CN219209480U - Water-saving and consumption-reducing water supplementing system of water washing tower - Google Patents
Water-saving and consumption-reducing water supplementing system of water washing tower Download PDFInfo
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- CN219209480U CN219209480U CN202320217349.5U CN202320217349U CN219209480U CN 219209480 U CN219209480 U CN 219209480U CN 202320217349 U CN202320217349 U CN 202320217349U CN 219209480 U CN219209480 U CN 219209480U
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Abstract
The utility model discloses a water replenishing system for water saving and consumption reduction of a water washing tower, which comprises a quenching tower, a water washing tower and a high-pressure boiler; the air outlet of the quenching tower is communicated with an air inlet pipeline of the water scrubber, and the air outlet of the water scrubber is connected with an air outlet pipe; the water inlet of the high-pressure boiler is communicated with the outlet of the water supply pump through a water inlet pipeline, a connecting pipe is communicated with the water inlet pipeline, the outlet of the connecting pipe is communicated with a heat medium inlet pipeline of the first cooler, the heat medium outlet of the first cooler is communicated with a water inlet pipeline of the water washing tower, the cold medium inlet of the first cooler is communicated with a desalted water pipeline, and the cold medium outlet of the first cooler is communicated with an inlet pipeline of the high-pressure boiler. The advantages are that: in the process of preparing aromatic hydrocarbon from synthetic gas, compared with the traditional method, the method has the advantages of simple flow, stable operation and low energy consumption, reduces equipment investment and maintenance cost, improves operation stability, solves the problems of high water consumption and high energy consumption of a water scrubber in aromatic hydrocarbon production, and saves electric energy consumption.
Description
Technical field:
the utility model relates to the technical field of water washing towers, in particular to a water supplementing system for water saving and consumption reduction of a water washing tower.
The background technology is as follows:
the new material production technology is that carbon dioxide gas and synthetic gas in methanol synthesis production are used as raw materials, aromatic hydrocarbon synthesis is carried out through a fluidized bed reactor, gas after the reactor enters a quenching tower, after oil washing and cooling, the gas needs to be continuously cooled to 50-60 ℃ through a water washing tower, and oil phase media such as aromatic hydrocarbon entrained in gas phase are washed.
The washing tower is circularly washed by adopting washing water and periodically supplements fresh water to drain acid water, and the pressure in the washing tower is higher between 2.4 and 3.2MPa, so that the water supplementing of the washing tower in the traditional technology can only be realized by using low-pressure desalted water of 0.4 to 0.7MPa, and the water is supplemented as fresh water after being pressurized by one diaphragm pump or plunger pump with one diaphragm pump and two diaphragm pumps.
The utility model comprises the following steps:
the utility model aims to provide a water replenishing system for saving water and reducing consumption of a water scrubber.
The utility model is implemented by the following technical scheme: the water replenishing system for water washing tower includes quench tower, water washing tower and high pressure boiler;
the air outlet of the quenching tower is communicated with the air inlet pipeline of the water washing tower, and the air outlet of the water washing tower is connected with the air outlet pipe;
the water inlet of the high-pressure boiler is communicated with the outlet of the water supply pump through a water inlet pipeline, a connecting pipe is communicated with the water inlet pipeline, the outlet of the connecting pipe is communicated with a heat medium inlet pipeline of the first cooler, a heat medium outlet of the first cooler is communicated with a water inlet pipeline of the water washing tower, a cold medium inlet of the first cooler is communicated with a desalted water pipeline, and a cold medium outlet of the first cooler is communicated with an inlet pipeline of the water supply pump.
Further, an oil-water separation chamber is arranged in the water washing tower and comprises an oil storage tank and a water storage tank which are separated by a partition plate, an oil outlet at the bottom end of the oil storage tank is communicated with an oil inlet pipeline of the rectifying tower, a water outlet at the bottom end of the water storage tank is communicated with a heat medium inlet pipeline of a second cooler by a circulating pump, and a heat medium outlet of the second cooler is communicated with a water inlet pipeline of the water washing tower.
Further, the cooling medium inlet of the second cooler is communicated with the desalted water pipeline, and the cooling medium outlet of the second cooler is communicated with the inlet pipeline of the water feeding pump.
Further, a drain pipe is connected to a pipeline between the water outlet at the bottom end of the water storage tank and the inlet of the circulating pump, and the outlet of the drain pipe is connected with a sewage treatment system.
The utility model has the advantages that: in the process of preparing aromatic hydrocarbon from synthetic gas, compared with the traditional method, the method has the advantages of simple flow, stable operation and low energy consumption, reduces equipment investment and maintenance cost, improves operation stability, and solves the problems of high water consumption and high energy consumption of a water scrubber in aromatic hydrocarbon production;
adding a first cooler to the high-pressure boiler with the water supplementing temperature of 100-110 ℃, cooling to 50-60 ℃, and supplementing the water into a water washing tower to maintain the liquid level stable; the high-pressure boiler water supply pump is used for supplementing water to the high-pressure boiler after the desalted water is pressurized, so that the high-pressure boiler water supply pump is used for supplementing water, the technical problem caused by supplementing low-pressure desalted water by using the diaphragm pump or the plunger pump for supplementing water in the water washing tower in the prior art is solved, the production is stabilized, the consumption of electric energy is saved, and the problem of water resource waste caused by damage of the diaphragm pump or the plunger pump is reduced.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the utility model;
in the figure: the system comprises a quenching tower 1, a water washing tower 2, an oil-water separation chamber 21, an oil storage tank 23, a water storage tank 24, a high-pressure boiler 3, an air outlet pipe 4, a first cooler 5, a desalted water pipeline 6, a circulating pump 7, a rectifying tower 8, a second cooler 9, a drain pipe 10, a sewage treatment system 11, a water inlet pipeline 12, a connecting pipe 13 and a water supply pump 14.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figure 1, the water replenishing system for saving water and reducing consumption of the water scrubber comprises a quench tower 1, a water scrubber 2 and a high-pressure boiler 3;
the air outlet of the quenching tower 1 is communicated with an air inlet pipeline of the water scrubber 2, and the air outlet of the water scrubber 2 is connected with an air outlet pipe 4;
the water inlet of the high-pressure boiler 3 is communicated with the outlet of the water feeding pump 14 through a water inlet pipeline 12, a connecting pipe 13 is communicated with the water inlet pipeline 12, the outlet of the connecting pipe 13 is communicated with a heat medium inlet pipeline of the first cooler 5, the heat medium outlet of the first cooler 5 is communicated with a water inlet pipeline of the water washing tower 2, the cold medium inlet of the first cooler 5 is connected with a desalted water pipeline 6, the cold medium outlet of the first cooler 5 is communicated with an inlet pipeline of the water feeding pump 14, the water supplementing temperature of the high-pressure boiler 3 is 100-110 ℃, the first cooler 5 is increased, the temperature is reduced to 50-60 ℃, and the water is supplemented into the water washing tower 2 so as to maintain the stable liquid level; the high-pressure boiler 3 is supplied with water by the water supply pump of the high-pressure boiler 3, and the desalted water is pumped to the high-pressure boiler 3 to be supplied with water, so that the technical problem caused by supplying low-pressure desalted water by the diaphragm pump or the plunger pump for supplying water to the water washing tower 2 in the prior art is solved, the production is stabilized, the consumption of electric energy is saved, and the problem of water resource waste caused by damage of the diaphragm pump or the plunger pump is reduced.
The inside of the water washing tower 2 is provided with an oil-water separation chamber 21, the oil-water separation chamber 21 comprises an oil storage tank 23 and a water storage tank 24 which are separated by a baffle 22, an oil outlet at the bottom end of the oil storage tank 23 is communicated with an oil inlet pipeline of the rectifying tower 8, a water outlet at the bottom end of the water storage tank 24 is communicated with a heat medium inlet pipeline of the second cooler 9 by a circulating pump 7, a heat medium outlet of the second cooler 9 is communicated with a water inlet pipeline of the water washing tower 2, a water outlet at the bottom end of the water storage tank 24 is connected with a water drain pipe 10 on a pipeline between the water outlet at the bottom end of the water storage tank 24 and an inlet of the circulating pump 7, the outlet of the water drain pipe 10 is connected with a sewage treatment system 11, the washed liquid is collected to the bottom of the tower, after the oil-water at the bottom of the water washing tower 2 is separated by the oil-water separation chamber 21, the oil phase is separated from the rectifying tower 8, a part of the water phase is sent to a sewage treatment system 11 for purification treatment according to the required amount of the water washing tower 2, and the other part of the water phase is recycled to the top of the water washing tower 2 for countercurrent contact with gas in the water washing tower 2 from top to bottom to top to bottom in the water washing tower for quality exchange.
The cold medium inlet of the second cooler 9 is connected with the desalted water pipeline 6, the cold medium outlet of the second cooler 9 is communicated with the inlet pipeline of the water feeding pump 14, the desalted water in the desalted water pipeline 6 is preheated through the first cooler 5 and the second cooler 9, and the preheated desalted water is sent to the high-pressure boiler, so that the energy consumption for heating the boiler is reduced.
In the process of preparing aromatic hydrocarbon from synthetic gas, compared with the traditional method, the method has the advantages of simple flow, stable operation and low energy consumption, reduces equipment investment and maintenance cost, improves operation stability, and solves the problems of high water consumption and high energy consumption of the water scrubber 2 in the aromatic hydrocarbon production.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The water replenishing system for water saving and consumption reduction of the water washing tower is characterized by comprising a quenching tower, a water washing tower and a high-pressure boiler;
the air outlet of the quenching tower is communicated with the air inlet pipeline of the water washing tower, and the air outlet of the water washing tower is connected with the air outlet pipe;
the water inlet of the high-pressure boiler is communicated with the outlet of the water supply pump through a water inlet pipeline, a connecting pipe is communicated with the water inlet pipeline, the outlet of the connecting pipe is communicated with a heat medium inlet pipeline of the first cooler, a heat medium outlet of the first cooler is communicated with a water inlet pipeline of the water washing tower, a cold medium inlet of the first cooler is communicated with a desalted water pipeline, and a cold medium outlet of the first cooler is communicated with an inlet pipeline of the water supply pump.
2. The water replenishing system for saving water and reducing consumption of the water scrubber according to claim 1, wherein an oil-water separation chamber is arranged in the water scrubber, the oil-water separation chamber comprises an oil storage tank and a water storage tank which are separated by a partition plate, an oil outlet at the bottom end of the oil storage tank is communicated with an oil inlet pipeline of the rectifying tower, a water outlet at the bottom end of the water storage tank is communicated with a heat medium inlet pipeline of a second cooler by a circulating pump, and a heat medium outlet of the second cooler is communicated with a water inlet pipeline of the water scrubber.
3. The water saving and consumption reducing water replenishment system for a water scrubber according to claim 2, wherein the cold medium inlet of the second cooler is in communication with the desalted water line, and the cold medium outlet of the second cooler is in communication with the inlet line of the feed water pump.
4. The water saving and consumption reducing water replenishing system for a water scrubber according to claim 3, wherein a water draining pipe is connected to a pipeline between the water outlet at the bottom end of the water tank and the inlet of the circulating pump, and the outlet of the water draining pipe is connected to the sewage treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217349.5U CN219209480U (en) | 2023-02-07 | 2023-02-07 | Water-saving and consumption-reducing water supplementing system of water washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217349.5U CN219209480U (en) | 2023-02-07 | 2023-02-07 | Water-saving and consumption-reducing water supplementing system of water washing tower |
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| Publication Number | Publication Date |
|---|---|
| CN219209480U true CN219209480U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320217349.5U Active CN219209480U (en) | 2023-02-07 | 2023-02-07 | Water-saving and consumption-reducing water supplementing system of water washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219209480U (en) |
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2023
- 2023-02-07 CN CN202320217349.5U patent/CN219209480U/en active Active
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