Spray drying tower for preparing polyaluminum chloride powder

Abstract

The spray drying tower comprises a tower body, a tower door is installed on the front side of the tower body, a feeding pump is fixedly installed on the lower portion of the left side of the tower body, and the right side of the feeding pump is fixedly connected with a conveying pipe. Through mutual cooperation of the tower body, the tower door, the feeding pump, the conveying pipe, the spray head, an air heater, an air outlet pipe, a communicating pipe, an air outlet, a discharging pipe, a feed liquid box, a material pumping pipe, an inserting opening, a rubber sealing ring, a connecting plate, a first clamping groove, a first clamping block, a cavity, a supporting spring, a moving block, a clamping rod, a vertical plate, a second clamping groove and a grip, when the spray head is blocked, the spray head is blocked; a user can conveniently and rapidly detach the spray head for maintenance, no detaching tool is needed in the whole detaching process, operation is easy and convenient, time and labor are saved, the working efficiency is greatly improved, and great convenience is provided for workers.

Description

Technical Field

[0001] The utility model relates to the technical field of spray drying towers, in particular to a spray drying tower for preparing polyaluminium chloride powder. Background Art

[0002] Polyaluminium chloride is an inorganic polymer coagulant that can absorb colloids and heavy metal ions in water. It is a commonly used water purification agent required for wastewater treatment in modern industry. Since commonly used polyaluminium chloride is in powder form, people often need to use a spray drying tower to dry the liquid polyaluminium chloride when producing polyaluminium chloride, so as to facilitate subsequent processing and transportation.

[0003] At present, as disclosed in the patent application number CN201721124408.5, the utility model discloses a spray drying tower for producing red date powder, including a tower body with a rectangular structure, a motor is arranged on the top of the tower body, the motor is connected to a scraper arranged inside the tower body for cleaning the tower wall through a connecting rod, a discharge port is arranged at the bottom of the tower body, a nozzle is arranged above the discharge port, and the nozzle is connected to a feed pump for pumping red date juice through a feed pipe.

[0004] However, in actual use, the above patent has the following defects: when the nozzle is blocked, it is not convenient to disassemble and maintain the nozzle, and professional disassembly tools are needed to disassemble the nozzle, which causes great trouble to the staff. For this reason, we propose a spray drying tower for polyaluminum chloride powder production. Utility Model Content

[0005] The utility model aims to provide a spray drying tower for preparing polyaluminium chloride powder, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a spray drying tower for preparing polyaluminium chloride powder, comprising:

[0007] A tower body, wherein a tower door is installed on the front side of the tower body;

[0008] A feed pump is fixedly installed at the lower left side of the tower body, a delivery pipe is fixedly connected to the right side of the feed pump, and the right end of the delivery pipe passes through the tower body and extends to the inside of the tower body;

[0009] Nozzle: A conveniently detachable nozzle is arranged on the top of the delivery pipe, and the nozzle is an atomizing nozzle.

[0010] Furthermore, a hot air blower is fixedly connected to the top of the tower body, an air outlet pipe is fixedly connected to the bottom of the hot air blower, the bottom of the air outlet pipe penetrates the tower body and extends to the inside of the tower body and is fixedly connected to a connecting pipe, and the bottom of the connecting pipe is fixedly connected to multiple air outlets.

[0011] Furthermore, a discharge pipe is provided at the bottom of the tower body, a valve is installed on the discharge pipe, the bottom of the feed pump is fixedly connected to a liquid tank, a feeding port is provided on the left side of the top of the liquid tank, the bottom of the feed pump is fixedly connected to a pumping pipe, the bottom of the pumping pipe passes through the liquid tank and extends to the interior of the liquid tank.

[0012] Furthermore, a plug-in interface is provided at the top of the delivery pipe corresponding to the position of the nozzle, the bottom end of the nozzle passes through the plug-in interface and extends to the inside of the plug-in interface, and the nozzle and the plug-in interface are movably connected.

[0013] Furthermore, a rubber sealing ring is provided on the bottom fixed sleeve of the nozzle surface, and the surface of the rubber sealing ring is in movable contact with the inner wall of the plug interface. Connecting plates are fixedly installed on the left and right sides of the nozzle and located on the top of the delivery pipe, and the bottom of the connecting plate is in movable contact with the top of the delivery pipe.

[0014] Furthermore, a first card slot is provided at the bottom of the connecting plate, a first card block is movably connected inside the first card slot, the bottom of the first card block is fixedly connected to the top of the delivery pipe, a cavity is provided on the upper interior of the connecting plate, a support spring is fixedly connected to the side of the inner wall of the cavity close to the nozzle, a moving block is fixedly connected to the side of the support spring away from the nozzle, the surface of the moving block is movably connected to the inner wall of the cavity, and two card rods are fixedly connected to the side of the moving block away from the support spring.

[0015] Furthermore, a vertical plate is fixedly connected to the position of the clamping rod at the top of the delivery pipe, and two second clamping grooves are provided on the side of the vertical plate close to the nozzle. The end of the clamping rod away from the moving block passes through the cavity, the connecting plate and the second clamping groove in sequence and extends to the inside of the second clamping groove. The clamping rod is movably clamped with the second clamping groove, and the clamping rod is movably connected to the connecting plate. The two clamping rods are fixedly connected by a handle.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model cooperates with each other through the tower body, tower door, feed pump, delivery pipe, nozzle, hot air blower, air outlet pipe, connecting pipe, air outlet, discharge pipe, liquid tank, extraction pipe, plug interface, rubber sealing ring, connecting plate, first card slot, first card block, cavity, support spring, moving block, card rod, vertical plate, second card slot and handle. When the nozzle is blocked, the user can easily and quickly disassemble the nozzle for maintenance, and the entire disassembly process does not require the aid of any disassembly tools, the operation is simple, time and labor are saved, the work efficiency is greatly improved, and great convenience is provided to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view structural cross-sectional view of the utility model;

[0019] Figure 2 This is a front view structural diagram of the nozzle of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the nozzle of the utility model when viewed from above;

[0021] Figure 4 For this utility model Figure 1 A is an enlarged schematic diagram;

[0022] Figure 5 It is a side view structural schematic diagram of the utility model;

[0023] Figure 6 It is a front view structural schematic diagram of the utility model.

[0024] In the figure: 1. tower body; 2. tower door; 3. feed pump; 4. delivery pipe; 5. nozzle; 6. hot air blower; 7. air outlet pipe; 8. connecting pipe; 9. air outlet; 10. discharge pipe; 11. liquid tank; 12. extraction pipe; 13. plug interface; 14. rubber sealing ring; 15. connecting plate; 16. first card slot; 17. first card block; 18. cavity; 19. support spring; 20. moving block; 21. card rod; 22. vertical plate; 23. second card slot; 24. handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-6 A spray drying tower for preparing polyaluminium chloride powder comprises a tower body 1, a tower door 2 is installed on the front side of the tower body 1, a feed pump 3 is fixedly installed on the lower left side of the tower body 1, a delivery pipe 4 is fixedly connected to the right side of the feed pump 3, the right end of the delivery pipe 4 passes through the tower body 1 and extends to the inside of the tower body 1, and a conveniently detachable nozzle 5 is arranged on the top of the delivery pipe 4, and the nozzle 5 is an atomizing nozzle.

[0029] Specifically, a hot air blower 6 is fixedly connected to the top of the tower body 1, an air outlet pipe 7 is fixedly connected to the bottom of the hot air blower 6, the bottom of the air outlet pipe 7 penetrates the tower body 1 and extends to the inside of the tower body 1 and is fixedly connected to a connecting pipe 8, and the bottom of the connecting pipe 8 is fixedly connected to multiple air outlets 9.

[0030] During the specific implementation, a discharge pipe 10 is opened at the bottom of the tower body 1, and a valve is installed on the discharge pipe 10. The bottom of the feed pump 3 is fixedly connected to the liquid tank 11, and a feeding port is opened on the top left side of the liquid tank 11. The bottom of the feed pump 3 is fixedly connected to the extraction pipe 12, and the bottom of the extraction pipe 12 penetrates the liquid tank 11 and extends to the inside of the liquid tank 11.

[0031] Specifically, a plug-in port 13 is provided at the top of the delivery pipe 4 corresponding to the position of the nozzle 5 , and the bottom end of the nozzle 5 passes through the plug-in port 13 and extends to the inside of the plug-in port 13 , and the nozzle 5 and the plug-in port 13 are movably plugged.

[0032] During the specific implementation, a rubber sealing ring 14 is fixedly sleeved at the bottom of the surface of the nozzle 5, and the surface of the rubber sealing ring 14 is in active contact with the inner wall of the plug-in port 13. Connecting plates 15 are fixedly installed on the left and right sides of the nozzle 5 and at the top of the delivery pipe 4, and the bottom of the connecting plate 15 is in active contact with the top of the delivery pipe 4.

[0033] Specifically, a first card slot 16 is provided at the bottom of the connecting plate 15, and a first card block 17 is movably connected inside the first card slot 16. The bottom of the first card block 17 is fixedly connected to the top of the delivery pipe 4. A cavity 18 is provided on the upper part of the interior of the connecting plate 15. A support spring 19 is fixedly connected to the side of the inner wall of the cavity 18 close to the nozzle 5, and a moving block 20 is fixedly connected to the side of the support spring 19 away from the nozzle 5. The surface of the moving block 20 is movably connected to the inner wall of the cavity 18, and two card rods 21 are fixedly connected to the side of the moving block 20 away from the support spring 19.

[0034] During the specific implementation, a vertical plate 22 is fixedly connected to the position of the clamping rod 21 at the top of the delivery pipe 4. Two second clamping grooves 23 are provided on the side of the vertical plate 22 close to the nozzle 5. The end of the clamping rod 21 away from the moving block 20 passes through the cavity 18, the connecting plate 15 and the second clamping groove 23 in sequence and extends to the inside of the second clamping groove 23. The clamping rod 21 and the second clamping groove 23 are movably clamped, and the clamping rod 21 and the connecting plate 15 are movably connected. The two clamping rods 21 are fixedly connected by a handle 24.

[0035] In actual application: when in use, start the hot air blower 6, and then deliver hot air to the inside of the tower body 1 through the air outlet 9, then extract the polyaluminium chloride powder liquid in the liquid tank 11 through the feed pump 3, and then deliver it to the nozzle 5 through the delivery pipe, and then spray the liquid from bottom to top through the atomizing nozzle 5. Since the sprayed liquid goes through a process from bottom to top to the highest point and then falls down, the residence heat drying time of the liquid in the tower body is extended, ensuring the full drying of the polyaluminium chloride powder at the discharge pipe 10, and the dried polyaluminium chloride powder can be discharged from the discharge pipe 10. When the nozzle 5 needs to be removed, it is only necessary to open the tower door 2, and then pull the handle 24 toward the side close to the nozzle 5 to drive the clamping rod 21 and the moving block 20 to move toward the side close to the nozzle 5, and at the same time compress the supporting spring 19, so that the clamping rod 21 is disengaged from the second clamping groove 23, and then the nozzle 5 is pulled upward, so that the first clamping block 17 is disengaged from the first clamping groove 16, and the rubber sealing ring 14 and the nozzle 5 are disengaged from the plug-in interface 13, so that the nozzle 5 can be removed. Through the above steps, the nozzle 5 can be quickly and conveniently disassembled without the aid of any tools, thereby facilitating the maintenance of the nozzle 5.

[0036] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0037] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray drying tower for preparing polyaluminium chloride powder, characterized in that: include: A tower body (1), wherein a tower door (2) is installed on the front side of the tower body (1); A feed pump (3), the feed pump (3) being fixedly installed at the lower left side of the tower body (1), a delivery pipe (4) being fixedly connected to the right side of the feed pump (3), the right end of the delivery pipe (4) passing through the tower body (1) and extending into the interior of the tower body (1); A spray head (5), wherein the top of the delivery pipe (4) is provided with a spray head (5) which can be easily disassembled.

2. A spray drying tower for preparing polyaluminium chloride powder according to claim 1, characterized in that: The top of the tower body (1) is fixedly connected to a hot air blower (6), the bottom of the hot air blower (6) is fixedly connected to an air outlet pipe (7), the bottom of the air outlet pipe (7) passes through the tower body (1) and extends into the interior of the tower body (1) and is fixedly connected to a connecting pipe (8), and the bottom of the connecting pipe (8) is fixedly connected to a plurality of air outlets (9).

3. A spray drying tower for preparing polyaluminium chloride powder according to claim 2, characterized in that: A discharge pipe (10) is provided at the bottom of the tower body (1), a valve is installed on the discharge pipe (10), the bottom of the feed pump (3) is fixedly connected to a liquid tank (11), the bottom of the feed pump (3) is fixedly connected to a pumping pipe (12), the bottom of the pumping pipe (12) passes through the liquid tank (11) and extends to the interior of the liquid tank (11).

4. A spray drying tower for preparing polyaluminium chloride powder according to claim 3, characterized in that: A plug-in port (13) is provided at the top of the delivery pipe (4) at a position corresponding to the nozzle (5); the bottom end of the nozzle (5) passes through the plug-in port (13) and extends to the inside of the plug-in port (13); the nozzle (5) and the plug-in port (13) are movably plugged together.

5. A spray drying tower for preparing polyaluminium chloride powder according to claim 4, characterized in that: A rubber sealing ring (14) is fixedly sleeved at the bottom of the surface of the nozzle (5), and connecting plates (15) are fixedly installed on the left and right sides of the nozzle (5) and at the top of the delivery pipe (4).

6. A spray drying tower for preparing polyaluminium chloride powder according to claim 5, characterized in that: A first clamping groove (16) is provided at the bottom of the connecting plate (15), a first clamping block (17) is movably clamped inside the first clamping groove (16), the bottom of the first clamping block (17) is fixedly connected to the top of the conveying pipe (4), a cavity (18) is provided at the top of the connecting plate (15), a support spring (19) is fixedly connected to the inner wall of the cavity (18) on the side close to the nozzle (5), a moving block (20) is fixedly connected to the side of the support spring (19) away from the nozzle (5), the surface of the moving block (20) is movably connected to the inner wall of the cavity (18), and two clamping rods (21) are fixedly connected to the side of the moving block (20) away from the support spring (19).

7. A spray drying tower for preparing polyaluminium chloride powder according to claim 6, characterized in that: A vertical plate (22) is fixedly connected to the top of the delivery pipe (4) at a position corresponding to the clamping rod (21); two second clamping grooves (23) are provided on a side of the vertical plate (22) close to the nozzle (5); an end of the clamping rod (21) away from the moving block (20) passes through the cavity (18), the connecting plate (15) and the second clamping groove (23) in sequence and extends to the inside of the second clamping groove (23); the clamping rod (21) is movably clamped with the second clamping groove (23); the clamping rod (21) is movably connected to the connecting plate (15); and the two clamping rods (21) are fixedly connected via a handle (24).

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