CN111623359A - Totally-enclosed type trimellitic anhydride residue pipeline conveying and slicing device and method - Google Patents
Totally-enclosed type trimellitic anhydride residue pipeline conveying and slicing device and method Download PDFInfo
- Publication number
- CN111623359A CN111623359A CN202010521033.6A CN202010521033A CN111623359A CN 111623359 A CN111623359 A CN 111623359A CN 202010521033 A CN202010521033 A CN 202010521033A CN 111623359 A CN111623359 A CN 111623359A
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- China
- Prior art keywords
- valve
- residue
- slicer
- rotary drum
- pipeline
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- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical group OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000004821 distillation Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/80—Shredding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/70—Incinerating particular products or waste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a totally-enclosed trimellitic anhydride residue pipeline conveying and slicing device.A residue conveying pump is connected to the kettle bottom of a distillation kettle through a discharge line, a valve I and a valve II are arranged on the discharge line, and the residue conveying pump is connected with a tundish pipeline through a residue conveying line; a valve III is arranged on the residue conveying line; the intermediate tank is connected with a slicer feeding pump through a valve IV and a valve V, the slicer feeding pump is connected with a rotary drum slicer through a transfer conveying line, a bin is connected below the rotary drum slicer, the bin is connected with an exhaust fan through a blanking pipeline, and the exhaust fan is connected with a rotary kiln pipeline; and a valve VI and a valve VII are arranged on the transfer conveying line. The invention can carry out whole-process closed conveying on the trimellitic anhydride residues, can reduce environmental pollution and reduce labor consumption.
Description
Technical Field
The invention relates to a trimellitic anhydride (trimellitic anhydride) production device, in particular to a trimellitic anhydride rectification residue slice incineration device.
Background
The method comprises the steps of directly discharging the high-temperature rectification residues into a receiving tank in a production workshop from a residue distillation kettle, exposing the residues in an atmospheric environment, naturally cooling the residues at a temperature, manually bagging the cooled residues or transferring the cooled residues to an incinerator device through a loader, pouring the cooled residues into an incinerator crushing box, crushing the residues, and burning the crushed residues in a brick kiln. The temperature of the rectification residues is basically maintained at about 250 ℃ in the process of being discharged into the receiving groove, the rectification residues are directly contacted with the atmosphere, a large amount of smoke is emitted, and the rectification residues are accompanied by pungent odor and do not meet the current environmental protection requirement; in the discharging process, due to high temperature and easy blockage, operators need to clean frequently, and safety accidents such as scalding of the operators are easily caused; a large amount of dust is generated in the transferring process, so that serious environmental pollution is caused; the whole process needs multi-person cooperative operation, and the labor cost is improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a totally-enclosed trimellitic anhydride residue pipeline conveying and slicing device, which can carry out totally-enclosed conveying on trimellitic anhydride residues, reduce environmental pollution and reduce manpower consumption.
In order to solve the technical problem, the totally-enclosed trimellitic anhydride residue pipeline conveying and slicing device comprises a distillation still and an intermediate tank, wherein the bottom of the distillation still is connected with a residue conveying pump through a discharge line, the discharge line is provided with a valve I and a valve II, and the residue conveying pump is connected with the intermediate tank through a residue conveying line; a valve III is arranged on the residue conveying line;
the intermediate tank is connected with a slicer feeding pump through a valve IV and a valve V, the slicer feeding pump is connected with a rotary drum slicer through a transfer conveying line, a bin is connected below the rotary drum slicer, the bin is connected with an exhaust fan through a blanking pipeline, and the exhaust fan is connected with a rotary kiln pipeline;
and a valve VI and a valve VII are arranged on the transfer conveying line.
The rotary drum slicing machine is connected with the cooling water circulating device through a water inlet valve and a water outlet valve.
The use method of the totally-enclosed trimellitic anhydride residue pipeline conveying and slicing device comprises the following steps:
step A, opening a heat-conducting oil inlet valve and an oil outlet valve on a conveying line, preheating pipelines, pumps, equipment, valves and the like on a residue conveying line, and simultaneously opening a low-pressure nitrogen valve to pre-purge and replace the residue conveying pipeline and the equipment;
step B, starting an exhaust fan;
c, opening a valve I at the bottom of the distillation kettle to be discharged, opening a valve II, starting a residue conveying pump, slowly opening a valve III serving as an outlet valve of the residue conveying pump, controlling the discharge flow by the valve, keeping the rated pressure of the residue conveying pump, and pumping the residue in the distillation kettle into an intermediate tank through a residue conveying line;
d, starting the rotary drum slicing machine, starting a circulating cooling water inlet valve and a circulating cooling water outlet valve in the rotary drum, and keeping the operation state of the slicing machine;
e, opening a valve IV serving as a discharge valve at the bottom of the middle tank and a valve V serving as a feeding valve of a slicer feeding pump, starting the slicer feeding pump, slowly opening a valve VI at the outlet of the slicer pump and a valve VII at the inlet of the rotary drum slicer, and controlling the feeding flow through the valve VII;
and F, adjusting the distance between the rotary drum and a scraper of the rotary drum slicer, scraping the cooled and crystallized residues on the rotary drum into powder, naturally dropping the powder into a storage bin, sucking the powder into the rotary kiln through an exhaust fan, and burning the powder at high temperature.
In the technical scheme, the trimellitic anhydride residue is conveyed in a whole closed manner, is not in contact with the atmosphere, does not generate dust, can reduce environmental pollution and reduce labor consumption.
Drawings
FIG. 1 is a schematic structural view of a totally enclosed type trimellitic anhydride residue pipeline transportation and slicing device.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the totally enclosed type trimellitic anhydride residue pipeline transportation slicing device comprises a distillation still 1 and an intermediate tank 5, wherein the bottom of the distillation still 1 is connected with a residue transportation pump P1 through a discharge line 2, the discharge line 2 is provided with a valve i V1 and a valve ii V2, and the residue transportation pump P1 is in pipeline connection with the intermediate tank 5 through a residue transportation line 4; and a valve III V3 is arranged on the residue conveying line 4.
The tundish 5 is connected with slicer feed pump P2 through valve IV V4, valve V5, slicer feed pump P2 is connected with rotary drum slicer 6 through transfer chain 7, the below of rotary drum slicer 6 is connected with feed bin 8, feed bin 8 is connected with air exhauster F1 through blanking pipeline 9, air exhauster F1 and rotary kiln pipe connection.
And the transfer conveying line 7 is provided with a valve VI V6 and a valve VII V7.
The rotary drum slicer 6 is connected with a cooling water circulating device through a water inlet valve W1 and a water outlet valve W2.
The whole process of the device is closed, all the pumps and pipelines are provided with heat preservation measures, and the residue is prevented from being solidified due to too low temperature.
The specific work flow of the device comprises the following steps:
and step A, opening a heat-conducting oil inlet valve and an oil outlet valve on the conveying line, preheating pipelines, pumps, equipment, valves and the like on the residue conveying line, and simultaneously opening a low-pressure nitrogen valve to pre-purge and replace the residue conveying pipeline and the equipment.
And step B, starting an exhaust fan F1.
And step C, opening a valve I V1 at the bottom of the distillation still 1 to be discharged, opening a valve II V2, starting a residue conveying pump P1, slowly opening a valve III V3 serving as an outlet valve of the residue conveying pump, controlling the discharge flow by the valve, keeping the rated pressure of the residue conveying pump P1, and pumping the residue in the distillation still 1 into an intermediate tank 5 through a residue conveying line 4.
And D, starting the rotary drum slicing machine 6, opening a water inlet valve W1 and a water outlet valve W2 of circulating cooling water in the rotary drum, and keeping the operation state of the slicing machine.
And E, opening a valve IV V4 serving as a discharge valve at the bottom of the intermediate tank 5 and a valve V5 serving as a feeding valve of a slicer feeding pump P2, starting the slicer feeding pump P2, slowly opening a valve VI V6 at the outlet of the slicer and a valve VII V7 at the inlet of the rotary drum slicer 6, and controlling the feeding flow through the valve VII V7.
And F, adjusting the distance between the rotary drum and the scraper of the rotary drum slicer 6, scraping the residues on the rotary drum after cooling and crystallization into powder, naturally falling into a storage bin 8, sucking into the rotary kiln through an exhaust fan F1, and burning at high temperature.
The invention is particularly suitable for places where the rectified residue has relatively loose density after being cooled, is easy to cause atmospheric pollution by direct discharge, wastes time and labor in the transportation process and needs to be incinerated in a rotary kiln at high temperature. The whole process is operated in a closed space, and excessive manpower and machinery are not needed.
And (3) effect analysis: 3000 tons of distillation residues are produced in a certain enterprise every year, and 10 tons of distillation residues are required to be discharged every day on average according to 300 days of annual production. If the smoke is directly discharged into the receiving groove, a large amount of dense smoke is generated during discharge, and at least 2 persons are required to watch to clean the blockage during discharge; after the residue is cooled, the solid residue must be transported to an incinerator device by manpower or machinery, and then the solid residue needs to be lifted and poured into an incinerator crusher for crushing. The whole process at least needs 8 people to closely cooperate, and a large amount of dense smoke and dust are generated in the process, which causes huge environmental pollution and manpower, and unsafe factors such as high-temperature scald, mechanical injury and the like exist in the process. The novel device can realize continuous and totally-enclosed operation, can realize the operation of all processes by only 2 persons, does not produce any dense smoke and dust, realizes safe production, protects the environment and reduces the operation cost.
The embodiments of the present invention include, but are not limited to, the above-mentioned embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the substance of the present invention, and still fall into the scope of the present invention.
Claims (3)
1. The utility model provides a totally enclosed trimellitic anhydride residue pipe-line transportation section device, includes stills (1), still includes pans (5), its characterized in that: the bottom of the distillation kettle (1) is connected with a residue delivery pump (P1) through a discharge line (2), the discharge line (2) is provided with a valve I (V1) and a valve II (V2), and the residue delivery pump (P1) is connected with an intermediate tank (5) through a residue delivery line (4) by a pipeline; a valve III (V3) is arranged on the residue conveying line (4);
the intermediate tank (5) is connected with a slicer feeding pump (P2) through a valve IV (V4) and a valve V (V5), the slicer feeding pump (P2) is connected with a rotary drum slicer (6) through a transfer conveying line (7), a stock bin (8) is connected below the rotary drum slicer (6), the stock bin (8) is connected with an exhaust fan (F1) through a blanking pipeline (9), and the exhaust fan (F1) is connected with a rotary kiln pipeline;
and a valve VI (V6) and a valve VII (V7) are arranged on the transfer conveying line (7).
2. The totally enclosed trimellitic anhydride residue pipeline transportation chip device according to claim 1, wherein: the rotary drum slicer (6) is connected with a cooling water circulating device through a water inlet valve (W1) and a water outlet valve (W2).
3. The method for using the totally enclosed trimellitic anhydride residue pipeline transportation slicing device according to claim 2, comprising the steps of:
step A, opening a heat-conducting oil inlet valve and an oil outlet valve on a conveying line, preheating pipelines, pumps, equipment, valves and the like on a residue conveying line, and simultaneously opening a low-pressure nitrogen valve to pre-purge and replace the residue conveying pipeline and the equipment;
step B, starting an exhaust fan (F1);
c, opening a valve I (V1) at the bottom of the distillation still (1) to be discharged, opening a valve II (V2), starting a residue delivery pump (P1), slowly opening a valve III (V3) serving as an outlet valve of the residue delivery pump, controlling the discharge flow through the valve, keeping the rated pressure of the residue delivery pump (P1), and pumping the residue in the distillation still (1) into an intermediate tank (5) through a residue delivery line (4);
d, starting the rotary drum slicing machine (6), starting a circulating cooling water inlet valve (W1) and a water outlet valve (W2) in the rotary drum, and keeping the operation state of the slicing machine;
e, opening a valve IV (V4) serving as a discharge valve at the bottom of the intermediate tank (5) and a valve V (V5) serving as a feeding valve of a slicer feeding pump (P2), starting the slicer feeding pump (P2), slowly opening a valve VI (V6) at the outlet of the slicer and a valve VII (V7) at the inlet of the rotary drum slicer (6), and controlling the feeding flow through the valve VII (V7);
and F, adjusting the distance between a rotary drum and a scraper of the rotary drum slicer (6), scraping the residues on the rotary drum after cooling and crystallization into powder, naturally dropping into a storage bin (8), sucking into the rotary kiln through an exhaust fan (F1), and burning at high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521033.6A CN111623359A (en) | 2020-06-10 | 2020-06-10 | Totally-enclosed type trimellitic anhydride residue pipeline conveying and slicing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521033.6A CN111623359A (en) | 2020-06-10 | 2020-06-10 | Totally-enclosed type trimellitic anhydride residue pipeline conveying and slicing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623359A true CN111623359A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010521033.6A Pending CN111623359A (en) | 2020-06-10 | 2020-06-10 | Totally-enclosed type trimellitic anhydride residue pipeline conveying and slicing device and method |
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| CN (1) | CN111623359A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141633A (en) * | 1991-11-25 | 1993-06-08 | Tanabe Kogyo Kk | Rotary kiln type waste incineration device |
| CN201697134U (en) * | 2010-06-22 | 2011-01-05 | 镇江正丹化学工业有限公司 | Trimellitic anhydride residue treatment device |
| CN202124584U (en) * | 2011-04-29 | 2012-01-25 | 安徽泰达新材料股份有限公司 | Trimellitic anhydride product |
| CN103539661A (en) * | 2013-11-05 | 2014-01-29 | 来安县万博丰环保科技有限公司 | Method for slicing oxidation residue of PTA (Purified Terephthalic Acid) device |
| CN203582478U (en) * | 2013-11-29 | 2014-05-07 | 山东润银生物化工股份有限公司 | Waste sulfur purification inner-cooling drum slicer |
| CN204958766U (en) * | 2015-07-15 | 2016-01-13 | 江苏联泰环保有限公司 | Phthalic anhydride cleaner production device |
| CN110836378A (en) * | 2019-11-29 | 2020-02-25 | 沈福昌 | Resource recovery incineration treatment method for fine terephthalic acid residue |
| CN212644632U (en) * | 2020-06-10 | 2021-03-02 | 安庆亿成化工科技有限公司 | Totally enclosed trimellitic anhydride residue pipeline transportation section device |
-
2020
- 2020-06-10 CN CN202010521033.6A patent/CN111623359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141633A (en) * | 1991-11-25 | 1993-06-08 | Tanabe Kogyo Kk | Rotary kiln type waste incineration device |
| CN201697134U (en) * | 2010-06-22 | 2011-01-05 | 镇江正丹化学工业有限公司 | Trimellitic anhydride residue treatment device |
| CN202124584U (en) * | 2011-04-29 | 2012-01-25 | 安徽泰达新材料股份有限公司 | Trimellitic anhydride product |
| CN103539661A (en) * | 2013-11-05 | 2014-01-29 | 来安县万博丰环保科技有限公司 | Method for slicing oxidation residue of PTA (Purified Terephthalic Acid) device |
| CN203582478U (en) * | 2013-11-29 | 2014-05-07 | 山东润银生物化工股份有限公司 | Waste sulfur purification inner-cooling drum slicer |
| CN204958766U (en) * | 2015-07-15 | 2016-01-13 | 江苏联泰环保有限公司 | Phthalic anhydride cleaner production device |
| CN110836378A (en) * | 2019-11-29 | 2020-02-25 | 沈福昌 | Resource recovery incineration treatment method for fine terephthalic acid residue |
| CN212644632U (en) * | 2020-06-10 | 2021-03-02 | 安庆亿成化工科技有限公司 | Totally enclosed trimellitic anhydride residue pipeline transportation section device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
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Inventor after: Zhang Chuankai Inventor after: Ding Yuanyuan Inventor before: Zhang Chuankai |