CN108302945A - A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat - Google Patents
A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat Download PDFInfo
- Publication number
- CN108302945A CN108302945A CN201810043435.2A CN201810043435A CN108302945A CN 108302945 A CN108302945 A CN 108302945A CN 201810043435 A CN201810043435 A CN 201810043435A CN 108302945 A CN108302945 A CN 108302945A
- Authority
- CN
- China
- Prior art keywords
- ammonium sulfate
- heat
- air
- cold air
- drying
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
- F26B3/0923—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by mechanical means, e.g. vibrated plate, stirrer
Abstract
The invention belongs to exhaust gas utilization technical fields, and in particular to a kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat.The system for carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat, including tube furnace, variable frequency adjustment air-heater and flue gas wind turbine, the tube furnace is connected to chimney heat exchanger, flue gas wind turbine sucks stack gases from tube furnace chimney segment, exhaust gas introduces chimney heat exchanger, the variable frequency adjustment air-heater sucks cold air to flue gas heat-exchange unit and exchanges heat, heating cold air, cold air soakage is adjusted by variable frequency adjustment air-heater, hot blast temperature after cold air exchanges heat is controlled, hot wind needed for vibratory liquefaction drying bed drying ammonium sulfate is supplied to.Advantage is：It saves dry ammonium sulfate and needs a large amount of heat sources consumed in the process, form hot wind by using waste gas residual heat, avoid its flue gas and be exhausted directly in air for a long time, cause energy loss, it is energy-saving, production cost is reduced, economic benefit is increased, promotes product competitiveness.
Description
Technical field
The invention belongs to exhaust gas utilization technical fields, and in particular to a kind of to carry out ammonium sulfate vibratory liquefaction using waste gas residual heat
Dry system.
Background technology
Most of large-scale coke-oven plant of China uses saturator method production ammonium sulfate to recycle the ammonia in coke-stove gas, this technique
In the ammonium sulfate of water content about 2.0% that is come out from centrifuge need moisture drying to 1.0% hereinafter, domestic overwhelming majority coking
Ammonium sulfate is dried using steam or conduction oil as heat source by enterprise, consumes mass energy.
And the tube furnace of the domestic all indispensable burning coke-stove gas of coke-oven plant's gas purification process, stack gases Land use systems
Limited, flue gas is exhausted directly in air for a long time, is wasted available exhaust gas heat source, is caused energy loss.Further to return
Receive tube-typed grate cigarette waste heat, improve the utilization ratio of system energy, invented it is a kind of using waste gas residual heat progress ammonium sulfate vibration
The system of fluidized drying, the new technology for sulphur ammonium drying are realized energy-saving.
Invention content
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of utilization for the utilization ratio improving system energy is useless
The system that gas waste heat carries out ammonium sulfate vibratory liquefaction drying.
The present invention is achieved through the following technical solutions：
It is a kind of using waste gas residual heat carry out ammonium sulfate vibratory liquefaction drying system, including tube furnace, variable frequency adjustment air-heater and
Flue gas wind turbine, the tube furnace are connected to chimney heat exchanger, and flue gas wind turbine sucks stack gases from tube furnace chimney segment, and exhaust gas draws
Enter chimney heat exchanger, the variable frequency adjustment air-heater sucks cold air to flue gas heat-exchange unit and exchanges heat, and heating cold air passes through frequency conversion
It adjusts air-heater and adjusts cold air soakage, hot blast temperature after control cold air heat exchange is supplied to vibratory liquefaction drying bed to dry
Hot wind needed for ammonium sulfate.
Further, the flue that the tube furnace is connected to chimney heat exchanger is equipped with motor-driven valve, PLC controller motor
Start stopping and electronic valve events, completes the system functions such as control, chain, automatic adjustment and display.
Further, the vibratory liquefaction drying bed carries out drainage emptying by air-introduced machine.
The beneficial effects of the invention are as follows：A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat of the present invention
Free tubular type kiln gas waste gas residual heat can be used, dry ammonium sulfate is saved and needs a large amount of heat sources consumed in the process, lead to
It crosses and forms hot wind using waste gas residual heat, avoid its flue gas and be exhausted directly in air for a long time, waste available exhaust gas heat source,
Energy loss is caused, it is energy-saving, production cost is reduced, economic benefit is increased, promotes product competitiveness.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Accompanying drawing 1 is the structural representation of the present invention.
In figure, 1 variable frequency adjustment air-heater, 2 chimney heat exchangers, 3 vibratory liquefaction drying beds, 4 air-introduced machines, 5 flue gas wind turbines, 6
Motor-driven valve, 7 tube furnaces.
Specific implementation mode
Attached drawing 1 is a kind of specific embodiment of the present invention.The invention is a kind of to carry out ammonium sulfate vibration stream using waste gas residual heat
Change dry system, including tube furnace 7, variable frequency adjustment air-heater 1 and flue gas wind turbine 5, the tube furnace 7 and chimney heat exchanger 2
Connection, flue gas wind turbine 5 suck stack gases from 7 chimney segment of tube furnace, and exhaust gas introduces chimney heat exchanger 2, the variable frequency adjustment heat
Wind turbine 1 sucks cold air to flue gas heat-exchange unit and exchanges heat, heating cold air, and cold air sucking is adjusted by variable frequency adjustment air-heater 1
Amount, hot blast temperature after control cold air heat exchange, is supplied to vibratory liquefaction drying bed 3 to dry hot wind needed for ammonium sulfate.
Further, the flue that the tube furnace 7 is connected to chimney heat exchanger 2 is equipped with motor-driven valve 6, PLC controller
Electric motor starting stops and motor-driven valve 6 acts, and completes the system functions such as control, chain, automatic adjustment and display.
Further, the vibratory liquefaction drying bed 3 carries out drainage emptying by air-introduced machine 4.
A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat of the invention, by chimney heat exchanger when use
2 systems are preposition, are displaced in factory by with tube furnace 7, and variable frequency adjustment air-heater 1 and flue gas wind turbine 5 are arranged in flue and change
2 both sides of hot device, on flue before chimney heat exchanger 2, variable frequency adjustment air-heater 1 exports hot wind and passes through pipe motor-driven valve 6
Road enters vibratory liquefaction drying bed 3, and flue gas wind turbine 5 sucks stack gases from 7 chimney segment of tube furnace, and exhaust gas introduces flue gas heat exchange
Device, variable frequency adjustment air-heater 1 suck cold air, exchange heat in flue gas heat-exchange unit, heating cold air is adjusted cold by frequency control
Air imbibed quantity controls sucking fume waste heat amount by motor-driven valve 6, and hot blast temperature after control cold air heat exchange is supplied to vibration
Hot wind needed for fluidizing drying bed 3 drying ammonium sulfate, field instrument signal enter PLC teletransmissions displays temperature, pressure, flow, motor
The parameter informations such as state, the stopping of PLC controller electric motor starting and motor-driven valve 6 act, and complete control, chain, automatic adjustment and show
The system functions such as show, using the hot-air system, is controlled by variable frequency adjustment air-heater 1, hot wind after heat exchanger can be precisely controlled
Temperature substitutes manual operation valve, realizes that hot blast temperature automatically controls.
The present invention is not limited to the above-described embodiments, anyone should learn make under the inspiration of the present invention with the present invention
With same or similar technical solution, each fall within protection scope of the present invention.
Technology that the present invention is not described in detail, shape, construction part are known technology.
Claims (3)
1. a kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat, including tube furnace, variable frequency adjustment air-heater
With flue gas wind turbine, which is characterized in that the tube furnace is connected to chimney heat exchanger, and flue gas wind turbine sucks cigarette from tube furnace chimney segment
Road exhaust gas, exhaust gas introduce chimney heat exchanger, and the variable frequency adjustment air-heater sucks cold air to flue gas heat-exchange unit and exchanges heat, and heating is cold
Air adjusts cold air soakage by variable frequency adjustment air-heater, and hot blast temperature after control cold air heat exchange is supplied to vibration to flow
Change hot wind needed for drying bed drying ammonium sulfate.
2. a kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat according to claim 1, feature
It is：The flue that the tube furnace is connected to chimney heat exchanger is equipped with motor-driven valve, and PLC controller electric motor starting stops and electricity
Dynamic valve events complete the system functions such as control, chain, automatic adjustment and display.
3. a kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat according to claim 1, feature
It is：The vibratory liquefaction drying bed carries out drainage emptying by air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043435.2A CN108302945A (en) | 2018-01-17 | 2018-01-17 | A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043435.2A CN108302945A (en) | 2018-01-17 | 2018-01-17 | A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302945A true CN108302945A (en) | 2018-07-20 |
Family
ID=62865659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043435.2A Pending CN108302945A (en) | 2018-01-17 | 2018-01-17 | A kind of system carrying out ammonium sulfate vibratory liquefaction drying using waste gas residual heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302945A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771906U (en) * | 2014-03-31 | 2014-08-13 | 济钢集团有限公司 | Device for drying ammonium sulfate by recycling flue gas generated from crude benzene production |
| CN104215076A (en) * | 2014-08-19 | 2014-12-17 | 南京钢铁股份有限公司 | Device and method utilizing smoke residual heat of coking pipe type furnace to dry ammonium sulphate |
| CN204352726U (en) * | 2014-12-26 | 2015-05-27 | 浙江西子联合工程有限公司 | Water coal-pulp smoke cleaning system |
-
2018
- 2018-01-17 CN CN201810043435.2A patent/CN108302945A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771906U (en) * | 2014-03-31 | 2014-08-13 | 济钢集团有限公司 | Device for drying ammonium sulfate by recycling flue gas generated from crude benzene production |
| CN104215076A (en) * | 2014-08-19 | 2014-12-17 | 南京钢铁股份有限公司 | Device and method utilizing smoke residual heat of coking pipe type furnace to dry ammonium sulphate |
| CN204352726U (en) * | 2014-12-26 | 2015-05-27 | 浙江西子联合工程有限公司 | Water coal-pulp smoke cleaning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |