CN105833702A - Dust removal equipment used in cooperation with denitration catalyst tunnel kiln - Google Patents

Dust removal equipment used in cooperation with denitration catalyst tunnel kiln Download PDF

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Publication number
CN105833702A
CN105833702A CN201610288301.8A CN201610288301A CN105833702A CN 105833702 A CN105833702 A CN 105833702A CN 201610288301 A CN201610288301 A CN 201610288301A CN 105833702 A CN105833702 A CN 105833702A
Authority
CN
China
Prior art keywords
spray
supporting
denitrating catalyst
frame
kiln body
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
Application number
CN201610288301.8A
Other languages
Chinese (zh)
Inventor
沈雁军
沈炳龙
王旭广
沈雁鸣
沈雁来
夏文启
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.)
SANLONG CATALYST CO Ltd
Original Assignee
SANLONG CATALYST CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SANLONG CATALYST CO Ltd filed Critical SANLONG CATALYST CO Ltd
Priority to CN201610288301.8A priority Critical patent/CN105833702A/en
Publication of CN105833702A publication Critical patent/CN105833702A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants

Abstract

The invention belongs to the technical field of environmental protection equipment and particularly relates to dust removal equipment used in cooperation with a denitration catalyst tunnel kiln .The technical problem that in the prior art, design is unreasonable is solved .The Dust removal equipment used in cooperation with the denitration catalyst tunnel kiln comprises a tunnel-shaped kiln body .A rotary conveying belt from the inlet end of the kiln body to the inner end of the kiln body and heating devices located on the two sides of the conveying belt are installed in the kiln body .The kiln body is connected with a spray device through a gas outflow pipeline .The spray device comprises a spray room .An S-shaped pipeline is arranged in the spray room .Multiple spray heads are arranged on the inner wall of the S-shaped pipeline .A water collecting pond is arranged at the bottom of the spray room .The spray room is communicated with the water collecting pond via through holes .A water outflow pipeline is arranged at the bottom of the water collecting pond .The water outflow pipeline is connected with a plate and frame filter mechanism .

Description

The cleaner of supporting denitrating catalyst tunnel cave
Technical field
The invention belongs to technical field of environment protection equipment, particularly relate to a kind of supporting denitrating catalyst The cleaner of tunnel cave.
Background technology
Along with the national economic development, population increase and the quickening of urbanization process, thereupon Environmental problem become increasingly conspicuous, the especially discharge of nitrogen oxides.Urged by selectivity at present Changing reducing process (SCR) gas denitrifying technology is the control coal-burning power plant nitrogen oxidation generally acknowledged at present Thing discharge most efficient method is also widely used in coal-burning power plant of China, and denitration catalyst The usage amount of agent is in growth trend year by year, but is produced in the production process of denitrating catalyst Raw flue gas, impacts atmospheric environment, and the partial catalyst simultaneously produced is along with cigarette Gas is together taken out of, causes the waste of product.In order to solve the problem that prior art exists, People have carried out long-term exploration, it is proposed that solution miscellaneous.
Such as, Chinese patent literature discloses a kind of catalyst for denitrating flue gas processing unit (plant) [Shen Please number: 201320312441.6], including feed hopper, described feed hopper pass through pipeline and gas Power conveyer device connects, and Pneumatic conveyer is connected by pipeline with hold-up tank again, storage Tank and ingredient storage tank are connected with automatic recipe maker by pipeline, automatic recipe maker and Mixing roll is connected, and the outlet of mixing roll is connected with filter, filter and extrusion shaping machine Being connected, the discharge outlet of described extrusion shaping machine is provided with the first automatic loader, and first The opposite side of automatic loader is connected with hothouse, hothouse be arranged on next station Being connected by the second automatic loader between tunnel cave, described tunnel cave exit is provided with Automatic gas cutting machine, described cutting machine and filter are entered with pulverizer by conveying arrangement respectively Material mouth is connected, and the most also includes the auxiliary device such as dedusting, absorption, chiller.This Bright catalyst for denitrating flue gas processing unit (plant) productivity ratio is high, and product quality is high, significant loss Measure relatively low, adapt to the market demand constantly expanded.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but, The most at least there is following defect in the program: designs unreasonable, and production process energy consumption is big, no Can the technical problem of the effective emission in processing production process.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of design is more reasonable, it is possible to The effectively supporting denitrating catalyst tunnel of the emission in process denitrating catalyst production process The cleaner of kiln.
For reaching above-mentioned purpose, present invention employs following technical proposal: this supporting denitration The cleaner of catalyst tunnel cave includes in tunnel-shaped kiln body, peace in described kiln body Equipped with swinging conveyer belt inner from kiln body entrance point to kiln body and be positioned at conveyer belt two The heater of side, described kiln body is connected with spray equipment by outlet pipe, described Spray equipment include spray room, be provided with snake pipe in described spray room, described Snake pipe inwall is provided with some spray heads, is provided with collecting-tank bottom described spray room, Described spray room is connected with collecting-tank by through hole, is provided with out bottom described collecting-tank Waterpipe, described outlet conduit is connected with plate and frame filtering mechanism.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described is snakelike One end of pipeline is connected with outlet pipe, and the other end is provided with negative inspiratory pressure mechanism.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described catchments Pond is integral type structure with spray room.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described sheet frame Filter mechanism includes that plate-and-frame filtration frame, described plate-and-frame filtration frame are provided with sheet frame mistake Filter body, described plate-and-frame filtration body is provided with treats filtrate import and filtrate (liquid, institute This internal filtering core that is provided with of the plate-and-frame filtration stated, described treats filtrate import and outlet pipe Road is connected, and described filtrate (liquid is connected with cistern.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described is to be filtered Prefilter and the first booster body, described plate it is provided with between liquid import and outlet conduit Pressure detecting table it is provided with in frame filtering body.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described water-retention Being provided with alkali liquor average mechanism in pond, described columns base is provided with water return pipeline, described Water return pipeline be connected with spray head, be additionally provided with between described water return pipeline and spray head Second booster body.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, described alkali liquor Average mechanism includes alkali liquor input pipe and measures the pH value inspection of solution ph in cistern Survey mechanism.
In the cleaner of above-mentioned supporting denitrating catalyst tunnel cave, this equipment also wraps Include baking oven, in described baking oven, be provided with horizontally disposed shelf and drying mechanism.
Compared with prior art, the cleaner of this supporting denitrating catalyst tunnel cave Advantage is: 1, design is more reasonable, absorbs the nitrogen oxides in flue gas by spray equipment And dust, then discharge, pollution-free.2. by the dust in flue gas is reclaimed Utilize, reduce waste, improve economical.3. this equipment water resource reusable edible, raw Product process is more environmentally-friendly.
Accompanying drawing explanation
Fig. 1 is the perspective view that the present invention provides.
Fig. 2 is the baking oven schematic diagram that the present invention provides.
In figure, kiln body 1, swinging conveyer belt 2, heater 3, outlet pipe 4, Spray equipment 5, spray room 6, snake pipe 7, spray head 8, through hole 9, collecting-tank 10, outlet conduit 11, plate and frame filtering mechanism 13, negative inspiratory pressure mechanism 12, sheet frame mistake Filter frame 13a, plate-and-frame filtration body 13b, treat filtrate import 13c, prefilter 13d, Filtrate (liquid 13e, filtering core 13f, the first booster body 13g, pressure detecting table 13h, Cistern 14, alkali liquor average mechanism 14a, water return pipeline 14b, the second booster body 14c, Alkali liquor input pipe 14d, pH value testing agency 14e, baking oven 15, shelf 15a, drying Mechanism 15b.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings Bright.
As shown in Figure 1-2, the cleaner of this supporting denitrating catalyst tunnel cave include in Tunnel-shaped kiln body 1, is provided with from kiln body 1 entrance point to kiln body 1 inner in kiln body 1 Swinging conveyer belt 2 and be positioned at the heater 3 of conveyer belt both sides, kiln body 1 is led to Crossing outlet pipe 4 to be connected with spray equipment 5, spray equipment 5 includes spraying room 6, spray Being provided with snake pipe 7 in drenching room 6, snake pipe 7 inwall is provided with some spray heads 8, spray Drenching and be provided with collecting-tank 10 bottom room 6, spray room 6 is by through hole 9 with collecting-tank 10 even Logical, collecting-tank 10 is integral type structure with spray room 6, is provided with out bottom collecting-tank 10 Waterpipe 11, outlet conduit 11 is connected with plate and frame filtering mechanism 13.This snake pipe 7 One end be connected with outlet pipe 4, the other end is provided with negative inspiratory pressure mechanism 12, works as equipment In flue gas enter spray room 6 through outlet pipe 4, and at the work of negative inspiratory pressure mechanism 12 Under with, flue gas is along the flowing of snake pipe 7, and sprays by being positioned at snake pipe 7 The spray effect of pouring 8, is dissolved in water the nitrogen oxides in flue gas and dust, molten Solution has the solution of nitrogen oxides and dust to flow to collecting-tank 10 by through hole 9 to carry out at concentration Reason.
Above-mentioned described plate and frame filtering mechanism 13 includes plate-and-frame filtration frame 13a, sheet frame mistake Filter frame 13a is provided with plate-and-frame filtration body 13b, plate-and-frame filtration body 13b and is provided with Treat filtrate import 13c and filtrate (liquid 13e, in plate-and-frame filtration body 13b, be provided with filtration Core body 13f, treats that filtrate import 13c is connected with outlet conduit 11, filtrate (liquid 13e with Cistern 14 is connected.
Further, it is provided with pre-mistake between filtrate import 13c and outlet conduit 11 treating Filter 13d and the first booster body 13g, is provided with pressure inspection in plate-and-frame filtration body 13b Survey table 13h.Solution, after collecting-tank 10 flows out, enters pre-mistake by outlet conduit 11 Filter 13d, filters out the most of dust in solution by prefilter 13d, subsequently, Solution flow to filtering core 13f and carries out secondary filter, simultaneously by the first booster body 13g Effect, and suitably regulate pressure size according to pressure detecting table 13h, accelerated filtering velocity Degree, improves work efficiency, and the solution after having filtered is left to cistern 14.
Alkali liquor average mechanism 14a it is provided with, this alkali liquor average mechanism 14a in cistern 14 Including the pH value detection of solution ph in alkali liquor input pipe 14d and measurement cistern 14 Mechanism 14e, be provided with bottom cistern 14 water return pipeline 14b, water return pipeline 14b with Spray head 8 is connected, and is additionally provided with the second supercharger between water return pipeline 14b and spray head 8 Structure 14c.Owing to having dissolved substantial amounts of nitrogen oxides, making solution is acidity, passes through alkali liquor The alkalescence such as input pipe 14d input NAOH neutralize solution and are neutralized, and treat pH value testing machine Structure 14e detection solution pH value qualified after discharge.Simultaneously by water return pipeline 14b Effect, water is continued on to spray head and continues cycling through utilization, improve the profit of water resource By rate, again by solution discharge after being recycled for multiple times, spray head 8 the most also with The network of rivers is connected, to ensure being smoothed out of spray operation.
Additionally, obtained by the filtration of prefilter 13d and filtering core 13f Dust be the product in catalyst production process equally, be the effect due to flue gas, quilt Together take out of.Therefore this equipment also includes baking oven 15, by baking oven 15 by obtained Dust continues to be processed into finished product after drying, reduce waste, improves Business Economic Benefit, Horizontally disposed shelf 15a and drying mechanism 15b it is provided with in baking oven 15.
In the present embodiment, by the effect of spray equipment 5 by the flue gas in production process Process, can fully absorb by installing spray equipment 5 at snake pipe 4 inwall Nitrogen oxides in flue gas and dust, discharge the most again, more environmental protection, symbol Close production standard;For having dissolved the solution after nitrogen oxides and dust, first filter molten Dust in liquid, by the most of dust in the preliminary filtering solution of prefilter 13d, It is then passed through plate and frame filtering mechanism 13 and carries out secondary filter, dust obtained during this It is that denitrating catalyst is together taken out of with flue gas, after being baked to still in process of production Can use, therefore this equipment also includes that the baking oven dried by dust reduces product waste, Increase economic efficiency;Liquid after having filtered makes owing to having dissolved substantial amounts of nitrogen oxides Solution is acidity, is therefore neutralized by alkali liquor average mechanism by the solution in cistern, When after the pH value conformance with standard of pH value testing agency 14e detection solution, water being guided to spray again Shower device continues cycling through use.This equipment can effectively process nitrogen oxides in flue gas and Dust, simultaneously by the useful material recycle in flue gas, turns waste into wealth, the most whole During accomplish that water resource recycles, be greatly improved the utilization rate of water resource, whole life Produce process economy, environmental protection.
Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employ kiln body 1, swinging conveyer belt 2, heater 3, Outlet pipe 4, spray equipment 5, spray room 6, snake pipe 7, spray head 8, logical Hole 9, collecting-tank 10, outlet conduit 11, plate and frame filtering mechanism 13, negative inspiratory pressure mechanism 12, plate-and-frame filtration frame 13a, plate-and-frame filtration body 13b, treat filtrate import 13c, pre- Filter 13d, filtrate (liquid 13e, filtering core 13f, the first booster body 13g, Pressure detecting table 13h, cistern 14, alkali liquor average mechanism 14a, water return pipeline 14b, Second booster body 14c, alkali liquor input pipe 14d, pH value testing agency 14e, baking oven 15, the term such as shelf 15a, drying mechanism 15b, but be not precluded from using other term Probability.Use these terms to be only used to more easily and describe and explain the present invention Essence;Being construed as any additional restriction is all and spirit phase of the present invention Run counter to.

Claims (8)

1. a cleaner for supporting denitrating catalyst tunnel cave, this equipment includes in tunnel The kiln body (1) of road shape, is provided with from kiln body (1) entrance point in described kiln body (1) The swinging conveyer belt (2) inner to kiln body (1) and be positioned at adding of conveyer belt both sides Thermal (3), it is characterised in that described kiln body (1) passes through outlet pipe (4) Being connected with spray equipment (5), described spray equipment (5) includes spraying room (6), Snake pipe (7), described snake pipe (7) it is provided with in described spray room (6) Inwall is provided with some spray heads (8), and described bottom, spray room (6) is provided with collecting-tank (10), Described spray room (6) is connected with collecting-tank (10) by through hole (9), described Collecting-tank (10) bottom is provided with outlet conduit (11), described outlet conduit (11) with Plate and frame filtering mechanism (13) is connected.
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 1 sets Standby, it is characterised in that one end of described snake pipe (7) and outlet pipe (4) Being connected, the other end is provided with negative inspiratory pressure mechanism (12).
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 1 and 2 Equipment, it is characterised in that described collecting-tank (10) is integral type with spray room (6) Structure.
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 1 and 2 Equipment, it is characterised in that described plate and frame filtering mechanism (13) includes flame filter press Frame (13a), described plate-and-frame filtration frame (13a) is provided with plate-and-frame filtration body (13b), Described plate-and-frame filtration body (13b) is provided with treats that filtrate import (13c) and filtrate go out Mouth (13e), is provided with filtering core (13f) in described plate-and-frame filtration body (13b), Described treats that filtrate import (13c) is connected with outlet conduit (11), and described filtrate goes out Mouth (13e) is connected with cistern (14).
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 4 sets Standby, it is characterised in that described treat filtrate import (13c) and outlet conduit (11) it Between be provided with prefilter (13d) and the first booster body (13g), described plate-and-frame filtration Pressure detecting table (13h) it is provided with in body (13b).
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 4 sets It is standby, it is characterised in that in described cistern (14), to be provided with alkali liquor average mechanism (14a), Described cistern (14) bottom is provided with water return pipeline (14b), described water return pipeline (14b) it is connected with spray head (8), described water return pipeline (14b) and spray head (8) Between be additionally provided with the second booster body (14c).
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 6 sets Standby, it is characterised in that described alkali liquor average mechanism (14a) includes alkali liquor input pipe (14d) And measure the pH value testing agency (14e) of cistern (14) interior solution ph.
The dedusting of supporting denitrating catalyst tunnel cave the most according to claim 1 and 2 Equipment, it is characterised in that this equipment also includes baking oven (15), described baking oven (15) Inside it is provided with horizontally disposed shelf (15a) and drying mechanism (15b).
CN201610288301.8A 2016-05-03 2016-05-03 Dust removal equipment used in cooperation with denitration catalyst tunnel kiln Pending CN105833702A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201610288301.8A CN105833702A (en) 2016-05-03 2016-05-03 Dust removal equipment used in cooperation with denitration catalyst tunnel kiln

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112495184A (en) * 2020-11-30 2021-03-16 江苏新中金环保科技股份有限公司 Low-temperature SCR catalytic method denitration device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008052465A1 (en) * 2006-10-25 2008-05-08 Baoshan Iron & Steel Co., Ltd. A sintered flue gas wet desulfurizing and dedusting process
CN104258675A (en) * 2014-09-23 2015-01-07 成都冠禹科技有限公司 Incinerator waste gas purifying device
CN104857799A (en) * 2015-05-25 2015-08-26 广东科达洁能股份有限公司 Sulfur and dust removal device
CN105169892A (en) * 2015-11-04 2015-12-23 江苏索普(集团)有限公司 Sulfur melting waste gas washing device system and washing process thereof
CN205699921U (en) * 2016-05-03 2016-11-23 浙江三龙催化剂有限公司 The cleaner of supporting denitrating catalyst tunnel cave

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008052465A1 (en) * 2006-10-25 2008-05-08 Baoshan Iron & Steel Co., Ltd. A sintered flue gas wet desulfurizing and dedusting process
CN104258675A (en) * 2014-09-23 2015-01-07 成都冠禹科技有限公司 Incinerator waste gas purifying device
CN104857799A (en) * 2015-05-25 2015-08-26 广东科达洁能股份有限公司 Sulfur and dust removal device
CN105169892A (en) * 2015-11-04 2015-12-23 江苏索普(集团)有限公司 Sulfur melting waste gas washing device system and washing process thereof
CN205699921U (en) * 2016-05-03 2016-11-23 浙江三龙催化剂有限公司 The cleaner of supporting denitrating catalyst tunnel cave

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112495184A (en) * 2020-11-30 2021-03-16 江苏新中金环保科技股份有限公司 Low-temperature SCR catalytic method denitration device

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Inventor after: Shen Yanjun

Inventor after: Shen Binglong

Inventor after: Shen Yanming

Inventor after: Shen Yanlai

Inventor before: Shen Yanjun

Inventor before: Shen Binglong

Inventor before: Wang Xuguang

Inventor before: Shen Yanming

Inventor before: Shen Yanlai

Inventor before: Xia Wenqi

COR Change of bibliographic data
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