CN212999991U - Automatic preparation facilities of poly aluminium chloride - Google Patents

Abstract

The utility model relates to an automatic preparation device of polyaluminium chloride; the method is characterized in that: the acid mist recycling device comprises a reaction tank, a stirring rod for stirring a medium, a stirring disc arranged in the reaction tank, a circulation groove for circulating the medium, a recycling device for recycling acid mist and a first driving device for driving the stirring rod to rotate; the stirring rod is rotatably arranged in the reaction tank; the circulation groove is spirally arranged on the stirring disc; the stirring rod penetrates through the stirring disc; the recovery device is communicated with the inside of the reaction tank; the stirring rod is arranged at the driving end of the first driving device. The problem of adopt hot oil to heat the medium in the retort and lead to the heating time longer to make preparation inefficiency and unable to retrieve the acid mist and lead to causing the pollution to the environment that current scheme caused is solved.

Description

Automatic preparation facilities of poly aluminium chloride

Technical Field

The utility model relates to a preparation facilities, concretely relates to automatic preparation facilities of poly aluminium chloride.

Background

In general, polyaluminum chloride is a water purifying material, and an inorganic polymeric water treatment agent with a large molecular weight and a high charge is produced due to the bridging action of hydroxide ions and the polymerization action of polyvalent anions. The polyaluminium chloride has the performances of adsorption, condensation, precipitation and the like, is poor in stability and corrosive, and is immediately washed clean by water if being carelessly splashed on the skin. The polyaluminium chloride has the advantages of good stability of spray drying, wide adaptive water area, high hydrolysis speed, strong adsorption capacity and the like. Polyaluminium chloride, also referred to as highly efficient polyaluminium chloride for short. In the existing preparation process of polyaluminium chloride, the temperature rise time of the chemical reaction is long, and acid mist generated by the chemical reaction cannot be purified, so that how to solve the problem becomes very important.

The existing scheme adopts a stirring rod which is arranged in a reaction tank in a rotating way. The stirring rod is driven to rotate by a motor. A pipe for circulating hot oil is arranged around the reaction tank. Such a solution has the following problems: (1) hot oil is adopted to heat the medium in the reaction tank, so that the heating time is long and the preparation efficiency is low; (2) the acid mist can not be recovered, which causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses an automatic preparation facilities of poly aluminium chloride to adopt hot oil to heat the interior medium of retort and lead to the longer preparation inefficiency of makeeing of heating time and can't retrieve the acid mist and lead to causing the pollution scheduling problem to the environment among the solution prior art.

The utility model discloses the technical scheme who adopts as follows:

an automatic preparation device of polyaluminium chloride;

the acid mist recycling device comprises a reaction tank, a stirring rod for stirring a medium, a stirring disc arranged in the reaction tank, a circulation groove for circulating the medium, a recycling device for recycling acid mist and a first driving device for driving the stirring rod to rotate; the stirring rod is rotatably arranged in the reaction tank; the circulation groove is spirally arranged on the stirring disc; the stirring rod penetrates through the stirring disc; the recovery device is communicated with the inside of the reaction tank; the stirring rod is arranged at the driving end of the first driving device.

The further technical scheme is as follows: the reaction tank is communicated with a first medium source through a first pipeline; the reaction tank is communicated with a second medium source through a second pipeline; the first pipeline is provided with a first delivery pump for pumping a first medium and a first sensor for detecting the flow of the first medium; a second conveying pump for pumping a second medium and a second sensor for detecting the flow of the second medium are arranged on the second pipeline; the first sensor is arranged on the first pipeline at a position close to the liquid inlet of the first delivery pump; the second sensor is arranged at a position, close to the liquid inlet of the second delivery pump, on the second pipeline.

The further technical scheme is as follows: a first heating device for heating the first medium and a fixing rod for fixing the first heating device are arranged in the first pipeline; the first heating device is coaxially arranged in the first pipeline; the fixing rod is disposed around the first heating device in the first pipe.

The further technical scheme is as follows: the reaction tank is communicated with a cylinder for storing a third medium through a third pipeline; the cylinder is provided with a third sensor for detecting the storage amount of the third medium, a second driving device for driving the third sensor to move and a vibrator for driving the cylinder to vibrate; an observation plate is arranged on the cylinder body along the moving direction of the third sensor; the vibrator is arranged at the bottom end of the cylinder body; the third sensor is movably arranged on the observation plate.

The further technical scheme is as follows: the second driving device comprises a bracket arranged on the barrel, a screw rod rotationally arranged on the bracket, a power device for driving the screw rod to rotate and a moving block movably arranged on the screw rod; the screw is arranged at the driving end of the power device; the third sensor is arranged on the moving block.

The further technical scheme is as follows: the first source of media is water; the second media source hydrochloric acid; the third medium is calcium aluminate powder.

The further technical scheme is as follows: the reaction tank is provided with a second heating device for heating the medium in the reaction tank and a detection device for detecting the temperature of the medium in the reaction tank; the second heating devices are respectively arranged on the reaction tank and the stirring disc; the detection devices are respectively arranged on the reaction tank and the stirring disc in parallel.

The further technical scheme is as follows: the recovery device comprises a connecting pipe, a first recovery cylinder communicated with the reaction tank, an injection device for spraying a hydrochloric acid medium, a second recovery cylinder for storing an aqueous medium, a first recovery pipe for recovering the hydrochloric acid medium, a second recovery pipe for recovering the aqueous medium, a first return valve for controlling the opening and closing of the first recovery pipe and a second return valve for controlling the opening and closing of the second recovery pipe; the injection device is arranged in the first recovery cylinder; one end of the connecting pipe is communicated with the first recovery cylinder; the other end of the connecting pipe is immersed in the aqueous medium; the first recovery pipe is respectively communicated with the bottom of the first recovery cylinder and the reaction tank; the first return valve is arranged on the first recovery pipe at a position close to the reaction tank; the second recovery pipe is respectively communicated with the bottom of the second recovery cylinder and the reaction tank; the second return valve is arranged on the second recovery pipe at a position close to the reaction tank.

The further technical scheme is as follows: the spraying device comprises a spraying pipeline for circulating the hydrochloric acid medium, a spraying head arranged on the spraying pipeline in parallel and a spraying hole for spraying the hydrochloric acid medium; the injection pipeline is communicated with the injection head; the injection holes are arranged on the injection head in parallel.

The utility model has the advantages as follows: the utility model designs an automatic preparation facilities of poly aluminium chloride adopts recovery unit to retrieve acid mist. And a first driving device is adopted to drive the stirring rod to rotate so as to complete material stirring. The automatic preparation device of the polyaluminium chloride has the following effects: (1) accurately controlling the flow of water and hydrochloric acid in the reaction tank through the first sensor and the second sensor; (2) the first heating device has the function of heating water, the fixed rod blocks water from rapidly flowing along the first pipeline, so that the water is completely heated, the water can be primarily heated through the first heating device, the reaction time of a medium is shortened, and the working efficiency of the automatic polyaluminium chloride preparation device is improved; (3) the storage capacity of the calcium aluminate powder in the cylinder can be adjusted by adjusting the position of the third sensor, and the calcium aluminate powder can be uniformly dispersed in the cylinder by the vibrator, so that the third sensor can accurately measure the calcium aluminate powder; (4) the calcium aluminate powder, the hydrochloric acid and the water are subjected to temperature detection through the detection device, so that the heating power of the second heating device can be adjusted, and the temperature in the reaction tank can be maintained; (5) hydrochloric acid medium flows in the injection pipeline, flows into the injection head and is injected through the injection hole, and the hydrochloric acid medium adsorbs acid mist, so that the environment pollution caused by the acid mist is avoided; (6) the other end of the connecting pipe is immersed in the water medium, so that the acid mist is contacted with the water medium, and the water medium adsorbs the acid mist, thereby avoiding the pollution of the acid mist to the environment; (7) the adsorption to the acid mist can be realized through the recovery device, the environment pollution caused by the acid mist is avoided, the hydrochloric acid medium and the water medium can flow back into the reaction tank, and the utilization rate of the medium is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a reaction tank; 11. a first conduit; 12. a second conduit; 13. a first delivery pump; 14. a first sensor; 15. a second delivery pump; 16. a second sensor; 17. a first heating device; 18. fixing the rod; 19. a third pipeline; 2. a stirring rod; 3. a stirring plate; 31. a circulation tank; 4. a recovery device; 41. a first recovery drum; 42. an injection device; 43. a second recovery drum; 44. a first recovery pipe; 45. a second recovery pipe; 46. a connecting pipe; 47. a first reflux valve; 48. a second reflux valve; 5. a first driving device; 6. a barrel; 61. a third sensor; 62. a second driving device; 63. a vibrator; 64. an observation plate; 65. a support; 66. a screw; 67. a power plant; 68. a moving block; 7. a second heating device; 8. a detection device; 9. an injection duct; 91. an injector head; 92. and ejecting the hole.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention. As shown in the figure 1, the utility model discloses an automatic preparation device of polyaluminium chloride. The direction of X in the figure does the utility model discloses structure schematic's upper end, the direction of Y in the figure does the utility model discloses structure schematic's right-hand member. The automatic preparation device of the polyaluminium chloride comprises a reaction tank 1, a stirring rod 2 for stirring a medium, a stirring disc 3 arranged in the reaction tank 1, a circulation groove 31 for circulating the medium, a recovery device 4 for recovering acid mist and a first driving device 5 for driving the stirring rod 2 to rotate. The stirring rod 2 is rotatably arranged in the reaction tank 1. The circulation groove 31 is spirally formed in the stirring board 3. The stirring rod 2 is arranged on the stirring plate 3 in a penetrating way. The recovery device 4 communicates with the inside of the reaction tank 1. The stirring rod 2 is arranged at the drive end of the first drive 5.

Preferably, the first driving means 5 is a motor. The reaction tank 1 is arranged in the vertical direction. The stirring plate 3 is horizontally arranged at the upper end in the reaction tank 1. The stirring rod 2 is vertically arranged in the reaction tank 1. The first driving means 5 is provided at the upper end of the reaction tank 1. The first driving device 5 is disposed in the vertical direction. The lower end of the first driving device 5 is a driving end of the first driving device 5. The lower end of the first driving device 5 is connected with the upper end of the stirring rod 2.

The first drive means 5 is an electric motor, the choice of the type of motor being common knowledge. Those skilled in the art can select the motor according to the working condition of the device, such as GH 28-750W-15S-G1.

The reaction tank 1 is connected to a first medium source via a first conduit 11. The reaction tank 1 is communicated with a second medium source through a second pipeline 12. The first pipe 11 is provided with a first delivery pump 13 for pumping the first medium and a first sensor 14 for detecting the flow rate of the first medium. The second pipe 12 is provided with a second delivery pump 15 for pumping the second medium and a second sensor 16 for detecting the flow rate of the second medium. The first sensor 14 is arranged on the first pipeline 11 at a position close to the liquid inlet of the first delivery pump 13. The second sensor 16 is arranged on the second pipeline 12 at a position close to the liquid inlet of the second delivery pump 15.

Preferably, the first source of media is water. Preferably, the second source of media is hydrochloric acid.

Preferably, the second transfer pump 15 is a centrifugal pump. Preferably, the first transfer pump 13 is a centrifugal pump. Preferably, the second sensor 16 is a flow meter. Preferably, the first sensor 14 is a flow meter. One end of the first pipeline 11 is communicated with the upper end of the reaction tank 1. The other end of the first pipe 11 is communicated with a first medium source. One end of the second pipe 12 is communicated with the upper end of the reaction tank 1. The other end of the second conduit 12 is in communication with a second medium source.

When water is required to be added to the reaction tank 1, the first transfer pump 13 is operated, and the first sensor 14 detects the flow rate of water flowing into the reaction tank 1. When hydrochloric acid needs to be added into the reaction tank 1, the second transfer pump 15 starts to operate, and the second sensor 16 detects the flow rate of the hydrochloric acid flowing into the reaction tank 1. The flow rates of water and hydrochloric acid in the reaction tank 1 are precisely controlled by the first sensor 14 and the second sensor 16.

The second sensor 16 is a flow meter, the choice of the type of flow meter being common knowledge. The skilled person will be able to select the flow meter according to the operation of the device, for example, model LWGY-MO.

The first sensor 14 is a flow meter, the choice of which is well known. The skilled person will be able to select the flow meter according to the operation of the device, for example, model LWGY-MO.

The second transfer pump 15 is a centrifugal pump, the choice of type of which is common knowledge. Those skilled in the art can select a centrifugal pump, for example, model number 40WBS6-22, according to the operation of the device.

The first transfer pump 13 is a centrifugal pump. The choice of centrifugal pump model is common knowledge. Those skilled in the art can select a centrifugal pump, for example, model number 40WBS6-22, according to the operation of the device.

A first heating device 17 that heats the first medium and a fixing rod 18 that fixes the first heating device 17 are provided inside the first pipe 11. The first heating means 17 is coaxially arranged within the first conduit 11. A fixing rod 18 is disposed around the first heating device 17 in the first pipe 11.

Preferably, the first heating means 17 is an electrical heating rod. One end of the fixing rod 18 is connected to the inner surface of the first pipe 11. The other end of the fixing rod 18 is connected to the outer surface of the first heating means 17. When water flows along the first pipeline 11, the first heating device 17 heats the water, and the fixing rod 18 blocks the water from rapidly flowing along the first pipeline 11, so that the water is completely heated. The water can be primarily heated through the first heating device 17, the reaction time of the medium is shortened, and the working efficiency of the automatic polyaluminium chloride preparation device is improved.

The reaction tank 1 is communicated with a cylinder 6 for storing a third medium through a third pipeline 19. The cylinder 6 is provided with a third sensor 61 for detecting the third medium storage amount, a second driving device 62 for driving the third sensor 61 to move, and a vibrator 63 for driving the cylinder 6 to vibrate. The cylinder 6 is provided with an observation plate 64 along the moving direction of the third sensor 61. The vibrator 63 is provided at the bottom end of the cylinder 6. The third sensor 61 is movably disposed on the observation plate 64.

Preferably, the third medium is calcium aluminate powder. Preferably, the third sensor 61 is an infrared correlation sensor. Preferably, the viewing plate 64 is plastic.

The cylinder 6 is disposed at an upper end of the vibrator 63. The third sensor 61 is oppositely disposed on the outer surface of the cylinder 6. The observation plate 64 is provided vertically on the reaction tank 1.

Calcium aluminate powder is put into the cylinder 6, and the vibrator 63 drives the cylinder 6 and the calcium aluminate powder to vibrate. When the third sensor 61 detects calcium aluminate powder, the addition of calcium aluminate powder is stopped. Calcium aluminate powder enters the reaction tank 1 along a third pipeline 19. By adjusting the position of the third sensor 61, the storage amount of the calcium aluminate powder in the cylinder 6 can be adjusted. The calcium aluminate powder can be uniformly dispersed in the cylinder body 6 through the vibrator 63, so that the accumulation of the calcium aluminate powder is avoided, and the third sensor 61 can accurately measure. The observation plate 64 made of plastic is used so that the infrared rays of the third sensor 61 can be irradiated through the observation plate 64.

The third sensor 61 is an infrared correlation sensor, and the selection of the type of the infrared correlation sensor belongs to the common knowledge. Those skilled in the art can select the infrared correlation sensor with the model number EX-11EA according to the working condition of the device.

The selection of the type of vibrator 63 is well known. The person skilled in the art can choose the type of the vibrator GT-06, for example, according to the working conditions of the device.

The second driving device 62 includes a bracket 65 provided on the cylinder 6, a screw 66 rotatably provided on the bracket 65, a power device 67 driving the screw 66 to rotate, and a moving block 68 moving on the screw 66. A screw 66 is provided at the drive end of the power means 67. The third sensor 61 is arranged on the moving block 68.

Preferably, the power device 67 is an electric motor. The bracket 65 is provided on the outer surface of the cylinder 6. The screw 66 is rotatably provided in the holder 65 in the vertical direction. A power unit 67 is provided at the upper end of the bracket 65. The power unit 67 is disposed in the vertical direction. The lower end of the power plant 67 is the drive end of the power plant 67. The upper end of the screw 66 is connected to the lower end of a power unit 67.

The power device 67 drives the screw 66 to rotate, the screw 66 drives the moving block 68 to move up and down, and the moving block 68 drives the third sensor 61 to move up and down. The up-down position of the third sensor 61 can be adjusted by the second driving device 62.

The reaction tank 1 is provided with a second heating device 7 for heating the medium in the reaction tank 1 and a detection device 8 for detecting the temperature of the medium in the reaction tank 1. The second heating means 7 are provided on the reaction tank 1 and the stirring plate 3, respectively. The detection devices 8 are respectively arranged on the reaction tank 1 and the stirring plate 3 in parallel.

Preferably, the second heating device 7 is a heating tube. Preferably, the detection means 8 is a thermocouple. The second heating means 7 are respectively provided on the outer surface of the reaction tank 1 and the lower surface of the stirring plate 3.

Calcium aluminate powder, hydrochloric acid and water enter the reaction tank 1 from the upper end of the reaction tank 1. Calcium aluminate powder, hydrochloric acid and water flow along the flow channel 31. Calcium aluminate powder, hydrochloric acid and water are mixed in the flow channel 31. The calcium aluminate powder, the hydrochloric acid and the water in the circulation groove 31 are preheated by the second heating device 7, so that the heating efficiency of the automatic polyaluminium chloride preparation device is improved. Calcium aluminate powder, hydrochloric acid and water flow from the stirring disc 3 to the lower end in the reaction tank 1. The first driving device 5 drives the stirring rod 2 to rotate, and stirring of the calcium aluminate powder, the hydrochloric acid and the water is completed. The calcium aluminate powder, the hydrochloric acid and the water are subjected to temperature detection through the detection device 8, the heating power of the second heating device 7 can be adjusted, and the temperature in the reaction tank 1 can be maintained.

The detection device 8 is a thermocouple, and the selection of the type of the thermocouple belongs to the common knowledge. Those skilled in the art can select the type of the thermocouple, for example, WZP-PT100, according to the working condition of the device.

The recovery device 4 includes a connection pipe 46, a first recovery tank 41 communicating with the reaction tank 1, a spray device 42 spraying a hydrochloric acid medium, a second recovery tank 43 storing an aqueous medium, a first recovery pipe 44 recovering the hydrochloric acid medium, a second recovery pipe 45 recovering the aqueous medium, a first reflux valve 47 controlling the opening and closing of the first recovery pipe 44, and a second reflux valve 48 controlling the opening and closing of the second recovery pipe 45. The injection device 42 is provided in the first recovery tank 41. One end of the connection pipe 46 communicates with the first recovery cylinder 41. The other end of the connecting tube 46 is immersed in the aqueous medium. The first recovery pipe 44 communicates the bottom of the first recovery tank 41 and the reaction tank 1, respectively. A first return valve 47 is provided on the first recovery pipe 44 at a position near the reaction tank 1. The second recovery pipe 45 communicates with the bottom of the second recovery tank 43 and the reaction tank 1, respectively. A second return valve 48 is provided on the second recovery pipe 45 at a position close to the reaction tank 1.

The injection device 42 includes an injection pipe 9 through which the hydrochloric acid medium flows, an injection head 91 provided in parallel on the injection pipe 9, and an injection hole 92 through which the hydrochloric acid medium is injected. The injection duct 9 communicates with the injection head 91. The ejection orifices 92 are arranged in parallel in the ejection head 91.

Preferably, second return valve 48 is an electrically operated ball valve. Preferably, the first return valve 47 is a motorized ball valve. The upper end of the reaction tank 1 is communicated with the upper end of the first recovery cylinder 41. The injection device 42 is provided in the first recovery cylinder 41 in the vertical direction. The injection duct 9 is disposed in the vertical direction. Calcium aluminate powder, hydrochloric acid and water in the reaction tank 1 react to generate acid mist, and the acid mist flows into the first recovery cylinder 41. The hydrochloric acid medium flows in the injection pipe 9, and the hydrochloric acid medium flows into the injection head 91 and is injected through the injection holes 92. The hydrochloric acid medium adsorbs the acid mist, so that the pollution of the acid mist to the environment is avoided.

One end of the first recovery pipe 44 communicates with the lower end of the first recovery cylinder 41. The other end of the first recovery pipe 44 communicates with the upper end of the reaction tank 1. The hydrochloric acid medium in the first recovery tank 41 is returned to the reaction tank 1 through the first recovery pipe 44, and the hydrochloric acid medium can be recovered and utilized. When the first reflux valve 47 is opened, the hydrochloric acid medium is refluxed into the reaction tank 1. When the first reflux valve 47 is closed, the hydrochloric acid medium is not refluxed into the reaction tank 1 any more.

After being adsorbed by the hydrochloric acid medium, the acid mist enters the second recovery cylinder 43 through the connecting pipe 46. Because the other end of the connecting pipe 46 is immersed in the water medium, the acid mist is contacted with the water medium, and the water medium adsorbs the acid mist, thereby avoiding the pollution of the acid mist to the environment.

One end of the second recovery pipe 45 communicates with the lower end of the second recovery tank 43. The other end of the second recovery pipe 45 communicates with the upper end of the reaction tank 1. The aqueous medium in the second recovery tank 43 is returned to the reaction tank 1 through the second recovery pipe 45, and the aqueous medium can be recovered and utilized. When the second reflux valve 48 is opened, the aqueous medium is refluxed into the reaction tank 1. When second reflux valve 48 is closed, the aqueous medium is no longer refluxed into reaction tank 1.

The acid mist can be adsorbed by the recovery device 4, so that the environment pollution caused by the acid mist is avoided. Meanwhile, a hydrochloric acid medium and a water medium can flow back into the reaction tank 1, so that the utilization rate of the medium is improved.

The second return valve 48 is a motorized ball valve, the selection of which is common knowledge. The person skilled in the art can choose the operation of the device, for example, a model Q941F-16P electric ball valve can be chosen.

The first return valve 47 is a motorized ball valve, the type of which is commonly known. The person skilled in the art can choose the operation of the device, for example, a model Q941F-16P electric ball valve can be chosen.

In the present embodiment, the first driving device 5 is described as a motor, but the present invention is not limited thereto, and may be another driving device within a range capable of functioning.

In the present embodiment, the first medium source is described as water, but the first medium source is not limited to water, and may be another medium source within a range capable of functioning.

In the present embodiment, the second medium source is described as hydrochloric acid, but the second medium source is not limited thereto, and may be another medium source within a range capable of functioning.

In the present embodiment, the second feed pump 15 is described as a centrifugal pump, but the present invention is not limited thereto, and may be another feed pump within a range capable of functioning.

In the present embodiment, the first transfer pump 13 is described as a centrifugal pump, but the present invention is not limited thereto, and may be another transfer pump within a range capable of functioning.

In the present embodiment, the second sensor 16 is described as a flow meter, but the present invention is not limited thereto, and may be another sensor within a range capable of functioning.

In the present embodiment, the first sensor 14 is described as a flow meter, but the present invention is not limited thereto, and may be another sensor within a range capable of functioning.

In the present embodiment, the first heating device 17 is described as an electric heating rod, but the present invention is not limited thereto, and may be another heating device within a range capable of functioning.

In the present embodiment, the third medium is described as calcium aluminate powder, but the third medium is not limited thereto, and may be another medium within a range capable of performing its function.

In the present embodiment, the third sensor 61 is described as an infrared correlation sensor, but the present invention is not limited thereto, and may be another sensor within a range capable of functioning as such.

In the present embodiment, the observation plate 64 is described as being made of plastic, but the observation plate is not limited thereto, and may be made of other materials within a range capable of exhibiting its functions.

In the present embodiment, the power unit 67 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the second heating device 7 is described as a heating pipe, but the present invention is not limited thereto, and may be another heating device within a range capable of functioning.

In the present embodiment, the detection device 8 is described as a thermocouple, but the present invention is not limited thereto, and other detection devices may be used as long as the detection device can function.

In the present embodiment, the second return valve 48 is described as an electric ball valve, but the present invention is not limited thereto, and may be another return valve within a range capable of functioning.

In the present embodiment, the first reflux valve 47 is described as an electric ball valve, but the present invention is not limited thereto, and may be another reflux valve within a range capable of functioning.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims (9)

1. The utility model provides an automatic preparation facilities of poly aluminium chloride which characterized in that: comprises a reaction tank (1), a stirring rod (2) for stirring a medium, a stirring disc (3) arranged in the reaction tank (1), a circulation groove (31) for circulating the medium, a recovery device (4) for recovering acid mist and a first driving device (5) for driving the stirring rod (2) to rotate; the stirring rod (2) is rotatably arranged in the reaction tank (1); the circulation groove (31) is spirally arranged on the stirring disc (3); the stirring rod (2) penetrates through the stirring disc (3); the recovery device (4) is communicated with the inside of the reaction tank (1); the stirring rod (2) is arranged at the driving end of the first driving device (5).

2. The automatic preparation device of polyaluminium chloride according to claim 1, wherein: the reaction tank (1) is communicated with a first medium source through a first pipeline (11); the reaction tank (1) is communicated with a second medium source through a second pipeline (12); a first delivery pump (13) for pumping a first medium and a first sensor (14) for detecting the flow rate of the first medium are arranged on the first pipeline (11); a second delivery pump (15) for pumping a second medium and a second sensor (16) for detecting the flow rate of the second medium are arranged on the second pipeline (12); the first sensor (14) is arranged on the first pipeline (11) at a position close to the liquid inlet of the first delivery pump (13); the second sensor (16) is arranged on the second pipeline (12) at a position close to the liquid inlet of the second delivery pump (15).

3. The automatic preparation device of polyaluminium chloride according to claim 2, wherein: a first heating device (17) for heating the first medium and a fixing rod (18) for fixing the first heating device (17) are arranged in the first pipeline (11); the first heating device (17) is coaxially arranged within the first duct (11); the fixing rod (18) is arranged in the first pipe (11) around the first heating device (17).

4. The automatic preparation device of polyaluminium chloride according to claim 3, wherein: the reaction tank (1) is communicated with a cylinder (6) for storing a third medium through a third pipeline (19); the cylinder (6) is provided with a third sensor (61) for detecting the third medium storage quantity, a second driving device (62) for driving the third sensor (61) to move and a vibrator (63) for driving the cylinder (6) to vibrate; an observation plate (64) is arranged on the cylinder (6) along the moving direction of the third sensor (61); the vibrator (63) is arranged at the bottom end of the barrel (6); the third sensor (61) is movably arranged on the observation plate (64).

5. The automatic preparation device of polyaluminium chloride according to claim 4, wherein: the second driving device (62) comprises a bracket (65) arranged on the barrel (6), a screw rod (66) rotationally arranged on the bracket (65), a power device (67) for driving the screw rod (66) to rotate and a moving block (68) movably arranged on the screw rod (66); the screw (66) is arranged at the driving end of the power device (67); the third sensor (61) is arranged on the moving block (68).

6. The automatic preparation device of polyaluminium chloride according to claim 4, wherein: the first source of media is water; the second media source hydrochloric acid; the third medium is calcium aluminate powder.

7. The automatic preparation device of polyaluminium chloride according to claim 1, wherein: the reaction tank (1) is provided with a second heating device (7) for heating the medium in the reaction tank (1) and a detection device (8) for detecting the temperature of the medium in the reaction tank (1); the second heating devices (7) are respectively arranged on the reaction tank (1) and the stirring disc (3); the detection devices (8) are respectively arranged on the reaction tank (1) and the stirring disc (3) in parallel.

8. The automatic preparation device of polyaluminium chloride according to claim 1, wherein: the recovery device (4) comprises a connecting pipe (46), a first recovery cylinder (41) communicated with the reaction tank (1), a spraying device (42) for spraying a hydrochloric acid medium, a second recovery cylinder (43) for storing an aqueous medium, a first recovery pipe (44) for recovering the hydrochloric acid medium, a second recovery pipe (45) for recovering the aqueous medium, a first reflux valve (47) for controlling the opening and closing of the first recovery pipe (44), and a second reflux valve (48) for controlling the opening and closing of the second recovery pipe (45); the injection device (42) is arranged in the first recovery cylinder (41); one end of the connecting pipe (46) is communicated with the first recovery cylinder (41); the other end of the connecting pipe (46) is immersed in the water medium; the first recovery pipe (44) is communicated with the bottom of the first recovery cylinder (41) and the reaction tank (1) respectively; the first return valve (47) is arranged on the first recovery pipe (44) at a position close to the reaction tank (1); the second recovery pipe (45) is respectively communicated with the bottom of the second recovery cylinder (43) and the reaction tank (1); the second return valve (48) is provided on the second recovery pipe (45) at a position close to the reaction tank (1).

9. The automatic preparation device of polyaluminium chloride according to claim 8, wherein: the spraying device (42) comprises a spraying pipeline (9) for circulating the hydrochloric acid medium, a spraying head (91) arranged on the spraying pipeline (9) in parallel and a spraying hole (92) for spraying the hydrochloric acid medium; the injection pipeline (9) is communicated with the injection head (91); the injection holes (92) are arranged in parallel on the injection head (91).

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