阅读说明：本技术 一种脱硫浆液起泡治理装置及其治理方法 (Desulfurization slurry foaming treatment device and treatment method thereof ) 是由 汪鑫 方绪文 董文强 彭涛 缪蕤 袁林 于 2021-06-22 设计创作，主要内容包括：本发明提供一种脱硫浆液起泡治理装置及其治理方法,包括漂浮机构、溢流杯、水泵；漂浮机构设置于溢流杯上；漂浮机构至少设置有两个,溢流杯的底端设置有水泵的输入端；溢流杯为中空设置,且溢流杯与水泵内部相通；将漂浮机构的部分和溢流杯、水泵一起放置于一级静置池中；调节连接杆与溢流杯之间的螺丝,来调整连接杆与溢流杯之间的夹角,使得浆液液面高于溢流杯杯口两厘米左右；打开水泵开关,可以使得浆液表面的泡沫被吸入溢流杯内,并排出到一级静置池外部。本发明在浆液起泡治理装置中设置有漂浮机构、溢流杯、水泵,使得该装置易于操作、除泡彻底、造价低,可以满足不同浆液池的正常使用。(The invention provides a desulfurization slurry foaming treatment device and a treatment method thereof, wherein the desulfurization slurry foaming treatment device comprises a floating mechanism, an overflow cup and a water pump; the floating mechanism is arranged on the overflow cup; the number of the floating mechanisms is at least two, and the bottom end of the overflow cup is provided with an input end of a water pump; the overflow cup is arranged in a hollow way and is communicated with the inside of the water pump; placing the part of the floating mechanism, the overflow cup and the water pump into a first-stage standing pool; adjusting a screw between the connecting rod and the overflow cup to adjust an included angle between the connecting rod and the overflow cup, so that the liquid level of the slurry is about two centimeters higher than the cup mouth of the overflow cup; and the water pump is switched on, so that the foam on the surface of the slurry can be sucked into the overflow cup and discharged to the outside of the primary standing tank. The slurry foaming treatment device is provided with the floating mechanism, the overflow cup and the water pump, so that the device is easy to operate, thorough in foam removal and low in manufacturing cost, and can meet the normal use requirements of different slurry pools.)

1. The desulfurization slurry bubbling treatment device is characterized by comprising a floating mechanism (1), an overflow cup (2) and a water pump (3);

the floating mechanism (1) is arranged on the overflow cup (2); at least one floating mechanism (1) is arranged, a water pump (3) is arranged at the bottom end of the overflow cup (2), the overflow cup (2) is arranged in a hollow manner, and the overflow cup (2) is communicated with the inside of the water pump (3);

and (3) turning on a switch of the water pump, so that the foam on the surface of the slurry is sucked into the overflow cup (2) and is discharged to the outside of the primary standing tank.

2. The desulfurization slurry foaming treatment device according to claim 1, wherein: the number of the floating mechanisms (1) is three, and the floating mechanisms are arranged at the top section of the outer cup wall of the overflow cup (2) at intervals.

3. The desulfurization slurry foaming control device according to claim 1 or 2, wherein: the overflow cup (2) is fixedly or adjustably connected with the floating mechanism (1).

4. The desulfurization slurry foaming treatment device according to claim 1, wherein: the floating mechanism (1) comprises a floating ball (11) and a connecting rod (12), the floating ball (11) is arranged at the top end of the connecting rod (12), and the bottom end of the connecting rod (12) is arranged on the overflow cup (2).

5. The desulfurization slurry foaming treatment device according to claim 4, wherein: the connecting rod (12) is fixedly connected or adjustably connected with the overflow cup (2).

6. The desulfurization slurry foaming treatment device according to claim 5, wherein: the bottom end fixedly connected with of connecting rod (12) is bolt (121) No. one, interval fixedly connected with is bolt (21) No. two that correspond with connecting rod (12) quantity on the outer cup wall of overflow cup (2), bolt (21) No. two and bolt (121) overlap the setting, the centre bore of bolt (121) and bolt (21) No. two runs through screw (122), the afterbody of screw (122) passes through the nut fastening, bolt (122) and nut cooperation are fixed bolt (121) and bolt (21) No. two.

7. The desulfurization slurry foaming treatment device according to claim 1, wherein: the water pump further comprises a liquid discharge pipe (4), and the input end of the liquid discharge pipe (4) is connected to the output end of the water pump (3).

8. The desulfurization slurry foaming treatment device according to claim 7, wherein: the liquid collecting device further comprises a liquid collecting barrel (5), and an inlet of the liquid collecting barrel (5) is connected with an output end of the liquid discharging pipe (4).

9. The desulfurization slurry foaming treatment device according to claim 1, wherein: the water pump (3) is a submersible pump.

10. A method of remediating desulfurization slurry foaming using the remediation apparatus of any one of claims 1 to 9, comprising: the method comprises the following steps:

s1, when the slurry in the slurry tank reaches a certain level, the foam on the surface and part of the slurry flow into the first-stage standing tank from an overflow pipe arranged at the top section of the outer wall of the slurry tank;

s2, standing the foam and part of the slurry in a first-stage standing pool for a period of time to enable the foam and the slurry to be layered;

s3, placing the part of the floating mechanism (1), the overflow cup (2) and the water pump (3) into a first-stage standing pool, wherein the foaming treatment device floats on the slurry liquid level (6) due to the buoyancy of the floating ball (11);

s4, adjusting the included angle between the connecting rod (12) and the overflow cup (2) to make the cup mouth of the overflow cup (2) lower than the slurry liquid level (6);

s5, turning on a switch of a water pump (3) to enable the foam on the surface of the slurry to be sucked into the overflow cup (2), and finally enter a liquid collecting barrel (5) outside the primary standing pool through the water pump (3) and a liquid discharge pipe (4);

s6, feeding the slurry below the first-stage standing tank into a slurry tank through a liquid pump for continuous use;

s7, if a small amount of sucked slurry exists in the liquid collecting barrel (5), pumping the foam and part of the slurry in the liquid collecting barrel (5) into a secondary standing pool by a liquid pump;

s8 repeats the operation steps S2-S7 until there is no sucked slurry in the liquid collecting tank (5).

Technical Field

The invention relates to the technical field of slurry treatment, in particular to a desulfurization slurry foaming treatment device which is easy to operate and thorough in defoaming and a treatment method thereof.

Background

In coal fired power plant flue gas desulfurization system, the thick liquid in the desulfurization absorption tower can enrich some impurity and lead to the absorption tower thick liquid to bubble at the in-process of constantly circulating, and the quantity that attaches on thick liquid upper portion along with the aggravation foam of degree of bubbling becomes more, leads to desulfurization efficiency to reduce, the gypsum quality descends, also can produce great harm to flue and booster fan, can lead to the unable normal operating of desulfurization system when serious.

In order to avoid vicious circle caused by foam accumulation, some means for eliminating foam are adopted at present; for example, the publication No. CN109966785A discloses a desulfurization slurry foam treatment system and an operating method thereof, which includes an overflow slurry collection tank, an overflow slurry delivery device for delivering overflow slurry and foam to the overflow slurry collection tank, a foam generation device for promoting foam generation and discharge in the overflow slurry collection tank, an overflow slurry collection device for recovering overflow slurry in the overflow slurry collection tank, and a foam removal device for removing foam discharged from the overflow slurry collection tank; according to the patent, an overflow slurry electric valve is opened, slurry and foam on the upper part of an absorption tower enter an overflow slurry collecting box through an absorption tower overflow slurry discharge pipe, a fan is started, an electric valve at the outlet of the fan is opened, the generation of the foam in the overflow slurry collecting box is intensified through a bubbling pipe, the bubble conveying pipe conveys the foam in the overflow slurry collecting box to the surface of a vacuum belt conveyor through blowing air to the overflow slurry collecting box, and various substances such as oil stain and acid insoluble substances which cause foaming can be sucked through the vacuum belt conveyor to break the foam; the arrangement needs to collect the slurry and the foam and then break the foam through the vacuum belt, and the device has high cost, low foam removing efficiency, difficult operation and incomplete foam removing; similarly, the reference document with the publication number CN206881221U also discloses a slurry foam removing device, which comprises a tank body, wherein the tank body is provided with a containing cavity, the tank body is provided with at least one inlet and at least one outlet, the inlet and the outlet are both communicated with the containing cavity, a stirring device is arranged in the containing cavity and used for stirring slurry, and a needling device is arranged in the containing cavity and used for piercing foam in the slurry, wherein the slurry is injected into the containing cavity through the inlet, and is stirred by the stirring device and pierced by the needling device to achieve the purpose of defoaming the slurry, and the defoamed slurry flows out through the outlet; the method has the same defects as the comparison documents, and the foam is only punctured by the needle, so that impurities which cause the foam still exist in the slurry, and the slurry still generates the foam at the later stage, thereby treating the symptoms and not treating the root causes; therefore, the equipment which is easy to operate and can thoroughly remove bubbles needs to be designed for treating the bubbling of the desulfurization slurry.

Disclosure of Invention

The invention aims to solve the technical problem of providing a desulfurization slurry foaming treatment device which is easy to operate and can thoroughly remove foam.

The invention solves the technical problems through the following technical means:

a desulfurization slurry bubbling treatment device, which comprises a floating mechanism (1), an overflow cup (2) and a water pump (3); the floating mechanism (1) is arranged on the overflow cup (2); at least one floating mechanism (1) is arranged, a water pump (3) is arranged at the bottom end of the overflow cup (2), the overflow cup (2) is arranged in a hollow manner, and the overflow cup (2) is communicated with the inside of the water pump (3); and (3) turning on a switch of the water pump, so that the foam on the surface of the slurry is sucked into the overflow cup (2) and is discharged to the outside of the primary standing tank.

The overflow pipe is arranged at the top section of the outer wall of the slurry tank, when the slurry reaches a certain liquid level, foam and partial slurry on the surface of the slurry can flow into the first-stage standing tank from the overflow pipe, so that when the slurry reaches a certain amount, the foam and partial slurry above the slurry can flow out through the overflow pipe, the arrangement not only can improve the working efficiency, but also can reduce the waste of the slurry; standing the foam and part of the slurry in a first-stage standing tank for a period of time to separate the foam and the slurry; then the part of the floating mechanism, the overflow cup and the water pump are placed in a first-stage standing pool together, and the foaming treatment device floats on the liquid level of the slurry under the buoyancy action of the floating mechanism, so that the foaming treatment device can absorb all slurry foam and does not absorb or absorbs a small amount of slurry, and the waste of the slurry is avoided; after the slurry is placed, a switch of the water pump is turned on, so that foam on the surface of the slurry is sucked into the overflow cup and is discharged to the outside of the primary standing pool through the water pump, the slurry below the primary standing pool can be pumped into the slurry pool through the liquid pump for continuous use, and the foam can be effectively removed and the slurry can be prevented from being wasted; the device has low cost and is easy to popularize.

Furthermore, the number of the floating mechanisms (1) is three, and the floating mechanisms are arranged at the top section of the outer cup wall of the overflow cup (2) at intervals.

Has the advantages that: the floating mechanism is arranged at the top section of the outer cup wall of the overflow cup, so that the cup opening of the overflow cup can be ensured to be positioned below the liquid level of the slurry; through setting up three floating mechanism, can effectively guarantee the stability of whole device in the thick liquid pond.

Furthermore, the overflow cup (2) and the floating mechanism (1) are fixedly connected or adjustably connected.

Has the advantages that: through setting up to adjustable the being connected between overflow cup and the floating mechanism, contained angle between can multistage adjustment floating mechanism and the overflow cup, and then the relative distance of adjustment overflow cup and thick liquid level to improve the efficiency that this device absorbed thick liquid foam.

Furthermore, the floating mechanism (1) comprises a floating ball (11) and a connecting rod (12), the floating ball (11) is arranged at the top end of the connecting rod (12), and the bottom end of the connecting rod (12) is arranged on the overflow cup (2).

Furthermore, the connecting rod (12) and the overflow cup (2) are fixedly connected or adjustably connected.

Has the advantages that: through setting up to adjustable being connected between overflow cup and the connecting rod, can multistage adjustment connecting rod and the contained angle between the overflow cup, adjust the distance between floater and the overflow cup, and then the rim of a cup of adjustment overflow cup is less than about two centimetres of thick liquid level, should set up the whole thick liquid foam of absorption that can the maximum probability and do not absorb or absorb the thick liquid a small amount, avoid the waste of thick liquid.

Further, the bottom end of connecting rod (12) is fixedly connected with bolt (121) No. one, interval fixedly connected with and connecting rod (12) quantity on the outer cup wall of overflow cup (2) correspond No. two bolt (21), No. two bolt (21) and bolt (121) overlap the setting, screw (122) have been run through to the centre bore of bolt (121) and No. two bolt (21), the afterbody of screw (122) passes through the nut fastening, screw (122) and nut cooperation are fixed with bolt (121) and No. two bolt (21).

Has the advantages that: through connect a bolt in the bottom of connecting rod, No. two bolts of interval connection on the outer wall of cup of overflow cup to overlap No. two bolts and a bolt and set up, and fixed through the screw nut cooperation, can realize the contained angle between multistage adjustment connecting rod and the overflow cup, make and realize adjustable the being connected between overflow cup and the connecting rod.

Furthermore, the device also comprises a liquid discharge pipe (4), wherein the input end of the liquid discharge pipe (4) is connected with the output end of the water pump (3).

Has the advantages that: through the setting of fluid-discharge tube, be convenient for discharge foam and partial thick liquid the one-level pond of stewing.

Furthermore, the liquid collecting device also comprises a liquid collecting barrel (5), and an inlet of the liquid collecting barrel (5) is connected with an output end of the liquid discharge pipe (4).

Has the advantages that: through the setting of collection liquid bucket, be convenient for collect foam and partial thick liquid, prevent directly to discharge extravagant thick liquid of outside and polluted environment.

Further, the water pump (3) is a submersible pump.

Has the advantages that: through the setting of immersible pump, can realize that the water pump is direct to be contacted with the thick liquid and carry out work, and longer than ordinary water pump's life.

The invention also discloses a method for treating desulfurization slurry foaming by using the treatment device of any one of claims 1 to 9, which comprises the following steps:

s1, when the slurry in the slurry tank reaches a certain level, the foam on the surface and part of the slurry flow into the first-stage standing tank from an overflow pipe arranged at the top section of the outer wall of the slurry tank;

s2, standing the foam and part of the slurry in a first-stage standing pool for a period of time to enable the foam and the slurry to be layered;

s3, placing the part of the floating mechanism (1), the overflow cup (2) and the water pump (3) into a first-stage standing pool, wherein the foaming treatment device floats on the slurry liquid level (6) due to the buoyancy of the floating ball (11);

s4, adjusting the included angle between the connecting rod (12) and the overflow cup (2) to make the cup mouth of the overflow cup (2) lower than the slurry liquid level (6) by about two centimeters;

s5, turning on a switch of a water pump (3) to enable the foam on the surface of the slurry to be sucked into the overflow cup (2), and finally enter a liquid collecting barrel (5) outside the primary standing pool through the water pump (3) and a liquid discharge pipe (4);

s6, feeding the slurry below the first-stage standing tank into a slurry tank through a liquid pump for continuous use;

s7, if a small amount of sucked slurry exists in the liquid collecting barrel (5), pumping the foam and part of the slurry in the liquid collecting barrel (5) into a secondary standing pool by a liquid pump;

s8 repeats the operation steps S2-S7 until there is no sucked slurry in the liquid collecting tank (5).

The invention has the advantages that:

according to the invention, the floating mechanism, the overflow cup and the water pump are arranged in the slurry foaming treatment device, the overflow pipe is arranged at the top section of the outer wall of the slurry pool, when the slurry reaches a certain liquid level, foam on the surface of the slurry and part of the slurry can flow into the first-stage standing pool from the overflow pipe, so that when the slurry reaches a certain amount, the foam and part of the slurry above the slurry can flow out through the overflow pipe, and the arrangement not only can improve the working efficiency, but also can reduce the waste of the slurry; standing the foam and part of the slurry in a first-stage standing tank for a period of time to separate the foam and the slurry; then the part of the floating mechanism, the overflow cup and the water pump are placed in a first-stage standing pool together, and the foaming treatment device floats on the liquid level of the slurry under the buoyancy action of the floating mechanism, so that the foaming treatment device can absorb all slurry foam and does not absorb or absorbs a small amount of slurry, and the waste of the slurry is avoided; after the slurry is placed, a switch of the water pump is turned on, so that foam on the surface of the slurry is sucked into the overflow cup and is discharged to the outside of the primary standing pool through the water pump, the slurry below the primary standing pool can be pumped into the slurry pool through the liquid pump for continuous use, and the foam can be effectively removed and the slurry can be prevented from being wasted; the device has low cost and is easy to popularize.

According to the invention, the three floating mechanisms are arranged on the outer cup wall of the overflow cup, so that the stability of the whole device in the slurry pool can be effectively ensured.

According to the invention, the overflow cup is in adjustable connection with the connecting rod, the included angle between the connecting rod and the overflow cup can be adjusted in multiple stages, so that the distance between the floating ball and the overflow cup is adjusted, the cup opening of the overflow cup is adjusted to be about two centimeters lower than the liquid level of the slurry, and the overflow cup can absorb all slurry foam at the maximum probability and does not absorb or slightly absorbs the slurry, so that the slurry waste is avoided.

According to the invention, the overflow cup and the floating mechanism are in adjustable connection, so that the included angle between the floating mechanism and the overflow cup can be adjusted in multiple stages, and further the relative distance between the overflow cup and the liquid level of the slurry is adjusted, thereby improving the efficiency of absorbing slurry foam by the device.

According to the invention, through the arrangement of the liquid collecting barrel, foam and partial slurry are conveniently collected, and the slurry is prevented from being directly discharged to the outside to waste and pollute the environment.

The invention can realize the direct contact of the water pump and the slurry for working by arranging the submersible pump, and has longer service life than the common water pump.

Drawings

FIG. 1 is a perspective view of a desulfurization slurry foaming control apparatus according to example 1 of the present invention;

FIG. 2 is a front sectional view of a desulfurization slurry foaming control device in example 1 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.

Example one

As shown in fig. 1, the present embodiment provides a desulfurization slurry bubbling treatment device, which includes a floating mechanism 1, an overflow cup 2, a water pump 3, a liquid discharge pipe 4, and a liquid collecting bucket 5.

As shown in fig. 1, the floating mechanism 1 includes at least one floating ball 11 and connecting rods 12 corresponding to the number of the floating balls 11; each floating ball 11 is connected to the top end of the corresponding connecting rod 12, and the floating ball 11 is hollow, so that the foaming treatment device can effectively float on the surface of slurry; the floating ball 11 is fixedly connected or can be adjustably connected with the connecting rod 12, the distance between the floating ball 11 and the overflow cup 2 can be adjusted by adjusting the angle of the floating ball 11, and further the relative distance between the overflow cup 11 and the slurry liquid level 6 is adjusted, and the floating ball 11 and the connecting rod 12 in the embodiment are fixedly connected; the first bolt 121 is fixedly connected to the bottom end of the connecting rod 12, and the overflow cup 2 is connected to the connecting rod 12 through the first bolt 121 and used for loading foam; the embodiment is exemplified by providing three floating mechanisms 1, and forming an equilateral triangle between the floating mechanisms 1 when viewed from above, and the arrangement can effectively ensure the stability of the whole device in the slurry pool.

As shown in fig. 1, the overflow cup 2 is cylindrical, and the overflow cup 2 is hollow, so that the foam is convenient to transport; the top section of the outer cup wall of the overflow cup 2 is connected with a plurality of floating mechanisms 1 at intervals, the overflow cup 2 and the floating mechanisms 1 are fixedly connected or adjustably connected, and the embodiment is exemplified by adjustable connection; as shown in fig. 2, the second bolts 21 corresponding to the connecting rods 12 are fixedly connected to the outer wall of the overflow cup 2 at intervals, when the angle is adjusted, the second bolts 21 and the first bolts 121 are overlapped, the screws 122 penetrate through the central holes of the first bolts 121 and the second bolts 21, the screws 122 are fastened through the nuts, the first bolts 121 and the second bolts 21 are fixed through the nuts and the screws 122, so that the adjustable connection between the overflow cup 2 and the floating mechanism 1 is realized, the arrangement can adjust the included angle between the connecting rods 12 and the overflow cup 2 in multiple stages to adjust the distance between the floating ball 11 and the overflow cup 2, further adjust the cup mouth of the overflow cup 11 to be about 6 centimeters lower than the liquid level of the slurry, and the arrangement can absorb all slurry foam at the maximum probability and absorb no slurry or a small amount of slurry, thereby avoiding the waste of the slurry; the bottom end of the overflow cup 2 is connected with a water pump 3, and the overflow cup 2 is communicated with the inside of the water pump 3.

The overflow cup 2, the connecting rod 12 and the screw 122 in the embodiment are made of bidirectional stainless steel 2205 alloy materials with good corrosion resistance, and the overflow cup and the connecting rod can be well prevented from being corroded in slurry through the bidirectional stainless steel 2205 alloy materials.

The input end of the water pump 3 is connected to the bottom end of the overflow cup 2, the output end of the water pump 3 is connected with a liquid discharge pipe 4, and when a switch of the submersible pump is turned on, foam on the surface of the slurry can be sucked into the overflow cup 2 and finally enters the liquid collecting barrel 5 through the liquid discharge pipe 4; the water pump 3 in this embodiment is a submersible pump.

The input end of the liquid discharge pipe 4 is connected with the output end of the water pump 3; the outer wall of the output end of the liquid discharge pipe 4 extending out of the first-stage standing pool (not shown) is connected with a liquid collecting barrel 5 for transporting slurry foam.

The liquid collecting barrel 5 is positioned outside the primary standing pool and is used for collecting slurry foam; the inlet of the liquid collecting barrel 5 is connected with the output end of the liquid discharge pipe 4.

The overflow pipe is arranged at the top section of the outer wall of the slurry tank, when the slurry reaches a certain liquid level, foam and partial slurry on the surface of the slurry can flow into the first-stage standing tank from the overflow pipe, and when the slurry reaches a certain amount, the foam and partial slurry above the slurry can flow out through the overflow pipe; standing the foam and part of the slurry in a first-stage standing tank for a period of time to separate the foam and the slurry; then the part of the floating mechanism 1, the overflow cup 2 and the water pump 3 are placed in a first-stage standing pool together, and the foaming treatment device floats on the slurry liquid level 6 under the buoyancy action of the floating ball 11; at this time, a screw 122 penetrating through center holes of the first bolt 121 and the second bolt 21 is removed, after a proper included angle is adjusted between the connecting rod 12 and the overflow cup 2, the first bolt 121 and the second bolt 21 are fixed through a nut and the screw 122, the included angle between the connecting rod 12 and the overflow cup 2 is adjusted, the liquid level 6 of the serous fluid is about two centimeters higher than the cup mouth of the overflow cup 2, and the device can absorb all serous fluid foams at the maximum probability and does not absorb or absorbs a small amount of serous fluid, so that the serous fluid waste is avoided; after the slurry is placed, a switch of the water pump 3 is turned on, so that foam on the surface of the slurry is sucked into the overflow cup 2, and finally enters the liquid collecting barrel 5 outside the primary standing pool through the water pump 3 and the liquid discharge pipe 4, the slurry below the primary standing pool can be pumped into the slurry pool through the liquid pump for continuous use, and the foam can be effectively removed and the slurry can be prevented from being wasted; if a small amount of sucked slurry exists in the liquid collecting barrel 5, foam and part of slurry in the liquid collecting barrel 5 can be pumped into a secondary standing tank through a liquid pump, the steps are repeated until no sucked slurry exists in the liquid collecting barrel 5, the foam can be effectively removed, the slurry is prevented from being wasted, the slurry foaming treatment device is easy to operate and low in manufacturing cost, the foam in the slurry tank can be completely treated through the mutual matching of the steps, and when the angle is adjusted, the first bolt 121 and the second bolt 21 are overlapped and penetrate through the central holes of the first bolt 121 and the second bolt 21 through the screw 122.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.