CN214582656U - Yellow phosphorus slag flushing water waste heat utilization device - Google Patents
Yellow phosphorus slag flushing water waste heat utilization device Download PDFInfo
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- CN214582656U CN214582656U CN202120228465.8U CN202120228465U CN214582656U CN 214582656 U CN214582656 U CN 214582656U CN 202120228465 U CN202120228465 U CN 202120228465U CN 214582656 U CN214582656 U CN 214582656U
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Abstract
A yellow phosphorus slag washing water waste heat utilization device comprises a hot water tank and a slag washing water tank, wherein the hot water tank is connected with the slag washing water tank through a communicating pipe, a second hot water circulating pump is arranged outside the hot water tank, the input end of the second hot water circulating pump is connected with the hot water tank, the output end of the second hot water circulating pump is connected with a yellow phosphorus hot water circulating water outlet pipe, a tubular heat exchanger is arranged in the slag washing water tank, the input end of the tubular heat exchanger is connected with a heat exchange water inlet pipe, the heat exchange water inlet pipe extends into the hot water tank, a first hot water circulating pump is arranged outside the slag washing water tank, the input end of the first hot water circulating pump is connected with the heat exchange water outlet pipe, the output end of the first hot water circulating pump is connected with the slag washing water tank, the tubular heat exchanger is arranged in the slag washing water tank, backflow cold water in the hot water tank is pumped by the first hot water circulating pump, enters the tubular heat exchanger to be subjected to full heat exchange with slag washing hot water, and the heated hot water is pumped by the second hot water circulating pump to be used by a downstream production device, the heat exchange between the hot water after slag flushing and the cold water reflowing from the production device is realized.
Description
Technical Field
The utility model relates to a yellow phosphorus production field, especially a yellow phosphorus washes sediment water waste heat utilization equipment.
Background
With the continuous development of the clean technology for producing yellow phosphorus, the yellow phosphorus is generally applied in a slag flushing water quenching mode, and because a large amount of heat is taken away by slag flushing water in the water quenching process of the slag, the temperature of the slag flushing water is continuously increased, even can reach more than 90 ℃ in summer, after the temperature of the water is increased, the water quenching effect is influenced, a large amount of heat energy needs to be taken away through equipment such as a spray tower, a heat exchanger, a water cooling tower and the like, subsequent heat exchange equipment is added, the treatment system is long, the heat energy is not fully utilized, and finally the heat energy is taken away along with the atmosphere or external drainage.
In the production of yellow phosphorus, because the freezing point of yellow phosphorus is low, a conveying pipeline is often blocked, hot water is needed to heat a system and flush the pipeline, the demand of the hot water is large, and a common hot water heat source is mainly provided by boiler steam.
According to the situation, on one hand, the heat energy of the slag flushing water is not fully utilized and is discharged into the atmosphere and the outside water, and on the other hand, the hot water in production needs to be supplemented by a heat source, so that the comprehensive utilization of the heat source of the yellow phosphorus slag flushing water is of great significance.
Disclosure of Invention
The utility model aims to solve the technical problem that a yellow phosphorus dashes sediment water waste heat utilization equipment is provided, can carry the backward flow cold water of yellow phosphorus low reaches apparatus for producing after rising up with dashing the abundant heat transfer of hot water in the sediment pond and carry to low reaches apparatus for producing, realize the heating of yellow phosphorus towards the sediment water and the intensification of low reaches circulating water, realize the abundant recycle of energy.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a yellow phosphorus slag flushing water waste heat utilization device comprises a hot water tank and a slag flushing water tank, wherein the hot water tank is connected with the slag flushing water tank through a communicating pipe, the hot water tank is connected with a yellow phosphorus hot water circulating return pipe, a second hot water circulating pump is arranged outside the hot water tank, the input end of the second hot water circulating pump is connected with the hot water tank, the output end of the second hot water circulating pump is connected with a yellow phosphorus hot water circulating water outlet pipe, a tubular heat exchanger is arranged in the slag flushing water tank, the input end of the tubular heat exchanger is connected with a heat exchange water inlet pipe, the heat exchange water inlet pipe extends into the hot water tank, the output end of the tubular heat exchanger is connected with a heat exchange water outlet pipe, a first hot water circulating pump is arranged outside the slag flushing water tank, the input end of the first hot water circulating pump is connected with the heat exchange water outlet pipe, the output end of the first hot water circulating pump is connected with the slag flushing water tank, backflow cold water of a downstream production device enters the hot water tank through the yellow phosphorus hot water circulating return pipe, the first hot water circulating pump is pumped to the tubular heat exchanger and fully exchanges heat with the slag flushing water of the slag flushing water tank, and the second hot water circulating pump is used for pumping the slag flushing hot water for a downstream production device to recycle the heat of the slag flushing hot water.
The hot water circulating return pipe is positioned at the upper end of the hot water tank, and the output end of the second hot water circulating pump is connected with the bottom of the hot water tank.
The inlet end of the heat exchange water inlet pipe is positioned at the bottom in the hot water tank.
The output end of the first hot water circulating pump is connected with the bottom of the slag flushing water tank.
The utility model provides a pair of yellow phosphorus dashes sediment water waste heat utilization equipment, through set up the tubulation heat exchanger in dashing the sediment pond, the backward flow cold water in the hot water jar is extracted through first hot water circulating pump gets into the tubulation heat exchanger and carries out abundant heat exchange with towards sediment hot water and heaies up the back, hot water after extracting by second hot water circulating pump and heaies up again supplies low reaches apparatus for producing to use, the hot water after having realized dashing the sediment and the heat exchange of the cold water of apparatus for producing backward flow, equipment structure is simple, high operation, high heat exchange efficiency, be favorable to the process control in the yellow phosphorus production.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a hot water tank 1, a slag flushing water tank 2, a tubular heat exchanger 3, a first hot water circulating pump 4, a second hot water circulating pump 5, a yellow phosphorus hot water circulating return pipe 6, a yellow phosphorus hot water circulating outlet pipe 7, a heat exchange inlet pipe 8, a heat exchange outlet pipe 9 and a communicating pipe 10.
Detailed Description
As shown in figure 1, the yellow phosphorus slag washing water waste heat utilization device comprises a hot water tank 1 and a slag washing water tank 2, wherein the hot water tank 1 is connected with the slag washing water tank 2 through a communicating pipe 10, the hot water tank 1 is connected with a yellow phosphorus hot water circulating water return pipe 6, a second hot water circulating pump 5 is arranged outside the hot water tank 1, the input end of the second hot water circulating pump 5 is connected with the hot water tank 1, the output end of the second hot water circulating pump 5 is connected with a yellow phosphorus hot water circulating water outlet pipe 7, a tubular heat exchanger 3 is arranged in the slag washing water tank 2, the input end of the tubular heat exchanger 3 is connected with a heat exchange water inlet pipe 8, the heat exchange water inlet pipe 8 extends into the hot water tank 1, the output end of the tubular heat exchanger 3 is connected with a heat exchange water outlet pipe 9, a first hot water circulating pump 4 is arranged outside the slag washing water tank 2, the input end of the first hot water circulating pump 4 is connected with the heat exchange water outlet pipe 9, the output end of the slag washing water tank 2 is connected with the return cold water of a downstream production device, the return cold water of the hot water circulating water tank 1 through the yellow phosphorus hot water return pipe 6, the hot water is extracted to the tubular heat exchanger 3 and the slag flushing hot water in the slag flushing water tank 2 through the first hot water circulating pump 4, the hot water enters the hot water tank 1 after being subjected to sufficient heat exchange and temperature rise, the hot water is extracted by the second hot water circulating pump 5 to be used by a downstream production device, the heat of the slag flushing hot water is recycled, the backflow cold water in the hot water tank 1 is conveyed to the downstream production device through the tubular heat exchanger 3 and the slag flushing hot water in the slag flushing water tank 2 after being subjected to sufficient heat exchange and temperature rise, and heat exchange and circulation are achieved.
Foretell hot water circulation wet return 6 is located 1 upper end of hot-water cylinder, places and is convenient for reduce the backward flow resistance in the upper end, and in the backward flow water got into hot-water cylinder 1 with free fall, the 5 output connections of second hot-water circulation pump 1 bottoms of hot-water cylinder can avoid 1 internal circulation water of hot-water cylinder not to appear empty taking out.
The inlet end of the heat exchange water inlet pipe 8 is positioned at the bottom in the hot water tank 1, so that the phenomenon of air pumping of the first hot water circulating pump 4 can be avoided.
Claims (4)
1. A yellow phosphorus slag washing water waste heat utilization device is characterized by comprising a hot water tank (1) and a slag washing water tank (2), wherein the hot water tank (1) and the slag washing water tank (2) are connected through a communicating pipe (10), the hot water tank (1) is connected with a yellow phosphorus hot water circulating water return pipe (6), a second hot water circulating pump (5) is arranged outside the hot water tank (1), the input end of the second hot water circulating pump (5) is connected with the hot water tank (1), the output end of the second hot water circulating pump is connected with a yellow phosphorus hot water circulating water outlet pipe (7), a tube array heat exchanger (3) is arranged in the slag washing water tank (2), the input end of the tube array heat exchanger (3) is connected with a heat exchange water inlet pipe (8), the heat exchange water inlet pipe (8) extends into the hot water tank (1), the output end of the tube heat exchanger (3) is connected with a heat exchange water outlet pipe (9), a first hot water circulating pump (4) is arranged outside the slag washing water tank (2), and the input end of the first hot water circulating pump (4) is connected with the heat exchange water outlet pipe (9), the output is connected with towards sediment pond (2), and low reaches apparatus for producing's backward flow cold water gets into hot-water cylinder (1) through yellow phosphorus hot water circulation wet return (6), extracts to tubular heat exchanger (3) and towards sediment hot water abundant heat transfer of sediment pond (2) through first hot water circulating pump (4) and heaies up and get into hot-water cylinder (1) after, is extracted by second hot water circulating pump (5) again and supplies low reaches apparatus for it uses to dash sediment hot water heat to obtain cyclic utilization.
2. The device for utilizing the waste heat of the yellow phosphorus slag washing water as claimed in claim 1, which is characterized in that: the yellow phosphorus hot water circulation water return pipe (6) is positioned at the upper end of the hot water tank (1), and the output end of the second hot water circulation pump (5) is connected with the bottom of the hot water tank (1).
3. The device for utilizing the waste heat of the yellow phosphorus slag washing water as claimed in claim 1, which is characterized in that: the inlet end of the heat exchange water inlet pipe (8) is positioned at the bottom in the hot water tank (1).
4. The device for utilizing the waste heat of the yellow phosphorus slag washing water as claimed in claim 1, which is characterized in that: the output end of the first hot water circulating pump (4) is connected with the bottom of the slag flushing water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120228465.8U CN214582656U (en) | 2021-01-27 | 2021-01-27 | Yellow phosphorus slag flushing water waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120228465.8U CN214582656U (en) | 2021-01-27 | 2021-01-27 | Yellow phosphorus slag flushing water waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214582656U true CN214582656U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120228465.8U Active CN214582656U (en) | 2021-01-27 | 2021-01-27 | Yellow phosphorus slag flushing water waste heat utilization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214582656U (en) |
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2021
- 2021-01-27 CN CN202120228465.8U patent/CN214582656U/en active Active
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