CN214019759U

CN214019759U - Modular ceramic filter environmental protection equipment

Info

Publication number: CN214019759U
Application number: CN202022730211.4U
Authority: CN
Inventors: 宋朋泽; 李刚
Original assignee: Zhejiang Hongsheng New Material Technology Group Co ltd
Current assignee: Zhejiang Hongsheng New Material Technology Group Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-24
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a piece environmental protection equipment is strained to modularization pottery, include: the top of the dust chamber is provided with at least one air inlet, and the bottom of the dust chamber is provided with at least one dust outlet; the air outlet end of the air inlet pipeline is communicated with the air inlet of the dust air chamber; a plurality of ceramic filter elements disposed within the dust chamber, the ceramic filter elements comprising a ceramic fiber filter felt; the air purifying chamber is arranged on one side of the dust gas chamber, and airflow in the dust gas chamber enters the air purifying chamber after flowing through the ceramic filter element; and the air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber. The modular ceramic filter environmental protection equipment has the advantages that the structural design can effectively reduce dust emission, and the modular ceramic filter environmental protection equipment has the characteristics of high temperature resistance, corrosion resistance, small occupied area and the like.

Description

Modular ceramic filter environmental protection equipment

Technical Field

The utility model relates to a flue gas dust removal technical field, more specifically say, relate to a piece environmental protection equipment is strained to modularization pottery.

Background

In the world, environmental protection, energy conservation and emission reduction become key work at present and for a long time in the future. China has already listed the energy-saving and environment-friendly industry as the first of the strategic emerging industry, and the environmental protection of industrial enterprises is the most important. Electric dust removal and bag type dust removal are the leading technologies of industrial environment-friendly dust removal at present, and along with the strictness of the environmental protection policy, the application of the bag type dust removal is wide.

The filter cartridge dust remover is a novel industrial smoke dust filtering device, the process principle of the filter cartridge dust remover is basically consistent with that of a bag type dust remover, gas-solid separation is realized by adopting a physical interception mode, and only a filter element dust removal filter bag is replaced by a dust removal filter cartridge. Due to the improvement of the requirements of energy conservation, consumption reduction, land conservation and the like, the filter cartridge dust remover becomes an upgraded substitute in some working conditions, and is increasingly applied to the dust removal industry at home and abroad. Compared with the traditional bag type dust collector, the filter cartridge dust collector has the characteristics of large effective filtering area, low resistance, low emission, small volume, long service life and the like, and becomes a new development direction of industrial dust collectors.

The problems of large filtration resistance, poor uniformity of airflow distribution and the like often occur in the application of the existing filter cartridge dust remover. In addition, the air inlet direction is not consistent with the settling direction of dust, and dust is easy to raise.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a piece environmental protection equipment is strained to modularization pottery, this piece environmental protection equipment is strained to modularization pottery's structural design can reduce the raise dust effectively.

In order to achieve the above object, the utility model provides a following technical scheme:

an environmentally friendly modular ceramic filter comprising:

the top of the dust chamber is provided with at least one air inlet, and the bottom of the dust chamber is provided with at least one dust outlet;

the air outlet end of the air inlet pipeline is communicated with the air inlet of the dust air chamber;

a plurality of ceramic filter elements disposed within the dust chamber, the ceramic filter elements comprising a ceramic fiber filter felt;

the air purifying chamber is arranged on one side of the dust gas chamber, and airflow in the dust gas chamber enters the air purifying chamber after flowing through the ceramic filter element;

and the air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber.

Preferably, the modular ceramic filter environmental protection equipment further comprises a pre-charging device, wherein the pre-charging device is arranged at the upstream of the plurality of ceramic filter pieces;

the dust and air collecting device is characterized by further comprising a plurality of guide plates arranged in the dust and air chamber, wherein the guide plates are obliquely arranged relative to the side wall of the dust and air chamber.

Preferably, in the above modular ceramic filter environmental protection equipment, the ceramic filter is a ceramic filter plate.

Preferably, in the above modular ceramic filter element environmental protection equipment, the ceramic filter element is a ceramic filter cylinder, and a gap is formed between two adjacent ceramic filter cylinders;

the ceramic filter cylinder comprises a support cylinder, a corrugated filter material coated on the outer wall of the support cylinder, and a first cover and a second cover which are fixedly connected with the two ends of the support cylinder respectively, wherein a plurality of through holes are formed in the wall of the support cylinder, an air outlet is formed in at least one end of the support cylinder, airflow passes through the corrugated filter material and enters the support cylinder, then is discharged from the air outlet formed in at least one end of the support cylinder, and the corrugated filter material is a ceramic fiber filter felt.

Preferably, in the above modular ceramic filter environmental protection equipment, the air inlet duct includes an air inlet pipe and an air inlet box connected with the air outlet end of the air inlet pipe, which are connected in sequence; the air outlet pipeline comprises an air outlet pipe and an air outlet box, wherein the air outlet pipe and the air outlet box are sequentially connected;

the air inlet box and the air outlet box are both horn-shaped, the ventilation section of the air inlet box is gradually increased along the direction close to the dust air chamber, and the ventilation section of the air outlet box is gradually increased along the direction close to the air purifying chamber.

Preferably, the modular ceramic filter environmental protection equipment further comprises a separation supporting plate arranged in the dust air chamber, the separation supporting plate divides the dust air chamber into a first dust separation air chamber and a second dust separation air chamber which are horizontally distributed, and a plurality of ceramic filter pieces are arranged in the first dust separation air chamber and the second dust separation air chamber;

the number of the air purifying chambers is two, and the air flows in the first dust separation air chamber and the second dust separation air chamber respectively enter the two air purifying chambers after passing through the ceramic filter piece.

Preferably, the modular ceramic filter environmental protection equipment further comprises a blowing device arranged in the clean air chamber;

the multiple ceramic filtering pieces in the dust air chamber are arranged in multiple layers from top to bottom, the injection pipes of the injection device are arranged in multiple layers from top to bottom, and the multiple layers of injection pipes are arranged opposite to the air outlet sides of the multiple layers of ceramic filtering pieces respectively.

Preferably, the modular ceramic filter environmental protection equipment further comprises an auxiliary ash removal device arranged in the dust air chamber, wherein the auxiliary ash removal device can spray an ash blowing air flow;

the dust-collecting device also comprises a dust hopper communicated with the dust outlet of the dust air chamber and a dust conveying device connected with the bottom of the dust hopper.

Preferably, in the above environment-friendly modular ceramic filter element device, the ceramic fiber filter felt is further provided with a supported catalyst, and the supported catalyst includes a denitration catalyst, a desulfurization catalyst and/or a VOC-removing catalyst.

Preferably, in the above environment-friendly modular ceramic filter device, the dust chamber and the air purifying chamber are integrated in the same box, and the dust chamber and the air purifying chamber are separated by a partition plate.

When the modular ceramic filter environmental protection equipment provided by the application is used, dust-carrying airflow enters the dust air chamber through the air inlet pipeline and the air inlet at the top of the dust air chamber, gas in the dust air chamber is filtered through a plurality of ceramic filter pieces, airflow after the plurality of ceramic filter pieces are filtered enters the air purifying chamber, and finally the gas in the air purifying chamber can be discharged through the air outlet pipeline. In the filtering process, the dust-carrying airflow enters the dust air chamber through the air inlet at the top of the dust air chamber, so that the air inlet airflow direction is consistent with the falling direction of the dust, the dust can fall to the dust outlet at the bottom of the dust air chamber, the dust can be more favorably settled, and the raised dust is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an environmental protection apparatus for a modular ceramic filter according to an embodiment of the present invention.

In fig. 1:

1-ceramic filter dust remover, 2-air inlet pipe, 3-air inlet box, 4-pre-charging device, 5-guide plate, 6-ceramic filter cartridge, 7-separation plate, 8-left air purifying chamber, 9-left air outlet box, 10-left air outlet pipe, 11-left blowing device, 12-left blowing pipe, 13-right air purifying chamber, 14-right air outlet box, 15-right air outlet pipe, 16-right blowing device, 17-right blowing pipe, 18-ash bucket, 19-ash conveying device, 20-auxiliary ash cleaning device, and 101-box body.

Detailed Description

An object of the utility model is to provide a piece environmental protection equipment is strained to modularization pottery, this piece environmental protection equipment is strained to modularization pottery's structural design can reduce the raise dust effectively.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, the modular ceramic filter environmental protection equipment provided by the present invention comprises a dust chamber, an air inlet duct, a plurality of ceramic filters 6, at least one air purifying chamber and an air outlet duct.

Wherein, the top of the dust and air chamber is provided with at least one air inlet. That is, the top of the dust chamber may be open to form an air inlet, the ventilation section of which covers the entire top of the dust chamber. Or the top of the dust and air chamber can be provided with a plurality of air inlets. The dust-carrying air flow enters the dust chamber through an air inlet at the top of the dust chamber. At least one dust outlet is arranged at the bottom of the dust air chamber, and dust is discharged through the dust outlet at the bottom of the dust air chamber.

The air outlet end of the air inlet pipeline is communicated with the air inlet of the dust air chamber, and dust-carrying air in the air inlet pipeline flows into the dust air chamber through the air outlet end of the air inlet pipeline.

A plurality of ceramic filter elements 6 are arranged inside the dust chamber, the ceramic filter elements 6 comprising ceramic fiber filter mats, i.e. the filter elements 6 are ceramic fiber filter mats.

The number of the air purifying chambers is one or more. The air purifying chamber is arranged at one side of the dust gas chamber, and the airflow in the dust gas chamber enters the air purifying chamber after flowing through the ceramic filter element 6.

The air inlet end of the air outlet pipeline is communicated with the air outlet of the air purifying chamber, and the air entering the air purifying chamber after being filtered can be discharged through the air outlet pipeline.

When the modular ceramic filter environmental protection equipment provided by the application is used, dust-carrying airflow enters the dust air chamber through the air inlet pipeline and the air inlet at the top of the dust air chamber, the gas in the dust air chamber is filtered through the ceramic filter elements 6, the airflow filtered by the ceramic filter elements 6 enters the air purifying chamber, and finally the gas in the air purifying chamber can be discharged through the air outlet pipeline. In the filtering process, the dust-carrying airflow enters the dust air chamber through the air inlet at the top of the dust air chamber, so that the air inlet airflow direction is consistent with the falling direction of the dust, the dust can fall to the dust outlet at the bottom of the dust air chamber, the dust can be more favorably settled, and the raised dust is effectively reduced.

In addition, this utility model in use the pottery to strain 6, ceramic fibre temperature resistant is more than 1000 ℃, and the temperature of filtering the flue gas promotes at double, applicable in the higher flue gas treatment of temperature.

The dust chamber and the gas-cleaning chamber and the components inside them together form a ceramic filter dust separator 1.

In an embodiment, the modular ceramic filter environmental protection equipment may further include a pre-charging device 4, and the pre-charging device 4 is disposed upstream of the ceramic filter 6. Namely, the pre-charging device 4 is positioned at the upstream of the plurality of ceramic filtering pieces 6, and the dust-carrying airflow entering the dust air chamber through the air inlet at the top of the dust air chamber passes through the pre-charging device 4 and then passes through the ceramic filtering pieces 6. Specifically, the pre-charging device 4 may be disposed in the dust chamber, and the pre-charging device 4 is disposed between the air inlet of the dust chamber and the ceramic filter 6. The lower side of the air inlet of the dust and air chamber is provided with the pre-charging device 4, so that dust can be charged, fine dust after charging can be condensed into larger particles, one part of the fine dust directly falls off from the dust outlet along with air flow, and the other part of the fine dust forms a dust layer with a loose structure on the surface of the ceramic filter element 6, and meanwhile, the charging of the dust is favorable for trapping, so that the dust concentration at the inlet of the dust and air chamber can be greatly improved. Test data shows that the modular ceramic filter environmental protection equipment provided with the pre-charging device 4 has the advantages that the filtering efficiency can be improved by one order of magnitude, the filtering resistance is obviously reduced, the filtering speed is favorably improved, and the service life of the ceramic filter 6 is prolonged.

The pre-charging device 4 is fixed in the dust chamber and can be relatively fixed with the dust chamber in a bolt connection mode, a clamping connection mode and the like.

In another embodiment, the modular ceramic filter environmental protection equipment further comprises a plurality of flow deflectors 5 arranged in the dust chamber, and the plurality of flow deflectors 5 are arranged obliquely relative to the side wall of the dust chamber. Namely, the guide plate 5 and the side wall and the bottom wall of the dust chamber are provided with included angles. A plurality of guide plates 5 are fixed in the dust and air chamber, and a gap for air flow to pass through is arranged between two adjacent guide plates 5. So set up, the dust flue gas gets into the dirt air chamber under the guide of guide plate 5, and the dust flue gas changes through 5 back flow direction of guide plate, so not only can overcome the dust and directly erode the ceramic filter 6 and the ceramic filter 6's of wearing and tearing shortcoming easily, can also make the inside air current distribution of dirt air chamber more even, has avoided the existence at air inlet dead angle.

The deflector 5 is fixed inside the dust chamber, and specifically, the deflector 5 may be bolted, clamped or welded inside the dust chamber, which is not limited herein.

Preferably, the plurality of guide plates 5 may be arranged along a continuous bending line, or an included angle between the guide plate 5 and the side wall of the dust and air chamber is not limited, and the shape, the inclination angle and the position of the plurality of guide plates 5 may be set according to actual conditions.

The ceramic filter member 6 is a ceramic filter cartridge with a gap between two adjacent ceramic filter cartridges. Namely, a plurality of ceramic filter cylinders are all fixed in the dust and air chamber, and both ends of the ceramic filter cylinders are connected with the inner wall of the dust and air chamber. Preferably, the dust chamber is square, and two ends of the ceramic filter cartridge can be fixedly connected with two opposite inner walls of the dust chamber respectively.

In this embodiment, the ceramic filter cartridge includes a support cartridge, a pleated filter media, a first cover, and a second cover. Wherein, the fold filter material cladding is on the support cylinder outer wall, and the fold filter material is ceramic fiber filter felt. The first cover and the second cover are respectively fixedly connected with two ends of the supporting cylinder, and the first cover and the second cover can be connected with the supporting cylinder through bolts or clamped, so that subsequent maintenance and overhaul are facilitated.

The wall of the supporting cylinder is provided with a plurality of through holes, so that the air flow passing through the folded filter material enters the supporting cylinder through the through holes on the supporting cylinder. At least one end of the supporting cylinder forms an air outlet, in other words, two ends or one end of the supporting cylinder forms the air outlet of the ceramic filter cylinder.

When the ceramic filter cylinder is used for filtering, dust-carrying air flows through the pleated filter material and then enters the support cylinder, and the air in the support cylinder is discharged through an air outlet of the support cylinder.

Both ends of the ceramic filter cylinder are connected with the side wall of the dust and air chamber. Preferably, the dust chamber is square, and two ends of the ceramic filter cartridge can be fixedly connected with two opposite side walls of the dust chamber respectively. The axial direction of the ceramic filter cartridge may be arranged along a horizontal direction or an included angle between the axial direction of the ceramic filter cartridge and the horizontal plane is an acute angle, which is not limited herein.

The preparation method of the ceramic filter cylinder comprises the following steps of firstly processing the ceramic fiber filter felt into a folded structure, and folding the ceramic fiber filter felt according to the process requirements through a folding machine. The pleated ceramic fiber filter felt is connected at one end to a first cap and at the other end to a second cap to form a high temperature resistant filter cartridge. The supporting cylinder is made of metal materials so as to ensure that the ceramic fiber filter felt cannot deform during blowing and ash removal.

It should be noted that, a through hole communicated with the air purifying chamber is formed in the side wall of the dust air chamber, the air outlet of the supporting cylinder is communicated with the through hole in the side wall of the dust air chamber, and the air outlet of the supporting cylinder is hermetically connected with the side wall of the dust air chamber, so that in a normal process, gas in the dust air chamber can only enter the supporting cylinder through the folded filter material, and gas in the supporting cylinder can only flow into the air purifying chamber.

In another embodiment, the ceramic filter member 6 may be a ceramic filter plate. The dusty gas stream flows from one side of the ceramic filter plate to the other side to effect filtration. The top end and the bottom end of the ceramic filter plate are respectively and fixedly connected with the top wall and the bottom wall of the dust air chamber, and the ceramic filter plate is not limited herein.

Preferably, the air inlet pipeline comprises an air inlet pipe 2 and an air inlet box 3 connected with the air outlet end of the air inlet pipe 2 which are connected in sequence, and dust-carrying air flows enter the dust air chamber after passing through the air inlet pipe 2 and the air inlet box 3 in sequence. The air inlet box 3 may be horn-shaped, and the ventilation section of the air inlet box 3 is gradually increased in a direction close to the dust chamber. Namely, the ventilation section of the air outlet end of the air inlet box 3 is larger than that of the air inlet end. So set up, can further guarantee to get into the air current in the dirt air chamber more even.

The air outlet pipeline comprises an air outlet pipe and an air outlet box, the air outlet pipe is connected with the air inlet end of the air outlet pipe in sequence, and air flow is discharged after passing through the air outlet box and the air outlet pipe in sequence. The air outlet box can be in a horn shape, and the ventilation section of the air outlet box is gradually increased along the direction close to the air purifying chamber. So set up, can further guarantee that the air-out air current is more even.

In another embodiment, the modular ceramic filter environmental protection equipment further comprises a separation supporting plate 7 disposed in the dust air chamber, the separation supporting plate 7 divides the dust air chamber into a first dust separation air chamber and a second dust separation air chamber which are horizontally distributed, and a plurality of ceramic filters 6 are disposed in each of the first dust separation air chamber and the second dust separation air chamber. The quantity of air-purifying room is two, and the air current in the first minute dirt air chamber passes through ceramic filters 6 back gets into in an air-purifying room, and the air current in the second minute dirt air chamber passes through ceramic filters 6 back and gets into in another air-purifying room.

When the first dust-separating air chamber and the second dust-separating air chamber are distributed along the left-right direction, the two air-purifying chambers are distributed into a left air-purifying chamber 8 and a right air-purifying chamber 13. The left air purifying chamber 8 is communicated with an air outlet of the ceramic filter element 6 in the first dust separation air chamber, and the right air purifying chamber 13 is communicated with an air outlet of the ceramic filter element 6 in the second dust separation air chamber. The number of the air outlet pipelines is also two and is respectively a left air outlet pipeline and a right air outlet pipeline, the number of the air outlet boxes is also two and is respectively a left air outlet box 9 and a right air outlet box 14, and the number of the air outlet pipes is also two and is respectively a left air outlet pipe 10 and a right air outlet pipe 15. The left air outlet box 9 and the left air outlet pipeline are communicated with the inside of the left air purifying chamber 8, and the right air outlet box 14 and the right air outlet pipeline are communicated with the inside of the right air purifying chamber 13.

In this embodiment, the supporting plate 7 is divided into a plurality of dust chambers, so that the dust-carrying air flow can enter different dust chambers for filtering, and if parts in some dust chambers are in failure, the rest dust chambers can work normally.

Preferably, the modular ceramic filter environmental protection equipment further comprises a blowing device arranged in the clean air chamber. When the surface ash layer of the ceramic filter element 6 is thick, the flue gas dedusting can be stopped, the blowing device is started, the airflow blown out by the blowing device enters the filter cartridge of the dust chamber and then diffuses outwards from the filter cartridge to blow away the surface ash on the ceramic filter element 6, and the dust falls to the ash outlet. The flow direction of the air flow blown out by the blowing device is opposite to that of the air flow in the flue gas dedusting process.

A plurality of pottery filters 6 in the dirt air chamber can divide the multilayer setting from top to bottom, and the jetting pipe of jetting device divides the multilayer setting from top to bottom, and the multilayer jetting pipe sets up with the air outlet of multilayer pottery filter 6 respectively relatively. So one deck jetting pipe is relative with one deck pottery filter 6, and the deashing in-process, every layer pottery filter 6 can both be blown by jetting pipe spun air current, has improved the deashing efficiency greatly. In addition, the ash removal adopts the whole line of jetting mode, has reduced pulse valve quantity, the cost is reduced.

In order to further improve the deashing effect, above-mentioned modularization pottery filters a environmental protection equipment still including setting up in the indoor supplementary ash removal device 20 of dirt gas, supplementary ash removal device 20 can spout the soot blowing air current to effectively clear away the ceramic and filter 6 dust remover fold depths accumulated dust, improve the ceramic and filter 6 life, improve filtration efficiency.

Preferably, the auxiliary ash removal device 20 is disposed on a side wall of the dust chamber away from the air purifying chamber, and is not limited herein.

In order to collect the dust collected to the dust outlet in time, the modular ceramic filter environment-friendly equipment further comprises a dust hopper 18 communicated with the dust outlet of the dust air chamber and a dust conveying device 19 connected with the bottom of the dust hopper 18. The top opening of the ash hopper 18 is connected with the ash outlet, so that the dust falls into the ash outlet and then enters the ash hopper 18, and finally is transferred through the ash conveying device 19.

In the above embodiments, the ash conveying device 19 may be a screw rod device, a pneumatic device, etc., and is not limited herein.

Based on the above embodiments, the ceramic fiber filter felt is further provided with a supported catalyst. The supported catalyst includes a denitration catalyst, a desulfurization catalyst, and/or a VOC-removing catalyst. Namely, the supported catalyst includes one or any of a denitration catalyst, a desulfurization catalyst and a VOC-removing catalyst.

The ceramic filter element 6 is loaded with catalysts of different types according to actual working condition requirements, and when the ceramic filter element is matched with an auxiliary agent in the using process, harmful substances such as nitric oxide and sulfide can be removed by using the loaded catalyst while dust is filtered, so that the synergistic removal of multiple pollutants is realized.

In a preferred embodiment, the dust chamber and the air purifying chamber are integrated in the same box 101, and the dust chamber and the air purifying chamber are separated by a partition. So, pottery filter 6, charging device 4 in advance, guide plate 5 and jetting device can all be integrated in box 101, the modularization preparation processing of being more convenient for, and all spare parts are accomplished at the mill processing basically, transport the field assembly and can make this modularization pottery filter environmental protection equipment, reduce construction cycle more than 2/3 than ordinary dust remover. During specific application, the single modular ceramic filter element environmental protection equipment can be used according to working conditions and filter areas, and a plurality of modular ceramic filter element environmental protection equipment can be overlapped, connected and combined together for use, so that the occupied space is saved, and the production efficiency is improved.

As a more specific example, the modular ceramic filter environmental protection equipment includes a first dust separation air chamber, a second dust separation air chamber, an air inlet duct, an air inlet box 3, a pre-charging device 4, a guide plate 5, a plurality of ceramic filters 6, a left air purification chamber 8, a left blowing device 11, a left air outlet box 9, a left air outlet duct, a right air purification chamber 13, a right blowing device 16, a right air outlet box 14, a right air outlet duct, a dust hopper 18 and a dust conveying device 19. The pre-charging device 4 and the guide plates 5 are located above the first dust-separating air chamber and the second dust-separating air chamber, the pre-charging device 4 is located above the guide plates 5, and the guide plates 5 are located above top air inlets of the first dust-separating air chamber and the second dust-separating air chamber. All be provided with a plurality of pottery in first minute dirt air chamber and the second minute dirt air chamber and strain 6 air outlets intercommunication, the ceramic in left air purification chamber 8 and the first minute dirt air chamber strains 6 air outlets, and left jetting device 11 is located left air purification chamber 8. The right air purifying chamber 13 is communicated with the air outlet of the ceramic filter element 6 in the second dust separating chamber, and the right blowing device 16 is positioned in the right air purifying chamber 13. The left blowing device comprises a left blowing tube 12 and the right blowing device 16 comprises a right blowing tube 17.

When the modular ceramic filter environment-friendly equipment in the embodiment is used for treating flue gas, dust-carrying airflow sequentially enters the dust air chamber through the air inlet pipeline and the air inlet box 3, and sequentially enters the first dust separation air chamber and the second dust separation air chamber after sequentially passing through the pre-charging device 4 and the guide plate 5 in the dust air chamber. Under the action of the pre-charging device 4, part of fine dust is condensed into large-particle dust, the direction of airflow is changed after passing through the guide plate 5, and part of the large-particle dust falls into the ash bucket 18 under the action of inertia at an accelerated speed. The air flow entering the first dust separation air chamber is filtered by the ceramic filter 6 and then enters the left air purification chamber 8, and the air flow entering the second dust separation air chamber is filtered by the ceramic filter 6 and then enters the right air purification chamber 13. Namely, the dusty airflow enters the interior through the surface of the filter cylinder, the dust is intercepted on the surface, and the clean air respectively enters the air purifying chambers at the two sides through the air outlet of the ceramic filter element 6. Therefore, the modular ceramic filter environmental protection equipment adopts the modes of upper air inlet and side air outlet, dust-containing air flow enters the dust air chamber from the upper part of the dust air chamber, and is filtered and purified by the ceramic filter 6 and then discharged by the air purifying chambers at the left side and the right side of the dust air chamber and the air outlet system. The trend of the air inlet flow is consistent with the falling direction of the dust, so that the dust can be rapidly settled downwards.

Jetting device and supplementary ash removal device 20 are used for straining the cleaing away of 6 surface dusts of piece to the pottery, and the dusty air current filters piece 6 through the pottery, and clean gas enters into the air-purifying chamber after the filtration purification, and the dust is held back and is strained 6 surfaces at the pottery, and after reaching certain pressure value, the jetting device that distributes in left and right air-purifying chamber 13 strains piece 6 to the pottery and carries out the deashing, and supplementary ash removal device 20 synchronous start strengthens the deashing effect. The ceramic filter element 6 is regenerated after ash removal, low-resistance operation is recovered, the auxiliary ash removal device 20 is used for removing dust hidden in folds of the ceramic filter element 6, the trend of the auxiliary ash removal airflow is consistent with that of the dust-containing airflow, and the removal of the dust on the surface of the ceramic filter element 6 is facilitated.

Above-mentioned modularization pottery filters a environmental protection equipment adopts the ceramic fiber filter material that tolerates 700 ℃ high temperature, consequently can directly introduce the dust remover with the high temperature flue gas below 700 ℃, reduces the input of cooling device, reduces the damage of high temperature to equipment, reduces dust pelletizing system running cost. The method has the advantages of simple operation, convenient management, low operating cost, no need of cooling measures, water saving and great reduction of the heat energy recovery cost.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An environment-friendly modular ceramic filter device, comprising:

a plurality of ceramic filter elements (6), a plurality of said ceramic filter elements (6) being disposed inside said dust chamber, said ceramic filter elements (6) comprising a ceramic fiber filter felt;

at least one air purifying chamber arranged at one side of the dust gas chamber, wherein the airflow in the dust gas chamber enters the air purifying chamber after flowing through the ceramic filter element (6);

2. The modular ceramic filter environmental protection apparatus according to claim 1, further comprising a pre-charging device (4), said pre-charging device (4) being disposed upstream of a plurality of said ceramic filter elements (6);

the dust collection chamber is characterized by further comprising a plurality of guide plates (5) arranged in the dust chamber, wherein the guide plates (5) are obliquely arranged relative to the side wall of the dust chamber.

3. The modular ceramic filter environmental protection apparatus according to claim 1, wherein the ceramic filter element (6) is a ceramic filter plate.

4. The modular ceramic filter environmental protection apparatus according to claim 1, wherein the ceramic filter element (6) is a ceramic filter cartridge with a gap between two adjacent ceramic filter cartridges;

5. The modular ceramic filter environmental protection equipment according to claim 1, wherein the air inlet duct comprises an air inlet pipe (2) and an air inlet box (3) connected with the air outlet end of the air inlet pipe (2) which are connected in sequence; the air outlet pipeline comprises an air outlet pipe and an air outlet box, wherein the air outlet pipe and the air outlet box are sequentially connected;

the air inlet box (3) and the air outlet box are horn-shaped, the ventilation section of the air inlet box (3) is gradually increased along the direction close to the dust air chamber, and the ventilation section of the air outlet box is gradually increased along the direction close to the air purifying chamber.

6. The modular ceramic filter environmental protection apparatus according to claim 1, further comprising a separation supporting plate (7) disposed in the dust air chamber, wherein the separation supporting plate (7) divides the dust air chamber into a first dust separation air chamber and a second dust separation air chamber which are horizontally distributed, and a plurality of ceramic filter pieces (6) are disposed in each of the first dust separation air chamber and the second dust separation air chamber;

the number of the air purifying chambers is two, and the air flows in the first dust separating air chamber and the second dust separating air chamber respectively enter the two air purifying chambers after passing through the ceramic filter pieces (6).

7. The modular ceramic filter environmental protection apparatus of claim 1, further comprising a blowing device disposed within the clean air chamber;

a plurality of pottery in the dirt air chamber filter piece (6) divide the multilayer setting from top to bottom, the jetting pipe of jetting device divides the multilayer setting from top to bottom, and the multilayer jetting pipe sets up with the air-out side of multilayer pottery filter piece (6) is relative respectively.

8. The modular ceramic filter environmental protection apparatus according to claim 1, further comprising an auxiliary ash removal device (20) disposed within the dust plenum, the auxiliary ash removal device (20) capable of emitting a stream of soot blowing air;

the dust-collecting device also comprises a dust hopper (18) communicated with the dust outlet of the dust chamber and a dust conveying device (19) connected with the bottom of the dust hopper (18).

9. The modular ceramic filter element environmental protection apparatus according to any one of claims 1 to 8, wherein a supported catalyst is further disposed on the ceramic fiber filter felt, and the supported catalyst comprises a denitration catalyst, a desulfurization catalyst and/or a VOC removal catalyst.

10. The modular ceramic filter environmental protection apparatus according to any one of claims 1 to 8, wherein the dust chamber and the air-purifying chamber are integrated in the same box body, and the dust chamber and the air-purifying chamber are separated by a partition plate.