CN104501184A - Salt-containing liquid waste incineration and recovery system - Google Patents
Salt-containing liquid waste incineration and recovery system Download PDFInfo
- Publication number
- CN104501184A CN104501184A CN201410785453.XA CN201410785453A CN104501184A CN 104501184 A CN104501184 A CN 104501184A CN 201410785453 A CN201410785453 A CN 201410785453A CN 104501184 A CN104501184 A CN 104501184A
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- Prior art keywords
- air
- tower
- recovery system
- salt
- membrane
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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
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/101—Waste liquor
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to a salt-containing liquid waste incineration and recovery system. The salt-containing liquid waste incineration and recovery system comprises a membrane-wall furnace body, a semi-dry quench tower, a Venturi reactor, an air chamber type bag dust collector, a spray scrubber, an absorption tower and a detached chimney. The membrane-wall furnace body is connected with a membrane-wall boiler through a membrane-wall flue, a smoke outlet of the membrane-wall boiler is connected with a gas inlet of the semi-dry quench tower, an atomization device is arranged at the top of the semi-dry quench tower and is used for atomization by using a quench pump for extracting alkali liquor in an alkali liquor pond, and a liquid waste outlet formed in the bottom of the semi-dry quench tower leads to a drainage pipeline. The salt-containing liquid waste incineration and recovery system has the advantages that since a membrane-wall furnace is used for incineration and heat exchange, utilization ratio of waste heat obtained by liquid waste incineration is increased effectively, the defect of proneness to blockage of a traditional furnace shape can be overcome, and waste discharge is smooth; by the aid of heat insulation materials, corrosion to the furnace body is reduced greatly, and service life of the furnace body is prolonged; besides, 15-20% of salt content can be recovered, and liquid waste treatment cost is lowered.
Description
Technical field
The present invention relates to a kind of incineration disposal device, a kind of salt bearing liquid wastes burns and recovery system specifically, belongs to environmental protection equipment technical field.
Background technology
Along with industrial expansion, the high-concentration hardly-degradable organic liquid waste of the industry such as pharmacy, chemical industry discharge is increasing, processes just discharge will cause severe contamination to environment if do not carried out.This component of effluent is normally: the salt of saturation state, partial organic substances, all the other are water.Although adopt traditional treatment technology effectively can remove the pollutant such as COD, N, P in waste liquid, the more energy and resource to be consumed in processing procedure, in addition, also can produce a large amount of excess sludges.Visible, this method for treating waste liquid is length consuming time, weak effect not only, and the operational management of equipment is also comparatively complicated.In recent years, adopt burning method to dispose waste liquid and more and more receive the concern of people, it is that the waste liquid containing high-enriched organics is at high temperature carried out oxidation Decomposition, makes organic matter be converted into the innocuous substance such as water, carbon dioxide.This method for treating waste liquid both can reduce processing cost, also the heat that organic liquid waste itself is contained can be recycled, reached the object of comprehensive utilization of waste materials.At present, be that the conventional incineration type of furnace is easily tied stifled for the burning method main Problems existing that disposes waste liquid, it is low that refractory material easily corrodes service life, and waste discharge is more difficult.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of salt bearing liquid wastes to burn and recovery system, has burning time short, the feature that efficiency of combustion is high, energy-saving and cost-reducing.
In order to solve above technical problem, the invention provides a kind of salt bearing liquid wastes to burn and recovery system, comprise membrane wall furnace body, half-dried quench tower, venturi reactor, air-box type sack cleaner, spray scrubber, absorption tower and free-standing chimney, it is characterized in that: described membrane wall furnace body is connected with film-type wall boiler by membrane wall flue, described film-type wall boiler outlet flue is connected with half-dried quench tower air inlet, described half-dried quench tower top is provided with atomising device, the alkali lye that described atomising device is extracted in alkali lye pond by quench pump is atomized, be provided with waste liquid outlet bottom described half-dried quench tower and lead to blowdown pipeline, the gas outlet of described half-dried quench tower is connected with the air inlet of described venturi reactor, and the charge door of venturi reactor is provided with the discharger adding charcoal lime, and the air inlet of described venturi reactor is connected with Roots blower, the air inlet of described air-box type sack cleaner is connected respectively at described venturi reactor and air-introduced machine with gas outlet, and the ash hole of described air-box type bag-type dust installs discharger, the air outlet of described air-introduced machine is connected with described spray scrubber by pipeline, described spray scrubber gas outlet is connected with free-standing chimney by described scrubbing tower, the spray liquid that the spray equipment on described spray scrubber and absorption tower extracts in circulatory pool by spray pump sprays, and the bottom on described spray scrubber and absorption tower is provided with liquid outlet leads to described circulatory pool.
The technical scheme that the present invention limits further is: aforesaid salt bearing liquid wastes burns and recovery system, the air inlet of described air-box type sack cleaner is all connected with compressed air with gas outlet, in order to remove the dust in sack cleaner on cloth bag, improve the efficiency of dust collection of sack cleaner.
Aforesaid salt bearing liquid wastes burns and recovery system, and described spray scrubber is made up of the first scrubbing tower and the second scrubbing tower two-stage, and described second wash tower bottoms liquid outlet is connected with described first scrubbing tower top inlet.
Aforesaid salt bearing liquid wastes burns and recovery system, and in order to improve the atomizing effect of atomizer, the atomising device of described half-dried quench tower is connected with compressed air.
Aforesaid salt bearing liquid wastes burns and recovery system, and described air-introduced machine is provided with cooling water intake-outlet, for lowering the temperature to air-introduced machine.
Further, aforesaid salt bearing liquid wastes burns and recovery system, and described discharger is Star-like unloader.
The invention has the beneficial effects as follows:
The present invention is undertaken burning and heat exchange by membrane type fireplace, effectively improves the utilization rate of waste heat of liquid waste incineration, can solve the susceptible to plugging defect of traditional burner shape simultaneously, and waste discharge ratio smoothly; Owing to adopting insulation material, greatly reduce the corrosivity of body of heater, improve the service life of body of heater, the salt content of recyclable 15%-20% in addition, reduces the cost of liquid waste processing.
Accompanying drawing explanation
Fig. 1 is FB(flow block) of the present invention.
Detailed description of the invention
embodiment 1
A kind of salt bearing liquid wastes that the present embodiment provides burns and recovery system, structure as shown in Figure 1, comprise membrane wall furnace body, half-dried quench tower, venturi reactor, air-box type sack cleaner, spray scrubber, absorption tower and free-standing chimney, membrane wall furnace body is connected with film-type wall boiler by membrane wall flue, film-type wall boiler outlet flue is connected with half-dried quench tower air inlet, half-dried quench tower top is provided with atomising device, the alkali lye that atomising device is extracted in alkali lye pond by quench pump is atomized, and is provided with waste liquid outlet and leads to blowdown pipeline bottom half-dried quench tower; The gas outlet of half-dried quench tower is connected with the air inlet of venturi reactor, and the charge door of venturi reactor is provided with the Star-like unloader of adding charcoal lime, and the air inlet of venturi reactor is connected with Roots blower; The air inlet of air-box type sack cleaner is connected respectively at venturi reactor and air-introduced machine with gas outlet, the air inlet of air-box type sack cleaner is all connected with compressed air with gas outlet, in order to remove the dust in sack cleaner on cloth bag, improve the efficiency of dust collection of sack cleaner, the ash hole of air-box type bag-type dust installs Star-like unloader; The air outlet of air-introduced machine is connected with spray scrubber by pipeline, spray scrubber gas outlet is connected with free-standing chimney by scrubbing tower, spray scrubber is made up of the first scrubbing tower and the second scrubbing tower two-stage, second wash tower bottoms liquid outlet is connected with the first scrubbing tower top inlet, the spray liquid that the spray equipment on spray scrubber and absorption tower extracts in circulatory pool by spray pump sprays, and the bottom on spray scrubber and absorption tower is provided with liquid outlet leads to circulatory pool.
The operation principle of the present embodiment: waste liquid is heat exchange after film-type wall boiler burns, by the heat recovery and utilization produced; The flue gas produced carries out spraying cooling by half-dried quench tower, flue gas after cooling passes into venturi reactor and adds charcoal lime and react, reacted dusty gas carries out dust removal operation by sack cleaner, follow-up tail gas carries out disappearing acid treatment by make a gift to someone scrubbing tower and absorption tower of air-introduced machine, is directly discharged after tail gas is up to standard by chimney.。
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. a salt bearing liquid wastes burns and recovery system, comprise membrane wall furnace body, half-dried quench tower, venturi reactor, air-box type sack cleaner, spray scrubber, absorption tower and free-standing chimney, it is characterized in that: described membrane wall furnace body is connected with film-type wall boiler by membrane wall flue, described film-type wall boiler outlet flue is connected with half-dried quench tower air inlet, described half-dried quench tower top is provided with atomising device, the alkali lye that described atomising device is extracted in alkali lye pond by quench pump is atomized, be provided with waste liquid outlet bottom described half-dried quench tower and lead to blowdown pipeline, the gas outlet of described half-dried quench tower is connected with the air inlet of described venturi reactor, and the charge door of venturi reactor is provided with the discharger adding charcoal lime, and the air inlet of described venturi reactor is connected with Roots blower, the air inlet of described air-box type sack cleaner is connected respectively at described venturi reactor and air-introduced machine with gas outlet, and the ash hole of described air-box type bag-type dust installs discharger, the air outlet of described air-introduced machine is connected with described spray scrubber by pipeline, described spray scrubber gas outlet is connected with free-standing chimney by described scrubbing tower, the spray liquid that the spray equipment on described spray scrubber and absorption tower extracts in circulatory pool by spray pump sprays, and the bottom on described spray scrubber and absorption tower is provided with liquid outlet leads to described circulatory pool.
2. salt bearing liquid wastes according to claim 1 burns and recovery system, it is characterized in that: the air inlet of described air-box type sack cleaner is all connected with compressed air with gas outlet.
3. salt bearing liquid wastes according to claim 1 burns and recovery system, and it is characterized in that: described spray scrubber is made up of the first scrubbing tower and the second scrubbing tower two-stage, described second wash tower bottoms liquid outlet is connected with described first scrubbing tower top inlet.
4. salt bearing liquid wastes according to claim 1 burns and recovery system, it is characterized in that: the atomising device of described half-dried quench tower is connected with compressed air.
5. salt bearing liquid wastes according to claim 1 burns and recovery system, it is characterized in that: described air-introduced machine is provided with cooling water intake-outlet.
6. salt bearing liquid wastes according to claim 1 burns and recovery system, it is characterized in that: described discharger is Star-like unloader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785453.XA CN104501184A (en) | 2014-12-16 | 2014-12-16 | Salt-containing liquid waste incineration and recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785453.XA CN104501184A (en) | 2014-12-16 | 2014-12-16 | Salt-containing liquid waste incineration and recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN104501184A true CN104501184A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410785453.XA Pending CN104501184A (en) | 2014-12-16 | 2014-12-16 | Salt-containing liquid waste incineration and recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458623A (en) * | 2018-11-23 | 2019-03-12 | 大连科林能源工程技术开发有限公司 | A kind of high chlorinated waste water burning environmental protection and energy saving exhaust system of high saliferous |
| CN114405968A (en) * | 2022-03-11 | 2022-04-29 | 江苏碳峰蓝节能科技有限公司 | In-situ oxidation hazardous waste disposal system |
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| US3980758A (en) * | 1972-12-22 | 1976-09-14 | Hoechst Aktiengesellschaft | Process for the combustion of chlorine containing wastes |
| CN101634453A (en) * | 2009-08-31 | 2010-01-27 | 北京航天动力研究所 | Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine |
| CN102588980A (en) * | 2012-03-07 | 2012-07-18 | 大连科林能源工程技术开发有限公司 | Incineration boiler for saline waste liquid |
| CN202598539U (en) * | 2012-05-11 | 2012-12-12 | 冯国宇 | Incinerator of waste rotary kiln |
| CN203483990U (en) * | 2013-08-19 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Portable adjustable filtering bag dust-cleaning device |
| CN204345666U (en) * | 2014-12-16 | 2015-05-20 | 江苏百茂源环保科技有限公司 | A kind of salt bearing liquid wastes burns and retracting device |
-
2014
- 2014-12-16 CN CN201410785453.XA patent/CN104501184A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980758A (en) * | 1972-12-22 | 1976-09-14 | Hoechst Aktiengesellschaft | Process for the combustion of chlorine containing wastes |
| CN101634453A (en) * | 2009-08-31 | 2010-01-27 | 北京航天动力研究所 | Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine |
| CN102588980A (en) * | 2012-03-07 | 2012-07-18 | 大连科林能源工程技术开发有限公司 | Incineration boiler for saline waste liquid |
| CN202598539U (en) * | 2012-05-11 | 2012-12-12 | 冯国宇 | Incinerator of waste rotary kiln |
| CN203483990U (en) * | 2013-08-19 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Portable adjustable filtering bag dust-cleaning device |
| CN204345666U (en) * | 2014-12-16 | 2015-05-20 | 江苏百茂源环保科技有限公司 | A kind of salt bearing liquid wastes burns and retracting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458623A (en) * | 2018-11-23 | 2019-03-12 | 大连科林能源工程技术开发有限公司 | A kind of high chlorinated waste water burning environmental protection and energy saving exhaust system of high saliferous |
| CN109458623B (en) * | 2018-11-23 | 2023-12-22 | 大连科林能源工程技术开发有限公司 | High-salt-content high-chlorine-content organic waste liquid incineration environment-friendly energy-saving discharge system |
| CN114405968A (en) * | 2022-03-11 | 2022-04-29 | 江苏碳峰蓝节能科技有限公司 | In-situ oxidation hazardous waste disposal system |
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Application publication date: 20150408 |
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