CN219252494U - Chemical adding device for wet desulfurization - Google Patents

Abstract

The utility model relates to a chemical adding device for wet desulfurization, which comprises a desulfurization tank and further comprises: a cylindrical dosing box which is arranged in the desulfurization tank and can rotate around the up-down direction, wherein a plurality of groups of dosing hole groups are arranged at the bottom of the dosing box along the circumferential direction, each group of dosing hole groups comprises at least two dosing holes, and the at least two dosing holes are arranged along the radial direction of the dosing box; the baffles are arranged along the circumferential direction of the dosing box and can synchronously slide along the radial direction of the dosing box, and the multiple groups of dosing hole groups correspond to the multiple baffles one by one. According to the utility model, the stirring device is driven to synchronously rotate by the rotation of the dosing box, so that the drugs and the liquid substances are stirred while dosing is realized, and the dosing holes with different numbers are enabled to carry out dosing into the desulfurization tank by the movement of the movable baffle plate, and the dosing box drives the stirring device to stir the drugs and the liquid substances at different rotation speeds, so that the stirring speed is matched with the dosing speed, and the drugs and the liquid substances are fully fused.

Description

Chemical adding device for wet desulfurization

Technical Field

The utility model relates to the technical field of wet desulfurization, in particular to a chemical adding device for wet desulfurization.

Background

Along with the continuous improvement of sulfur dioxide emission standards, the environmental protection requirements of the liquid material mud production process are also continuously improved, the existing wet desulfurization unit can not meet the related requirements, and the desulfurization efficiency is further improved by adding additives or catalysts and other medicaments in the desulfurization process, so that the sulfur dioxide emission meets the national requirements.

However, the existing dosing equipment cannot adjust the dosing speed, and cannot adjust the stirring speed according to the dosing speed, so that when the dosing speed is high, the medicine cannot be completely dissolved in the liquid substance, and the desulfurization effect is affected.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and disadvantages of the prior art, the present utility model provides a chemical dosing device for wet desulfurization, which solves the technical problem that the stirring speed is not matched with the chemical dosing speed, so that the medicine cannot be completely dissolved in the liquid substance.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a wet flue gas desulfurization is with dosing device, includes the digester, still includes:

a cylindrical dosing box which is arranged in the desulfurization tank and can rotate up and down, wherein a plurality of groups of dosing hole groups which are arranged along the circumferential direction are formed in the bottom of the dosing box, each group of dosing hole groups comprises at least two dosing holes, and the at least two dosing holes are arranged along the radial direction of the dosing box;

the baffle plates are arranged along the circumferential direction of the dosing box, can synchronously slide along the radial direction of the dosing box and are used for shielding the dosing hole groups, the baffle plates can stay at any positions in the moving stroke, and the multiple groups of dosing hole groups are in one-to-one correspondence with the multiple baffle plates;

and the stirring device can synchronously rotate with the dosing tank and is used for stirring the medicines and the liquid substances in the desulfurization tank.

Preferably, the medicine adding device further comprises a plurality of sliding blocks driving the baffle plate to move along the radial direction of the medicine adding box, the sliding blocks correspond to the medicine adding hole groups in a one-to-one mode, and the sliding blocks are arranged at the top end of the medicine adding box.

Preferably, each sliding block corresponds to at least one sliding rod one by one, both ends of each sliding rod are connected with the medicine adding box, and each sliding block is in sliding connection with at least one sliding rod;

the at least one sliding rod is sleeved with a spring, the outer end of the spring is abutted to the dosing box, and the inner end of the spring is abutted to the sliding block.

Preferably, the device further comprises a dosing pipe capable of adding medicines into the dosing box, wherein the dosing pipe is rotationally connected with the desulfurization tank, the top end of the dosing pipe extends out of the desulfurization tank, and the bottom end of the dosing pipe is connected with the dosing box.

Preferably, the device further comprises a medicine storage box fixed at the top end of the desulfurization tank, wherein the bottom end of the medicine storage box is rotationally connected with the medicine adding pipe, and the medicine storage box is communicated with the medicine adding pipe.

Preferably, a switch valve is arranged between the medicine storage box and the medicine adding pipe.

Preferably, the device further comprises a driving device for driving the dosing tube to rotate.

Preferably, the drive means comprises a first gear, a second gear and a rotary drive;

the first gear is sleeved at the upper end of the dosing tube, the second gear is meshed with the first gear, and the rotary driver drives the second gear to rotate.

Preferably, the stirring device comprises a rotating shaft, the top end of the rotating shaft is connected with the bottom end of the dosing tank, and a plurality of stirring rods are arranged at the lower end of the rotating shaft.

Preferably, the desulfurization tank and the dosing tank are both made of transparent materials, and scale marks are arranged on the dosing tank.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the stirring device is driven to synchronously rotate by the rotation of the dosing box, so that the drugs and the liquid substances are stirred while dosing is realized, and the dosing holes with different numbers are enabled to carry out dosing into the desulfurization tank by the movement of the movable baffle plate, and the dosing box drives the stirring device to stir the drugs and the liquid substances at different rotation speeds, so that the stirring speed is matched with the dosing speed, and the drugs and the liquid substances are fully fused.

(2) The slide block overcomes the action of the spring under the action of centrifugal force, drives the baffle to move far away from the center of the dosing box, so that the baffle is far away from the dosing hole, dosing is carried out in the desulfurization tank through the dosing hole, the drugs and liquid substances are stirred through the stirring device, the faster the dosing box rotates, the greater the centrifugal force applied to the slide block and the baffle is, the farther the baffle is away from the center of the dosing box, namely the faster the dosing speed is, and the stirring speed is matched with the dosing speed through the faster the stirring speed.

Drawings

FIG. 1 is a cross-sectional view showing the overall structure of a chemical feeding device for wet desulfurization according to the present utility model;

FIG. 2 is a top view of the dosing tank, slide and slide bar of FIG. 1;

fig. 3 is a bottom view of the dosing tank of fig. 1.

[ reference numerals description ]

1: a desulfurizing tank; 2: a stirring rod; 3: a rotating shaft; 4: a baffle; 5: a dosing box; 6: a slide bar; 7: a spring; 8: a medicine storage box; 9: a rotary driver; 10: a switch valve; 11: a first gear; 12: a second gear; 13: a dosing tube; 14: a connecting rod; 15 sliding blocks; 51: and a medicine adding hole.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Example 1

As shown in fig. 1 and 3, a chemical dosing device for wet desulfurization comprises a desulfurization tank 1, a cylindrical chemical dosing tank 5 which is arranged in the desulfurization tank 1 and can rotate up and down, wherein a plurality of chemical dosing hole groups which are arranged along the circumferential direction are formed at the bottom of the chemical dosing tank 5, each chemical dosing hole group comprises at least two chemical dosing holes 51, and at least two chemical dosing holes 51 are arranged along the radial direction of the chemical dosing tank 5; a plurality of baffles 4 which are arranged along the circumferential direction of the dosing tank 5 and can synchronously slide along the radial direction of the dosing tank 5 and are used for shielding dosing hole groups, wherein the baffles 4 can stay at any position in a moving stroke, and a plurality of groups of dosing hole groups are in one-to-one correspondence with a plurality of baffles 4; a stirring device which can rotate synchronously with the dosing tank 5 and is used for stirring the medicine and liquid substances in the desulfurization tank 1.

In this embodiment, a plurality of groups of dosing holes are uniformly distributed at the bottom of the dosing tank 5.

According to the utility model, the stirring device is driven to synchronously rotate by the rotation of the dosing tank 5, so that the drugs and liquid substances are stirred while dosing is realized, and the dosing holes 51 with different numbers are used for dosing into the desulfurization tank 1 by the movement of the movable baffle plate 4, so that the stirring device is driven by the dosing tank 5 to stir the drugs and the liquid substances at different rotation speeds, and the stirring speed is matched with the dosing speed, so that the drugs and the liquid substances are fully fused.

In this embodiment, a liquid inlet pipe is installed at the upper end of the desulfurization tank 1 to add liquid substances or other substances into the desulfurization tank 1, and a liquid outlet pipe is installed at the lower end to discharge the substances in the desulfurization tank 1.

When the utility model is used, the liquid level of the liquid substance added into the desulfurization tank 1 is at a certain distance from the bottom of the baffle plate 4, so that the liquid substance is prevented from splashing onto the dosing holes 51 during stirring, and the use of the medicine in the dosing box 5 is prevented from being influenced.

As shown in fig. 2, the medicine feeding device further comprises a plurality of sliding blocks 15 for driving the baffle plate 4 to move along the radial direction of the medicine feeding box 5, the sliding blocks 15 are in one-to-one correspondence with the plurality of groups of medicine feeding holes, and the sliding blocks 15 are arranged at the top end of the medicine feeding box 5. The baffle plate 4 is driven by the slide block 15 to move along the radial direction of the dosing box 5 so as to dose drugs into the desulfurization tank 1 through different numbers of dosing holes 51.

In this embodiment, the outer end of the slide block 15 is connected to the outer end of the baffle 4 through the connecting rod 14, so that the slide block 15 drives the baffle 4 to move along the radial direction of the medicine-feeding box 5.

As shown in fig. 2, each sliding block 15 corresponds to at least one sliding rod 6 one by one, two ends of each sliding rod 6 are connected with the medicine adding box 5 through supporting blocks, and the sliding blocks 15 are connected with at least one sliding rod 6 in a sliding manner; at least one slide bar 6 is sleeved with a spring 7, the outer end of the spring 7 is abutted with the dosing box 5, and the inner end of the spring 7 is abutted with the slide block 15. The slider 15 overcomes the effect of the spring 7 under the centrifugal force effect, drives the baffle 4 to move away from the center of the dosing tank 5, so that the baffle 4 is far away from the dosing hole 51, dosing is performed in the desulfurization tank 1 through the dosing hole 51, medicines and liquid substances are stirred through the stirring device, the faster the dosing tank 5 rotates, the greater the centrifugal force suffered by the slider 15 and the baffle 4, the farther the baffle 4 is away from the center of the dosing tank 5, namely the faster the dosing speed is, and the stirring speed is also faster through the stirring speed, so that the stirring speed is matched with the dosing speed.

In this embodiment, each slide block 15 is correspondingly provided with two slide bars 6, and the connecting rod 14 is disposed between the two slide bars 6.

As shown in fig. 1, the chemical adding device further comprises a chemical adding pipe 13 capable of adding the chemical into the chemical adding box 5, the chemical adding pipe 13 is rotatably connected with the desulfurization tank 1, the top end of the chemical adding pipe 13 extends out of the desulfurization tank 1, and the bottom end of the chemical adding pipe is connected with the chemical adding box 5.

As shown in fig. 1, the device further comprises a medicine storage box 8 fixed at the top end of the desulfurization tank 1, wherein the bottom end of the medicine storage box 8 is rotationally connected with a medicine adding pipe 13, and the medicine storage box 8 is communicated with the medicine adding pipe 13. The medicine storage box 8 is fixedly connected with the desulfurization tank 1 through a fixing frame.

As shown in fig. 1, an on-off valve 10 is installed between the medicine storage tank 8 and the medicine feeding pipe 13. By opening or closing the on-off valve 10, the medicine in the medicine storage tank 8 is added into the medicine box 5 through the medicine adding pipe 13.

As shown in fig. 1, the device also comprises a driving device for driving the dosing tube 13 to rotate. The chemical adding pipe 13 is driven to rotate by the driving device, and the chemical adding pipe 13 drives the chemical adding box 5 to rotate, so that the chemical is added into the desulfurization tank 1, and the stirring device is driven to stir the chemical and the liquid substances.

As shown in fig. 1, the driving means comprises a first gear 11, a second gear 12 and a rotary drive 9; the first gear 11 is sleeved on the upper end of the dosing tube 13, the second gear 12 is meshed with the first gear 11, and the rotary driver 9 drives the second gear 12 to rotate. The second gear 12 is driven to rotate by the rotary driver 9, and the second gear 12 drives the first gear 11, the medicine feeding pipe 13, the medicine feeding box 5 and the stirring device to rotate. The second gear 12, the first gear 11, the dosing tube 13, the dosing tank 5 and the stirring device are caused to output different rotational speeds by outputting different rotational speeds by the rotary driver 9, so that the dosing speed and the stirring speed are adjusted.

In this embodiment, the rotary driver 9 may be a servo motor or a motor, as long as the second gear 12 can be driven to rotate and the rotation speed of the second gear 12 can be adjusted.

As shown in fig. 1, the stirring device comprises a rotating shaft 3, the top end of the rotating shaft 3 is connected with the bottom end of a dosing tank 5, and a plurality of stirring rods 2 are arranged at the lower end of the rotating shaft 3. The medicine and the liquid substance are mixed and stirred by the rotation shaft 3 and the stirring rod 2 so that the medicine and the liquid substance are sufficiently fused.

In this embodiment, the desulfurizing tank 1 and the dosing tank 5 are made of transparent materials, such as glass or transparent plastic, so long as chemical reaction with the medicine or liquid substance in the desulfurizing tank 1 is not generated, and the dosing tank 5 is provided with scale marks. The scale marks are arranged on the medicine adding box 5, and when medicines are added into the medicine adding box 5, the medicine storage box 8 can realize quantitative addition according to different liquid substances or other factors so as to ensure proper addition of the medicines.

In this embodiment, the dosing tube 13, the dosing tank 5, the desulfurization tank 1, and the rotation shaft 3 are coaxially arranged. The four coaxial arrangements can prevent the dosing tank 5 or the stirring rod 2 from touching the desulfurization tank 1 in the rotating process, thereby affecting the normal operation of the desulfurization tank.

When the utility model is used, when medicines are required to be added into the medicine adding box 5, the switch valve 10 is opened, the medicines in the medicine storing box 8 enter the medicine adding box 5 through the medicine adding pipe 13, the rotary driver 9 drives the second gear 12 to rotate, the second gear 12 drives the first gear 11, the medicine adding pipe 13, the medicine adding box 5 and the stirring device to rotate, the slide block 15 overcomes the action of the spring 7 under the centrifugal force and drives the baffle plate 4 to move away from the center of the medicine adding box 5, so that the baffle plate 4 is far away from the medicine adding hole 51, medicines and liquid substances are stirred through the medicine adding hole 51, the faster the medicine adding box 5 rotates, the larger the centrifugal force suffered by the slide block 15 and the baffle plate 4 is, the farther the baffle plate 4 is away from the center of the medicine adding box 5, namely the higher the medicine adding speed is, and the stirring speed is matched with the medicine adding speed through the stirring speed.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "upper" a second feature may be the first feature directly above or obliquely above the second feature, or simply indicate that the first feature has a higher level of liquid material than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature has a lower level of liquid material than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. The utility model provides a wet flue gas desulfurization is with dosing device, includes digester (1), its characterized in that still includes:

a cylindrical dosing box (5) which is arranged in the desulfurization tank (1) and can rotate up and down, wherein a plurality of groups of dosing hole groups which are arranged along the circumferential direction are formed in the bottom of the dosing box (5), each group of dosing hole groups comprises at least two dosing holes (51), and the at least two dosing holes (51) are arranged along the radial direction of the dosing box (5);

the baffle plates (4) are arranged along the circumferential direction of the dosing box (5) and can synchronously slide along the radial direction of the dosing box (5) and are used for shielding the dosing hole groups, the baffle plates (4) can stay at any positions in a moving stroke, and the multiple groups of dosing hole groups are in one-to-one correspondence with the multiple baffle plates (4);

and the stirring device can synchronously rotate with the dosing tank (5) and is used for stirring the medicines and the liquid substances in the desulfurization tank (1).

2. The chemical dosing apparatus for wet desulfurization according to claim 1, further comprising a plurality of sliding blocks (15) driving said baffle plate (4) to move radially along said chemical dosing tank (5), said plurality of sliding blocks (15) being in one-to-one correspondence with said plurality of groups of chemical dosing holes, said sliding blocks (15) being disposed at the top end of said chemical dosing tank (5).

3. The chemical dosing apparatus for wet desulfurization according to claim 2, characterized in that each slide block (15) corresponds to at least one slide bar (6), both ends of the slide bar (6) are connected with the chemical dosing tank (5), and the slide block (15) is slidably connected with the at least one slide bar (6);

the spring (7) is sleeved on the at least one sliding rod (6), the outer end of the spring (7) is abutted to the dosing box (5), and the inner end of the spring (7) is abutted to the sliding block (15).

4. A wet desulfurization dosing device according to claim 3, further comprising a dosing tube (13) capable of adding a drug into the dosing tank (5), wherein the dosing tube (13) is rotatably connected with the desulfurization tank (1), and the top end of the dosing tube (13) extends out of the desulfurization tank (1), and the bottom end is connected with the dosing tank (5).

5. The chemical dosing apparatus for wet desulfurization as claimed in claim 4, further comprising a chemical storage tank (8) fixed to a top end of said desulfurization tank (1), wherein a bottom end of said chemical storage tank (8) is rotatably connected to said chemical dosing pipe (13), and said chemical storage tank (8) is in communication with said chemical dosing pipe (13).

6. The chemical dosing apparatus for wet desulfurization according to claim 5, characterized in that an on-off valve (10) is installed between the chemical storage tank (8) and the chemical dosing pipe (13).

7. The chemical dosing apparatus for wet desulfurization according to claim 4, further comprising a driving means for driving said chemical dosing pipe (13) in rotation.

8. A wet desulfurization dosing device according to claim 7, characterized in that the drive means comprise a first gear (11), a second gear (12) and a rotary drive (9);

the first gear (11) is sleeved at the upper end of the dosing tube (13), the second gear (12) is meshed with the first gear (11), and the rotary driver (9) drives the second gear (12) to rotate.

9. The chemical dosing apparatus for wet desulfurization according to any one of claims 1 to 8, characterized in that the stirring apparatus comprises a rotating shaft (3), the top end of the rotating shaft (3) is connected with the bottom end of the chemical dosing tank (5), and a plurality of stirring rods (2) are installed at the lower end of the rotating shaft (3).

10. The chemical dosing apparatus for wet desulfurization according to any one of claims 1 to 8, characterized in that both the desulfurization tank (1) and the chemical dosing tank (5) are made of transparent materials, and that graduation marks are provided on the chemical dosing tank (5).

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