CN111841207A - Sludge drying machine outlet tail gas treatment system and method - Google Patents
Sludge drying machine outlet tail gas treatment system and method Download PDFInfo
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- CN111841207A CN111841207A CN202010689169.8A CN202010689169A CN111841207A CN 111841207 A CN111841207 A CN 111841207A CN 202010689169 A CN202010689169 A CN 202010689169A CN 111841207 A CN111841207 A CN 111841207A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a tail gas treatment system at an outlet of a sludge drying machine, which comprises a spraying flushing device, a water-cooled condenser, a tail gas fan, a clarifier, a circulating flushing water tank, a circulating flushing water pump, a bottom sludge conveying pump and a wet sludge bin; the tail gas outlet of the spraying and flushing device is connected to the tail gas inlet of the water-cooled condenser, and the tail gas outlet of the water-cooled condenser is connected to a boiler blower through a tail gas fan; a water outlet at the bottom of the spraying and flushing device is connected to a water inlet of the clarifier; a condensed water outlet of the water-cooled condenser is connected to a water inlet of the clarifier; the overflow outlet at the top of the clarifier is connected to the water inlet of the circulating flushing water tank. The invention has the beneficial effects that: the system removes dust by spraying, washing and cleaning, has sufficient gas-liquid contact, high dust removal efficiency and reliable system operation, can efficiently remove dust in the sludge drying tail gas, effectively avoids the blockage of subsequent pipelines and ensures the continuous operation of the sludge drying system.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a system and a method for treating tail gas at an outlet of a sludge drying machine.
Background
The sludge produced in the sewage treatment process is a heterogeneous body consisting of organic debris, bacterial bodies, inorganic particles, colloids and the like. The treatment of the sludge is gradually mature through various treatment methods such as marine abandonment, land landfill, incineration and the like, and the incineration of the sludge at present has great advantages in the final treatment method of the sludge.
Sludge cannot be simply used as fuel due to high water content, generally needs to be dried, sludge with low calorific value is converted into usable fuel with high calorific value, and then the sludge fuel is combusted through an incinerator. In the sludge drying process, water vapor formed by water in the sludge is gathered in the drying machine, and the water vapor is taken out of the drying machine by ventilation to form sludge drying tail gas. Inevitable can carry a large amount of dust in the sludge drying tail gas, generally set up cyclone on sludge drying machine tail gas outlet pipe and get rid of the dust in the tail gas, nevertheless because cyclone dust collection efficiency is low, it is poor to tail gas purifying effect, lead to the dust deposit in the tail gas pipeline easily, cause the tail gas pipeline to block up, often need artifical clearance, seriously influence the continuous operation of sludge drying system.
Disclosure of Invention
The invention aims to solve the problems that a dust removal system at the tail part of a sludge drying machine is low in dust removal efficiency, a pipeline system is easy to block, and the continuous operation of the sludge drying system is difficult to ensure, and provides the sludge drying machine outlet tail gas treatment system and method which are reasonable in process, high in dust removal efficiency, capable of preventing pipeline blocking and capable of ensuring the continuous operation of the system.
The sludge drier outlet tail gas treatment system comprises a spraying flushing device, a water-cooled condenser, a tail gas fan, a clarifier, a circulating flushing water tank, a circulating flushing water pump, a bottom sludge conveying pump and a wet sludge bin; the tail gas outlet of the spraying and flushing device is connected to the tail gas inlet of the water-cooled condenser, and the tail gas outlet of the water-cooled condenser is connected to a boiler blower through a tail gas fan; a water outlet at the bottom of the spraying and flushing device is connected to a water inlet of the clarifier; a condensed water outlet of the water-cooled condenser is connected to a water inlet of the clarifier; an overflow port at the top of the clarifier is connected to a water inlet of the circulating flushing water tank, and a sludge outlet at the bottom of the clarifier is connected to a wet sludge bin through a bottom sludge conveying pump; the water outlet of the circulating flushing water tank is respectively connected to the water inlet of the spraying flushing device and the sludge drying wastewater treatment system through a circulating flushing water pump.
Preferably, the method comprises the following steps: the spraying and washing device is horizontally arranged on a tail gas outlet pipeline of the sludge drying machine; one or a plurality of nozzles are arranged in the spraying and washing device, and a water outlet is arranged at the bottom of the spraying and washing device.
Preferably, the method comprises the following steps: an inclined plate is arranged in the clarifier and is of a hollow structure, and circulating cooling water is introduced into the inclined plate; a mud scraper is arranged in the clarifier.
Preferably, the method comprises the following steps: the circulation flush tank is provided with a water replenishment system.
Preferably, the method comprises the following steps: the water-cooled condenser is provided with a circulating cooling water inlet and a circulating cooling water outlet.
The working method of the sludge drying machine outlet tail gas treatment system comprises the following steps:
s1, enabling tail gas from the sludge drier to enter a spray flushing device, enabling the tail gas subjected to flushing and dust removal to enter a water-cooled condenser for condensation and water removal, pressurizing the condensed gas by a tail gas fan, conveying the pressurized gas to an inlet of a boiler blower, and finally burning the gas in a boiler;
s2, conveying the condensed water generated in the water-cooled condenser to a clarifier for clarification treatment, and finally conveying the condensed water to a sludge drying wastewater treatment system;
s3, pressurizing circulating flushing water in a circulating flushing water tank by a circulating flushing water pump, then, feeding the pressurized circulating flushing water into a spraying flushing device to wash tail gas at an outlet of the sludge drying machine, and enabling washing water generated in the spraying flushing device to flow to a clarifier through a water outlet at the bottom of the spraying flushing device;
S4, discharging of the clarifier is divided into two paths: one path is clarifier overflow supernatant fluid which flows to a circulating flushing water tank, and the other path is clarifier bottom mud which is conveyed to a wet mud bin by a bottom mud conveying pump; and one part of water in the circulating flushing water tank is used as circulating flushing water of the spraying flushing device, and the other part of water is discharged to a sludge drying wastewater treatment system for treatment.
The invention has the beneficial effects that:
1. high dust removing efficiency and avoiding pipeline blockage
The system removes dust by spraying, washing and cleaning, has sufficient gas-liquid contact, high dust removal efficiency and reliable system operation, can efficiently remove dust in the sludge drying tail gas, effectively avoids the blockage of subsequent pipelines and ensures the continuous operation of the sludge drying system.
2. Simple process flow and low investment cost
The system is correspondingly transformed on the basis of the original sludge drying system, the process flow of the system is simple, the equipment is few, the structure of the main equipment is simple, the processing and the manufacturing are convenient, and the investment cost is low.
3. Convenient operation and maintenance
The system is provided with the high-efficiency flushing device, so that the sludge drying system can run more smoothly, the trouble of frequent manual cleaning is eliminated, and the difficulty of operation and maintenance is reduced.
Drawings
FIG. 1 is a schematic flow chart of a sludge drying machine outlet tail gas treatment system.
Description of reference numerals: the device comprises a spraying and washing device 1, a water-cooled condenser 2, a tail gas fan 3, a clarifier 4, a circulating and washing water tank 5, a circulating and washing water pump 6, a bottom mud delivery pump 7, a wet sludge bin 8, an inclined plate 9, a mud scraper 10 and a nozzle 11.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Example one
The embodiment of the application provides a sludge drying machine export tail gas processing system, including spray washing unit 1, water-cooled condenser 2, tail gas fan 3, clarifier 4, circulation flushing water tank 5, circulation flushing water pump 6, bed mud delivery pump 7, wet sludge bin 8. The spray flushing device 1 is arranged on a tail gas outlet pipeline of the sludge drying machine, a tail gas outlet of the spray flushing device 1 is connected to a tail gas inlet of the water-cooled condenser 2, and a tail gas outlet of the water-cooled condenser 2 is connected to a boiler blower through a tail gas fan 3; a water outlet at the bottom of the spraying and washing device 1 is connected to a water inlet of the clarifier 4; an overflow port at the top of the clarifier 4 is connected to a water inlet of the circulating flushing water tank 5, and a sludge outlet at the bottom of the clarifier 4 is connected to a wet sludge bin 8 through a bottom sludge conveying pump 7; the water outlet of the circulating flushing water tank 5 is respectively connected to the water inlet of the spraying flushing device 1 and the sludge drying wastewater treatment system through a circulating flushing water pump 6.
The spraying and washing device 1 is horizontally arranged on a tail gas outlet pipeline of the sludge drying machine; one or more nozzles 11 for washing are arranged in the spraying and washing device 1, and a water outlet is arranged at the bottom of the spraying and washing device 1.
An inclined plate 9 is arranged in the clarifier 4, the inclined plate 9 is of a hollow structure, circulating cooling water is introduced into the inclined plate 9, and the temperature of supernatant fluid overflowing from the clarifier 4 is controlled within 40 ℃ so as to ensure the activity of microorganisms in a wastewater treatment system; the inside of the clarifier 4 is provided with a mud scraper 10, which ensures that the sludge at the bottom of the clarifier can be smoothly discharged.
The circulating flushing water tank 5 is provided with a water supplementing system, and water supplemented by the circulating flushing water tank 5 comes from clear water treated by the sludge drying wastewater treatment system.
The temperature of the tail gas of the sludge drying machine is reduced to 2-5 ℃ in the water-cooled condenser 2, and a condensed water outlet of the water-cooled condenser 2 is connected to a water inlet of the clarifier 4 and finally conveyed to a sludge drying wastewater treatment system.
Example two
The second embodiment of the application provides a working method of a sludge drying machine outlet tail gas treatment system, which comprises the following steps:
s1, tail gas from the sludge drier enters a spray washing device 1, the tail gas after washing and dedusting enters a water-cooled condenser 2 for condensation and dehydration, and the condensed gas is pressurized by a tail gas fan 3 and then is conveyed to the inlet of a boiler blower and finally enters a boiler for incineration.
S2, conveying the condensed water generated in the water-cooled condenser 2 to a clarifier 4 for clarification treatment, and finally conveying the condensed water to a sludge drying wastewater treatment system.
S3, pressurizing the circulating flushing water in the circulating flushing water tank 5 by a circulating flushing water pump 6, then washing the tail gas at the outlet of the sludge drying machine by the spraying flushing device 1, and enabling the washing water generated in the spraying flushing device 1 to flow to the clarifier 4 through a water outlet at the bottom of the spraying flushing device.
S4, the discharge of the clarifier 4 is divided into two paths: one path is supernatant fluid overflowing from the clarifier 4 and flows to the circulating flushing water tank 5 automatically, and the other path is bottom mud of the clarifier 4 and is conveyed to a wet sludge bin 8 through a bottom mud conveying pump 7; and one part of water in the circulating flushing water tank 5 is used as circulating flushing water of the spraying flushing device 1, and the other part of water is discharged to a sludge drying wastewater treatment system for treatment.
Claims (6)
1. The utility model provides a sludge drying machine export tail gas processing system which characterized in that: comprises a spraying and washing device (1), a water-cooled condenser (2), a tail gas fan (3), a clarifier (4), a circulating and washing water tank (5), a circulating and washing water pump (6), a bottom mud delivery pump (7) and a wet sludge bin (8); the tail gas outlet of the spray flushing device (1) is connected to the tail gas inlet of the water-cooled condenser (2), and the tail gas outlet of the water-cooled condenser (2) is connected to a boiler blower through a tail gas fan (3); a water outlet at the bottom of the spraying and washing device (1) is connected to a water inlet of the clarifier (4); a condensed water outlet of the water-cooled condenser (2) is connected to a water inlet of the clarifier (4); an overflow port at the top of the clarifier (4) is connected to a water inlet of the circulating flushing water tank (5), and a sludge outlet at the bottom of the clarifier (4) is connected to a wet sludge bin (8) through a bottom sludge delivery pump (7); the water outlet of the circulating flushing water tank (5) is respectively connected to the water inlet of the spraying flushing device (1) and the sludge drying wastewater treatment system through a circulating flushing water pump (6).
2. The sludge drying machine outlet tail gas treatment system as claimed in claim 1, which is characterized in that: the spraying and washing device (1) is horizontally arranged on a tail gas outlet pipeline of the sludge drying machine; one or a plurality of nozzles (11) are arranged in the spraying and washing device (1), and a water outlet is arranged at the bottom of the spraying and washing device (1).
3. The sludge drying machine outlet tail gas treatment system as claimed in claim 1, which is characterized in that: an inclined plate (9) is arranged in the clarifier (4), the inclined plate (9) is of a hollow structure, and circulating cooling water is introduced into the inclined plate (9); a mud scraper (10) is arranged in the clarifier (4).
4. The sludge drying machine outlet tail gas treatment system as claimed in claim 1, which is characterized in that: the circulating flushing water tank (5) is provided with a water replenishing system.
5. The sludge drying machine outlet tail gas treatment system as claimed in claim 1, which is characterized in that: the water-cooled condenser (2) is provided with a circulating cooling water inlet and a circulating cooling water outlet.
6. The working method of the sludge drying machine outlet tail gas treatment system as claimed in claim 1, characterized by comprising the following steps:
s1, tail gas from the sludge drier enters a spray washing device (1), the tail gas after washing and dedusting enters a water-cooled condenser (2) for condensation and dehydration, and condensed gas is pressurized by a tail gas fan (3) and then is conveyed to an inlet of a boiler blower and finally enters a boiler for incineration;
S2, conveying condensed water generated in the water-cooled condenser (2) to a clarifier (4) for clarification treatment, and finally conveying the condensed water to a sludge drying wastewater treatment system;
s3, pressurizing circulating flushing water in a circulating flushing water tank (5) through a circulating flushing water pump (6), then, washing tail gas at the outlet of the sludge drying machine by entering a spraying flushing device (1), and enabling washing water generated in the spraying flushing device (1) to flow to a clarifier (4) through a water outlet at the bottom of the spraying flushing device;
s4, the discharge of the clarifier (4) is divided into two paths: one path is supernatant fluid overflowing from the clarifier (4) and flows to the circulating flushing water tank (5), and the other path is bottom mud of the clarifier (4) and is conveyed to a wet mud bin (8) by a bottom mud conveying pump (7); one part of water in the circulating flushing water tank (5) is used as circulating flushing water of the spraying flushing device (1), and the other part of water is discharged to a sludge drying wastewater treatment system for treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689169.8A CN111841207A (en) | 2020-07-17 | 2020-07-17 | Sludge drying machine outlet tail gas treatment system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010689169.8A CN111841207A (en) | 2020-07-17 | 2020-07-17 | Sludge drying machine outlet tail gas treatment system and method |
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| CN111841207A true CN111841207A (en) | 2020-10-30 |
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| CN202010689169.8A Pending CN111841207A (en) | 2020-07-17 | 2020-07-17 | Sludge drying machine outlet tail gas treatment system and method |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB414716A (en) * | 1932-10-11 | 1934-08-09 | Ernest Marsden | A process for the separation of the crude resin obtained by extraction from kauri timber into light and dark coloured resinous products and apparatus therefor |
| CN102107095A (en) * | 2011-01-12 | 2011-06-29 | 丁海荣 | Sludge scraper for clarifier |
| US20130098104A1 (en) * | 2009-12-04 | 2013-04-25 | Stefan O.H. Åhman | Method and system for condensing water vapour from a carbon dioxide rich flue gas |
| CN103845929A (en) * | 2012-11-30 | 2014-06-11 | 南通京源水工自动化设备有限公司 | Inclined plate automatic sludge scrape |
| CN103979766A (en) * | 2014-05-26 | 2014-08-13 | 南京理工大学 | Indirect sludge drying tail gas treatment device and treatment method thereof |
| CN204675875U (en) * | 2015-05-12 | 2015-09-30 | 浙江天地环保工程有限公司 | Wet electric waste water reuse system |
| CN205007661U (en) * | 2015-09-16 | 2016-02-03 | 南通海容热能环境工程有限公司 | Fixed clarifier of pipe chute |
| CN206350975U (en) * | 2016-12-20 | 2017-07-25 | 上海试四化学品有限公司 | A kind of sludge drying tail gas treatment device that tail gas pretreatment unit is dried with sludge |
| CN107417068A (en) * | 2017-08-30 | 2017-12-01 | 杭州博雷环保科技有限公司 | A kind of new sludge treatment technique |
| CN107628740A (en) * | 2017-09-27 | 2018-01-26 | 宁波威德曼环境科技有限公司 | A kind of vacuum and low temperature anhydration system for being applicable variform material and its method of work |
| CN110845116A (en) * | 2019-11-02 | 2020-02-28 | 宁夏久瓦能源科技有限公司 | A recycling system using biomass steam boiler to dry sludge and generate electricity |
| WO2020041917A1 (en) * | 2018-08-30 | 2020-03-05 | 广西博世科环保科技股份有限公司 | Green cleaning-thermal desorption integrated technology treatment method and system for high-concentration petroleum sludge |
| CN212327767U (en) * | 2020-07-17 | 2021-01-12 | 浙江天地环保科技股份有限公司 | Sludge drying machine export tail gas processing system |
-
2020
- 2020-07-17 CN CN202010689169.8A patent/CN111841207A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB414716A (en) * | 1932-10-11 | 1934-08-09 | Ernest Marsden | A process for the separation of the crude resin obtained by extraction from kauri timber into light and dark coloured resinous products and apparatus therefor |
| US20130098104A1 (en) * | 2009-12-04 | 2013-04-25 | Stefan O.H. Åhman | Method and system for condensing water vapour from a carbon dioxide rich flue gas |
| CN102107095A (en) * | 2011-01-12 | 2011-06-29 | 丁海荣 | Sludge scraper for clarifier |
| CN103845929A (en) * | 2012-11-30 | 2014-06-11 | 南通京源水工自动化设备有限公司 | Inclined plate automatic sludge scrape |
| CN103979766A (en) * | 2014-05-26 | 2014-08-13 | 南京理工大学 | Indirect sludge drying tail gas treatment device and treatment method thereof |
| CN204675875U (en) * | 2015-05-12 | 2015-09-30 | 浙江天地环保工程有限公司 | Wet electric waste water reuse system |
| CN205007661U (en) * | 2015-09-16 | 2016-02-03 | 南通海容热能环境工程有限公司 | Fixed clarifier of pipe chute |
| CN206350975U (en) * | 2016-12-20 | 2017-07-25 | 上海试四化学品有限公司 | A kind of sludge drying tail gas treatment device that tail gas pretreatment unit is dried with sludge |
| CN107417068A (en) * | 2017-08-30 | 2017-12-01 | 杭州博雷环保科技有限公司 | A kind of new sludge treatment technique |
| CN107628740A (en) * | 2017-09-27 | 2018-01-26 | 宁波威德曼环境科技有限公司 | A kind of vacuum and low temperature anhydration system for being applicable variform material and its method of work |
| WO2020041917A1 (en) * | 2018-08-30 | 2020-03-05 | 广西博世科环保科技股份有限公司 | Green cleaning-thermal desorption integrated technology treatment method and system for high-concentration petroleum sludge |
| CN110845116A (en) * | 2019-11-02 | 2020-02-28 | 宁夏久瓦能源科技有限公司 | A recycling system using biomass steam boiler to dry sludge and generate electricity |
| CN212327767U (en) * | 2020-07-17 | 2021-01-12 | 浙江天地环保科技股份有限公司 | Sludge drying machine export tail gas processing system |
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