CN111773833A - Dust removal and denitration method - Google Patents
Dust removal and denitration method Download PDFInfo
- Publication number
- CN111773833A CN111773833A CN202010688274.XA CN202010688274A CN111773833A CN 111773833 A CN111773833 A CN 111773833A CN 202010688274 A CN202010688274 A CN 202010688274A CN 111773833 A CN111773833 A CN 111773833A
- Authority
- CN
- China
- Prior art keywords
- face
- rectangular
- shell
- rectangular shell
- denitration
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4218—Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs
-
- 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
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a dedusting and denitration method, which relates to the technical field of flue gas treatment and realizes dedusting and denitration by a dedusting and denitration integrated device provided with an upper rectangular shell, a square shell, an intermittent ash removal mechanism, a driving mechanism and a rectangular plate. The invention solves the problem that in the prior art, when the flue gas is subjected to denitration treatment, the denitration coefficient of a contact end of the denitration catalyst and the flue gas is gradually reduced after the flue gas is subjected to denitration treatment for a long time, the integral denitration coefficient of the denitration catalyst is gradually influenced, and the denitration catalyst needs to be replaced by a new denitration catalyst, so that great waste is caused.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to a dedusting and denitration method.
Background
The high-temperature industrial flue gas contains a large amount of available energy and substances, the reasonable utilization of the high-temperature industrial flue gas has great economic and social benefits, the realization of the dust removal of the high-temperature flue gas is a key technology for realizing the purposes of energy conservation and emission reduction and improving the comprehensive utilization rate of resources, the traditional dust removal treatment and denitration treatment of the high-temperature flue gas need to be separately and independently treated, the consumption of required catalysts is large, the generation amount of hazardous wastes is large, and the high-dust denitration has the problems of blockage, abrasion, poisoning, ammonia escape and the like.
For example, application No.: CN201911226047.9 the invention discloses a high-temperature ultra-clean dedusting and denitration integrated device, which comprises an inlet smoke box, an outlet smoke box, a high-temperature ultra-clean dedusting electric bag, an air purifying chamber and an ammonia spraying system, wherein the left end and the top end of the high-temperature ultra-clean dedusting electric bag are respectively provided with an air inlet and an air outlet, the inlet smoke box and the air purifying chamber are respectively and fixedly connected with the air inlet and the air outlet, the outlet smoke box is connected with the air outlet at the top of the air purifying chamber, the inside of the high-temperature ultra-clean dedusting electric bag is sequentially provided with a dust collecting electrode, an electric dedusting channel, a flow guide device and a metal fiber filter bag from left to right, an SCR denitration catalyst is arranged between the air purifying chamber and the outlet smoke box, and the ammonia spraying system is connected with the inlet smoke box. The invention can realize the integration of high-temperature dust removal and denitration, and improve the dust removal and denitration efficiency of flue gas.
Based on the search of the above patents and the discovery of combining the methods in the prior art, when the flue gas is subjected to dust removal treatment, the conventional dust removal and denitration method generally comprises the steps of firstly performing primary filtering operation on the smoke dust contained in the flue gas through a filter screen plate, and then performing final dust removal operation on the flue gas through filter equipment such as a metal fiber filter bag, etc., but after the filter screen plate used for the primary filtering operation is used for a short time, the smoke dust filtered on the filter screen plate is easy to cause the blockage of the meshes of the filter screen plate, so that the conveying of the flue gas and the primary filtering of the smoke dust contained in the flue gas are influenced; when the existing dedusting and denitration method is used for denitration treatment of flue gas, the denitration treatment operation of the flue gas is generally carried out by using a denitration catalyst, after the denitration treatment is carried out for a long time, the denitration coefficient of a contact end of the denitration catalyst with the flue gas is gradually reduced, and the integral denitration coefficient of the denitration catalyst is gradually influenced, so that the denitration catalyst needs to be replaced after the denitration coefficient of the contact end of the denitration catalyst with the flue gas is gradually reduced or is invalid, but the other half part of the original denitration catalyst can be normally used, and great waste is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a dust removal and denitration method, which aims to solve the problems that when the existing dust removal and denitration method is used for removing dust from flue gas, a filter screen plate is generally used for firstly carrying out primary filtering operation on smoke dust contained in the flue gas, and then the final dust removal operation is carried out on the flue gas through filter equipment such as a metal fiber filter bag and the like, but after the filter screen plate used for the primary filtering operation is used for a short time, the smoke dust filtered on the filter screen plate is easy to cause the blockage of the mesh of the filter screen plate, and the conveying of the flue gas and the primary filtering of the smoke dust contained in the filter; when the existing dedusting and denitration method is used for denitration treatment of flue gas, the denitration treatment operation of the flue gas is generally carried out by using a denitration catalyst, after the denitration treatment is carried out for a long time, the denitration coefficient of a contact end of the denitration catalyst with the flue gas is gradually reduced, and the integral denitration coefficient of the denitration catalyst is gradually influenced, so that the denitration catalyst needs to be replaced after the denitration coefficient of the contact end of the denitration catalyst with the flue gas is gradually reduced or is invalid, but the other half part of the original denitration catalyst can be normally used, and the problem of great waste is caused.
The invention relates to a dust removal and denitration method, which is achieved by the following specific technical means:
a dedusting and denitration method is characterized in that dedusting and denitration are realized by dedusting and denitration integrated equipment provided with an upper rectangular shell, a square shell, an intermittent ash removal mechanism, a driving mechanism and a rectangular plate;
the dedusting and denitration integrated equipment comprises an upper rectangular shell, and a square shell is arranged at the lower part of the right side of the upper rectangular shell; an intermittent ash removal mechanism is slidably mounted on the left side of the top end face of the upper rectangular shell, and a driving mechanism which is meshed with the intermittent ash removal mechanism in a transmission fit manner is fixedly mounted on the left side of the top end face of the upper rectangular shell; a rectangular plate is fixedly arranged at the left side part of the bottom end face of the upper rectangular shell; go up the rectangle casing including filter plate, spring, isosceles trapezoid spout, square piece, circular spacing slide opening, go up rectangle casing left side embedded installation filter plate in side, and filter plate is corresponding to rectangle through-hole middle part, filter plate left end face and right-hand member face respectively through two springs with blow dirt heat dissipation chamber left end face and extend a left end face fixed the being connected respectively, go up rectangle casing top face and seted up an isosceles trapezoid spout, and isosceles trapezoid spout left end face is in same horizontal plane with filter plate right-hand member face, it is adjacent to isosceles trapezoid spout right-hand member face position and is provided with a square piece to go up rectangle casing top face, and square piece left end face central point has seted up a circular spacing slide opening.
Go up the rectangle casing including division board, flue gas entrance point, net gas exit end, first fin, go up the rectangle casing and adopt inside hollow structure, go up the inside middle part of rectangle casing and be provided with a division board, and the division board will go up the rectangle casing inner chamber and separate and be the both sides cavity, the left side is for blowing dirt heat dissipation chamber, and the cavity is carried for net gas to the right side, it is provided with and blows the flue gas entrance point that dirt heat dissipation chamber is linked together to go up the rectangle casing left end face, it is provided with the net gas exit end that is linked together with net gas transport chamber to go up the rectangle casing right-hand member face, it is embedded a row of first fin that is linked together respectively with blowing dirt heat dissipation chamber and net gas transport chamber to be.
Go up the rectangle casing including extending piece, rectangle through-hole, screw thread blind hole, go up rectangle casing bottom face left side and set up and blow the rectangle through-hole that dirt heat dissipation chamber is linked together, and go up rectangle casing bottom face and all set up a screw thread blind hole for rectangle through-hole edge contained angle position everywhere, blow dirt heat dissipation chamber bottom face and be provided with an extension piece adjacent to rectangle through-hole right-hand member face position, the rectangular plate is including the bolt, rectangular plate bottom face all pegs graft at edge contained angle position everywhere has a bolt, and the bolt is connected with screw thread blind hole thread fastening, and under the complete screw thread locking state of bolt, rectangular plate top face is laminated with last rectangle casing bottom face mutually, and the rectangle through-hole is sealed completely to the rectangular plate.
The upper rectangular shell comprises a blocking plate, a rectangular connecting pipe, second cooling fins and a lower rectangular shell, the lower rectangular shell is arranged under the upper rectangular shell and adopts an internal hollow structure, the bottom end face of the upper rectangular shell is communicated with the top end face of the lower rectangular shell through the rectangular connecting pipe, a dust blowing and cooling cavity is communicated with the inner cavity of the lower rectangular shell through the rectangular connecting pipe, the left end face of the top side of the inner cavity of the rectangular connecting pipe is provided with the blocking plate, the top end face of the blocking plate and the bottom end face of the upper rectangular shell are positioned at the same horizontal plane, the width of the blocking plate is consistent with the width of the inner cavity of the rectangular connecting pipe, the right end face of the blocking plate is one centimeter away from the right end face of the inner cavity of the rectangular connecting pipe, the left end face of the blocking plate is uniformly distributed and embedded with a row of the second, the other end is positioned in the inner cavity of the rectangular connecting pipe.
The upper rectangular shell comprises a metal fiber filter bag, an ammonia gas conveying end, a delivery end and an input end, the input end communicated with the purified gas conveying cavity is arranged at the right side of the bottom end face of the upper rectangular shell, the delivery end communicated with the inner cavity of the lower rectangular shell is arranged at the right side of the top end face of the lower rectangular shell, the ammonia gas conveying end communicated with the inner cavity of the lower rectangular shell is arranged at the right end face of the lower rectangular shell, and the metal fiber filter bag is arranged between the communicated part of the lower rectangular shell and the communicated part of the delivery end relative to the rectangular connecting pipe.
Go up the rectangle casing including T type axle, rectangle connecting pipe right-hand member face middle part is provided with a T type axle, square casing is including the local pipe of sky circle, the flexible pipe of ripple, hand wheel, denitration catalyst, circular protruding piece, square casing top end face and bottom face all are provided with the local pipe of sky circle that is linked together rather than the inner chamber, the equal flange fixedly connected with flexible pipe of ripple of two local pipe ends of sky circle, two flexible pipes of ripple are connected with biography output end and input flange fixed respectively, square casing right-hand member face central point are provided with the hand wheel, and square casing internally mounted has the denitration catalyst, square casing left end face central point is provided with circular protruding piece, and T type shaft groove has been seted up at circular protruding piece axle center position to circular protruding piece is rotated with T type axle through T type shaft groove and is connected.
The intermittent ash removal mechanism comprises a rectangular impact block, gear teeth, an isosceles trapezoid sliding block, balls, a sliding shaft and a reset spring, wherein the length of the rectangular impact block is one half of the length of an isosceles trapezoid sliding groove, the isosceles trapezoid sliding block with the same length is arranged on the bottom end face of the rectangular impact block, one ball is respectively embedded and rotatably arranged on the left side and the right side of the bottom end face of the isosceles trapezoid sliding block, one ball is respectively embedded and rotatably arranged on the middle part of each of the two side faces of the isosceles trapezoid sliding block, six gear teeth are sequentially and uniformly arranged on the top end face of the rectangular impact block from left to right, the right end face of the rectangular impact block is provided with the sliding shaft, the sliding shaft is sleeved with the reset spring, the left end of the reset spring is fixedly connected with the right end face of the rectangular impact block, the isosceles trapezoid sliding block is slidably arranged in the isosceles trapezoid, the ball is in sliding contact with the inner end face of the isosceles trapezoid sliding groove, the bottom end face of the rectangular impact block is not in contact with the top end face of the upper rectangular shell, the sliding shaft is in sliding connection in the circular limiting sliding hole, and the right end of the reset spring is fixedly connected with the left end face of the square block.
Actuating mechanism is including rectangle mount pad, motor, incomplete gear, rectangle mount pad top end face fixed mounting has the motor, and the last key-type of motor shaft connects there is incomplete gear, and the quantity of tooth is five on the incomplete gear, and rectangle mount pad fixed mounting is on last rectangle casing top face, and incomplete gear and rectangle striking piece are in same horizontal position, and incomplete gear and the meshing of the teeth of a cogwheel are mutually driven.
Compared with the prior art, the invention has the following beneficial effects:
the heat in the high-temperature flue gas entering the dust blowing heat dissipation cavity is firstly conducted into the clean gas conveying cavity through the first cooling fin, the left end face of the top side of the inner cavity of the rectangular connecting pipe is provided with a blocking plate, the top end face of the blocking plate and the bottom end face of the upper rectangular shell are positioned on the same horizontal plane, the width of the blocking plate is consistent with that of the inner cavity of the rectangular connecting pipe, and the distance between the right end face of the blocking plate and the right end face of the inner cavity of the rectangular connecting pipe is one centimeter; after the flue gas is input into the rectangular connecting pipe, because the left end of the baffle plate is uniformly distributed and is embedded with a row of second radiating fins, one end of each second radiating fin is positioned at the outer side part of the rectangular connecting pipe, and the other end of each second radiating fin is positioned at the inner cavity part of the rectangular connecting pipe, when the flue gas is conveyed along the rectangular connecting pipe, the heat in the high-temperature flue gas is conducted to the outer side part of the rectangular connecting pipe through the second radiating fins to further reduce the heat of the flue gas.
When the device is used, the motor drives the incomplete gear to rotate, the incomplete gear is meshed with the transmission gear teeth, so that the rectangular impact block is driven to slide rightwards and laterally along the isosceles trapezoid sliding groove through the isosceles trapezoid sliding block and the ball, after the incomplete gear is disengaged from the gear teeth, the rectangular impact block rapidly slides leftwards and laterally along the isosceles trapezoid sliding groove through the isosceles trapezoid sliding block and the ball under the resilience action of the return spring, the left end of the rectangular impact block rapidly impacts the filter screen plate, intermittent impact operation is realized through continuous reciprocating meshing driving and disengaging, vibration generated during impact shakes off smoke attached to the filter screen plate, and the filter screen plate is prevented from being blocked by the smoke and affecting the conveying of the smoke; after the application in one stage, the bolt can be detached through the tool, the rectangular plate can be detached, and the smoke dust after the earthquake can be conveniently discharged and cleaned through the rectangular through hole.
After the denitration catalyst is applied at a stage of use, when the denitration coefficient of the contact end of the denitration catalyst which is firstly contacted with the flue gas is gradually reduced, the two corrugated telescopic pipes can be respectively detached from the output end and the input end, and then the square shell is rotated by 180 degrees through the rotary matching of the T-shaped shaft groove and the T-shaped shaft, so that the denitration catalyst is turned over, the other end of the denitration catalyst becomes the first contact end which is contacted with the flue gas, the denitration catalyst does not need to be directly replaced, the utilization rate of the denitration catalyst is improved, and the waste is reduced.
Drawings
Fig. 1 is a schematic diagram of the split state architecture of the present invention.
Fig. 2 is a schematic view of the internal cross-sectional structure of the present invention.
Fig. 3 is a partially enlarged structural diagram of a rectangular through hole portion of the present invention.
Fig. 4 is a schematic view of a partially enlarged structure of an isosceles trapezoid sliding groove part of the invention.
FIG. 5 is a schematic structural view of the intermittent ash removal mechanism of the present invention.
Fig. 6 is a schematic view of the driving mechanism of the present invention.
Fig. 7 is a schematic front view of the present invention.
Fig. 8 is a left side view of the present invention.
Fig. 9 is a right view structural diagram of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an upper rectangular housing; 101. a partition plate; 102. a flue gas inlet end; 103. a clean gas outlet end; 104. a filter screen plate; 105. a spring; 106. an extension block; 107. a first heat sink; 108. a barrier plate; 109. a rectangular connecting pipe; 1010. a second heat sink; 1011. a T-shaped shaft; 1012. a lower rectangular housing; 1013. a metal fiber filter bag; 1014. an ammonia gas delivery end; 1015. a delivery end; 1016. an input end; 1017. a rectangular through hole; 1018. a threaded blind hole; 1019. an isosceles trapezoid chute; 1020. a square block; 1021. a circular limiting slide hole; 2. a square housing; 201. a pipe with a round top and a square bottom; 202. a corrugated expansion pipe; 203. a hand wheel; 204. a denitration catalyst; 205. a circular raised block; 3. an intermittent ash removal mechanism; 301. a rectangular impact block; 302. gear teeth; 303. an isosceles trapezoid slider; 304. a ball bearing; 305. a sliding shaft; 306. a return spring; 4. a drive mechanism; 401. a rectangular mounting seat; 402. a motor; 403. an incomplete gear; 5. a rectangular plate; 501. a bolt;
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a dedusting and denitration method, which realizes dedusting and denitration by a dedusting and denitration integrated device provided with an upper rectangular shell 1, a square shell 2, an intermittent ash removal mechanism 3, a driving mechanism 4 and a rectangular plate 5;
dust removal denitration integration equipment including: the device comprises an upper rectangular shell 1, wherein a square shell 2 is arranged at the lower part of the right side of the upper rectangular shell 1; an intermittent ash removal mechanism 3 is slidably mounted on the left side of the top end face of the upper rectangular shell 1, and a driving mechanism 4 which is engaged with the intermittent ash removal mechanism 3 in a transmission manner is fixedly mounted on the left side of the top end face of the upper rectangular shell 1; a rectangular plate 5 is fixedly arranged at the left side part of the bottom end surface of the upper rectangular shell 1; go up rectangle casing 1 including filter screen board 104, spring 105, isosceles trapezoid spout 1019, square block 1020, circular spacing slide opening 1021, go up rectangle casing 1 left side embedded installation one filter screen board 104, and filter screen board 104 is corresponding to rectangle through-hole 1017 middle part, filter screen board 104 left end face and right-hand member respectively with blow dirt heat dissipation chamber left end face and extension piece 106 left end face fixed connection through two spring 105, go up rectangle casing 1 top end face and seted up an isosceles trapezoid spout 1019, and isosceles trapezoid spout 1019 left end face and filter screen board 104 right end face are in same horizontal plane, it is provided with a square block 1020 to go up rectangle casing 1 top end face adjacent isosceles trapezoid spout 1019 right end face position, and square block 1020 left end face central point has seted up a circular spacing slide opening 1021.
Wherein, go up rectangular shell 1 including division board 101, flue gas inlet end 102, net gas outlet end 103, first fin 107, it adopts inside hollow structure to go up rectangular shell 1, it is provided with a division board 101 to go up the inside middle part of rectangular shell 1, and division board 101 will go up rectangular shell 1 inner chamber and separate and be the both sides cavity, the left side is for blowing dirt heat dissipation chamber, the right side is net gas transport chamber, it is provided with the flue gas inlet end 102 that is linked together with blowing dirt heat dissipation chamber to go up rectangular shell 1 left end face, it is provided with the net gas outlet end 103 that is linked together with net gas transport chamber to go up rectangular shell 1 right-hand member face, it is embedded a row of first fin 107 that is linked together with blowing dirt heat dissipation chamber and net gas transport chamber respectively to be installed to.
Wherein, go up rectangular shell 1 including extending piece 106, rectangle through-hole 1017, screw thread blind hole 1018, go up rectangular shell 1 bottom face left side and offer and blow the rectangle through-hole 1017 that the dirt cooling chamber is linked together, and go up rectangular shell 1 bottom face and all offered one screw thread blind hole 1018 for rectangle through-hole 1017 edge contained angle position all around, it is provided with one and extends piece 106 to blow the dirt cooling chamber bottom face adjacent to rectangle through-hole 1017 right-hand member facial position, rectangular plate 5 is including bolt 501, rectangular plate 5 bottom face four edge contained angle positions all peg graft and have a bolt 501, and bolt 501 and screw thread blind hole 1018 thread fixed phase are connected, under the complete thread locking state of bolt 501, 5 top end faces of rectangular plate are laminated with last rectangular shell 1 bottom face mutually, and rectangular plate 5 totally enclosed rectangle through-hole 1017.
Wherein, the upper rectangular shell 1 comprises a baffle plate 108, a rectangular connecting pipe 109, a second heat sink 1010 and a lower rectangular shell 1012, the lower rectangular shell 1012 is arranged under the upper rectangular shell 1, the lower rectangular shell 1012 adopts an internal hollow structure, the bottom end face of the upper rectangular shell 1 is communicated with the top end face of the lower rectangular shell 1012 through a rectangular connecting pipe 109, a dust blowing and heat dissipating cavity is communicated with the inner cavity of the lower rectangular shell 1012 through the rectangular connecting pipe 109, the left end face of the top side of the inner cavity of the rectangular connecting pipe 109 is provided with a baffle plate 108, the top end face of the baffle plate 108 and the bottom end face of the upper rectangular shell 1 are in the same horizontal plane, the width of the baffle plate 108 is consistent with the width of the inner cavity of the rectangular connecting pipe 109, the right end face of the baffle plate 108 is one centimeter away from the right end face of the inner cavity of the rectangular connecting pipe 109, the left end face of the baffle plate 108 is uniformly distributed, the other end is positioned in the inner cavity of the rectangular connecting pipe 109.
The upper rectangular shell 1 comprises a metal fiber filter bag 1013, an ammonia gas delivery end 1014, a delivery end 1015 and an input end 1016, the input end 1016 communicated with the purified gas delivery cavity is arranged at the right side part of the bottom end surface of the upper rectangular shell 1, the delivery end 1015 communicated with the inner cavity of the lower rectangular shell 1012 is arranged at the right side part of the top end surface of the lower rectangular shell 1012, the ammonia gas delivery end 1014 communicated with the inner cavity of the lower rectangular shell 1012 is arranged at the right end surface of the lower rectangular shell 1012, and the metal fiber filter bag 1013 is arranged between the communication part of the inner cavity of the lower rectangular shell 1012 and the communication part of the delivery end 1015.
Wherein, the upper rectangular shell 1 comprises a T-shaped shaft 1011, the middle part of the right end face of the rectangular connecting pipe 109 is provided with the T-shaped shaft 1011, the square shell 2 comprises a hemispherical square pipe 201, corrugated telescopic pipes 202, a hand wheel 203, a denitration catalyst 204 and a round convex block 205, the top end face and the bottom end face of the square shell 2 are both provided with the hemispherical square pipe 201 communicated with the inner cavity of the square shell, the end of each of the two hemispherical square pipes 201 is fixedly connected with one corrugated telescopic pipe 202 by a flange, the two corrugated telescopic pipes 202 are respectively fixedly connected with a flange of a transmitting end 1015 and an input end 1016, the center part of the right end face of the square shell 2 is provided with the hand, and the inside of the square shell 2 is provided with a denitration catalyst 204, the center part of the left end surface of the square shell 2 is provided with a round convex block 205, the axle center part of the round convex block 205 is provided with a T-shaped axle slot, and the circular bump 205 is rotatably connected with the T-shaped shaft 1011 through the T-shaped shaft groove.
Wherein, the intermittent ash cleaning mechanism 3 comprises a rectangular impact block 301, gear teeth 302, an isosceles trapezoid sliding block 303, balls 304, a sliding shaft 305 and a reset spring 306, the length of the rectangular impact block 301 is half of the length of an isosceles trapezoid sliding chute 1019, the bottom end surface of the rectangular impact block 301 is provided with the isosceles trapezoid sliding block 303 with the same length as the rectangular impact block, the left side and the right side of the bottom end surface of the isosceles trapezoid sliding block 303 are respectively embedded with one ball 304 in a rotating way, the middle parts of the two side surfaces of the isosceles trapezoid sliding block 303 are respectively embedded with one ball 304 in a rotating way, the top end surface of the rectangular impact block 301 is sequentially and uniformly provided with six gear teeth 302 from left to right, the right end surface of the rectangular impact block 301 is provided with one sliding shaft 305, the sliding shaft 305 is sleeved with one reset spring 306, the left end of the reset spring 306 is fixedly connected with the right end surface of, the outer end face of the isosceles trapezoid sliding block 303 is not in contact with the inner end face of the isosceles trapezoid sliding groove 1019, the ball 304 is in sliding contact with the inner end face of the isosceles trapezoid sliding groove 1019, the bottom end face of the rectangular impact block 301 is not in contact with the top end face of the upper rectangular shell 1, the sliding shaft 305 is in sliding connection with the circular limiting sliding hole 1021, and the right end of the reset spring 306 is fixedly connected with the left end face of the square block 1020.
The driving mechanism 4 comprises a rectangular mounting seat 401, a motor 402 and an incomplete gear 403, the motor 402 is fixedly mounted on the top end face of the rectangular mounting seat 401, the incomplete gear 403 is connected to the rotating shaft end of the motor 402 in an up-key mode, the number of teeth on the incomplete gear 403 is five, the rectangular mounting seat 401 is fixedly mounted on the top end face of the upper rectangular shell 1, the incomplete gear 403 and the rectangular impact block 301 are located at the same horizontal position, and the incomplete gear 403 is meshed with the gear teeth 302 for transmission.
When in use:
the flue gas pipeline is connected with a flue gas inlet end 102 through a flange, when the flue gas pipeline is applied, the flue gas is input into a dust blowing heat dissipation cavity in the upper rectangular shell 1 through the flue gas inlet end 102, the entering flue gas is firstly contacted with the filter screen plate 104, and a large amount of smoke dust contained in the flue gas is subjected to primary filtering operation through the filter screen plate 104; a row of first radiating fins 107 which are respectively communicated with the dust blowing radiating cavity and the net gas conveying cavity are embedded in the partition plate 101 in an evenly distributed manner, so that heat in high-temperature flue gas entering the dust blowing radiating cavity is firstly conducted into the net gas conveying cavity through the first radiating fins 107, a partition plate 108 is arranged on the left end face of the top side of the inner cavity of the rectangular connecting pipe 109, the top end face of the partition plate 108 and the bottom end face of the upper rectangular shell 1 are in the same horizontal plane, the width of the partition plate 108 is consistent with that of the inner cavity of the rectangular connecting pipe 109, and the distance between the right end face of the partition plate 108 and the right end face of the inner cavity of the rectangular connecting pipe 109 is one centimeter, so that the heat entering the dust blowing radiating cavity can be effectively blocked through the arrangement of the partition plate 108, the flue gas is prevented from being input into the rectangular;
after the flue gas is input into the rectangular connecting pipe 109, because the left end face of the blocking plate 108 is uniformly distributed and is embedded with a row of second radiating fins 1010, one end of each second radiating fin 1010 is positioned at the outer side part of the rectangular connecting pipe 109, and the other end of each second radiating fin 1010 is positioned at the inner cavity part of the rectangular connecting pipe 109, when the flue gas is conveyed along the rectangular connecting pipe 109, the heat in the high-temperature flue gas is transferred to the outer side part of the rectangular connecting pipe 109 through the second radiating fins 1010, so that the heat of the flue gas is further reduced;
after the flue gas is input into the inner cavity of the lower rectangular shell 1012 through the rectangular connecting pipe 109, the flue gas is subjected to secondary filtering operation on residual smoke dust in the flue gas through the metal fiber filter bag 1013; after the flue gas is subjected to secondary dust removal, the flue gas is input into the square shell 2 through the output end 1015 and the corrugated expansion pipe 202, meanwhile, ammonia gas is input into the lower rectangular shell 1012 through the ammonia gas conveying end 1014, and is input into the square shell 2 together with the flue gas through the output end 1015 and the corrugated expansion pipe 202, so that the nitrogen oxides in the flue gas can be removed together with the denitration catalyst 204, the flue gas is subjected to denitration operation, and finally, the flue gas after denitration is input into the purified gas conveying cavity through the corrugated expansion pipe 202 and the input end 1016 and is discharged through the purified gas outlet end 103;
when the device is used, the motor 402 drives the incomplete gear 403 to rotate, the incomplete gear 403 is meshed with the transmission gear teeth 302, so that the rectangular impact block 301 is driven to slide along the right side of the isosceles trapezoid sliding groove 1019 through the isosceles trapezoid sliding block 303 and the ball 304, the ball 304 is in sliding contact with the inner end face of the isosceles trapezoid sliding groove 1019 because the outer end face of the isosceles trapezoid sliding block 303 is not in contact with the inner end face of the isosceles trapezoid sliding groove 1019, the bottom end face of the rectangular impact block 301 is not in contact with the top end face of the upper rectangular shell 1, therefore, smooth and unimpeded sliding is ensured, meanwhile, the sliding shaft 305 slides along the circular limiting sliding hole 1021, the return spring 306 is compressed, after the incomplete gear 403 is disengaged from the gear teeth 302, the rectangular impact block 301 rapidly slides along the left side of the isosceles trapezoid sliding groove 1019 through the isosceles trapezoid sliding block 303 and the ball 304 under the rebound action of, intermittent impact operation is realized through continuous reciprocating meshing driving and tooth disengagement, smoke attached to the filter screen plate 104 is shaken off through vibration sense generated during impact, and the filter screen plate 104 is prevented from being blocked by the smoke and affecting the conveying of smoke; after the application is performed in one stage, the bolts 501 can be disassembled through tools, the rectangular plate 5 is disassembled, and the smoke dust after the earthquake can be conveniently discharged and cleaned through the rectangular through hole 1017;
after a period of time application, when the contact end denitration coefficient of the denitration catalyst 204 which is firstly contacted with the flue gas is gradually reduced, the two corrugated telescopic pipes 202 can be respectively detached from the transmission end 1015 and the input end 1016, and then the square shell 2 is rotated by 180 degrees through the rotary matching of the T-shaped shaft groove and the T-shaped shaft 1011, so that the denitration catalyst 204 is turned over, the other end of the denitration catalyst is changed into the first contact end which is contacted with the flue gas, and therefore, the denitration catalyst 204 does not need to be directly replaced by a new denitration catalyst 204, the utilization rate of the denitration catalyst 204 is improved, and the waste is reduced.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (3)
1. A dust removal and denitration method is characterized by comprising the following steps: the method realizes dust removal and denitration through dust removal and denitration integrated equipment provided with an upper rectangular shell (1), a square shell (2), an intermittent ash removal mechanism (3), a driving mechanism (4) and a rectangular plate (5);
the dedusting and denitration integrated equipment comprises an upper rectangular shell (1), wherein a square shell (2) is arranged at the lower part of the right side of the upper rectangular shell (1); an intermittent ash removal mechanism (3) is slidably mounted on the left side of the top end face of the upper rectangular shell (1), and a driving mechanism (4) in meshing transmission fit with the intermittent ash removal mechanism (3) is fixedly mounted on the left side of the top end face of the upper rectangular shell (1); a rectangular plate (5) is fixedly arranged at the left side part of the bottom end face of the upper rectangular shell (1); the upper rectangular shell (1) comprises a filter screen plate (104), a spring (105), an isosceles trapezoid sliding chute (1019), a square block (1020) and a circular limiting sliding hole (1021), a filter screen plate (104) is embedded in the left side of the upper rectangular shell (1), the filter screen plate (104) corresponds to the middle part of the rectangular through hole (1017), the left end surface and the right end surface of the filter screen plate (104) are respectively and fixedly connected with the left end surface of the dust blowing heat dissipation cavity and the left end surface of the extension block (106) through two springs (105), the top end surface of the upper rectangular shell (1) is provided with an isosceles trapezoid sliding chute (1019), the left end face of the isosceles trapezoid sliding chute (1019) and the right end face of the filter screen plate (104) are positioned on the same horizontal plane, a square block (1020) is arranged on the top end face of the upper rectangular shell (1) adjacent to the right end face of the isosceles trapezoid sliding chute (1019), a round limiting sliding hole (1021) is formed in the center of the left end face of the square block (1020);
the upper rectangular shell (1) comprises a partition plate (101), a smoke inlet end (102), a purified gas outlet end (103) and first radiating fins (107), the upper rectangular shell (1) adopts an internal hollow structure, a partition plate (101) is arranged in the middle part of the inside of the upper rectangular shell (1), the partition board (101) divides the inner cavity of the upper rectangular shell (1) into two side chambers, the left side is a dust blowing heat dissipation chamber, the right side is a clean gas conveying chamber, the left end face of the upper rectangular shell (1) is provided with a smoke inlet end (102) communicated with the dust blowing heat dissipation cavity, the right end face of the upper rectangular shell (1) is provided with a purified gas outlet end (103) communicated with the purified gas conveying cavity, a row of first radiating fins (107) which are respectively communicated with the dust blowing radiating cavity and the purified gas conveying cavity are embedded in the partition plate (101) in a uniformly distributed manner;
the upper rectangular shell (1) comprises an extending block (106), a rectangular through hole (1017) and a threaded blind hole (1018), the rectangular through hole (1017) communicated with the dust blowing and heat dissipating cavity is formed in the left side of the bottom end face of the upper rectangular shell (1), the threaded blind hole (1018) is formed in each of four edge included angles of the bottom end face of the upper rectangular shell (1) relative to the rectangular through hole (1017), the extending block (106) is arranged on the bottom end face of the dust blowing and heat dissipating cavity adjacent to the right end face of the rectangular through hole (1017), the rectangular plate (5) comprises a bolt (501), the bolt (501) is inserted into each of four edge included angles of the bottom end face of the rectangular plate (5), the bolt (501) is fixedly connected with the threaded blind hole (1018) in a threaded manner, and the top end face of the rectangular plate (5) is attached to the bottom end face of the upper rectangular shell (1) in a complete thread locking, the rectangular plate (5) completely seals the rectangular through hole (1017);
the upper rectangular shell (1) comprises a blocking plate (108), a rectangular connecting pipe (109), a second radiating fin (1010) and a lower rectangular shell (1012), wherein the lower rectangular shell (1012) is arranged under the upper rectangular shell (1), the lower rectangular shell (1012) adopts an internal hollow structure, the bottom end face of the upper rectangular shell (1) is communicated with the top end face of the lower rectangular shell (1012) through the rectangular connecting pipe (109), a dust blowing and radiating cavity is communicated with the inner cavity of the lower rectangular shell (1012) through the rectangular connecting pipe (109), the left end face of the top side of the inner cavity of the rectangular connecting pipe (109) is provided with the blocking plate (108), the top end face of the blocking plate (108) and the bottom end face of the upper rectangular shell (1) are positioned on the same horizontal plane, the width of the blocking plate (108) is consistent with the width of the inner cavity of the rectangular connecting pipe (109), and the right end face of the blocking plate (108) is separated from the, the left end face of the blocking plate (108) is uniformly distributed and is provided with a row of second radiating fins (1010) in an embedded mode, one end of each second radiating fin (1010) is located at the outer side portion of the rectangular connecting pipe (109), and the other end of each second radiating fin is located at the inner cavity portion of the rectangular connecting pipe (109).
2. The dust-removing and denitration method of claim 1, wherein: the device comprises an upper rectangular shell (1) and a lower rectangular shell, wherein the upper rectangular shell (1) comprises a metal fiber filter bag (1013), an ammonia gas conveying end (1014), a delivery end (1015) and an input end (1016), the input end (1016) communicated with a purified gas conveying cavity is arranged at the right side part of the bottom end surface of the upper rectangular shell (1), the delivery end (1015) communicated with an inner cavity of the lower rectangular shell (1012) is arranged at the right side part of the top end surface of the lower rectangular shell, the ammonia gas conveying end (1014) communicated with the inner cavity of the lower rectangular shell (1012) is arranged at the right side part of the bottom end surface of the lower rectangular shell, and the metal fiber filter bag (1013) is arranged between the communication part of the inner cavity; the upper rectangular shell (1) comprises a T-shaped shaft (1011), the middle part of the right end face of the rectangular connecting pipe (109) is provided with the T-shaped shaft (1011), the square shell (2) comprises a hemispherical tube (201), corrugated telescopic tubes (202), a hand wheel (203), a denitration catalyst (204) and a round convex block (205), the hemispherical tube (201) communicated with the inner cavity of the square shell is arranged on the top end face and the bottom end face of the square shell (2), the corrugated telescopic tubes (202) are fixedly connected with the ends of the two hemispherical tubes (201) through flanges, the two corrugated telescopic tubes (202) are respectively fixedly connected with a transmission end (1015) and an input end (1016) through flanges, the hand wheel (203) is arranged at the center part of the right end face of the square shell (2), the denitration catalyst (204) is arranged in the square shell (2), the round convex block (205) is arranged at the center part of the left end face of the square shell, and the axle center part of the round convex block (205) is provided with a T-shaped axle slot, and the round convex block (205) is rotationally connected with the T-shaped axle (1011) through the T-shaped axle slot.
3. The dust-removing and denitration method according to claim 2, characterized in that: the intermittent ash cleaning mechanism (3) comprises a rectangular impact block (301), gear teeth (302), an isosceles trapezoid sliding block (303), balls (304), a sliding shaft (305) and a reset spring (306), wherein the length of the rectangular impact block (301) is half of the length of an isosceles trapezoid sliding groove (1019), the isosceles trapezoid sliding block (303) with the same length is arranged on the bottom end face of the rectangular impact block (301), the balls (304) are respectively embedded and rotatably arranged on the left side and the right side of the bottom end face of the isosceles trapezoid sliding block (303), the balls (304) are respectively embedded and rotatably arranged in the middle parts of two side faces of the isosceles trapezoid sliding block (303), the six gear teeth (302) are sequentially and uniformly arranged on the top end face of the rectangular impact block (301) from left to right, the sliding shaft (305) is arranged on the right end face of the rectangular impact block (301), and the reset spring (306) is sleeved on the, the left end of a reset spring (306) is fixedly connected with the right end face of a rectangular impact block (301), an isosceles trapezoid sliding block (303) is slidably mounted in an isosceles trapezoid sliding groove (1019), the outer end face of the isosceles trapezoid sliding block (303) is not contacted with the inner end face of the isosceles trapezoid sliding groove (1019), a ball (304) is slidably contacted with the inner end face of the isosceles trapezoid sliding groove (1019), the bottom end face of the rectangular impact block (301) is not contacted with the top end face of an upper rectangular shell (1), a sliding shaft (305) is slidably connected in a circular limiting sliding hole (1021), and the right end of the reset spring (306) is fixedly connected with the left end face of a square block (1020); actuating mechanism (4) are including rectangle mount pad (401), motor (402), incomplete gear (403), rectangle mount pad (401) top end face fixed mounting has motor (402), and motor (402) pivot is served and is connected with incomplete gear (403) by the key, and the quantity of tooth is five on incomplete gear (403), and rectangle mount pad (401) fixed mounting is on last rectangle casing (1) top end face, and incomplete gear (403) are in same horizontal position with rectangle striking piece (301), and incomplete gear (403) and the meshing of teeth of a cogwheel (302) are mutually transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688274.XA CN111773833B (en) | 2020-07-17 | 2020-07-17 | Dust removal and denitration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688274.XA CN111773833B (en) | 2020-07-17 | 2020-07-17 | Dust removal and denitration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111773833A true CN111773833A (en) | 2020-10-16 |
| CN111773833B CN111773833B (en) | 2021-12-21 |
Family
ID=72764360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010688274.XA Active CN111773833B (en) | 2020-07-17 | 2020-07-17 | Dust removal and denitration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111773833B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844042A (en) * | 2021-01-29 | 2021-05-28 | 中冶华天工程技术有限公司 | Method and system for preventing denitration catalyst from being blocked by sticky dust |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007152204A (en) * | 2005-12-02 | 2007-06-21 | Chugoku Electric Power Co Inc:The | Exhaust gas denitrification equipment |
| CN102698597A (en) * | 2012-06-18 | 2012-10-03 | 中国华电工程(集团)有限公司 | Method and system for preventing catalyst blockage |
| CN205019875U (en) * | 2015-10-12 | 2016-02-10 | 山东省环境保护科学研究设计院 | Flue gas denitration dust collector |
| CN205517659U (en) * | 2016-03-16 | 2016-08-31 | 天津渤化石化有限公司 | Rotatable SCR catalytic device and system |
| CN207708836U (en) * | 2017-12-14 | 2018-08-10 | 杭州凯盛环保工程有限公司 | A kind of SCR flue gas denitrification systems |
| CN210995190U (en) * | 2019-09-27 | 2020-07-14 | 惠州市安谷农业开发有限公司 | Be used for grain production to remove dust device |
-
2020
- 2020-07-17 CN CN202010688274.XA patent/CN111773833B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007152204A (en) * | 2005-12-02 | 2007-06-21 | Chugoku Electric Power Co Inc:The | Exhaust gas denitrification equipment |
| CN102698597A (en) * | 2012-06-18 | 2012-10-03 | 中国华电工程(集团)有限公司 | Method and system for preventing catalyst blockage |
| CN205019875U (en) * | 2015-10-12 | 2016-02-10 | 山东省环境保护科学研究设计院 | Flue gas denitration dust collector |
| CN205517659U (en) * | 2016-03-16 | 2016-08-31 | 天津渤化石化有限公司 | Rotatable SCR catalytic device and system |
| CN207708836U (en) * | 2017-12-14 | 2018-08-10 | 杭州凯盛环保工程有限公司 | A kind of SCR flue gas denitrification systems |
| CN210995190U (en) * | 2019-09-27 | 2020-07-14 | 惠州市安谷农业开发有限公司 | Be used for grain production to remove dust device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844042A (en) * | 2021-01-29 | 2021-05-28 | 中冶华天工程技术有限公司 | Method and system for preventing denitration catalyst from being blocked by sticky dust |
| CN112844042B (en) * | 2021-01-29 | 2023-04-25 | 中冶华天工程技术有限公司 | Method and system for preventing sticky dust from blocking denitration catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111773833B (en) | 2021-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111773833B (en) | Dust removal and denitration method | |
| CN210386707U (en) | Computer clearance dust collector | |
| CN112563917A (en) | Dust protected heat dissipation switch board device suitable for building site | |
| CN111773834B (en) | Dust removal denitration integration equipment | |
| CN114935154A (en) | Energy-concerving and environment-protective high-efficient flue of chimney | |
| CN110173329B (en) | Three-way catalytic converter | |
| CN115468334B (en) | Filtering assembly and filtering method of air source heat pump unit | |
| CN114558696B (en) | Flue gas desulfurization, denitrification and dedusting purification device and purification method thereof for household garbage incinerator | |
| CN216844735U (en) | Desulfurization and denitrification boiler waste heat recovery device | |
| CN210473360U (en) | Air outlet mechanism of low-temperature plasma waste gas treatment equipment | |
| CN214764226U (en) | Special SOx/NOx control dust collector of building engineering | |
| CN114768997A (en) | Electric dust remover | |
| CN101590351B (en) | Static hop-pocket mixed dust removal device and control method thereof | |
| CN210536109U (en) | Dustproof transformer box | |
| CN110864341B (en) | Kitchen oil smoke exhaust-gas treatment equipment | |
| CN209663830U (en) | A kind of cleaning device for computer cabinet | |
| CN109621574B (en) | Sack dust collector of industrial waste gas | |
| CN216017528U (en) | High-efficient radiating aluminium base board structure | |
| CN221230311U (en) | Sintering flue gas SCR denitration reactor | |
| CN110500763A (en) | Air cooler dust keeper and set up its air cooler | |
| CN219376669U (en) | Harmful gas treatment device for environmental protection engineering | |
| CN213408243U (en) | Boiler flue gas denitration device capable of recovering heat | |
| CN221333243U (en) | Flue gas denitration room structure | |
| CN216244910U (en) | Novel mute dustproof air inlet device of full-premix condensation wall-mounted boiler | |
| CN214959134U (en) | Diesel generator with heat dissipation, noise reduction and smoke removal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211202 Address after: 400000 No. 11, Jiangxia Road, Nan'an District, Chongqing Applicant after: SPIC YUANDA ENVIRONMENTAL PROTECTION CATALYST CO.,LTD. Address before: 250000 no.4-2 Chuangye Road, Jitai Road Mechanical Equipment Industrial Park, Taiping Street, Jiyang County, Jinan City, Shandong Province Applicant before: JINAN HONGTAI HUAFENG MACHINERY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |