CN220758642U

CN220758642U - Semi-dry desulfurization flue gas filter equipment convenient to change adsorbent

Info

Publication number: CN220758642U
Application number: CN202322586269.XU
Authority: CN
Inventors: 彭博; 何升
Original assignee: Foshan Zhongtian Environmental Engineering Co ltd
Current assignee: Foshan Zhongtian Environmental Engineering Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-12
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a semi-dry desulfurization flue gas filtering device convenient for replacing an adsorbent, relates to the technical field of filtering devices, and aims to solve the problems that in the prior art, in the desulfurization treatment process of flue gas, solid powder byproducts are generated after the adsorbent reacts with sulfur dioxide in the flue gas, and the air quality is influenced by directly discharging the flue gas. The top of desulfurization case is provided with the gas-supply pipe, the one end fixed mounting that the desulfurization case was kept away from to the gas-supply pipe has the rose box, the inside of rose box is provided with the movable block, and the movable block runs through the rose box, the inside both sides of movable block symmetry respectively are provided with the circulation slotted hole, two the inside of circulation slotted hole all is provided with the sack, the top fixed mounting of sack has places the frame, the top in the sack outside is provided with the restriction frame, and the restriction frame passes through screw fixed connection with the movable block, the centre fixed mounting of rose box below has the blast pipe, the outside fixed mounting of blast pipe has gas flowmeter.

Description

Semi-dry desulfurization flue gas filter equipment convenient to change adsorbent

Technical Field

The utility model relates to the technical field of filter devices, in particular to a semi-dry desulfurization flue gas filter device with an adsorbent convenient to replace.

Background

In the industrial production process, sulfur-containing flue gas is generated, the flue gas needs to be desulfurized, the semi-dry desulfurization process is a method integrating dry desulfurization and wet desulfurization, a certain amount of water is added into a desulfurizing agent to form a suspension, the method has the characteristics of dry desulfurization and wet desulfurization, and the semi-dry desulfurization is mainly suitable for occasions where high-concentration flue dust such as a coal-fired boiler is discharged, and sulfur dioxide and particulate matters can be efficiently removed;

for example, patent publication number CN211216169U (a rotary flue gas semi-dry desulfurization device): the device comprises a smoke swirling chamber, an atomization regulating chamber, a smoke mixing chamber, a drying desulfurization chamber and an ash collecting chamber, wherein the lower end of the drying desulfurization chamber is respectively connected with a smoke collecting box and a smoke outlet pipeline through a smoke collecting pipeline, and the bottom of the ash collecting chamber is provided with an ash discharging port;

although the prior art is convenient for desulfurizing the flue gas, the flue gas after desulfurization cannot be filtered, and in the process of desulfurizing the flue gas, solid powder byproducts are generated after the adsorbent reacts with sulfur dioxide in the flue gas, and the flue gas is directly discharged, so that the air quality is influenced; therefore, the development of a semi-dry desulfurization flue gas filter device convenient for replacing the adsorbent is urgently needed in the market to help people solve the existing problems.

Disclosure of Invention

The utility model aims to provide a semi-dry desulfurization flue gas filtering device with an adsorbent convenient to replace, so as to solve the problem that the adsorbent reacts with sulfur dioxide in flue gas to generate solid powder byproducts in the desulfurization treatment process of the flue gas, and the flue gas is directly discharged to influence the air quality.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a semi-dry desulfurization flue gas filter equipment convenient to change adsorbent, includes the desulfurization case, the top of desulfurization case is provided with the gas-supply pipe, the one end fixed mounting that the desulfurization case was kept away from to the gas-supply pipe has the rose box, the inside of rose box is provided with the movable block, and the movable block runs through the rose box, the inside both sides of movable block symmetry respectively are provided with the circulation slotted hole, two the inside of circulation slotted hole all is provided with the sack, the top fixed mounting of sack has place the frame, the top in the sack outside is provided with the restriction frame, and the restriction frame passes through screw fixed connection with the movable block, the centre fixed mounting of rose box below has the blast pipe, the outside fixed mounting of blast pipe has gas flowmeter.

Preferably, the desulfurizing tank comprises a cylinder tank and a conical tank, the cylinder tank is fixedly arranged above the conical tank, and an air inlet pipe is fixedly arranged above one side of the cylinder tank.

Preferably, a flow guide pipe is fixedly arranged above the inside of the cylinder box, and the upper end of the flow guide pipe extends to the upper side of the cylinder box and is fixedly connected with the gas transmission pipe.

Preferably, the adsorbent spray pipes are symmetrically and fixedly installed above two sides of the cylinder box respectively, the atomizing spray heads are fixedly installed on the inner sides of the cylinder box along one sides of the two adsorbent spray pipes, and the atomizing spray heads are communicated with the adsorbent spray pipes.

Preferably, the front end and the rear end of the filter box are respectively symmetrically provided with an electric cylinder, the outer side of the electric cylinder is provided with a fixed folded plate, the fixed folded plate is fixedly connected with the filter box through screws, one side of a push rod end of the electric cylinder is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with the movable block through screws.

Preferably, an ash bucket is arranged below the desulfurization box, and the lower end of the desulfurization box extends into the ash bucket.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the filter box is arranged at one end of the gas transmission pipe, the movable block is arranged in the filter box, the smoke can be filtered through the cloth bag in the movable block, solid powder in the smoke is removed, the exhaust pipe with the gas flowmeter is arranged below the filter box, the flow of the smoke can be monitored, and along with the filtering treatment of the smoke by the cloth bag, more solid powder in the cloth bag can influence the flow of the smoke, so that when the flow of the smoke is excessively prevented by the solid powder in the cloth bag, the too low flow of the smoke can be monitored by the gas flowmeter, and then the movable block can be driven to move, so that the other cloth bag in the movable block moves to the filter box to filter the smoke, and further, the automatic transformation of the cloth bag is realized through the movement of the movable block, so that the filtering of the smoke can not be stopped when the cloth bag is replaced, the continuous filtering capability of the smoke is improved, and the practicability is increased.

2. According to the utility model, through the arrangement of the desulfurization box, the desulfurization box comprises the cylindrical box and the conical box, the air inlet pipe is positioned in the tangential direction of the cylindrical box, and the discharge end of the air inlet pipe is inclined downwards, so that after the flue gas is input into the desulfurization box, the linear motion is changed into the circular motion, the stable contact between the flue gas and the adsorbent is increased, the flue gas can generate a certain centrifugal force under the circular motion, part of solid dust can be thrown onto the inner wall of the box body, and after the solid dust contacts with the box wall, the inertia force is lost, and the momentum of the inlet speed and the downward gravity fall along the inner wall, so that the practicability is improved.

3. According to the utility model, the two sides of the desulfurization box are respectively provided with the adsorbent spray pipes, and the two adsorbent spray pipes can be respectively connected with the conveying equipment of the two adsorbents in the flue gas desulfurization process by adopting the arrangement of the two adsorbent spray pipes, so that when the adsorbents need to be replaced according to the change of flue gas, the adsorbents can be replaced by the other adsorbents by switching the adsorbent spray pipes, thereby improving the convenience of replacing the adsorbents and the practicability of the filtering device.

Drawings

FIG. 1 is a front view of a semi-dry desulfurization flue gas filter apparatus for facilitating the replacement of an adsorbent in accordance with the present utility model;

FIG. 2 is an enlarged front view of the filter housing of the present utility model;

FIG. 3 is a cross-sectional view of the filter housing of the present utility model;

FIG. 4 is a cross-sectional view of the desulfurization tank of the present utility model;

FIG. 5 is a top view of the desulfurization tank of the present utility model.

In the figure: 1. an air inlet pipe; 2. a desulfurization tank; 201. a cylinder box; 2011. a flow guiding pipe; 202. a conical box; 3. an ash bucket; 4. a gas pipe; 5. a filter box; 6. a movable block; 601. a flow slot; 602. a limiting frame; 7. an electric cylinder; 701. a connecting plate; 702. a fixed folded plate; 8. an exhaust pipe; 801. a gas flow meter; 9. an adsorbent nozzle; 901. an atomizing nozzle; 10. a cloth bag; 1001. and (5) placing the frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a semi-dry desulfurization flue gas filter convenient to change adsorbent, including desulfurization case 2, the top of desulfurization case 2 is provided with gas-supply pipe 4, one end fixed mounting that desulfurization case 2 was kept away from to gas-supply pipe 4 has rose box 5, the inside of rose box 5 is provided with movable block 6, and movable block 6 runs through rose box 5, the inside of rose box 5 is provided with the seal cover along the outside of movable block 6, increase the leakproofness of rose box 5 and movable block 6 contact department, the inside both sides of movable block 6 are provided with the circulation slotted hole 601 respectively symmetrically, the inside of two circulation slotted holes 601 all is provided with sack 10, the top fixed mounting of sack 10 has place frame 1001, the top in the sack 10 outside is provided with restriction frame 602, and restriction frame 602 passes through screw fixed connection with movable block 6, the centre fixed mounting of rose box 5 below has blast pipe 8, the outside fixed mounting of blast pipe 8 has gas flowmeter 801, gas flowmeter 801 is FM15 gas flowmeter, be convenient for measure the gas flow in the blast pipe 8.

Further, the desulfurization case 2 includes drum case 201 and conical case 202, drum case 201 fixed mounting is in the top of conical case 202, the top fixed mounting of drum case 201 one side has intake pipe 1, intake pipe 1 is located drum case 201's tangential direction and intake pipe 1's input discharge end slope downwards for the flue gas becomes circular motion by linear motion after the input desulfurization case 2, can spiral downwardly moving, drum case 201 inside top fixed mounting has honeycomb duct 2011, the upper end of honeycomb duct 2011 extends to drum case 201's top and with gas-supply pipe 4 fixed connection, make the flue gas after the desulfurization can stably flow into in the gas-supply pipe 4.

Further, the top of drum case 201 both sides is symmetry fixed mounting respectively has adsorbent spray tube 9, the external adsorbent supply equipment that has the desulfurization to be handled of adsorbent spray tube 9, the inboard of drum case 201 is along the equal fixed mounting of one side of two adsorbent spray tubes 9 has atomizer 901, atomizer 901 and adsorbent spray tube 9 intercommunication, through the setting that adopts two adsorbent spray tubes 9, in carrying out flue gas desulfurization, two adsorbent spray tubes 9 can connect the conveying equipment of two kinds of adsorbents respectively, when changing according to the flue gas, when needs change the adsorbent, can change into another kind of adsorbent through switching adsorbent spray tube 9, the convenience of changing the adsorbent has been increased.

Further, the front end and the rear end of rose box 5 are provided with electronic jar 7 respectively symmetry, and gas flowmeter 801 and electronic jar 7 all with filter equipment's external control end electric connection, and the outside of electronic jar 7 is provided with fixed folded plate 702, and fixed folded plate 702 passes through screw fixed connection with rose box 5, has increased the stability of electronic jar 7, and one side fixed mounting of the push rod end of electronic jar 7 has connecting plate 701, and connecting plate 701 passes through screw fixed connection with movable block 6 for electronic jar 7 can drive movable block 6 and translate.

Further, the ash bucket 3 is arranged below the desulfurization box 2, the lower end of the desulfurization box 2 extends into the ash bucket 3, and dust falling out of the bottom of the desulfurization box 2 is conveniently collected.

Working principle: when in use, the flue gas flows into the desulfurization box 2 through the gas inlet pipe 1, is changed from linear motion into circular motion, moves downwards in a spiral manner, and simultaneously conveys the adsorbent through the adsorbent spray pipe 9, so that the adsorbent is sprayed out by the atomizing spray nozzle 901, fully contacts and reacts with flowing flue gas, sulfur dioxide in the flue gas is removed to generate solid powder byproducts, the flue gas can generate certain centrifugal force under the circular motion, part of the solid powder dust can be thrown onto the inner wall of the desulfurization box 2, after the solid powder dust contacts with the box wall, the momentum of the inertial force close to the inlet speed and the downward gravity fall into the ash bucket 3 along the inner wall, when the rotating and descending flue gas reaches the conical box 202, the rotating and descending flue gas is closed to the center of the desulfurization box 2 due to the conical shrinkage, the tangential speed of the rotating and when the air flow reaches a certain position at the inner lower end of the conical box 202, the gas flow meter 801 is used for monitoring the flow of the flue gas to be too low when the solid powder in the cloth bag 10 excessively prevents the flow of the flue gas, then the movable block 6 can be driven to move through the electric cylinder 7, the other cloth bag 10 in the movable block 6 can be moved to the inside of the filter box 5 to carry out the filtering work of the flue gas, and the clean flue gas after the filtering is discharged through the exhaust pipe 8.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a semi-dry desulfurization flue gas filter equipment convenient to change adsorbent, includes desulfurization case (2), its characterized in that: the top of desulfurization case (2) is provided with gas-supply pipe (4), the one end fixed mounting that desulfurization case (2) was kept away from to gas-supply pipe (4) has rose box (5), the inside of rose box (5) is provided with movable block (6), and movable block (6) run through rose box (5), the inside both sides of movable block (6) symmetry respectively are provided with circulation slotted hole (601), two the inside of circulation slotted hole (601) all is provided with sack (10), the top fixed mounting of sack (10) has places frame (1001), the top in sack (10) outside is provided with restriction frame (602), and restriction frame (602) pass through screw fixed connection with movable block (6), the centre fixed mounting of rose box (5) below has blast pipe (8), the outside fixed mounting of blast pipe (8) has gas flowmeter (801).

2. The semi-dry desulfurization flue gas filtering apparatus for facilitating the replacement of an adsorbent as claimed in claim 1, wherein: the desulfurization box (2) comprises a cylinder box (201) and a conical box (202), wherein the cylinder box (201) is fixedly arranged above the conical box (202), and an air inlet pipe (1) is fixedly arranged above one side of the cylinder box (201).

3. A semi-dry desulfurization flue gas filter apparatus for facilitating the replacement of an adsorbent as claimed in claim 2, wherein: a flow guide pipe (2011) is fixedly arranged above the inside of the cylinder box (201), and the upper end of the flow guide pipe (2011) extends to the upper side of the cylinder box (201) and is fixedly connected with the gas pipe (4).

4. A semi-dry desulfurization flue gas filter apparatus for facilitating the replacement of an adsorbent as claimed in claim 2, wherein: the upper parts of two sides of the cylinder box (201) are symmetrically and fixedly provided with adsorbent spray pipes (9) respectively, the inner sides of the cylinder box (201) are fixedly provided with atomizing nozzles (901) along one sides of the two adsorbent spray pipes (9), and the atomizing nozzles (901) are communicated with the adsorbent spray pipes (9).

5. The semi-dry desulfurization flue gas filtering apparatus for facilitating the replacement of an adsorbent as claimed in claim 1, wherein: the front end and the rear end of rose box (5) symmetry respectively are provided with electronic jar (7), the outside of electronic jar (7) is provided with fixed folded plate (702), and fixed folded plate (702) and rose box (5) pass through screw fixed connection, one side fixed mounting of the push rod end of electronic jar (7) has connecting plate (701), and connecting plate (701) and movable block (6) pass through screw fixed connection.

6. The semi-dry desulfurization flue gas filtering apparatus for facilitating the replacement of an adsorbent as claimed in claim 1, wherein: an ash bucket (3) is arranged below the desulfurization box (2), and the lower end of the desulfurization box (2) extends into the ash bucket (3).