CN216062714U

CN216062714U - Anti-blocking semi-dry multistage desulfurization device

Info

Publication number: CN216062714U
Application number: CN202121875918.2U
Authority: CN
Inventors: 程文杰; 严俊; 朱家栋; 刘晓玲; 冯满; 王少华
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an anti-clogging semi-dry multi-stage desulfurization device which comprises a tower body, wherein one side of the top of the tower body is fixedly connected with a smoke inlet, the other side of the top of the tower body is provided with a smoke outlet, the top of the tower body is fixedly provided with a powder spray nozzle and a process water spray nozzle, a baffle is fixedly connected with the axis inside the tower body, the left side of the baffle is provided with a stirring mechanism for controlling the accelerated mixing of smoke, the right side of the baffle is provided with a filtering mechanism for filtering smoke dust, the bottom of the tower body is fixedly provided with a pulverizer, and one side of the pulverizer is fixedly provided with a pulverizing motor; according to the utility model, through setting the filtering mechanism and spraying the powder for secondary drying, the flue gas is desulfurized and then flows to the lower part of the filtering mechanism, the water in the flue gas is absorbed again through the lime powder sprayed and recovered by the powder spray head below the filtering mechanism, and multi-stage desulfurization is formed, and a part of the powder is removed through vibration of the filtering mechanism, so that the bag pasting phenomenon is prevented from blocking the bag-type dust remover.

Description

Anti-blocking semi-dry multistage desulfurization device

Technical Field

The utility model relates to the technical field of desulfurization devices, in particular to an anti-blocking semi-dry multistage desulfurization device.

Background

The semi-dry desulfurization process is one of the main flue gas desulfurization and dust removal processes at present, and the semi-dry desulfurization process is characterized in that absorbent slurry or absorbent and industrial water are continuously sprayed and enter an absorption tower to chemically react with sulfur dioxide in flue gas to produce solid ash, so that the sulfur dioxide in the flue gas is removed.

The prior art has the following defects or problems:

1. moisture in the flue gas after present desulfurization equipment desulfurization is difficult to control, can lead to the mixture of lime powder and water to glue in the sack of sack cleaner when the moisture in the flue gas is too high, shines into and sticks up the bag phenomenon, plugs up the sack cleaner to influence the work progress.

2. When the amount of flue gas is too large during desulfurization, the lime powder and the flue gas are not sufficiently mixed, so that the desulfurization rate is reduced, and the flue gas with high sulfur dioxide content is discharged to influence the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-clogging semi-dry multi-stage desulfurization device aiming at the defects of the prior art so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a prevent multistage desulphurization unit of semi-dry process of jam, includes the tower body, tower body top one side fixedly connected with advances the mouth, tower body top opposite side is provided with the outlet flue, tower body top fixed mounting has powder shower nozzle and technology water shower nozzle, the inside axle center department fixedly connected with baffle of tower body, the baffle left side is provided with the rabbling mechanism that control smoke volume mixes with higher speed, the baffle right side is provided with the filtering mechanism who filters the flue gas dust, tower body bottom fixed mounting has the grinder, grinder one side fixed mounting has crushing motor.

Optionally, one end of the smoke outlet is connected with a bag-type dust collector, and a third pipeline is fixedly connected to the bottom of the bag-type dust collector.

Optionally, rabbling mechanism includes agitator motor, transfer line, first puddler and second puddler, agitator motor fixed mounting is at the tower body top, first puddler fixed mounting is at the transfer line outer wall, the second puddler lateral wall rotates to be connected in first puddler one end, agitator motor's output is connected at the transfer line top.

Optionally, filtering mechanism includes shock dynamo, filters shell, filter core and buffering cotton, shock dynamo fixed mounting is at the tower body top, the cotton fixed connection of buffering is at the tower body inner wall, the shock dynamo output is connected inside filtering the shell, filter core fixed mounting is inside filtering the shell, it is cotton at the buffering to filter the shell setting).

Optionally, grinder opposite side fixedly connected with second pipeline, second pipeline one end fixedly connected with holding vessel, the first pipeline of holding vessel bottom fixedly connected with, first pipeline one end fixed connection is in powder shower nozzle one end, powder shower nozzle fixed mounting is in tower body outer wall center department.

Optionally, a flowmeter is fixedly connected to one end of the smoke inlet, and the flowmeter is electrically connected with the stirring motor.

Optionally, the bottom of the third pipeline is fixedly connected to the top of the collection tank.

Compared with the prior art, the utility model provides an anti-blocking semi-dry multistage desulphurization device, which has the following beneficial effects:

1. according to the utility model, the filter mechanism is arranged and sprayed with powder for secondary drying, the filter mechanism comprises the vibration motor, the filter shell, the filter element and the buffer cotton, the flue gas is desulfurized and then flows to the lower part of the filter mechanism, the recycled lime powder is sprayed out by the powder spray head below the filter mechanism to absorb the moisture in the flue gas again and form multi-stage desulfurization, and the powder is partially removed by vibration of the filter mechanism, so that the bag-sticking phenomenon is prevented from blocking the bag-type dust collector;

2. according to the utility model, by arranging the stirrer and the flow machine, the stirring mechanism comprises the stirring motor, the transmission rod, the first stirring rod and the second stirring rod, the flowmeter detects that the smoke volume is too large, and transmits a signal to the stirring motor to accelerate the rotation of the stirring motor, so that firstly, the mixing speed of the medicine is accelerated, and secondly, the second stirring rod is leveled through the centrifugal action, so that the smoke passes through the through holes on the stirring rod, the flow speed of the smoke is reduced, and further, the smoke is fully mixed with the desulfurizer, and the desulfurization rate is improved.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the filter mechanism of the present invention;

FIG. 3 is a partial structural view of the stirring mechanism of the present invention.

In the figure: 1. a tower body; 2. a smoke inlet; 201. a flow meter; 3. a smoke outlet; 4. a powder spray head; 401. a first conduit; 5. a process water spray head; 6. a second conduit; 601. a third pipeline; 7. a stirring motor; 701. a transmission rod; 702. a first stirring rod; 703. a second stirring rod; 8. vibrating a motor; 801. a filter housing; 802. a filter element; 803. buffering cotton; 9. a grinding motor; 901. a pulverizer; 10. a baffle plate; 11. a bag-type dust collector; 12. and (4) a collection tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, in this embodiment: an anti-clogging semi-dry multi-stage desulfurization device comprises a tower body 1, wherein one side of the top of the tower body 1 is fixedly connected with a smoke inlet 2, the other side of the top of the tower body 1 is provided with a smoke outlet 3, the top of the tower body 1 is fixedly provided with a powder spray nozzle 4 and a process water spray nozzle 5, a baffle 10 is fixedly connected at the axis inside the tower body 1, the left side of the baffle 10 is provided with a stirring mechanism for controlling smoke quantity to accelerate mixing, the right side of the baffle 10 is provided with a filtering mechanism for filtering smoke dust, the bottom of the tower body 1 is fixedly provided with a pulverizer 901, and one side of the pulverizer 901 is fixedly provided with a pulverizing motor 9; flue gas gets into 3 discharges of outlet flue in the tower body 1 from advancing the mouth 2, makes the flue gas temperature fall to suitable reaction temperature through 5 blowout process water of process water shower nozzle, and powder shower nozzle 4 spouts lime powder and carries out the desulfurization, and rabbling mechanism can accelerate the mixing speed of medicament and improve work efficiency, and filtering mechanism can prevent that moist mixture from plugging up the dust remover, smashes reaction slag and lime powder that does not react completely through grinder 901, and grinder 901 is provided power by crushing motor 9.

One end of the smoke outlet 3 is connected with a bag-type dust remover 11, and the bottom of the bag-type dust remover 11 is fixedly connected with a third pipeline 601; the bag-type dust collector 11 can remove lime powder mixed in the flue gas, and the lime powder is naturally discharged through the third pipeline 601.

The stirring mechanism comprises a stirring motor 7, a transmission rod 701, a first stirring rod 702 and a second stirring rod 703, the stirring motor 7 is fixedly arranged at the top of the tower body 1, the first stirring rod 702 is fixedly arranged on the outer wall of the transmission rod 701, the side wall of the second stirring rod 703 is rotatably connected to one end of the first stirring rod 702, and the output end of the stirring motor 7 is connected to the top of the transmission rod 701; the stirring motor 7 is not powered by the transmission rod 701, and then drives the first stirring rod 702 and the second stirring rod 703 to rotate.

The filtering mechanism comprises a vibration motor 8, a filtering shell 801, a filter element 802 and buffering cotton 803, the vibration motor 8 is fixedly arranged at the top of the tower body 1, the buffering cotton 803 is fixedly connected to the inner wall of the tower body 1, the output end of the vibration motor 8 is connected to the inside of the filtering shell 801, the filter element 802 is fixedly arranged inside the filtering shell 801, and the filtering shell 801 is arranged on the inner side of the buffering cotton 803; the vibrating motor 8 can drive the filtering shell 801 to vibrate, when smoke passes through, lime powder brought by the smoke falls down through vibration of the filter element 802, the buffer cotton 803 can block part of dust and has a buffering effect on the filtering shell 801, and the filtering shell 801 is prevented from colliding with the tower body 1.

The other side of the pulverizer 901 is fixedly connected with a second pipeline 6, one end of the second pipeline 6 is fixedly connected with a collecting tank 12, the bottom of the collecting tank 12 is fixedly connected with a first pipeline 401, one end of the first pipeline 401 is fixedly connected with one end of a powder spray head 4, and the powder spray head 4 is fixedly arranged at the center of the outer wall of the tower body 1; the pulverizer 901 pulverizes the fallen powder slag, and then discharges the pulverized powder slag into the collecting tank 12 through the second pipeline 6 by gas transportation, and the powder is sprayed out from the powder spray head 4 through the first pipeline 401, so that the lime powder is secondarily utilized to form multi-stage desulfurization.

One end of the smoke inlet 2 is fixedly connected with a flowmeter 201, and the flowmeter 201 is electrically connected with the stirring motor 7; the flowmeter 201 transmits the electric signal to the stirring motor 7 to control the rotation speed of the stirring motor 7.

The bottom of the third pipeline 601 is fixedly connected to the top of the collecting tank 12; the powder which is removed by the bag-type dust collector 11 and is not completely reacted is collected into the collecting tank 12 through the third pipeline 601, so that multi-stage desulfurization is formed, and the utilization rate of the lime powder is improved.

The working principle and the using process of the utility model are as follows: flue gas enters the tower body 1 from the smoke inlet 2 and is discharged from the smoke outlet 3, the smoke inlet amount detected by the flow meter 201 on the smoke inlet 2 is more accurate than the traditional pH value detection, then the powder spray nozzle 4 sprays lime powder, the process water spray nozzle 5 sprays process water to ensure that the flue gas is cooled to a proper reaction temperature, then the flow meter 201 detects the flow and transmits the flow to the stirring motor 7 to control the rotating speed of the stirring mechanism, so that the desulfurization agent and the flue gas are fully stirred, coarse slag produced by the reaction is crushed into powder by the crusher 901 at the bottom of the tower body 1, the powder is discharged into the collecting tank 12 from the second pipeline 6 by gas transportation, then the powder is sprayed out from the powder spray nozzle 4 at one end of the first pipeline 401 by gas transportation through the first pipeline 401 at the bottom of the collecting tank 12 for secondary utilization, the unreacted powder is crushed by the crusher 901 for secondary utilization, form the utilization ratio that multistage desulfurization improves the lime powder, reduce the moisture in the flue gas simultaneously, prevent that the flue gas water content is too high to lead to pasting the bag and making sack cleaner 11 stop up, the flue gas of secondary drying passes through filter mechanism again and shakes through filtering and arrange a part of lime powder down, and the lime powder that does not filter completely is detached again by sack cleaner 11 and is discharged into collection tank 12 by third pipeline 601 and carry out the reuse, has improved the utilization ratio of lime powder.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a multistage desulphurization unit of semi-dry process of anti-clogging which characterized in that: including tower body (1), tower body (1) top one side fixedly connected with advances mouth of cigarette (2), tower body (1) top opposite side is provided with outlet flue (3), tower body (1) top fixed mounting has powder shower nozzle (4) and technology water shower nozzle (5), the inside axle center department fixedly connected with baffle (10) of tower body (1), baffle (10) left side is provided with the rabbling mechanism that control smoke volume mixes with higher speed, baffle (10) right side is provided with the filtering mechanism who filters the flue gas dust, tower body (1) bottom fixed mounting has grinder (901), grinder (901) one side fixed mounting has crushing motor (9).

2. The anti-clogging semi-dry multistage desulfurization device according to claim 1, characterized in that: and one end of the smoke outlet (3) is connected with a bag-type dust collector (11), and the bottom of the bag-type dust collector (11) is fixedly connected with a third pipeline (601).

3. The anti-clogging semi-dry multistage desulfurization device according to claim 1, characterized in that: the stirring mechanism comprises a stirring motor (7), a transmission rod (701), a first stirring rod (702) and a second stirring rod (703), wherein the stirring motor (7) is fixedly installed at the top of the tower body (1), the first stirring rod (702) is fixedly installed on the outer wall of the transmission rod (701), the side wall of the second stirring rod (703) is rotatably connected to one end of the first stirring rod (702), and the output end of the stirring motor (7) is connected to the top of the transmission rod (701).

4. The anti-clogging semi-dry multistage desulfurization device according to claim 1, characterized in that: filtering mechanism includes shock dynamo (8), filters shell (801), filter core (802) and buffering cotton (803), shock dynamo (8) fixed mounting is at tower body (1) top, buffering cotton (803) fixed connection is at tower body (1) inner wall, shock dynamo (8) output is connected inside filtering shell (801), filter core (802) fixed mounting is inside filtering shell (801), it is inboard at buffering cotton (803) to filter shell (801) setting.

5. The anti-clogging semi-dry multistage desulfurization device according to claim 1, characterized in that: the pulverizer (901) is fixedly connected with a second pipeline (6) on the other side, a collecting tank (12) is fixedly connected with one end of the second pipeline (6), a first pipeline (401) is fixedly connected to the bottom of the collecting tank (12), one end of the first pipeline (401) is fixedly connected to one end of a powder spray head (4), and the powder spray head (4) is fixedly installed in the center of the outer wall of the tower body (1).

6. The anti-clogging semi-dry multistage desulfurization device according to claim 1, characterized in that: the cigarette inlet (2) one end fixedly connected with flowmeter (201), flowmeter (201) and agitator motor (7) electricity are connected.

7. An anti-clogging semi-dry multistage desulfurization apparatus according to claim 2 or 5, characterized in that: the bottom of the third pipeline (601) is fixedly connected to the top of the collecting tank (12).