CN-224215316-U - Steam-bag steam overheat treatment device

Abstract

The utility model provides a gas-bag steam overheat treatment device which comprises a gasifier, saturated steam, a boiler water pipeline, a boiler water circulating pump, a medium-pressure gas bag, steam emptying, saturated steam, steam emptying, a superheated steam pipe network, a synthesis tower, a steam superheater and saturated steam from synthesis and saturated steam from transformation, wherein the saturated steam is connected with the middle part of the gasifier, the upper part of the medium-pressure gas bag is connected with the saturated steam, the boiler water pipeline is connected with the lower part of the medium-pressure gas bag, and the boiler water pipeline is connected with the upper part and the middle part of the gasifier after passing through the boiler water circulating pump. The gas-bag steam overheating treatment device can reduce the load of the thermoelectric boiler by improving the superheat degree, thereby reducing the consumption of fuel coal.

Inventors

• Lv Zhanshan
• KANG JING
• LIU QIWEI
• LIU JIANBANG

Assignees

• 福建永荣科技有限公司

Dates

Publication Date

20260508

Application Date

20250529

Claims (7)

1. 1. A gas-bag steam superheating treatment device is characterized by comprising a gasifier (1), first saturated steam (2), a boiler water pipeline (3), a boiler water circulating pump (4), a medium-pressure gas bag (5), a first steam vent (6), second saturated steam (7), second steam vent (8), a superheated steam pipe network (9), a synthesis tower (10), a steam superheater (11), a saturated steam from synthesis (12) and a saturated steam from conversion (13), The first saturated steam (2) is connected with the middle part of the gasification furnace (1); the upper part of the medium-pressure air bag (5) is connected with the first saturated steam (2); The boiler water pipeline (3) is connected with the lower part of the medium-pressure air bag (5); The boiler water pipeline (3) is connected with the upper part and the middle part of the gasification furnace (1) after passing through the boiler water circulating pump (4).
2. 2. A gas-bag steam superheating apparatus according to claim 1, characterized in that said first steam vent (6) is connected to the upper part of said medium-pressure gas bag (5); the second saturated steam (7) is connected with the upper part of the medium-pressure air bag (5).
3. 3. A gas-bag steam superheating apparatus according to claim 1, characterised in that the saturated steam is connected to the second saturated steam (7) from synthesis (12).
4. 4. A gas-bag steam superheating apparatus according to claim 1, characterized in that the saturated steam-from-shift (13) is connected to the saturated steam-from-synthesis (12).
5. 5. A gas-bag steam superheating apparatus according to claim 1, characterized in that the saturated steam is connected from the synthesis (12) to the lower part of the steam superheater (11).
6. 6. A gas-bag steam superheating apparatus according to claim 1, characterized in that the upper part of the steam superheater (11) is connected to the second steam vent (8); The upper part of the steam superheater (11) is connected with the superheated steam pipe removing network (9).
7. 7. A gas-bag steam superheating apparatus according to claim 1, characterized in that the upper part of the steam superheater (11) is connected to the synthesis column (10).

Description

Steam-bag steam overheat treatment device Technical Field The utility model relates to the technical field of synthetic ammonia, in particular to a gas-pocket steam superheating device. Background The synthetic ammonia is the main raw material of chemical fertilizer industry and basic organic chemical industry, when the synthetic ammonia is produced and processed, the raw material is needed to be gasified, the gasification procedure is to gasify raw material coal sent from a coal storage and transportation working section, coarse synthetic gas is provided for a conversion working section through gasification furnace gasification technology, water in a gasification furnace steam drum is pumped into a gasification furnace water-cooling wall coil pipe through a circulating water pump, water flowing in the coil pipe absorbs partial vaporization after gasification reaction heat in the gasification furnace, steam and water flow into a medium-pressure steam drum together, steam-liquid separation is carried out in the medium-pressure steam drum, and saturated steam is sent to a steam pipe network. The saturated vapor pressure of the gas bag at the present stage is 258 ℃, and the saturated vapor can only be reduced in pressure and sent to a 1.3 vapor pipe network, so that the saturated vapor can be used as reboiler for providing heat and cannot be used as power vapor, and the current 3.8 superheated vapor is insufficient, so that a circulating water pump of a gas turbine cannot be used. Disclosure of utility model The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, an object of the present utility model is to provide a steam-in-air superheating apparatus capable of reducing the load of a thermoelectric boiler by increasing the degree of superheating, thereby reducing the amount of fuel coal used. In order to achieve the aim, the first aspect of the utility model provides a steam-in-steam superheating treatment device for a gas bag, which comprises a gasifier, saturated steam, a boiler water pipeline, a boiler water circulating pump, a medium-pressure gas bag, steam emptying, saturated steam, steam emptying, superheated steam pipe network removal, a synthesis tower, a steam superheater, and saturated steam from synthesis and saturated steam from conversion, wherein the saturated steam is connected with the middle part of the gasifier, the upper part of the medium-pressure gas bag is connected with the saturated steam, the boiler water pipeline is connected with the lower part of the medium-pressure gas bag, and the boiler water pipeline is connected with the upper part and the middle part of the gasifier after passing through the boiler water circulating pump. In addition, the gas-bag steam superheating device provided by the utility model can also have the following additional technical characteristics: Specifically, the steam vent is connected with the upper part of the medium-pressure gas bag, and the saturated steam is connected with the upper part of the medium-pressure gas bag. Specifically, the saturated vapor is coupled to the saturated vapor from the synthesis. Specifically, the saturated vapor from the shift is coupled to the saturated vapor from the synthesis. Specifically, saturated vapor is from the synthesis and is connected to the lower portion of the vapor superheater. Specifically, the upper part of the steam superheater is connected with the steam emptying pipe network, and the upper part of the steam superheater is connected with the superheated steam pipe network. Specifically, the upper part of the steam superheater is connected with the synthesis tower. Compared with the prior art, the utility model has the following beneficial effects that the 4.5MPA saturated steam produced by the gasifier is heated to 390 ℃ by the superheater at the bottom of the synthesis tower, and is merged into the 3.8MPA steam pipe network after being heated to superheated steam by the saturated steam, so that the problem of insufficient production of the 3.8 superheated steam is solved. And improves the vapor quality and increases the vapor passing amount by 3.8 MPA. (the original design is to integrate the gas-bag steam into a 1.3 steam pipe network after the depressurization treatment), and meanwhile, 3.8 steam for power is added, and a turbine circulating water pump is used, so that the power consumption is saved, and the production cost is reduced. Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model. Drawings The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a schematic view s