Sodium hypophosphite causticizing device

Abstract

The utility model discloses a sodium hypophosphite causticizing device. The sodium hypophosphite causticizing device comprises a stock bin, a glove box, a conveyor, a feeding assembly and a causticizing kettle, the stock bin is located at one end of a feeding port of the conveyor. One end of the glove box is connected with a discharging port of the stock bin, and the other end of the glove box is connected with a feeding port of the conveyor. The feeding assembly is arranged above the causticizing kettle, the top end of the feeding assembly is connected with a discharge port of the powder conveyor, and the bottom end of the feeding assembly is connected with a feed port of the causticizing kettle. Through the design of the stock bin, the glove box, the conveyor, the feeding assembly and the causticizing kettle and the formation of the closed feeding space, lime dust can be effectively prevented from entering the atmosphere in the feeding process, environmental pollution is effectively prevented, and the causticizing device is high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of chemical equipment, and in particular to a sodium hypophosphite causticizing device. Background Technology

[0002] Sodium hypophosphite is typically prepared using a causticizing solution and yellow phosphorus. The causticizing solution is prepared using lime and sodium hydroxide solution.

[0003] In existing technology, sodium hydroxide solution is first added to the causticizing reactor, and then lime from a ton bag is hoisted and added to the causticizing reactor. During the lime feeding process, a large amount of lime dust usually enters the atmosphere, which not only causes waste but also seriously pollutes the environment and is detrimental to safe production. Utility Model Content

[0004] This invention provides a sodium hypophosphite causticizing device, which solves the problem of lime dust splashing in the prior art.

[0005] To solve the above-mentioned technical problems, this utility model provides a sodium hypophosphite causticizing device, including: a silo, a glove box, a conveyor, a feeding assembly, and a causticizing kettle;

[0006] The hopper is located at one end of the conveyor's inlet and contains a bag of lime. One end of the glove box is connected to the hopper's outlet, and the other end is connected to the conveyor.

[0007] Connect the feeder's inlet;

[0008] The feeding assembly is arranged above the causticizing kettle, with its top end connected to the discharge port of the conveyor and its bottom end connected to the feed port of the causticizing kettle.

[0009] The causticizing vessel contains a sodium hydroxide solution.

[0010] In a preferred embodiment of the present invention, the feeding assembly includes a hopper, the inlet of the hopper being connected to the outlet of the powder conveyor via a first hose, and the outlet being connected to the inlet of the causticizing reactor via a second hose.

[0011] In a preferred embodiment of the present invention, the feeding assembly further includes a weighing module and a shut-off fan. The weighing module is installed below the lifting lug of the hopper. The inlet of the shut-off fan is connected to the outlet of the hopper, and the outlet of the shut-off fan is connected to the second flexible hose.

[0012] In a preferred embodiment of the present invention, the device further includes a program controller, which is signal-connected to the weighing module, the air shut-off fan, and the conveyor; and the weighing module is connected to the air shut-off fan and the conveyor for linkage control through the program controller.

[0013] In a preferred embodiment of the present invention, a balance pipe is also connected between the top cover of the causticizing kettle and the top cover of the hopper, and the balance pipe is in communication with the interior of the causticizing kettle and the hopper respectively.

[0014] In a preferred embodiment of the present invention, a slag outlet is also provided at the bottom of the side wall of the causticizing kettle.

[0015] In a preferred embodiment of this utility model, the slag outlet is connected to the screw conveyor.

[0016] In a preferred embodiment of this utility model, a flushing water pipe is also connected to the top of the slag outlet.

[0017] The beneficial effects of this utility model are as follows: This utility model provides a sodium hypophosphite causticizing device. Through the design of a silo, glove box, conveyor, feeding assembly, and causticizing kettle, forming a sealed feeding space, it can effectively prevent lime dust from entering the atmosphere during the feeding process.

[0018] It prevents environmental pollution and is highly practical. Attached Figure Description

[0019] Figure 1 is a three-dimensional structural schematic diagram of a preferred embodiment of a sodium hypophosphite causticizing device according to the present invention;

[0020] The components in the attached diagram are labeled as follows:

[0021] 100. Silo; 200. Glove box; 300. Conveyor;

[0022] 400. Feeding assembly; 410. Hopper; 420. Weighing module; 430. Air shut-off fan;

[0023] 500. Causticizing reactor; 510. Slag outlet; 520. Screw conveyor; 530. Flushing water pipe;

[0024] 610. First hose; 620. Second hose;

[0025] 700. Balance tube. Detailed Implementation

[0026] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0027] Please refer to Figure 1. The embodiments of this utility model include:

[0028] This invention discloses a sodium hypophosphite causticizing device, comprising: a silo 100 and a glove box.

[0029] 200, conveyor 300, feeding assembly 400, and causticizing kettle 500.

[0030] Specifically, the hopper 100 is a cylindrical body with a top cover and a bottom cover.

[0031] Conical structure. The hopper 100 is located at one end of the inlet of the conveyor 300 and is used to hold...

[0032] Place the lime bags. After the crane places the lime bags into the silo, close the top cover.

[0033] To prevent lime from splashing from the top of the hopper 100 onto the ring during subsequent operations when it flows out of the bag.

[0034] in the environment.

[0035] One end of the glove box 200 is connected to the discharge port of the hopper 100, and the other end...

[0036] It connects to the feed inlet of the conveyor 300. The design of the glove box 200 enables...

[0037] Open the mouth of the lime bag inside the glove box 200 to allow the lime inside the bag to flow into the conveyor.

[0038] The feed inlet of the machine 300 is designed to prevent lime from splashing into the environment.

[0039] The conveyor 300 has multiple roller sections, forming a closed conveying environment that effectively prevents lime powder from scattering into the environment during transport. In this embodiment, the multiple rollers are connected in an S-shaped structure, with the inlet of the conveyor 300 located at the bottom of the S-shaped structure and the outlet at...

[0040] The top of the S-shaped structure.

[0041] The feeding assembly 400 is arranged above the causticizing kettle 500 and located at the conveying...

[0042] Below the discharge port of the 300 feeder.

[0043] Specifically, the feeding assembly 400 includes a hopper 410, a weighing module 420, and a blower.

[0044] 430. The hopper 410 is arranged vertically, and its top inlet is connected to the feed inlet via a first flexible hose 610.

[0045] The discharge port of the conveyor 300 is connected to the airlock 430.

[0046] The discharge port of the airlock blower 430 is connected to the inlet of the causticizing kettle 500 via the second hose 620. The lime powder conveyed in the conveyor 300 enters the causticizing kettle 500 sequentially through the first hose 610, the hopper 410, the airlock blower 430, and the second hose 620.

[0047] The aforementioned conveyor 300, first hose 610, hopper 410, airlock 430, and second hose 620 form a closed feeding environment, which can effectively prevent lime powder from splashing into the environment.

[0048] In addition, a balancing device is connected between the top cover of the causticizing kettle 500 and the hopper 410.

[0049] The balance tube 700 has two ends connected to the causticizing kettle 500 and the hopper 410, respectively.

[0050] The internal connection is used to balance the air pressure in the causticizing kettle 500 and the hopper 410, ensuring the lime powder...

[0051] The material can be fed smoothly.

[0052] The weighing module 420 is installed below the lifting lug of the hopper 410 and is used to measure the feed.

[0053] The weight of the lime powder fed into the hopper 410.

[0054] The combination of the weighing module 420 and the airlock 430 can control the lime powder.

[0055] A measured amount is added to the causticizing reactor 500 in order to control the causticizing reaction.

[0056] Specifically, the weighing module 420, the airlock 430's switching valve, and the conveyor 300

[0057] The switching valves are respectively connected to the program controller signal, and the weighing module 420 is connected via...

[0058] The program controller is connected to the switching valves of the airlock 430 and the conveyor 300 for linkage control.

[0059] The weighing module 420 detects the amount of lime powder in the hopper 410 and sends a signal.

[0060] The programmable controller determines that the amount of lime powder in hopper 410 has reached the feeding threshold.

[0061] When required, a signal is sent to close the switching valve of the conveyor 300, and simultaneously open the switch.

[0062] The switching valve of the blower 430 allows the lime powder in the hopper 410 to be added into the causticizing kettle 500.

[0063] Once the filling is complete, a signal is sent to open the switch valve of the conveyor 300, while simultaneously closing the...

[0064] The on / off valve of the blower 430 is described.

[0065] The causticizing reactor 500 contains a sodium hydroxide solution. The sidewalls of the causticizing reactor 500...

[0066] A slag outlet 510 is also provided at the bottom, which is connected to the auger 520 for discharging slag.

[0067] Unreacted lime lumps within 500 mL of the causticizing reactor should be removed promptly to reduce the risk of subsequent pipeline blockage.

[0068] In addition, the top of the slag outlet 510 is also connected to a flushing water pipe 530, which is used to flush the slag during the slag discharge process to prevent the causticizing liquid from being discharged with the slag and polluting the environment.

[0069] This utility model discloses a sodium hypophosphite causticizing device, which includes a hopper 100, a glove box 200, and...

[0070] The design of the conveyor 300, feeding assembly 400, and causticizing kettle 500 enables the first feeding of lime in bags.

[0071] The material is added into the silo 100, then the bag is opened from the glove box 200, and the material enters the causticizing kettle 500 via the conveyor 300. The silo 100, glove box 200, conveyor 300, feeding component 400 and causticizing kettle 500 form a closed feeding environment, which can effectively prevent lime dust from entering the atmosphere and effectively prevent environmental pollution.

[0072] In addition, this utility model also has the functions of quantitative feeding of lime powder and timely removal of unreacted lime blocks from the reactor. The former can prevent waste of raw materials, and the latter can reduce the risk of pipeline blockage in subsequent processes, making it highly practical.

[0073] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A sodium hypophosphite causticizing apparatus, characterized in that, The device comprises a stock bin, a glove box, a conveyor, a feeding assembly and a caustic pot. The stock bin is located at one end of the feeding port of the conveyor, and a lime bag is placed in the stock bin. One end of the glove box is connected with the discharge port of the stock bin, and the other end is connected with the feeding port of the conveyor. The feeding assembly is arranged above the caustic pot, the top end of the feeding assembly is connected with the discharge port of the conveyor, and the bottom end is connected with the feeding port of the caustic pot. The caustic pot contains sodium hydroxide solution. The feeding assembly comprises a hopper, the feeding port of the hopper is connected with the discharge port of the conveyor through a first hose, and the discharge port of the hopper is connected with the feeding port of the caustic pot through a second hose.

2. The sodium hypophosphite causticizing apparatus according to claim 1, wherein The feeding assembly further comprises a weighing module and an air lock fan, the weighing module is installed below the lifting lug of the hopper, the feeding port of the air lock fan is connected with the discharge port of the hopper, and the discharge port of the air lock fan is connected with the second hose.

3. The sodium hypophosphite causticizing apparatus according to claim 2, wherein The device further comprises a program controller, the program controller is signal connected with the weighing module, the air lock fan and the conveyor, and the weighing module is connected with the air lock fan and the conveyor through the program controller.

4. The sodium hypophosphite causticizing apparatus according to claim 3, wherein A balance pipe is further connected between the top cover of the caustic pot and the hopper, and the balance pipe is respectively communicated with the inside of the caustic pot and the hopper.

5. The sodium hypophosphite causticizing apparatus according to claim 4, wherein A slag discharge port is further arranged at the bottom of the side wall of the caustic pot.

6. The sodium hypophosphite causticizing apparatus according to claim 5, wherein The slag discharge port is connected with an auger.

7. A sodium hypophosphite causticizing plant according to claim 6, characterized in that, A flushing water pipe is further connected at the top of the slag discharge port.

8. The sodium hypophosphite causticizing apparatus according to claim 7, wherein ​

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