CN209019991U

CN209019991U - Wet desulphurization filtration system

Info

Publication number: CN209019991U
Application number: CN201821432534.1U
Authority: CN
Inventors: 洪嘉懋; 江坤霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-03
Filing date: 2018-09-03
Publication date: 2019-06-25
Anticipated expiration: 2028-09-03

Abstract

The utility model discloses a kind of wet desulphurization filtration systems, including filter, blender, mixing pump, air pump；The filter is connect by pipeline with blender and air pump by the external stoste to be filtered of pipeline, filter, and the mixing pump is connected to by pipeline with blender.Since the utility model is filtered using filter, addition flocculant and filter aid are not needed, has the advantages that environmental protection, filter effect are good.

Description

Wet desulphurization filtration system

Technical field

The utility model relates to environment protection fields, more particularly to a kind of wet desulphurization filtration system.

Background technique

Currently, exhaust gas desulfurization technology mainly includes wet flue gas desulfurization technology, dry type flue gas desulfurizing technology and half dry type cigarette Desulfurization technology.(1) wet flue gas desulfurization technology is more mature, high-efficient, easy to operate, specifically includes: limestone/lime- Gypsum, indirect limestone-gypsum method, citric acid absorption process.(2) dry type flue gas desulfurizing technology specifically includes active carbon adsorption Method, Electron-beam irradiation, charged dry sorbent injection method, metal oxide doctor treatment.(3) semi-dry fume desulfuration technology has Body includes spray drying process desulfurization, the desulfurization of semi-wet formula, the desulfurization of powder/granule fluid injected bed, in duct sorbent injection desulfurization.Existing skill Art requires to be reacted with quick lime with material, can settle, and the speed of sedimentation is slower, in order to improve efficiency, needs to add Flocculant, filter aid are to accelerate to flocculate, more not environmentally.Moreover, the material moisture after sedimentation is still very high, reach 70%-80% Left and right, transportation cost are higher.

Utility model content

The purpose of this utility model is to provide a kind of good wet desulphurization filtration systems of filter effect.

To achieve the above object, the technical solution of the utility model is:

The utility model is a kind of wet desulphurization filtration system；Including filter, blender, mixing pump, air pump；It is described Filter by the external stoste to be filtered of pipeline, filter is connect by pipeline with blender and air pump, and described stirs Pump is mixed to be connected to by pipeline with blender；

The filter includes filter body, upper cover, more filter distribution pipes, multiple filter core elements, Duo Gegu Determine device；The fixed upper end for snapping onto filter body of the upper cover, forms a closed space；It is opened up on the upper lid There is discharge port；The filter body is equipped with more than one air intlet, and the top of filter body goes out equipped with filtrate Mouthful, lower part is equipped with feed inlet and a Liquid Residue outlet, opens up in its bottom surface by filtered solid outlet；Multiple filter core elements point The bottom of filter body inner cavity, the inner end of more filter distribution pipes and multiple filter cores member are not fixedly mounted on by fixator The liquid outlet of part connects, and the outer end of more filter distribution pipes converges to the filtrate (liquid of filter body.

The more than one air intlet of the filter is connected to by pipeline with air pump, and the filtrate (liquid of filter is logical The inlet communication of piping and blender, the feed inlet of filter are gone out by feed pipe and power-plant flue gas channel, blender Material mouth connection, the Liquid Residue outlet of filter pass through the Liquid Residue inlet communication of pipeline and blender.

Outlet valve is equipped on the discharge pipe of upper cover discharge port；In the pipeline that filter air inlet is connected to air pump It is equipped with air valve；The pipeline that filter filtrate (liquid is connected to blender is equipped with third and stirs valve；In filter and stirring The feed pipe of device connection is equipped with the second inlet valve and the first stirring valve and side connects main feed pipeline on the feed pipe, Main feed pipeline is equipped with the first inlet valve；It exports in filter Liquid Residue and is equipped on the pipeline with blender Liquid Residue inlet communication First recovery valve is equipped with the second recovery valve on filter filtered solid outlet；It is equipped on the pipeline that mixing pump is connected to blender Second stirring valve.

The filter core element includes mesotube, more chimney filters, filter cloth, collecting chambers；The mesotube and Duo Gen chimney filter Lower end be all connected to collecting chamber and more chimney filters are arranged around mesotube, filter cloth is wrapped in the periphery of more chimney filters；Described The middle and upper part of chimney filter opens up multiple filter openings.

After adopting the above scheme, the utility model includes filter, blender, mixing pump, air pump；The filter External filtered fluid, filter are connect by pipeline with blender and air pump, and the mixing pump is connected by pipeline and blender It is logical；Since the utility model is filtered using filter, have the advantage that

(1) addition flocculant, filter aid are not needed, it is more environmentally friendly.(2) occupied area is small, and batch filtration yield is big, filtering effect Fruit is good.(3) can matching materials it is more, corrosion resistance is strong.(4) filtering, no chance of operator error are fully automated.(5) it can set Automatic countercurrent washing extends the filter cloth service life.(6) drying program can be such that cake moisture lowers.(7) it is fully sealed, protects in filter process Hinder personnel safety.(8) pipeline is simple, power supply requirement is low, maintenance cost is low, operating cost is low, personnel cost is low, consumables cost It is low, post processing cost is low, maintenance cost is low etc..

The utility model is further described in the following with reference to the drawings and specific embodiments.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the axonometric drawing of the utility model filter；

Fig. 3 is the axonometric drawing of the utility model filter core element；

Fig. 4 is the working principle diagram of the utility model filter core element.

Specific embodiment

As shown in Figure 1, the utility model is a kind of wet desulphurization filtration system；Including filter 1, blender 2, mixing pump 3, air pump 4.

The filter 1 passes through pipeline and blender 2 and air by the external stoste to be filtered of pipeline, filter 1 4 connection of pump, the mixing pump 3 are connected to by pipeline with blender 2；

As shown in Fig. 2, Fig. 1, the filter 1 includes filter body 11, upper cover 12, more filter distribution pipes 13, multiple filter core elements 14, multiple fixators 15；The fixed upper end for snapping onto filter body of the upper cover 12, forms one A closed space；Discharge port 121 is offered in upper cover 12；The filter body 11 is equipped with two air intlets 110, the top of filter body 11 is equipped with filtrate (liquid 111, and lower part is equipped with feed inlet 112 and a Liquid Residue outlet 113, Its bottom surface is opened up by filtered solid outlet 114；Multiple filter core elements 14 are fixedly mounted on filter by fixator 15 respectively The bottom of 11 inner cavity of ontology, the inner end of more filter distribution pipes 13 are connect with the liquid outlet of multiple filter core elements 14, more mistakes The outer end of filter distribution pipe 13 converges to the filtrate (liquid 111 of filter body 11.

Two air intlets 110 on the filter 1 are connected to by pipeline with two air pumps 4, the filter of filter 1 Liquid outlet 111 is connected to by pipeline with the import 21 of blender 2, and the feed inlet 112 of filter 1 passes through feed pipe and to filter Stoste channel, blender 2 discharge port 22 be connected to, the Liquid Residue of filter 1 outlet 113 is residual by pipeline and blender 2 Liquid import 23 is stayed to be connected to.

Outlet valve 90 is equipped on the discharge pipe of 12 discharge port 121 of upper cover；In 1 air intlet 110 of filter and air The pipeline of 4 connection of pump is equipped with air valve 91；The pipeline that 1 filtrate (liquid 111 of filter is connected to blender 2 is stirred equipped with third Mix valve 92；The second inlet valve 93 and the first stirring valve 94 are equipped on the feed pipe that filter 1 is connected to blender 2 and at this It is other on feed pipe to connect main feed pipeline, the first inlet valve 95 is equipped in main feed pipeline；113 are exported in 1 Liquid Residue of filter The pipeline being connected to 2 Liquid Residue import 23 of blender is equipped with the first recovery valve 96, is equipped on 1 filtered solid outlet 114 of filter Second recovery valve 97；The second stirring valve 98 is equipped on the pipeline that mixing pump 3 is connected to blender 1.

As shown in Figure 3, Figure 4, the filter core element 14 includes mesotube 141, more chimney filters 142, filter cloth 143, afflux Room 144；The lower end of the mesotube 141 and Duo Gen chimney filter 142 is all connected to collecting chamber 144 and more chimney filters 142 are in Pipe 141 is entreated to be arranged, filter cloth 143 is wrapped in the periphery of more chimney filters 142；The middle and upper part of the chimney filter 142 opens up multiple filter openings 1421。

The working principle of the filter core element 14:

The stoste to be filtered is flowed downward by chimney filter 2, is risen in mesotube 1 and is collected, the solid in the stoste to be filtered It is collected in seamless 3 surface of filter cloth, forms a uniform filter cake；Gas 20 is right to inward side to being forced through metal filter candle 2 Filter cake on filter cloth 3 is dried；After 1 vessel empty of filter, the gas that air pump 4 exports is to mesotube 1 and Duo Gen chimney filter 2 Reversed gas flowing pressure impact is carried out, gas falls the expansion of the mud 10 on filter cloth 3.

The filtering technique of the utility model, comprising the following steps:

(1) clean: system automatically cleans filter 1；

(2) feed: the stoste that suction pump will filter is pumped into filter 1 by main feed pipeline, and system detected automatically Pressure in filter 1 when reaching predetermined pressure, closes the first inlet valve 95, stops charging；

(3) pre-flock: starting to be filtered, and when reaching predetermined pressure, starts drain；

(4) drain: the water filtered in filter 1 is exhausted；

(5) dry: air pump 4 starts to be evacuated, and keeps remaining mud 10(as shown in Figure 3, Figure 4) reach preset water content；

(6) blanking: system detection to pressure change, i.e. progress backwash wind, gas 20 expand filter cloth on filter cloth 143, allow Mud 10 after drying falls from filter cloth 143 and falls in aggregate bin.

The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description In the range of being covered with new patent.

Claims

1. a kind of wet desulphurization filtration system, it is characterised in that: including filter, blender, mixing pump, air pump；Described Filter is connect by pipeline with blender and air pump by the external stoste to be filtered of pipeline, filter, the stirring Pump is connected to by pipeline with blender；

The filter includes filter body, upper cover, more filter distribution pipes, multiple filter core elements, multiple fixators； The fixed upper end for snapping onto filter body of the upper cover, forms a closed space；It is offered out on the upper lid Material mouth；The filter body is equipped with more than one air intlet, and the top of filter body is equipped with filtrate (liquid, under Portion is equipped with feed inlet and a Liquid Residue outlet, opens up in its bottom surface by filtered solid outlet；Multiple filter core elements lead to respectively Cross the bottom that fixator is fixedly mounted on filter body inner cavity, the inner end of more filter distribution pipes and multiple filter core elements Liquid outlet connection, the outer end of more filter distribution pipes converges to the filtrate (liquid of filter body.

2. wet desulphurization filtration system according to claim 1, it is characterised in that: the more than one sky of the filter Gas import is connected to by pipeline with air pump, and the filtrate (liquid of filter passes through the inlet communication of pipeline and blender, filter Feed inlet be connected to the discharge port of power-plant flue gas channel, blender by feed pipe, the Liquid Residue of filter, which exports, to be passed through The Liquid Residue inlet communication of pipeline and blender.

3. wet desulphurization filtration system according to claim 2, it is characterised in that: on the discharge pipe of upper cover discharge port Equipped with outlet valve；Air valve is equipped on the pipeline that filter air inlet is connected to air pump；Filter filtrate (liquid with stir The pipeline for mixing device connection is equipped with third and stirs valve；The second inlet valve is equipped on the feed pipe that filter is connected to blender Valve is stirred with first and side connects main feed pipeline on the feed pipe, is equipped with the first inlet valve in main feed pipeline；It is filtering The outlet of device Liquid Residue and the pipeline of blender Liquid Residue inlet communication are equipped with the first recovery valve, set on filter filtered solid outlet There is the second recovery valve；The second stirring valve is equipped on the pipeline that mixing pump is connected to blender.

4. wet desulphurization filtration system according to claim 1, it is characterised in that: the filter core element includes center Pipe, more chimney filters, filter cloth, collecting chambers；The lower end of the mesotube and Duo Gen chimney filter is all connected to collecting chamber and more chimney filters It is arranged around mesotube, filter cloth is wrapped in the periphery of more chimney filters；The middle and upper part of the chimney filter opens up multiple filter openings.