阅读说明：本技术 一种提高聚合氯化铝纯度的装置 (Device for improving purity of polyaluminum chloride ) 是由 宋晓江 于 2021-07-20 设计创作，主要内容包括：本发明公开一种提高聚合氯化铝纯度的装置,包括第一塔体以及文丘里装置,文丘里装置包括收缩管、喉管和扩散管,喉管内设有喷淋器,喷淋器通过第一供液管连接储液池,收缩管与高压风机的出风口连接,扩散管与第一塔体的进液口连接,第一塔体内部的顶端设有喷淋装置,喷淋装置通过第二供液管连接药液池,进液口位于喷淋装置的下方,进液口的下方设有过滤装置,过滤装置的下方设有中和池,中和池连接有引风机,将聚合氯化铝液体雾化喷入到第一塔体内,与喷淋装置喷出的铁盐溶液接触反应,提高了反应速度,反应之后产生的水不溶性物质以及杂质通过过滤装置进行过滤,通过引风机加快的过滤的速度,大大提高了提纯的效率,加快的工作进度。(The invention discloses a device for improving the purity of polyaluminium chloride, which comprises a first tower body and a Venturi device, wherein the Venturi device comprises a contraction pipe, a throat pipe and a diffusion pipe, a sprayer is arranged in the throat pipe and is connected with a liquid storage tank through a first liquid supply pipe, the contraction pipe is connected with an air outlet of a high-pressure fan, the diffusion pipe is connected with a liquid inlet of the first tower body, the top end of the interior of the first tower body is provided with the sprayer, the sprayer is connected with a liquid medicine tank through a second liquid supply pipe, the liquid inlet is positioned below the sprayer, a filtering device is arranged below the liquid inlet, a neutralization tank is arranged below the filtering device and is connected with an induced draft fan, the polyaluminium chloride liquid is atomized and sprayed into the first tower body to be in contact reaction with an iron salt solution sprayed by the sprayer, the reaction speed is improved, and water-insoluble substances and impurities generated after the reaction are filtered through the filtering device, through the filtering speed that the draught fan accelerates, the efficiency of purification has been improved greatly for the job schedule of acceleration.)

1. A device for improving the purity of polyaluminium chloride is characterized by comprising a first tower body, wherein a liquid inlet is arranged on the side wall of the first tower body, the liquid inlet is connected with a high-pressure fan through a Venturi device, the Venturi device comprises a contraction pipe, a throat pipe and a diffusion pipe, a sprayer is arranged in the throat pipe, the sprayer is connected with a liquid storage tank through a first liquid supply pipe, a first water pump is installed on the first liquid supply pipe, the contraction pipe is connected with an air outlet of the high-pressure fan, the diffusion pipe is connected with the liquid inlet of the first tower body, a spraying device is arranged at the top end inside the first tower body, the spraying device is connected with a liquid medicine tank through a second liquid supply pipe, a second water pump is arranged on the second liquid supply pipe, the liquid inlet is positioned below the spraying device, a filtering device is further arranged in the first tower body, and the filtering device is positioned below the liquid inlet, the utility model discloses a neutralization pond, including filter equipment, neutralization pond, conveyer pipe, evaporating pot, condenser, evaporator, and the bottom of evaporating pot, filter equipment's below is equipped with the neutralization pond, the neutralization pond is connected with the draught fan, the bottom in neutralization pond is equipped with the leakage fluid dram, leakage fluid dram department is equipped with first valve, one side in neutralization pond is equipped with the dog-house, the dog-house is equipped with sealed lid, the neutralization pond is equipped with the PH tester, the leakage fluid dram in neutralization pond passes through the duct connections second tower body, be equipped with the third water pump on the conveyer pipe, be equipped with the evaporating pot in the second tower body, conveyer pipe and evaporating pot intercommunication, the evaporating pot is equipped with heating device, the top of evaporating pot is connected with the condenser through the steam pipe, the bottom of evaporating pot is equipped with the bin outlet.

2. The device for improving the purity of the polyaluminum chloride of claim 1, wherein an air purification device is connected to an air inlet of the high-pressure fan.

3. The apparatus for improving purity of polyaluminum chloride as claimed in claim 1, wherein said spraying means comprises a spraying pipe, said spraying pipe is connected to the second liquid supply pipe, and said spraying pipe is provided with a plurality of spraying heads.

4. The apparatus for improving purity of polyaluminium chloride as claimed in claim 1, wherein the filtering apparatus comprises a filtering frame, the filtering frame is rectangular, a filtering membrane is disposed in the filtering frame, the first tower body side wall is surrounded by a protrusion, the protrusion is rectangular, an insertion groove is disposed along the protrusion at the inner side of the protrusion, the insertion groove is communicated with the inside of the first tower body, the insertion groove is matched with the filtering frame, the periphery of the filtering frame is inserted into the insertion groove, the filtering membrane is disposed in the inside of the first tower body, an opening for inserting the filtering frame is disposed at one side of the protrusion, and a sealing door is disposed at the opening.

5. The apparatus for improving the purity of polyaluminum chloride as claimed in claim 1, wherein said heating means comprises an electric heating tube wound around the outer wall of the evaporation tank, and the side wall of the evaporation tank is made of heat conductive material.

6. The apparatus for improving the purity of polyaluminum chloride of claim 1, wherein the side wall of the second tower body is provided with an insulating layer.

Technical Field

The invention relates to the technical field of chemical purification devices, in particular to a device for improving the purity of polyaluminum chloride.

Background

Polyaluminium chloride (PAC) is an inorganic substance, a new water purification material and an inorganic high-molecular coagulant, impurities and sulfides are generated in the process of preparing the polyaluminium chloride, and need to be removed to improve the purity of the polyaluminium chloride, and the existing purification device has low purification efficiency, long time consumption and reduced working efficiency.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a device for improving the purity of polyaluminium chloride.

In order to achieve the technical effects, the invention adopts the following scheme:

a device for improving the purity of polyaluminium chloride comprises a first tower body, wherein a liquid inlet is arranged on the side wall of the first tower body, the liquid inlet is connected with a high-pressure fan through a Venturi device, the Venturi device comprises a contraction pipe, a throat pipe and a diffusion pipe, a sprayer is arranged in the throat pipe, the sprayer is connected with a liquid storage tank through a first liquid supply pipe, a first water pump is arranged on the first liquid supply pipe, the contraction pipe is connected with an air outlet of the high-pressure fan, the diffusion pipe is connected with the liquid inlet of the first tower body, a spraying device is arranged at the top end inside the first tower body, the spraying device is connected with the liquid storage tank through a second liquid supply pipe, a second water pump is arranged on the second liquid supply pipe, the liquid inlet is positioned below the spraying device, a filtering device is further arranged in the first tower body and positioned below the liquid inlet, a neutralization tank is arranged below the filtering device, the utility model discloses a neutralization pond, including neutralization pond, conveyer pipe, third water pump, conveyer pipe and evaporating pot, the neutralization pond is connected with the draught fan, the bottom in neutralization pond is equipped with the leakage fluid dram, leakage fluid dram department is equipped with first valve, one side in neutralization pond is equipped with the dog-house, the dog-house is equipped with sealed lid, the neutralization pond is equipped with the PH tester, the leakage fluid dram of neutralization pond passes through the duct junction second tower body, be equipped with the third water pump on the conveyer pipe, be equipped with the evaporating pot in the second tower body, conveyer pipe and evaporating pot intercommunication, the evaporating pot is equipped with heating device, the top of evaporating pot is connected with the condenser through the steam pipe, the bottom of evaporating pot is equipped with the bin outlet.

According to the preferable technical scheme, an air inlet of the high-pressure fan is connected with an air purification device.

According to the preferable technical scheme, the spraying device comprises a spraying pipe, a plurality of spraying heads are installed on the spraying pipe, the spraying pipe is connected with the second liquid supply pipe, and a plurality of spraying heads are installed on the spraying pipe.

The preferred technical scheme, filter equipment is including filtering the frame, it is the rectangle to filter the frame, be equipped with the filter membrane in the filter frame, first tower body lateral wall is around being provided with the bulge, the bulge is the rectangle, the inboard of bulge is equipped with the insertion groove along the bulge, the insertion groove communicates with the inside of first tower body, the insertion groove with filter the frame phase-match, filter the frame insert the insertion groove all around, the filter membrane is located the inside of first tower body, one side of bulge has the confession and filters frame male opening, the opening part is equipped with sealing door.

According to the preferable technical scheme, the heating device comprises an electric heating pipe wound on the outer wall of the evaporation tank, and the side wall of the evaporation tank is made of heat conducting materials.

According to the preferable technical scheme, a heat insulation layer is arranged on the side wall of the second tower body.

Compared with the prior art, beneficial effect does:

the invention has simple structure and convenient use, and can atomize and spray the polyaluminium chloride liquid into the first tower body to contact and react with the ferric salt solution sprayed by the spraying device, thereby increasing the contact area of the polyaluminium chloride liquid and the ferric salt solution, improving the reaction speed, filtering water-insoluble substances and impurities generated after the reaction by the filtering device, and increasing the filtering speed by arranging the induced draft fan in the neutralization tank, thereby greatly improving the purification efficiency and accelerating the working progress.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Reference numerals: 1. a first tower body; 201. a shrink tube; 202. a throat; 203. a diffuser tube; 3. a high pressure fan; 4. an air purification device; 5. a sprayer; 6. a first liquid supply tube; 7. a liquid storage tank; 8. a first water pump; 9. a shower pipe; 10. a shower head; 11. a second liquid supply tube; 12. a projection; 13. a filter frame; 14. a sealing door; 15. a neutralization pond; 16. an induced draft fan; 17. a sealing cover; 18. a pH tester; 19. a first valve; 20. a delivery pipe; 21. a third water pump; 22. a second tower body; 23. an evaporator tank; 24. an electric heating tube; 25. a steam pipe; 26. a condenser; 27. a discharge outlet.

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.

A device for improving the purity of polyaluminium chloride comprises a first tower body 1, wherein a liquid inlet is arranged on the side wall of the first tower body 1, the liquid inlet is connected with a high-pressure fan 3 through a Venturi device, the Venturi device comprises a contraction pipe 201, a throat 202 and a diffusion pipe 203, a sprayer 5 is arranged in the throat 202, the sprayer 5 is connected with a liquid storage tank 7 through a first liquid supply pipe 6, a first water pump 8 is arranged on the first liquid supply pipe 6, the contraction pipe 201 is connected with an air outlet of the high-pressure fan 3, the diffusion pipe 203 is connected with the liquid inlet of the first tower body 1, the top end inside the first tower body 1 is provided with a spraying device, the spraying device is connected with a liquid medicine tank through a second liquid supply pipe 11, a second water pump is arranged on the second liquid supply pipe 11, the liquid inlet is positioned below the spraying device, a filtering device is further arranged in the first tower body 1, the utility model discloses a neutralization pond, including filter equipment, neutralizing pond 15, conveyer pipe 20 and evaporating pot 23, filter equipment is located the below of inlet, filter equipment's below is equipped with neutralizing pond 15, neutralizing pond 15 is connected with draught fan 16, neutralizing pond 15's bottom is equipped with the leakage fluid dram, leakage fluid dram department is equipped with first valve 19, one side of neutralizing pond 15 is equipped with the dog-house, the dog-house is equipped with sealed lid 17, neutralizing pond 15 is equipped with PH tester 18, neutralizing pond 15's leakage fluid dram passes through conveyer pipe 20 and connects second tower body 22, be equipped with third water pump 21 on the conveyer pipe 20, be equipped with evaporating pot 23 in the second tower body 22, conveyer pipe 20 and evaporating pot 23 intercommunication, evaporating pot 23 is equipped with heating device, the top of evaporating pot 23 is connected with condenser 26 through steam pipe 25, the bottom of evaporating pot 23 is equipped with bin outlet 27.

The high pressure fan 3 pressurizes and conveys the sucked air to the Venturi device, the air is pressurized again through the contraction of the contraction pipe 201, the flow velocity of the air in the throat pipe 202 is increased, polyaluminium chloride liquid is contained in the liquid storage tank 7, the polyaluminium chloride liquid is conveyed to the sprayer 5 through the first water pump 8 and sprayed into the throat pipe 202, the polyaluminium chloride liquid is sheared through high-speed airflow in the rear throat pipe 202 and then is introduced into the diffusion pipe 203, the pressure is suddenly reduced so as to be atomized, the atomized polyaluminium chloride liquid enters the first tower body 1, ferric salt solution is contained in the liquid medicine tank, the ferric salt solution reacts with sulfide to generate iron sulfide insoluble substances and hydrochloric acid, the ferric salt solution sprayed by the spraying device is in contact reaction with the atomized polyaluminium chloride, the product is filtered through the filtering device, impurities and iron sulfide insoluble substances in the product are filtered, the polyaluminium chloride liquid enters the neutralization tank 15 below the filtering device, the neutralization pond 15 is connected with an induced draft fan 16, the induced draft fan 16 is started to enable negative pressure to be formed in the neutralization pond 15, the filtering device is accelerated to filter, acid is still arranged in the filtered polyaluminium chloride liquid, a feeding port is arranged on one side of the neutralization pond 15 and used for feeding alkali for neutralization, the polyaluminium chloride liquid after neutralization is sent into an evaporation tank 23 through a conveying pipe 20 to be heated and evaporated, and the liquid is discharged through a discharge port 27 after evaporation concentration.

According to the preferable technical scheme, an air inlet of the high-pressure fan 3 is connected with an air purification device 4 for filtering impurities such as dust in air and avoiding introducing the impurities into polyaluminium chloride liquid.

According to the preferable technical scheme, the spraying device comprises a spraying pipe 9, a plurality of spraying heads 10 are installed on the spraying pipe 9, the spraying pipe 9 is connected with a second liquid supply pipe 11, and the spraying pipe 9 is provided with the plurality of spraying heads 10.

Preferred technical scheme, filter equipment is including filtering frame 13, it is the rectangle to filter frame 13, be equipped with the filter membrane in the filter frame 13, first tower body 1 lateral wall is around being provided with bulge 12, bulge 12 is the rectangle, bulge 12's inboard is equipped with the insertion groove along bulge 12, insertion groove and first tower body 1's inside intercommunication, the insertion groove with filter frame 13 phase-match, filter frame 13 insert the insertion groove all around, the filter membrane is located first tower body 1's inside, one side of bulge 12 has and supplies to filter frame 13 male opening, the opening part is equipped with sealing door 14.

According to the preferred technical scheme, the heating device comprises an electric heating pipe 24 wound on the outer wall of the evaporation tank 23, and the side wall of the evaporation tank 23 is made of heat conduction materials.

In a preferred technical scheme, a heat insulating layer is arranged on the side wall of the second tower body 22.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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.