CN106765215A - A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment - Google Patents
A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment Download PDFInfo
- Publication number
- CN106765215A CN106765215A CN201710033567.2A CN201710033567A CN106765215A CN 106765215 A CN106765215 A CN 106765215A CN 201710033567 A CN201710033567 A CN 201710033567A CN 106765215 A CN106765215 A CN 106765215A
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- CN
- China
- Prior art keywords
- exhaust gas
- treating device
- gas treating
- heat
- formaldehyde
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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.)
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Classifications
-
- 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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The present invention relates to a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment, belong to comprehensive utilization of energy technical field.Technical scheme is：Formaldehyde Production system（1）Formaldehyde exhaust pipe（2）It is connected with exhaust gas treating device, exhaust gas treating device top connects exhaust gas treating device air-introduced machine by exhaust pipe（8）；The exhaust gas treating device drum（3）Connection wood industry steam pipe system（11）；The exhaust gas treating device air-introduced machine（8）Connection wood industry drying duct（12）, heat-conducting oil furnace（9）By heat-conducting oil furnace air-introduced machine（10）Also with wood industry drying duct（12）Connection.The present invention is by the steam and heat smoke needed for workshop section after being produced after exhaust gas treating device burns formaldehyde tail gas centralized recovery, avoid the waste that the burning that available gas composition hydrogen in formaldehyde tail gas releases flare is caused, make this part resource fully reclaim generation heat energy again to meet glue, defibrator process, dry the demand in post, more than 60% steam consumption can be saved.
Description
Technical field
The present invention relates to a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment, belong to comprehensive utilization of energy
Technical field.
Background technology
In current density board production system, formaldehyde, glue, defibrator process, fiber drying, heat-conducting oil furnace are several relatively only
The general isolated operation of vertical post, especially formaldehyde production device, it is unrelated with other posies, only for glue production provides original
Material formaldehyde；And glue provides qualified adhesive for density board production process；Defibrator process and fiber drying are density board production processes
In two links.For many years, these posies all independent operatings, independent accounts, not the least concerned, and are produced in formaldehyde production
Formaldehyde tail gas in containing 19~21% hydrogen and micro other compositions, these tail gas major part enterprise is all directly using putting
Sky, torch burning is a serious waste so to available gas composition hydrogen, and directly emptying is also to air after burning
Pollution.In addition, heat-conducting oil furnace is only for hot pressing post provides conduction oil, the flue gas for producing that burns directly is discharged after treatment,
Heat energy in flue gas can not be recycled utilization.And glue and density board defibrator process post need substantial amounts of steam, fiber drying
Being also required to steam heating air produces hot-air to be dried fiber, and the source of these steam is mainly by heating center
The boiler being separately provided is provided, and so results in high energy consumption, and available resources are largely wasted.
The content of the invention
It is an object of the invention to provide a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment, process is simple
Easy transformation, investment cost is low, has both fully reclaimed available resources, it is to avoid the waste of the energy, has saved steam consumption, also avoids
Formaldehyde tail gas directly to idle discharge put and directly pollution of the discharge to air of heat-conducting oil furnace flue gas by burning, solves to be deposited in background technology
Above mentioned problem.
The technical scheme is that：
A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy equipment, comprising Formaldehyde Production system, formaldehyde exhaust pipe, vent gas treatment
Device drum, exhaust gas treating device, exhaust gas treating device air blower, exhaust gas treating device air-introduced machine, heat-conducting oil furnace, heat-conducting oil furnace air-introduced machine,
Wood industry steam pipe system, wood industry drying duct；The formaldehyde exhaust pipe of Formaldehyde Production system is connected with exhaust gas treating device, the tail gas
Processor is to include combustion chamber, preheating section and heat exchanging segment, and combustion chamber is located at heat exchanging segment lower section, and preheating section is arranged on heat exchanging segment
Side, preheating section connects exhaust gas treating device air blower by air duct, and heat exchanging segment connects exhaust gas treating device vapour by hot water pipeline
Bag, exhaust gas treating device top connects exhaust gas treating device air-introduced machine by exhaust pipe；The exhaust gas treating device drum connects wood industry
Steam pipe system；The exhaust gas treating device air-introduced machine connects wood industry drying duct, heat-conducting oil furnace by heat-conducting oil furnace air-introduced machine also with
Wood industry drying duct is connected.
The formaldehyde exhaust pipe is connected with the preheating section of exhaust gas treating device.
The heat exchanging segment is provided with heat exchanger, is connected with exhaust gas treating device drum by hot water pipeline.
A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology, comprise the following steps：
The formaldehyde tail gas centralized recovery that will be vented, is sent in exhaust gas treating device and is burnt；
The exhaust gas treating device is to include combustion chamber, preheating section and heat exchanging segment, and combustion chamber is located at heat exchanging segment lower section, preheating section arrangement
Above heat exchanging segment, preheating section connects exhaust gas treating device air blower by air duct, and heat exchanging segment connects tail by hot water pipeline
Treatment apparatus drum, exhaust gas treating device top connects exhaust gas treating device air-introduced machine by exhaust pipe；The exhaust gas treating device vapour
Bag connection wood industry steam pipe system；The exhaust gas treating device air-introduced machine connects wood industry drying duct, and heat-conducting oil furnace passes through heat-conducting oil furnace
Air-introduced machine is also connected with wood industry drying duct；
Formaldehyde tail gas is admitted to the preheating section of exhaust gas treating device, into combustion chambers burn, is exchanged heat with heat exchanger, heating heat
Water, is circulated by thermodynamic acting in exhaust gas treating device drum and heat exchanging segment, produces the steam of 1.3MPa to send wood industry to steam
Steam pipe net, as glue, defibrator process, dries the thermal source in post；
Meanwhile, cold air is sent into preheating section by exhaust gas treating device air blower；
The flue gas of combustion chamber is preheated to the air and formaldehyde tail gas that enter respectively by entering preheating section after heat exchanging segment, is carried
The efficiency of combustion of combustion chamber high；The flue gas of combustion chamber is further lowered the temperature by preheating section, to 140 DEG C after draw into exhaust gas treating device
Blower fan, by exhaust gas treating device air-introduced machine pressurize after heat smoke, with heat-conducting oil furnace air-introduced machine pressurization after heat smoke together with by
Wood industry drying system is sent further with having saved drying system steam consumption.
Special feature of the invention is the exhaust gas treating device for setting formaldehyde, and formaldehyde tail gas centralized recovery is sent into vent gas treatment
Burning in device, the warm flue gas heat high of generation absorbs feeding exhaust gas treating device drum by hot water；The steam of generation is used as wood industry
Glue, defibrator process, the thermal source for drying post.The flue gas and heat-conducting oil furnace fume afterheat for being exchanged heat by hot water simultaneously can be used for doing
Drying system, saves drying system steam consumption.
The positive effect of the present invention is：For density board produce each post the characteristics of and to the demand of heat energy, PARA FORMALDEHYDE PRILLS(91,95), system
Glue, defibrator process, dry using energy source and integrated, the work after being produced after exhaust gas treating device burns formaldehyde tail gas centralized recovery
The steam and heat smoke of Duan Suoxu, it is to avoid the wave that the burning that available gas composition hydrogen is released flare in formaldehyde tail gas is caused
Take, this part resource is fully reclaimed generation heat energy again and meet glue, defibrator process, the demand in post dried, also to heat-conducting oil furnace
Fume afterheat is reclaimed, and can save more than 60% steam consumption.
Brief description of the drawings
Fig. 1 is present invention process schematic flow sheet；
In figure：Formaldehyde Production system 1, formaldehyde exhaust pipe 2, exhaust gas treating device drum 3, combustion chamber 4, heat exchanging segment 5, preheating section 6,
Exhaust gas treating device air blower 7, exhaust gas treating device air-introduced machine 8, heat-conducting oil furnace 9, heat-conducting oil furnace air-introduced machine 10, wood industry steam pipe system
11st, wood industry drying duct 12.
Specific embodiment
Below in conjunction with the accompanying drawings, by embodiment, the present invention will be further described.
A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy equipment, comprising Formaldehyde Production system 1, formaldehyde exhaust pipe 2, tail
Treatment apparatus drum 3, exhaust gas treating device, exhaust gas treating device air blower 7, exhaust gas treating device air-introduced machine 8, heat-conducting oil furnace 9, conduction oil
Stove air-introduced machine 10, wood industry steam pipe system 11, wood industry drying duct 12；At the formaldehyde exhaust pipe 2 and tail gas of Formaldehyde Production system 1
Reason device connection, the exhaust gas treating device is to include combustion chamber 4, preheating section 6 and heat exchanging segment 5, and combustion chamber 4 is located at the lower section of heat exchanging segment 5,
Preheating section 6 is arranged in the top of heat exchanging segment 5, and preheating section 6 connects exhaust gas treating device air blower 7 by air duct, and heat exchanging segment 5 passes through
Hot water pipeline connection exhaust gas treating device drum 3, exhaust gas treating device top connects exhaust gas treating device air-introduced machine 8 by exhaust pipe；
The connection wood industry of exhaust gas treating device drum 3 steam pipe system 11；The exhaust gas treating device air-introduced machine 8 connects wood industry drying duct
12, heat-conducting oil furnace 9 is also connected by heat-conducting oil furnace air-introduced machine 10 with wood industry drying duct 12.
The formaldehyde exhaust pipe 2 is connected with the preheating section 6 of exhaust gas treating device.
The heat exchanging segment 5 is provided with heat exchanger, is connected with exhaust gas treating device drum 3 by hot water pipeline.
A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology, comprise the following steps：
The formaldehyde tail gas centralized recovery that will be vented, is sent in exhaust gas treating device and is burnt；
The exhaust gas treating device is to include combustion chamber 4, preheating section 6 and heat exchanging segment 5, and combustion chamber 4 is located at the lower section of heat exchanging segment 5, preheating
Section 6 is arranged in the top of heat exchanging segment 5, and preheating section 6 connects exhaust gas treating device air blower 7 by air duct, and heat exchanging segment 5 passes through hot water
Pipeline connection exhaust gas treating device drum 3, exhaust gas treating device top connects exhaust gas treating device air-introduced machine 8 by exhaust pipe；It is described
The connection wood industry of exhaust gas treating device drum 3 steam pipe system 11；The connection wood industry of exhaust gas treating device air-introduced machine 8 drying duct 12, leads
Hot oil furnace 9 is also connected by heat-conducting oil furnace air-introduced machine 10 with wood industry drying duct 12；
Formaldehyde tail gas is admitted to the preheating section 6 of exhaust gas treating device, is burnt into combustion chamber 4, is exchanged heat with heat exchanger, heating heat
Water, is circulated by thermodynamic acting in exhaust gas treating device drum 3 and heat exchanging segment, produces the steam of 1.3MPa to send wood industry to steam
Steam pipe net, as glue, defibrator process, dries the thermal source in post；
Meanwhile, cold air is sent into preheating section 6 by exhaust gas treating device air blower 7；
The flue gas of combustion chamber is preheated to the air and formaldehyde tail gas that enter respectively by entering preheating section 6 after heat exchanging segment 5,
Improve the efficiency of combustion of combustion chamber；The flue gas of combustion chamber is further lowered the temperature by preheating section, to 140 DEG C after enter exhaust gas treating device
Air-introduced machine, the heat smoke after exhaust gas treating device air-introduced machine pressurizes, together with the heat smoke after the pressurization of heat-conducting oil furnace air-introduced machine
Wood industry drying system is sent further with having saved drying system steam consumption.
Referring to the drawings 1, embodiment of the present invention process flow diagram, exhaust gas treating device will be put in Formaldehyde Production system 1
The formaldehyde tail gas centralized recovery of empty torch burning, through being burnt in the feeding exhaust gas treating device of formaldehyde exhaust pipe 2, burning is produced
Heat smoke the heat hot water of heat exchanging segment 5 is first passed through in exhaust gas treating device, by it is thermodynamic act on exhaust gas treating device drum 3,
Is circulated in heat exchanging segment 5, produces the steam of 1.3MPa to send wood industry steam pipe system 11, as glue, defibrator process, dry the heat in post
Source.Formaldehyde tail gas is admitted to exhaust gas treating device preheating section 6, and cold air is sent into preheating section 6 by exhaust gas treating device air blower 7；Burning
By after heat exchanging segment 5, air and formaldehyde tail gas into preheating section 6 respectively to entering combustion chamber are preheated the heat smoke of room,
Improve the efficiency of combustion of combustion chamber；The heat smoke of combustion chamber is further lowered the temperature by preheating section, to after 140 DEG C, at tail gas
Reason device air-introduced machine 8, the heat smoke one after exhaust gas treating device air-introduced machine 8 pressurizes heat smoke and the pressurization of heat-conducting oil furnace air-introduced machine 10
Rise and sent wood industry drying duct 12 further with having saved the steam consumption of drying system.
Special feature of the invention is to set exhaust gas treating device, and formaldehyde tail gas centralized recovery is sent into exhaust gas treating device internal combustion
Burn, the warm flue gas heat high of generation absorbs feeding exhaust gas treating device drum 3 by hot water；The steam feeding wood industry steam pipe of generation
Net 11 as glue, defibrator process, dry the thermal source in post.The flue gas and heat-conducting oil furnace fume afterheat for being exchanged heat by hot water simultaneously also may be used
For drying system, drying system steam consumption is saved.
The characteristics of present invention is for each post and to the demand of heat energy, PARA FORMALDEHYDE PRILLS(91,95), glue, defibrator process, dries using energy source and enters
Go integration, develop a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment.Will by formaldehyde exhaust gas treating device
Steam and heat smoke after being produced after the burning of formaldehyde tail gas centralized recovery needed for workshop section, it is to avoid in formaldehyde tail gas available gas into
The waste for dividing the burning of hydrogen gas automatic blow down torch to cause, makes this part resource fully reclaim generation heat energy and meets glue, defibrator process, does again
The demand in dry post, also the fume afterheat to heat-conducting oil furnace reclaimed, more than 60% steam consumption can be saved.
Claims (4)
1. a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy equipment, it is characterised in that：Comprising Formaldehyde Production system（1）, formaldehyde tail
Feed channel（2）, exhaust gas treating device drum（3）, exhaust gas treating device, exhaust gas treating device air blower（7）, exhaust gas treating device air-introduced machine
（8）, heat-conducting oil furnace（9）, heat-conducting oil furnace air-introduced machine（10）, wood industry steam pipe system（11）With wood industry drying duct（12）；Formaldehyde is given birth to
Product system（1）Formaldehyde exhaust pipe（2）It is connected with exhaust gas treating device, the exhaust gas treating device is to include combustion chamber（4）, preheating
Section（6）And heat exchanging segment（5）, combustion chamber（4）Positioned at heat exchanging segment（5）Lower section, preheating section（6）It is arranged in heat exchanging segment（5）Top, preheating
Section（6）Exhaust gas treating device air blower is connected by air duct（7）, heat exchanging segment（5）Exhaust gas treating device is connected by hot water pipeline
Drum（3）, exhaust gas treating device top connects exhaust gas treating device air-introduced machine by exhaust pipe（8）；The exhaust gas treating device drum
（3）Connection wood industry steam pipe system（11）；The exhaust gas treating device air-introduced machine（8）Connection wood industry drying duct（12）, heat-conducting oil furnace
（9）By heat-conducting oil furnace air-introduced machine（10）Also with wood industry drying duct（12）Connection.
2. a kind of chemical industry formaldehyde according to claim 1, wood industry comprehensive utilization of energy equipment, it is characterised in that：The first
Aldehyde exhaust pipe（2）With the preheating section of exhaust gas treating device（6）Connection.
3. a kind of chemical industry formaldehyde according to claim 1 and 2, wood industry comprehensive utilization of energy equipment, it is characterised in that：It is described
Heat exchanging segment（5）Heat exchanger is provided with, by hot water pipeline and exhaust gas treating device drum（3）Connection.
4. a kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology, it is characterised in that comprise the following steps：
The formaldehyde tail gas centralized recovery that will be vented, is sent in exhaust gas treating device and is burnt；
The exhaust gas treating device is to include combustion chamber（4）, preheating section（6）And heat exchanging segment（5）, combustion chamber（4）Positioned at heat exchanging segment（5）
Lower section, preheating section（6）It is arranged in heat exchanging segment（5）Top, preheating section（6）Exhaust gas treating device air blower is connected by air duct
（7）, heat exchanging segment（5）Exhaust gas treating device drum is connected by hot water pipeline（3）, exhaust gas treating device top is connected by exhaust pipe
Exhaust gas treating device air-introduced machine（8）；The exhaust gas treating device drum（3）Connection wood industry steam pipe system（11）；The exhaust gas treating device
Air-introduced machine（8）Connection wood industry drying duct（12）, heat-conducting oil furnace（9）By heat-conducting oil furnace air-introduced machine（10）Also with wood industry drying tube
Road（12）Connection；
Formaldehyde tail gas is admitted to the preheating section of exhaust gas treating device（6）, into combustion chamber（4）Burning, is exchanged heat with heat exchanger, plus
Hot water, exhaust gas treating device drum is acted on by thermodynamic（3）It is circulated with heat exchanging segment, produces the steam of 1.3MPa to send
Wood industry steam pipe system, as glue, defibrator process, dries the thermal source in post；
Meanwhile, exhaust gas treating device air blower（7）Cold air is sent into preheating section（6）；
The flue gas of combustion chamber is by heat exchanging segment（5）Enter preheating section afterwards（6）, the air and formaldehyde tail gas that enter are carried out respectively pre-
Heat, improves the efficiency of combustion of combustion chamber；The flue gas of combustion chamber is further lowered the temperature by preheating section, to 140 DEG C after enter tail gas at
Reason device air-introduced machine, the heat smoke after the heat smoke after exhaust gas treating device air-introduced machine pressurizes, with the pressurization of heat-conducting oil furnace air-introduced machine
Wood industry drying system is sent together further with having saved drying system steam consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033567.2A CN106765215A (en) | 2017-01-18 | 2017-01-18 | A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033567.2A CN106765215A (en) | 2017-01-18 | 2017-01-18 | A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106765215A true CN106765215A (en) | 2017-05-31 |
Family
ID=58947119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033567.2A Withdrawn CN106765215A (en) | 2017-01-18 | 2017-01-18 | A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy new technology and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106765215A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872119Y (en) * | 2005-09-16 | 2007-02-21 | 邢彤 | Environmental-protective kiln for drying wood by fumigation |
| CN202470078U (en) * | 2012-02-14 | 2012-10-03 | 湖北三江化工有限责任公司 | Energy-saving system using formaldehyde tail gas |
| CN104266200A (en) * | 2014-09-16 | 2015-01-07 | 江苏凯茂石化科技有限公司 | Tail gas processor in formaldehyde device |
| CN206398732U (en) * | 2017-01-18 | 2017-08-11 | 河北凯跃化工集团有限公司 | A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy equipment |
-
2017
- 2017-01-18 CN CN201710033567.2A patent/CN106765215A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872119Y (en) * | 2005-09-16 | 2007-02-21 | 邢彤 | Environmental-protective kiln for drying wood by fumigation |
| CN202470078U (en) * | 2012-02-14 | 2012-10-03 | 湖北三江化工有限责任公司 | Energy-saving system using formaldehyde tail gas |
| CN104266200A (en) * | 2014-09-16 | 2015-01-07 | 江苏凯茂石化科技有限公司 | Tail gas processor in formaldehyde device |
| CN206398732U (en) * | 2017-01-18 | 2017-08-11 | 河北凯跃化工集团有限公司 | A kind of chemical industry formaldehyde, wood industry comprehensive utilization of energy equipment |
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Application publication date: 20170531 |