CN112774341A - Honeycomb ceramic tunnel kiln flue gas purification system - Google Patents

Honeycomb ceramic tunnel kiln flue gas purification system Download PDF

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Publication number
CN112774341A
CN112774341A CN201911090644.3A CN201911090644A CN112774341A CN 112774341 A CN112774341 A CN 112774341A CN 201911090644 A CN201911090644 A CN 201911090644A CN 112774341 A CN112774341 A CN 112774341A
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CN
China
Prior art keywords
liquid supply
purification
flue gas
tower
honeycomb ceramic
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.)
Withdrawn
Application number
CN201911090644.3A
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Chinese (zh)
Inventor
胡俊明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Xishui Klimens Machinery Ltd By Share Ltd
Original Assignee
Hubei Xishui Klimens Machinery Ltd By Share Ltd
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Priority to CN201911090644.3A priority Critical patent/CN112774341A/en
Publication of CN112774341A publication Critical patent/CN112774341A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • 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
    • B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B01D47/022—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by using a liquid curtain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • 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
    • B01D53/14—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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a honeycomb ceramic tunnel kiln flue gas purification system, which comprises a primary purification chamber communicated with a flue gas pipeline, wherein a metal filter screen is fixed in the primary purification chamber in a vertical state in a matching manner, a scraper is fixedly arranged at the shaft end of a rotating shaft, the primary purification chamber is communicated with a deep purification tower through a gas transmission pipeline, a guide fan is correspondingly arranged on the gas transmission pipeline, three left flow guide slopes are sequentially fixed on the left side wall of a tower cavity of the deep purification tower from top to bottom, two right flow guide slopes are sequentially fixed on the right side wall of the tower cavity of the deep purification tower from top to bottom, the tail ends of five liquid supply branch pipes are communicated with a liquid supply main pipe, and the bottom end of the pipe body of the liquid supply main pipe is vertically inserted into a purification liquid storage tank downwards. The secondary purification effect of the invention well guarantees the purification thoroughness of the flue gas discharged by the honeycomb ceramic tunnel kiln, and the invention has the advantages of safety, high efficiency and good reliability.

Description

Honeycomb ceramic tunnel kiln flue gas purification system
Technical Field
The invention relates to the technical field related to honeycomb ceramic tunnel kilns, in particular to a flue gas purification system for a honeycomb ceramic tunnel kiln.
Background
With the continuous development of ceramic materials at home and abroad, the specific gravity of the functional ceramic material is larger and larger, and the honeycomb ceramic has wide application in many fields due to large surface area. However, in the field of molding and sintering, many problems need to be overcome, for example, in order to facilitate the molding of honeycomb ceramics, a large amount of organic matters (paraffin, glycerol, cellulose and the like) are required to be added in the molding process for auxiliary molding, the content of the organic matters is up to 5%, and the content of the organic matters in the traditional hot-press molding process is even up to 18-20%. In the firing process, a large amount of organic matters are difficult to be completely burnt out, so that the smoke components are complex and difficult to reach the emission standard.
At present, most of smoke pollution treatment devices in the ceramic industry are single and targeted, for example, technical devices suitable for desulfurization and denitration, technical devices suitable for dust removal and the like are also simply combined and applied, but for smoke treatment of honeycomb ceramic tunnel kilns, the measures often fail to achieve good treatment effect, the purification is not thorough, the normal operation of a continuous kiln is influenced, and the problem needs to be solved.
Disclosure of Invention
The invention aims to provide a honeycomb ceramic tunnel kiln flue gas purification system to solve the problems in the background technology.
To achieve the above object, the present invention provides the technical solutions as set forth in claims 1 to 4:
a honeycomb ceramic tunnel kiln flue gas purification system comprises a primary purification chamber communicated with a flue gas pipeline, wherein a metal filter screen is fixed in the primary purification chamber in a vertical state in a matched mode, the cross section of a net body of the metal filter screen is circular, a rotating shaft is arranged at the center of the right net face of the metal filter screen, the rotating shaft is driven by a rotating motor on the outer side wall of the primary purification chamber to rotate, a scraper is fixedly installed at the shaft end of the rotating shaft and attached to the right net face of the metal filter screen, the chamber and a deep purification tower are communicated together through a gas transmission pipeline, a guide fan is correspondingly arranged on the gas transmission pipeline, three left flow guide slopes are sequentially fixed on the left side wall of a tower cavity of the deep purification tower from top to bottom, two right flow guide slopes are sequentially fixed on the right side wall of the tower cavity of the deep purification tower from top to bottom, and the left flow guide slopes are arranged in an inclined state with a left height and a right height, the liquid supply device is characterized in that the right diversion slope is in an inclined state with a low left and a high right, three left diversion slopes and two right diversion slopes are arranged at equal intervals, a liquid supply branch pipe is correspondingly inserted into a left end high point position of the left diversion slope and a right end high point position of the right diversion slope, an opening and closing valve is correspondingly arranged on a pipe body of each liquid supply branch pipe, a liquid discharge head is installed at the head end of each liquid supply branch pipe, the tail ends of the five liquid supply branch pipes are communicated with a liquid supply header pipe, the bottom end of the pipe body of the liquid supply header pipe is vertically inserted downwards into a purified liquid storage tank, and a liquid suction pump is further arranged on the pipe body of the liquid supply header pipe.
As a further scheme of the invention: the bottom of the right side of the metal filter screen is also provided with a dust collection drawer, and the dust collection drawer can be taken out and installed at the bottom of the cavity of the primary purification chamber.
As a still further scheme of the invention: the top of the deep purification tower is provided with an exhaust pipeline, and the exhaust pipeline is correspondingly provided with a draught fan.
As a still further scheme of the invention: the included angle between the left flow guide slope surface and the horizontal plane is the same as the included angle between the right flow guide slope surface and the horizontal plane.
Compared with the prior art, the invention has the beneficial effects that: the device is provided with a primary purifying chamber, a gas pipeline, a deep purifying tower, a metal filter screen, a scraper, a rotating shaft, a rotating motor, a guide fan, a left flow guide slope surface, a right flow guide slope surface, a liquid supply branch pipe, a liquid supply main pipe and a purifying liquid storage tank, a large amount of smoke generated by the honeycomb ceramic tunnel kiln firstly enters the primary purifying chamber for primary purification, and the guided purifying liquid forms a water flow curtain immediately, so that the smoke is subjected to deep purification.
Drawings
Fig. 1 is a schematic structural diagram of a flue gas purification system of a honeycomb ceramic tunnel kiln.
Fig. 2 is a schematic side view of a scraper in a flue gas purification system of a honeycomb ceramic tunnel kiln.
FIG. 3 is a diagram of a purification process of a deep purification tower in a honeycomb ceramic tunnel kiln flue gas purification system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a honeycomb ceramic tunnel kiln flue gas purification system includes a primary purification chamber 1 communicated with a flue gas pipeline 2, a metal filter screen 3 is fixed in the primary purification chamber 1 in a vertical state in a matching manner, a rotating shaft 5 is arranged at the center of the right screen surface of the metal filter screen 3, the rotating shaft 5 is driven by a rotating motor 4 on the outer side wall of the primary purification chamber 1 to operate, a scraper 6 is fixedly installed at the shaft end of the rotating shaft 5, the scraper 6 abuts against the right screen surface of the metal filter screen 3, a dust collection drawer 7 is further installed at the bottom of the right side of the metal filter screen 3, and the dust collection drawer 7 can be taken out and installed at the bottom of a cavity of the primary purification chamber 1.
The chamber 1 is communicated with the deep purification tower 10 through a gas transmission pipeline 8, the top of the deep purification tower 10 is provided with an exhaust pipeline 19, and the gas transmission pipeline 8 and the exhaust pipeline 19 are respectively and correspondingly provided with an induced fan 9.
Three left diversion slopes 17 are sequentially fixed on the left side wall of the cavity of the deep purification tower 10 from top to bottom, two right diversion slopes 18 are sequentially fixed on the right side wall of the cavity of the deep purification tower 10 from top to bottom, the left diversion slopes 17 are arranged in an inclined state of being high from left to right, the right diversion slopes 18 are arranged in an inclined state of being low from left to right from right, an included angle between the left diversion slope 17 and the horizontal plane is the same as an included angle between the right diversion slope 18 and the horizontal plane, the three left diversion slopes 17 and the two right diversion slopes 18 are arranged at equal intervals, a liquid supply branch pipe 14 is correspondingly inserted at the high position of the left end of the left diversion slope 17 and the high position of the right end of the right diversion slope 18, an opening and closing valve 15 is correspondingly arranged on the pipe body of each liquid supply branch pipe 14, and a liquid discharge head 16 is installed at the head end of the liquid supply branch pipe 14, the tail ends of the five branch liquid supply pipes 14 are communicated with a main liquid supply pipe 13, the bottom end of the pipe body of the main liquid supply pipe 13 is vertically inserted into the purified liquid storage tank 11 downwards, and the pipe body of the main liquid supply pipe 13 is also provided with a liquid pump 12.
The invention designs a honeycomb ceramic tunnel kiln flue gas purification system which is provided with a primary purification chamber 1, a gas transmission pipeline 8, a deep purification tower 10, a metal filter screen 3, a scraper 6, a rotating shaft 5, a rotating motor 4, an induced draft fan 9, a left guide slope 17, a right guide slope 18, a liquid supply branch pipe 14, a liquid supply main pipe 13 and a purification liquid storage tank 11, during specific work, a large amount of flue gas generated by the honeycomb ceramic tunnel kiln firstly enters the primary purification chamber 1 for primary purification, the metal filter screen 3 screens impurity particles doped in the flue gas, when the metal filter screen 3 used for a long time is blocked, only the rotating motor 4 is needed to be started, the particle impurities are swept out by utilizing the scraping action of the scraper 6 and fall into a dust collection drawer 7 for collection, then the flue gas enters the deep purification tower 10, a liquid pump 12 is started, the purification liquid immediately is upwards pumped into the liquid supply main pipe 13, in the diversion to five liquid supply branch pipes 14, respectively trickling to the position of the corresponding liquid discharge head 16, because the left diversion slope surface 17 is arranged in a state of inclination from high left to low right, the right diversion slope surface 18 is arranged in a state of inclination from low left to high right, and the three left diversion slope surfaces 17 and the two right diversion slope surfaces 18 are arranged at equal intervals, then the diversion-down purifying liquid forms a water curtain form immediately, thereby carrying out deep purification on the flue gas, the purification thoroughness of the flue gas discharged by the honeycomb ceramic tunnel kiln is ensured by the good purification effect of twice, the safety and the high efficiency are realized, the reliability is good, and the honeycomb ceramic tunnel kiln is suitable for being configured, installed and used on the honeycomb ceramic tunnel kiln.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides a honeycomb ceramic tunnel kiln flue gas clean system, includes and is linked together elementary clean room (1) with flue gas pipeline (2), its characterized in that, the inside of elementary clean room (1) is vertical state adaptation and is fixed with metal filters (3), the dictyosome cross-section of metal filters (3) is circular and disposes a pivot (5) in its right side wire side central point department, and pivot (5) are by rotating electrical machines (4) drive operation on elementary clean room (1) lateral wall, the axle head fixed mounting of pivot (4) has scraper (6), and scraper (6) paste and lean on the right wire side of metal filters (3), communicate together through gas transmission pipeline (8) between room (1) and the degree of depth purifying tower (10), correspond on gas transmission pipeline (8) and be provided with a fan 9), be fixed with three left domatic water conservancy diversion (17) from the top down in proper order on the left side wall of the tower chamber of degree of depth purifying tower (10), two right diversion slopes (18) are sequentially fixed on the right side wall of a tower cavity of the deep purification tower (10) from top to bottom, the left diversion slope (17) is arranged in an inclined state with a higher left side and a lower right side, the right diversion slope (18) is arranged in an inclined state with a lower left side and a higher right side, three left diversion slopes (17) and two right diversion slopes (18) are arranged at equal intervals, a liquid supply branch pipe (12) is correspondingly inserted at the high position of the left end of the left diversion slope (17) and the high position of the right end of the right diversion slope (18), an opening and closing valve (15) is correspondingly arranged on the pipe body of each liquid supply branch pipe (14), a liquid discharge head (16) is installed at the head end of each liquid supply branch pipe (14), the tail ends of the five liquid supply branch pipes (14) are all communicated with a liquid supply main pipe (13), the bottom end of the pipe body of the liquid supply main pipe (13) is vertically inserted downwards into a purification liquid storage tank (11), and a liquid pump (12) is also arranged on the tube body of the liquid supply main pipe (13).
2. The honeycomb ceramic tunnel kiln flue gas purification system as claimed in claim 2, wherein a dust collection drawer (7) is further arranged at the bottom position of the right side of the metal filter screen (3), and the dust collection drawer (7) is removably installed at the bottom of the primary purification chamber (1).
3. The honeycomb ceramic tunnel kiln flue gas purification system as claimed in claim 1, wherein the top of the deep purification tower (10) is provided with an exhaust duct (19), and the exhaust duct (19) is correspondingly provided with an induced fan (9).
4. The honeycomb ceramic tunnel kiln flue gas purification system as claimed in claim 1, wherein the angle between the left guide slope surface (17) and the horizontal plane is the same as the angle between the right guide slope surface (18) and the horizontal plane.
CN201911090644.3A 2019-11-09 2019-11-09 Honeycomb ceramic tunnel kiln flue gas purification system Withdrawn CN112774341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911090644.3A CN112774341A (en) 2019-11-09 2019-11-09 Honeycomb ceramic tunnel kiln flue gas purification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911090644.3A CN112774341A (en) 2019-11-09 2019-11-09 Honeycomb ceramic tunnel kiln flue gas purification system

Publications (1)

Publication Number Publication Date
CN112774341A true CN112774341A (en) 2021-05-11

Family

ID=75749041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911090644.3A Withdrawn CN112774341A (en) 2019-11-09 2019-11-09 Honeycomb ceramic tunnel kiln flue gas purification system

Country Status (1)

Country Link
CN (1) CN112774341A (en)

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WW01 Invention patent application withdrawn after publication

Application publication date: 20210511

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