CN207237487U - High temperature pyrolysis gas processing system - Google Patents
High temperature pyrolysis gas processing system Download PDFInfo
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- CN207237487U CN207237487U CN201721127695.5U CN201721127695U CN207237487U CN 207237487 U CN207237487 U CN 207237487U CN 201721127695 U CN201721127695 U CN 201721127695U CN 207237487 U CN207237487 U CN 207237487U
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- pyrolysis gas
- dust
- high temperature
- temperature pyrolysis
- control valve
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Abstract
The utility model discloses high temperature pyrolysis gas processing system, including gravitational settling deduster, cyclone dust collectors, indirect heat exchanger and discharge device.Wherein, the gravitational settling deduster has high temperature pyrolysis gas entrance, the outlet of pre- dedusting high temperature pyrolysis gas and high-temperature dust outlet, and the high temperature pyrolysis gas entrance is connected with the high temperature pyrolysis gas outlet of fast pyrogenation stove；The cyclone dust collectors are connected with the pre- dedusting high temperature pyrolysis gas outlet；The indirect heat exchanger has high-temperature dust entrance and low temperature dust outlet, and the high-temperature dust entrance is connected with high-temperature dust outlet；The discharge device is connected with the low temperature dust outlet.Using the system can effectively solve high temperature pyrolysis gas conveyed directly into cyclone dust collectors caused by Drag distribution is uneven, line clogging the problems such as, the processing load of cyclone dust collectors can also be significantly reduced, and then significantly improves the efficiency of dust collection of whole high-temperature dust removal system.
Description
Technical field
The utility model belongs to chemical field, in particular to high temperature pyrolysis gas processing system.
Background technology
In actual production, the pyrolysis gas that fast pyrogenation stove produces is sent to high-temperature cyclone dust extractor by lateral, due to
The high temperature pyrolysis gas that fine coal fast pyrogenation produces carry substantial amounts of dust, and more sink can occur during Pipeline transport
Drop；Again since fast pyrogenation siege body is wider, pyrolysis gas needs more branch line to draw, and each branch resistance is different, dust
Sedimentation degree in each pipeline also differs, cause each branch line air-flow by when indivedual branch pipe pipelines blocking, from
And pyrolysis gas is influenced from the discharge in fast pyrogenation stove, and then influence the operating condition of fast pyrogenation stove.Therefore, high temperature pyrolysis gas
Processing system is further improved.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
It is to propose high temperature pyrolysis gas processing system with a new purpose, it is straight can effectively solves high temperature pyrolysis gas using the system
The problems such as connecing the uneven Drag distribution caused by conveying into cyclone dust collectors, line clogging, moreover it is possible to significantly reduce whirlwind and remove
The processing load of dirt device, and then significantly improve the efficiency of dust collection of whole high-temperature dust removal system.
The utility model is based on the finding that proposing：High temperature pyrolysis gas during being exported to cyclone dust collectors,
The unbalanced of each branch resistance can be caused due to dust settling, and then cause part pipeline blockage, not only influence pyrolysis gas from fast
Smoothly discharged in fast pyrolysis oven, can also influence the operating condition of fast pyrogenation stove.In addition, the more dust cleaning settled in pipeline
The larger processing load for causing cyclone dust collectors of dustiness aggravates in difficult, high temperature pyrolysis gas, efficiency of dust collection is caused sternly
Ghost image is rung.Inventor has found, will be used for high temperature pyrolysis gas dust pelletizing system for the gravitational settling deduster of dedusting of blast furnace gas, profit
High temperature pyrolysis gas are carried out with pre- dust removal process with gravity, then carries out cyclone dust removal, can effectively be solved the above problems, and show
Write the efficiency of dust collection for improving whole dust pelletizing system.
Thus, the utility model proposes a kind of high temperature pyrolysis gas processing system, including：
Gravitational settling deduster, the gravitational settling deduster have high temperature pyrolysis gas entrance, pre- dedusting high temperature pyrolysis gas
Outlet and high-temperature dust outlet, the high temperature pyrolysis gas entrance are connected with the high temperature pyrolysis gas outlet of fast pyrogenation stove；
Cyclone dust collectors, the cyclone dust collectors are connected with the pre- dedusting high temperature pyrolysis gas outlet；
Indirect heat exchanger, the indirect heat exchanger have high-temperature dust entrance and low temperature dust outlet, the high-temperature dust
Entrance is connected with high-temperature dust outlet；And
Discharge device, the discharge device are connected with the low temperature dust outlet.
The high temperature pyrolysis gas processing system of the utility model above-described embodiment mainly includes gravitational settling deduster, whirlwind removes
Dirt device, indirect heat exchanger and discharge device.The utility model between fast pyrogenation stove and cyclone dust collectors by setting gravity
Settling dust remover, the dust collecting process for wind two-stage dedusting of being put english using gravitational settling, the dedusting that can significantly improve dust pelletizing system are imitated
Rate.Specifically, the high temperature pyrolysis gas that fast pyrogenation stove produces can collect first with gravitational settling deduster and just
The pre- dust removal process of step, obtains pre- dedusting high temperature pyrolysis gas and high-temperature dust, recycles cyclone dust collectors are high to pre- dedusting to warm
Vent one's spleen and carry out further dedusting.Thus, high temperature pyrolysis gas not only can be effectively solved using the system directly to cyclone dust collectors
The problems such as Drag distribution caused by middle conveying is uneven, line clogging, moreover it is possible to the processing load of cyclone dust collectors is significantly reduced,
And then significantly improve the efficiency of dust collection of whole high-temperature dust removal system.
In addition, can also have what is added as follows according to the high temperature pyrolysis gas processing system of the utility model above-described embodiment
Technical characteristic：
In the utility model, the indirect heat exchanger is water cooling heat exchange of heat pipe.It is possible thereby to have to high-temperature dust
Effect cooling.
In the utility model, high temperature pyrolysis gas processing system further comprises：Discharge control valve, the discharge control valve
It is arranged between the indirect heat exchanger and the discharge device.Thus, it is possible to it is further ensured that the cooling effect to high-temperature dust
Fruit.
In the utility model, the discharge device includes：Discharge lock hopper, the top of the discharge lock hopper have first to lead to
Gas port, the bottom of the discharge lock hopper have the first control valve；Hopper, the top of the hopper have the second blow vent,
The bottom of the hopper has the second control valve, and second blow vent is connected with first blow vent by pipeline, and
There is third control valve on the pipeline；Wherein, first control valve and the third control valve are opened, simultaneously closes off second
Control valve, to make dust in the discharge lock hopper enter in hopper, opens the second control valve and third control valve, closes at the same time
The first control valve is closed, to discharge dust in the hopper.Thus, it is possible to effectively discharge dust.
Brief description of the drawings
Fig. 1 is the structure diagram according to the high temperature pyrolysis gas processing system of the utility model one embodiment.
Fig. 2 is the structure diagram according to the gravitational settling deduster of utility model one embodiment.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model proposes a kind of high temperature pyrolysis gas processing system, as shown in Figure 1, including：Gravitational settling deduster
100th, cyclone dust collectors 200, indirect heat exchanger 300 and discharge device 400.
Wherein, there is gravitational settling deduster 100 high temperature pyrolysis gas entrance 110, pre- dedusting high temperature pyrolysis gas to export 120 and
High-temperature dust outlet 130, high temperature pyrolysis gas entrance 110 are connected with the high temperature pyrolysis gas outlet 510 of fast pyrogenation stove 500；Whirlwind
Deduster 200 is connected with pre- dedusting high temperature pyrolysis gas outlet 120；Indirect heat exchanger 300 has high-temperature dust entrance 310 and low temperature
Dust outlet 320, high-temperature dust entrance 310 are connected with high-temperature dust outlet 130；And discharge device 400, discharge device 400
It is connected with low temperature dust outlet 320.
The high temperature pyrolysis gas processing system of the utility model above-described embodiment mainly includes gravitational settling deduster 100, rotation
Wind deduster 200, indirect heat exchanger 300 and discharge device 400.The utility model in fast pyrogenation stove 500 and whirlwind by removing
Gravitational settling deduster 100, the dust collecting process for wind two-stage dedusting of being put english using gravitational settling, Ke Yixian are set between dirt device 200
Write the efficiency of dust collection for improving dust pelletizing system.Specifically, can be first with gravitational settling deduster 100 to fast pyrogenation stove 500
The high temperature pyrolysis gas of generation collect and preliminary pre- dust removal process, expansion chamber of the high temperature pyrolysis gas in larger flow section
Under the action of interior and baffle, flow velocity substantially reduces, and dust settles under the effect of gravity, obtains pre- dedusting high temperature pyrolysis gas and high temperature
Dust, recycles cyclone dust collectors 200 to carry out further dedusting to pre- dedusting high temperature pyrolysis gas.Thus, using the system not only
Can effectively solve high temperature pyrolysis gas conveyed directly into cyclone dust collectors caused by the uneven, line clogging of Drag distribution etc.
Problem, moreover it is possible to significantly reduce the processing load of cyclone dust collectors, and then significantly improve the efficiency of dust collection of whole high-temperature dust removal system.
The high temperature pyrolysis gas processing system of the above embodiment of the present invention is described in detail below with reference to Fig. 1-2.
Specific embodiment according to the present utility model, indirect heat exchanger 300 can be water cooling tube heat exchanger.The utility model
In the high-temperature dust that gravity settling dust remover 100 can be collected into by using water cooling heat exchange of heat pipe effectively cooled down.Root
According to the specific example of the utility model, water cooling heat exchange of heat pipe can cool down high-temperature dust using recirculated water, thus, it is possible to
Further improve the cooling effect to high-temperature dust.
Specific embodiment according to the present utility model, high temperature pyrolysis gas processing system may further include：Discharge controls
Valve 600, discharge control valve 600 can be arranged between indirect heat exchanger 300 and discharge device 400.In the utility model, pass through
Discharge control valve 600 is set to further improve the cooling effect to high-temperature dust.Specifically, can be by controlling discharge control
The rotating speed of valve 600 processed controls the discharge velocity of high-temperature dust, when extending cooling of the high-temperature dust in indirect heat exchanger 300
Between, so as to further improve the cooling effect to high-temperature dust.
Specific embodiment according to the present utility model, discharge device 400 can include：Discharge lock hopper 410, discharge lock hopper
410 top has the first blow vent 411, and the bottom of discharge lock hopper 410 has the first control valve 412；Hopper 420, discharge
The top of bucket 420 has the second blow vent 421, and the bottom of hopper 420 has the second control valve 422, the second blow vent 421 and
First blow vent 411 is connected by pipeline, and has third control valve 423 on pipeline；Wherein, 412 He of the first control valve is opened
Third control valve 423, simultaneously closes off the second control valve 422, to make dust in discharge lock hopper 410 enter in hopper 420, beats
The second control valve 422 and third control valve 423 are opened, simultaneously closes off the first control valve 412, to discharge dust in hopper 420.
The utility model is by using the above-mentioned setting of discharge device 400, and the low temperature dust that can make to obtain after cooling is successively by row
Material lock hopper 410 and hopper 420 are discharged.In addition, pass through the first control valve 412, the second control valve 422 and third control valve 423
Be used cooperatively, be also prevented from discharge lock hopper 410 and hopper 420 coal gas in discharging process is fed and leak and air string
Enter.
Specific embodiment according to the present utility model, can make 600 continuous work of indirect heat exchanger 200 and discharge control valve
Make, discharge lock hopper 410 and hopper 420 intermittently carry out.Thus, it is possible to further prevent coal gas from leaking to be sealed in air.
In conclusion the high temperature pyrolysis gas processing system of the utility model above-described embodiment at least has the advantages that
One of：
1st, effectively solve high temperature pyrolysis gas into cyclone dust collectors course of conveying dust settling easily block the problem of pipeline；
2nd, in high temperature pyrolysis gas course of conveying, the dust collecting process for wind two-stage dedusting of being put english using gravitational settling, makes dedusting
Effect is relatively reliable.
3rd, the processing load of cyclone dust collectors is effectively reduced, improves the service life of cyclone dust collectors.
4th, whole pulverized coal pyrolysis process system stable operation is enable.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, without conflicting with each other, this area
Technical staff can carry out the different embodiments or example described in this specification and different embodiments or exemplary feature
With reference to and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (4)
- A kind of 1. high temperature pyrolysis gas processing system, it is characterised in that including：There is high temperature pyrolysis gas entrance, pre- dedusting high temperature pyrolysis gas to export for gravitational settling deduster, the gravitational settling deduster Exported with high-temperature dust, the high temperature pyrolysis gas entrance is connected with the high temperature pyrolysis gas outlet of fast pyrogenation stove；Cyclone dust collectors, the cyclone dust collectors are connected with the pre- dedusting high temperature pyrolysis gas outlet；Indirect heat exchanger, the indirect heat exchanger have high-temperature dust entrance and low temperature dust outlet, the high-temperature dust entrance It is connected with high-temperature dust outlet；AndDischarge device, the discharge device are connected with the low temperature dust outlet.
- 2. high temperature pyrolysis gas processing system according to claim 1, it is characterised in that the indirect heat exchanger is water cooling tube Heat exchanger.
- 3. high temperature pyrolysis gas processing system according to claim 1, it is characterised in that further comprise：Discharge control valve, the discharge control valve are arranged between the indirect heat exchanger and the discharge device.
- 4. high temperature pyrolysis gas processing system according to claim 1, it is characterised in that the discharge device includes：Discharge lock hopper, the top of the discharge lock hopper have the first blow vent, and the bottom of the discharge lock hopper has the first control Valve,Hopper, the top of the hopper have the second blow vent, and the bottom of the hopper has the second control valve, described Second blow vent is connected with first blow vent by pipeline, and has third control valve on the pipeline,Wherein, first control valve and the third control valve are opened, the second control valve is simultaneously closed off, to make the discharge Dust enters in hopper in lock hopper, opens the second control valve and third control valve, the first control valve is simultaneously closed off, to discharge Dust in the hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721127695.5U CN207237487U (en) | 2017-09-04 | 2017-09-04 | High temperature pyrolysis gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721127695.5U CN207237487U (en) | 2017-09-04 | 2017-09-04 | High temperature pyrolysis gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207237487U true CN207237487U (en) | 2018-04-17 |
Family
ID=61885052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721127695.5U Expired - Fee Related CN207237487U (en) | 2017-09-04 | 2017-09-04 | High temperature pyrolysis gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207237487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161392A (en) * | 2018-09-19 | 2019-01-08 | 西安三瑞实业有限公司 | A kind of external heat type rotary furnace coal pyrolysis device and method with internal dedusting |
-
2017
- 2017-09-04 CN CN201721127695.5U patent/CN207237487U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161392A (en) * | 2018-09-19 | 2019-01-08 | 西安三瑞实业有限公司 | A kind of external heat type rotary furnace coal pyrolysis device and method with internal dedusting |
| CN109161392B (en) * | 2018-09-19 | 2020-08-11 | 西安三瑞实业有限公司 | External heating type rotary furnace coal pyrolysis device with internal dust removal function and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20180417 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20180417 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 |