Slag clarifying and water taking device for high-temperature water of yellow phosphorus slag pool

Abstract

The utility model discloses a yellow phosphorus slag pool high-temperature water slag settling and water taking device, which relates to the technical field of yellow phosphorus chemical industry and comprises a slag settling overflow pool, a vertical partition plate is arranged in the slag settling overflow pool and divides the space in the slag settling overflow pool into a vertical flow settling pool and a clean water pool, a first overflow port is arranged at the top end of the partition plate, and a second overflow port is arranged at the bottom end of the partition plate. Clear water at the top end of the vertical flow sedimentation tank can overflow into the clear water tank through the first overflow port; a first conical slag receiving hopper is arranged at the bottom end of the vertical flow sedimentation tank; a discharge hole in the bottom end of the first conical slag receiving hopper is communicated with the yellow phosphorus slag tank through a first sediment return pipe; the bottom ends of the first conical slag receiving hoppers are higher than the top end of the yellow phosphorus slag tank; the high-temperature slurry pump is used for pumping slag-containing high-temperature water in the yellow phosphorus slag tank into the vertical flow sedimentation tank; and the clean water pump is used for pumping clean water in the clean water tank to a yellow phosphorus bleaching section. And recycling of the water and the phosphorus slag in the slag-containing high-temperature water can be completed.

Description

Technical Field

[0001] The utility model relates to the technical field of yellow phosphorus chemical industry, in particular to a device for extracting water from high-temperature water in a yellow phosphorus slag pond after sediment clarification of slag. Background Art

[0002] At present, water is used to cool phosphorus slag in the production of yellow phosphorus plants. A large amount of high-temperature water will be generated during the cooling process. This high-temperature water is boiling water above 95 °C. Since the boiling water contains a large amount of phosphorus slag, this boiling water cannot be utilized. Content of the Utility Model

[0003] The purpose of the utility model is to provide a device for extracting water from high-temperature water in a yellow phosphorus slag pond after sediment clarification of slag, so as to solve the problems existing in the above-mentioned prior art and realize the recycling of water and phosphorus slag in the slag-containing high-temperature water generated by cooling phosphorus slag in yellow phosphorus production.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a device for extracting water from high-temperature water in a yellow phosphorus slag pond after sediment clarification of slag, including:

[0006] A sediment clarification overflow pond, in which a vertical partition board is arranged. The partition board divides the space in the sediment clarification overflow pond into a vertical flow sedimentation pond and a clear water pond. A first overflow port is arranged at the top end of the partition board. The clear water at the top end of the vertical flow sedimentation pond can overflow into the clear water pond through the first overflow port. A first conical slag receiving hopper is arranged at the bottom end of the vertical flow sedimentation pond. The discharge port at the bottom end of the first conical slag receiving hopper is communicated with the yellow phosphorus slag pond through a first sediment return pipe. The bottom end of the first conical slag receiving hopper is higher than the top end of the yellow phosphorus slag pond;

[0007] A high-temperature slurry pump, which is used to pump the slag-containing high-temperature water in the yellow phosphorus slag pond into the vertical flow sedimentation pond;

[0008] A clear water pump, which is used to pump the clear water in the clear water pond to the yellow phosphorus floating phosphorus section.

[0009] Preferably, a vertical feed pipe is arranged in the vertical flow sedimentation pond. The discharge port of the high-temperature slurry pump is communicated with the top end of the feed pipe through a connecting pipe.

[0010] Preferably, the feed pipe is located at the center of the vertical flow sedimentation pond, and the bottom end of the feed pipe is located at the bottom of the vertical flow sedimentation pond.

[0011] Preferably, a float travel switch is further arranged in the clear water pond, and the float travel switch is used to control the opening and closing of the clear water pump.

[0012] Preferably, a second overflow port is provided at the top of the clear water tank, and the second overflow port is communicated with the yellow phosphorus slag tank.

[0013] Preferably, a second conical slag receiving hopper is provided at the bottom of the clear water tank, and the discharge port at the bottom of the second conical slag receiving hopper is communicated with the yellow phosphorus slag tank through a second sediment return pipe; the bottom of the second conical slag receiving hopper is higher than the top of the yellow phosphorus slag tank.

[0014] Preferably, the bottom of the clear water tank is communicated with the water inlet of the clear water pump through a water intake pipe, and the water outlet of the clear water pump is communicated with the yellow phosphorus floating phosphorus section through a water supply pipe.

[0015] The utility model has achieved the following technical effects compared with the prior art:

[0016] The yellow phosphorus slag tank high-temperature water sedimentation and water intake device of the utility model enables the slag-containing high-temperature water to settle in the vertical flow sedimentation tank, and the clear water at the top overflows into the clear water tank to complete the recycling of the water in the slag-containing high-temperature water. It can also return the sediment at the bottom of the vertical flow sedimentation tank and the clear water tank to the yellow phosphorus slag tank to complete the recycling of the phosphorus slag in the slag-containing high-temperature water.

[0017] Furthermore, through the setting of the float travel switch in the clear water tank of the utility model, it can be realized that when the clear water in the clear water tank reaches the preset liquid level, it is automatically pumped to the yellow phosphorus floating phosphorus section, and when the liquid level of the clear water in the clear water tank is lower than the preset liquid level, the clear water pump is automatically closed to stop the pumping of the clear water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a structural schematic diagram of the yellow phosphorus slag tank high-temperature water sedimentation and water intake device of the present utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the yellow phosphorus slag tank high-temperature water sedimentation and water intake device of the present utility model;

[0021] Among them, 1, yellow phosphorus slag tank; 2, sediment overflow tank; 201, vertical flow sedimentation tank; 202, partition board; 203, clear water tank; 3, feed pipe; 4, connecting pipe; 5, first conical slag receiving hopper; 6, first sediment return pipe; 7, high-temperature slurry pump; 8, slurry intake pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] The purpose of the present utility model is to provide a high-temperature water sediment-removing water intake device for a yellow phosphorus slag pond, so as to solve the problems existing in the above-mentioned prior art and realize the recycling of water and phosphorus slag in the slag-containing high-temperature water generated by cooling phosphorus slag in yellow phosphorus production.

[0024] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] As Figures 1 to 2 shown, this embodiment provides a high-temperature water sediment-removing water intake device for a yellow phosphorus slag pond 1, including:

[0026] A sediment-removing overflow pond 2, in which a vertical partition board 202 is arranged. The partition board 202 divides the space in the sediment-removing overflow pond 2 into a vertical sedimentation pond 201 and a clear water pond 203. The sediment-removing overflow pond 2 on one side of the partition board 202 is the vertical sedimentation pond 201, and the sediment-removing overflow pond 2 on the other side of the partition board 202 is the clear water pond 203. The top of the partition board 202 is provided with a first overflow port, and the clear water at the top of the vertical sedimentation pond 201 can overflow into the clear water pond 203 through the first overflow port; a first conical slag receiving hopper 5 is arranged at the bottom of the vertical sedimentation pond 201, and the discharge port at the bottom of the first conical slag receiving hopper 5 is communicated with the yellow phosphorus slag pond 1 through a first sediment return pipe 6; the bottom of the first conical slag receiving hopper 5 is higher than the top of the yellow phosphorus slag pond 1;

[0027] A high-temperature slurry pump 7, which is used to pump the slag-containing high-temperature water in the yellow phosphorus slag pond 1 into the vertical sedimentation pond 201;

[0028] A clear water pump, which is used to pump the clear water in the clear water pond 203 to the yellow phosphorus floating phosphorus section.

[0029] The high-temperature water sediment-removing water intake device for the yellow phosphorus slag pond 1 in this embodiment realizes the recycling of the water in the slag-containing high-temperature water by allowing the slag-containing high-temperature water to settle in the vertical sedimentation pond 201 and making the clear water at the top overflow into the clear water pond 203, and can also return the sediment at the bottom of the vertical sedimentation pond 201 and the clear water pond 203 to the yellow phosphorus slag pond 1, thereby realizing the recycling of the phosphorus slag in the slag-containing high-temperature water.

[0030] In this embodiment, the feed port of the high-temperature slurry pump 7 is communicated with the yellow phosphorus slag pond 1 through a slurry taking pipe 8.

[0031] In an alternative embodiment of the present embodiment, preferably, a second conical slag receiving hopper is provided at the bottom of the clear water tank 203. The discharge port at the bottom of the second conical slag receiving hopper is connected to the yellow phosphorus slag pool 1 through a second sediment return pipe. The bottom of the second conical slag receiving hopper is higher than the top of the yellow phosphorus slag pool 1.

[0032] It should be noted that making the bottom of the first conical slag receiving hopper 5 and the bottom of the second conical slag receiving hopper higher than the top of the yellow phosphorus slag pool 1 can enable the sediment in the first conical slag receiving hopper 5 and the second conical slag receiving hopper to flow back into the yellow phosphorus slag pool 1 under the action of its own weight; and electric control valves are respectively provided at the discharge ports at the bottom of the first conical slag receiving hopper 5 and the discharge ports at the bottom of the second conical slag receiving hopper to control the opening and closing of the discharge ports.

[0033] In an alternative embodiment of the present embodiment, preferably, a vertical feed pipe 3 is provided in the vertical flow sedimentation tank 201. The discharge port of the high-temperature slag slurry pump 7 is connected to the top of the feed pipe 3 through a connecting pipe 4. The slag-containing high-temperature water pumped by the high-temperature slag slurry pump 7 can enter the vertical flow sedimentation tank 201 through the connecting pipe 4 and the feed pipe 3.

[0034] In an alternative embodiment of the present embodiment, preferably, the feed pipe 3 is located at the center of the vertical flow sedimentation tank 201, and the bottom end of the feed pipe 3 is located at the bottom of the vertical flow sedimentation tank 201. Making the feed pipe 3 located at the center of the vertical flow sedimentation tank 201 can facilitate the uniform flow of the slag-containing high-temperature water in the vertical flow sedimentation tank 201 and improve the sedimentation effect of the slag-containing high-temperature water; making the bottom end of the feed pipe 3 located at the bottom of the vertical flow sedimentation tank 201 can prevent the newly entered slag-containing high-temperature water from contaminating the clear water that has been sedimented and separated at the top of the vertical flow sedimentation tank 201.

[0035] In an alternative embodiment of the present embodiment, preferably, a float travel switch is further provided in the clear water tank 203. The float travel switch is used to control the opening and closing of the clear water pump. The setting of the float travel switch can realize that the clear water in the clear water tank 203 is automatically pumped to the yellow phosphorus phosphorus removal section after reaching the preset liquid level, and when the liquid level of the clear water in the clear water tank 203 is lower than the preset liquid level, the clear water pump is automatically closed to stop the pumping of the clear water.

[0036] In an alternative embodiment of the present embodiment, preferably, a second overflow port is provided at the top of the clear water tank 203. The second overflow port is connected to the yellow phosphorus slag pool 1. After the water level in the clear water tank 203 reaches the second overflow port, it will automatically overflow into the yellow phosphorus slag pool 1.

[0037] In an alternative embodiment of the present embodiment, preferably, the bottom of the clear water tank 203 is connected to the inlet of the clear water pump through a water intake pipe, and the outlet of the clear water pump is connected to the yellow phosphorus phosphorus removal section through a water supply pipe.

[0038] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "top", "bottom", "vertical", etc. is based on the orientation or positional relationship shown in the drawings. It is 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. Therefore, it should not be construed as a limitation to the present utility model.

[0039] Specific examples are used in the present utility model to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A high-temperature water sedimentation and water intake device for yellow phosphorus slag pond, characterized in that, Including: A clarified slag overflow tank, in which a vertical partition board is arranged. The partition board divides the space in the clarified slag overflow tank into a vertical sedimentation tank and a clear water tank. A first overflow port is arranged at the top end of the partition board, and the clear water at the top end of the vertical sedimentation tank can overflow into the clear water tank through the first overflow port; a first conical slag receiving hopper is arranged at the bottom end of the vertical sedimentation tank, and the discharge port at the bottom end of the first conical slag receiving hopper is communicated with a yellow phosphorus slag tank through a first sediment return pipe; the bottom end of the first conical slag receiving hopper is higher than the top end of the yellow phosphorus slag tank; A high-temperature slag slurry pump, which is used to pump the slag-containing high-temperature water in the yellow phosphorus slag tank into the vertical sedimentation tank; A clear water pump, which is used to pump the clear water in the clear water tank to the yellow phosphorus phosphorus floating section.

2. The high-temperature water sediment-removing and water-taking device for yellow phosphorus slag pond according to claim 1, characterized in that: A vertical feed pipe is arranged in the vertical sedimentation tank, and the discharge port of the high-temperature slag slurry pump is communicated with the top end of the feed pipe through a connecting pipe.

3. The high-temperature water sediment-removing and water-taking device for yellow phosphorus slag pond according to claim 2, wherein: The feed pipe is located at the center of the vertical sedimentation tank, and the bottom end of the feed pipe is located at the bottom of the vertical sedimentation tank.

4. The high-temperature water sedimentation and water intake device for yellow phosphorus slag pond according to claim 1, wherein: A float travel switch is also arranged in the clear water tank, and the float travel switch is used to control the opening and closing of the clear water pump.

5. The high-temperature water sedimentation and water intake device for yellow phosphorus slag pond according to claim 1, wherein: A second overflow port is arranged at the top end of the clear water tank, and the second overflow port is communicated with the yellow phosphorus slag tank.

6. The high-temperature water sedimentation and water intake device for yellow phosphorus slag pond according to claim 1, characterized in that: A second conical slag receiving hopper is arranged at the bottom end of the clear water tank, and the discharge port at the bottom end of the second conical slag receiving hopper is communicated with the yellow phosphorus slag tank through a second sediment return pipe; the bottom end of the second conical slag receiving hopper is higher than the top end of the yellow phosphorus slag tank.

7. The high-temperature water sediment-removing and water-taking device for yellow phosphorus slag pond according to claim 1, characterized in that: The bottom of the clear water tank is communicated with the water inlet of the clear water pump through a water intake pipe, and the water outlet of the clear water pump is communicated with the yellow phosphorus phosphorus floating section through a water supply pipe.

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