sealed tank with
The connection of lower end condensate circulation slot.
8. combined type coal gas primary cooler system according to claim 7, it is characterised in that: the mixed liquor spraying mechanism
Jet pipe is connected to upper section condensate circulation slot.
9. combined type coal gas primary cooler system according to claim 7, it is characterised in that: the lower jet pipe of lower layer's spraying mechanism
It is connected to lower section condensate circulation slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742400.2A CN110484309A (en) | 2019-08-14 | 2019-08-14 | Combined type coal gas primary cooler and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742400.2A CN110484309A (en) | 2019-08-14 | 2019-08-14 | Combined type coal gas primary cooler and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110484309A true CN110484309A (en) | 2019-11-22 |
Family
ID=68550701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742400.2A Pending CN110484309A (en) | 2019-08-14 | 2019-08-14 | Combined type coal gas primary cooler and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110484309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282399A (en) * | 2020-03-02 | 2020-06-16 | 上海济德能源环保技术有限公司 | Medium-high temperature gas purification cooler |
| CN111560273A (en) * | 2020-03-11 | 2020-08-21 | 上海兖矿能源科技研发有限公司 | Chilling tower for separating Fischer-Tropsch synthesis products and process system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282399A (en) * | 2020-03-02 | 2020-06-16 | 上海济德能源环保技术有限公司 | Medium-high temperature gas purification cooler |
| CN111560273A (en) * | 2020-03-11 | 2020-08-21 | 上海兖矿能源科技研发有限公司 | Chilling tower for separating Fischer-Tropsch synthesis products and process system thereof |
| CN111560273B (en) * | 2020-03-11 | 2021-07-13 | 上海兖矿能源科技研发有限公司 | Chilling tower for separating Fischer-Tropsch synthesis products and process system thereof |
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