CN109696078B - Temperature control system and method for synthesis gas cooler - Google Patents

Temperature control system and method for synthesis gas cooler Download PDF

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Publication number
CN109696078B
CN109696078B CN201811590374.8A CN201811590374A CN109696078B CN 109696078 B CN109696078 B CN 109696078B CN 201811590374 A CN201811590374 A CN 201811590374A CN 109696078 B CN109696078 B CN 109696078B
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China
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control system
temperature
temperature control
synthesis gas
gas cooler
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CN109696078A (en
Inventor
霍鹏举
李晓宏
任烨
汪亚斌
张飞
权亚文
高伟
何淑梅
问王伟
白罡
陈金霞
杜若宇
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Shaanxi Yanchang Petroleum Group Co Ltd
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Shaanxi Yanchang Petroleum Group Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0075Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Abstract

The invention discloses a temperature control system of a synthetic gas cooler and a control method thereof, wherein a control system adopts a multi-control system mode, the stability and the limitation of the temperature in a single-control system mode are effectively improved, a double system is adopted to select different control systems to control the temperature of the synthetic gas cooler at different temperatures, and under different working conditions, the parallel connection of a first temperature control system and a second temperature control system is realized, so that the working load of the first temperature control system in the working process is reduced, the problem that the temperature of the synthetic gas cooler is overhigh due to poor heat exchange effect of the single system and the tripping of a gasification furnace is triggered is avoided, the stability and the reliability of the temperature control of the synthetic gas cooler can be effectively improved, a coal gasification device can run more safely and stably, and the unplanned shutdown of the device is reduced; the material recycling reduces the process cost and the workload.

Description

Temperature control system and method for synthesis gas cooler
Technical Field
The invention belongs to the technical field of coal chemical industry, and particularly relates to a temperature control system of a synthesis gas cooler and a control method thereof.
Background
The syngas is sent to a syngas cooler where it is cooled and sent to downstream process units. During the operation of the synthesis gas cooler, the process water and solid materials after heat exchange of the synthesis gas cooler can be recycled to maintain the temperature of the synthesis gas cooler. If the temperature of the synthesis gas cooler is too low, tar carried in the crude synthesis gas is separated out and is combined with solid materials in the synthesis gas cooler, so that solid discharge is not smooth, and the heat exchange effect is influenced; if the temperature of the synthesis gas cooler is too high, the gasifier is triggered to jump, and the normal temperature operation of the device is influenced. Therefore, temperature control of the syngas cooler is critical to safe, stable operation of the coal gasification plant.
In the prior art, most of the synthesis gas coolers adopt a single control system mode, the heat exchange effect is poor, the stability of the temperature control of the synthesis gas coolers is influenced, and once the temperature of the synthesis gas coolers cannot be controlled in the operation process of the synthesis gas coolers in the single control mode, the device is stopped; in addition, the existing synthesis gas cooler has the defects that the process water and solid materials after heat exchange cannot be recycled, so that the process cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a temperature control system of a synthesis gas cooler and a control method thereof, which can maintain the stability and reliability of the temperature of the cooler, reduce the unplanned shutdown of the device, recycle a heat exchange medium and reduce the operation cost.
In order to achieve the purpose, the invention adopts the technical scheme that:
a syngas cooler temperature control system includes a first temperature control system 2 and a second temperature control system 3 in parallel with a syngas cooler 1;
the first temperature control system 2 comprises a water storage tank, a liquid level indicator 10 and a pressure regulating valve 9 are connected with the water storage tank to monitor the water storage tank, a process water flow regulating valve 6 is installed on a process water incoming pipeline of the water storage tank, the process water flow regulating valve 6 and the liquid level indicator 10 are both connected with a liquid level controller 40, a water replenishing pipeline is arranged in the middle of the water storage tank, a water draining pipeline is arranged at the bottom of the water storage tank, a first temperature control system liquid level regulating valve I7 is installed on the water replenishing pipeline, and a first temperature control system liquid level regulating valve II 8 is installed on the water draining pipeline; a circulating water pipeline of a water storage tank of the first temperature control system 2 is connected with a tube side of the synthesis gas cooler 1, and a heat exchange medium is process water;
the second temperature control system 3 comprises a solid conveying pipeline, and a solid feeding module 31, a solid discharging module 32, a solid material feeding valve 11 and a solid material discharging valve 12 which are arranged on the solid conveying pipeline, the solid conveying pipeline of the second temperature control system 3 is connected with the shell side of the synthesis gas cooler 1, and the heat exchange medium is a solid material.
Further, the system of the present invention may further include a temperature indicator module communicatively connected to the upper monitor, wherein the temperature indicator module includes a first temperature indicator 17, a second temperature indicator 22, a third temperature indicator 23, and a fourth temperature indicator 24, which are sequentially connected to the syngas cooler 1 from top to bottom, wherein the first temperature indicator 17 monitors the upper temperature of the syngas cooler 1, the second temperature indicator 22 monitors the material inlet temperature of the syngas cooler 1, the third temperature indicator 23 monitors the material outlet temperature of the syngas cooler 1, and the fourth temperature indicator 24 monitors the cone temperature of the syngas cooler 1.
Furthermore, the system of the invention can also comprise a first differential pressure transmitter 25, a second differential pressure transmitter 26 and a third differential pressure transmitter 27 which are in communication connection with the upper monitor; the first differential pressure transmitter 25, the second differential pressure transmitter 26 and the third differential pressure transmitter 27 are sequentially connected with the material level operation module 14 and the material level indication module 15, the material level indication module 15 is in communication connection with an upper monitor, and the material level indication module 15 reads material level data after operation in the material level operation module 14 and uploads the material level data to the upper monitor at the same time. The first differential pressure transmitter 25 monitors the pressure difference between the upper part and the middle part of the synthesis gas cooler 1, the second differential pressure transmitter 26 monitors the pressure difference between the middle part and the lower part of the synthesis gas cooler 1, the third differential pressure transmitter 27 monitors the pressure difference between the lower part and the cone part of the synthesis gas cooler 1, and the material level operation module 14 operates the solid material level through the pressure difference data of the first differential pressure transmitter 25, the second differential pressure transmitter 26 and the third differential pressure transmitter 27.
The liquid level controller 40, the process water flow regulating valve 6 and the pressure regulating valve 9 are PID controllers.
And the first temperature control system liquid level regulating valve 7 and the second temperature control system liquid level regulating valve 8 of the first temperature control system 2 are side-in bottom-out or bottom-in side-out type multi-stage pressure reduction type angle valves.
The invention also provides a synthesis gas cooler temperature control method based on the synthesis gas cooler temperature control system of the claim 1, which is characterized in that:
when the temperature of the synthesis gas cooler 1 is lower than 100 ℃, closing the second temperature control system 3, adjusting the opening degrees of the process water flow regulating valve 6 and the pressure regulating valve 9 through the liquid level indicator 10, adjusting the temperature of the process water, sending the process water to the synthesis gas cooler from the first temperature control system for heat exchange, further controlling the temperature of the synthesis gas cooler 1, and returning the high-temperature steam after heat exchange to the first temperature control system;
when the temperature of the synthesis gas cooler 1 is higher than 100 ℃, a solid material feeding valve 11 is opened, a solid material discharging valve 12 is closed, solid materials are added into the synthesis gas cooler 1, meanwhile, a first temperature control system 2 and a second temperature control system 3 are opened, the temperature of the synthesis gas cooler 1 is controlled, and the solid materials discharged by the synthesis gas cooler return to a solid feeding module after passing through a solid discharging module and being cooled.
The upper monitoring machine DCS system is connected with the first temperature control system 2 and the second temperature control system 3, and the temperature of the synthesis gas cooler 1 is controlled through the upper monitoring machine DCS system.
Compared with the prior art, the invention has the beneficial effects that:
the temperature control system of the synthesis gas cooler adopts a multi-control system mode, the first temperature control system and the second temperature control system jointly regulate the temperature of the synthesis gas cooler, the stability and the limitation of the temperature in a single control system mode are effectively improved, the first temperature control system is connected with a tube pass of the synthesis gas cooler, a heat exchange medium is process water, the second temperature control system is connected with a shell pass of the synthesis gas cooler, and the heat exchange medium is a solid material; adopt dual system to choose for use different control system when different temperatures to carry out temperature control to synthetic gas cooler, under the operating mode of difference, realize that first temperature control system and second temperature control system are parallelly connected to be put into use to alleviateed the work load of first temperature control system in the working process, avoided single system heat transfer effect not good the condition that synthetic gas cooler temperature is too high to appear, trigger the problem that the gasifier jumps.
Meanwhile, the synthetic gas cooling system is high in temperature regulation capacity, and the stability and reliability of temperature control of the synthetic gas cooling system can be effectively improved, so that the coal gasification device can run more safely and stably, and the unplanned shutdown of the device is reduced. In addition, the material is recycled, so that the process cost is reduced, and the workload is reduced.
Furthermore, the temperature control system of the synthesis gas cooler also comprises a temperature indicating module which is in communication connection with an upper monitoring machine, so that the internal temperature condition of the synthesis gas cooler can be conveniently monitored; the temperature control system of the synthetic gas cooler further comprises a pressure difference transmitter in communication connection with an upper monitor, and a material level operation module connected with the pressure difference transmitter, so that the condition of the solid material level in the synthetic gas cooler can be monitored conveniently.
According to the temperature control method of the synthesis gas cooler, when the temperature of the synthesis gas cooler is lower than 100 ℃, the temperature of the synthesis gas cooler is controlled by the first temperature control system, so that the moisture of solid materials in a shell pass is prevented from being condensed, and the phenomenon that solid discharging is unsmooth and the heat exchange effect is influenced due to the combination of the solid materials in the synthesis gas cooler and the solid materials is avoided; when the temperature of the synthesis gas cooler is higher than 100 ℃, the first temperature control system and the second temperature control system simultaneously control the temperature of the synthesis gas cooler, the problem that the temperature of the synthesis gas cooler is too high due to poor heat exchange effect of a single system and the problem that the gasification furnace is triggered to jump is avoided, the temperature control stability and reliability of the synthesis gas cooler are improved, solid materials and process water are in a cyclic utilization mode, and the operation cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a control system according to the present invention.
In the figure: 1-a synthesis gas cooler, 2-a first temperature control system, 3-a second temperature control system, 6-a process water flow regulating valve, 7-a first temperature control system liquid level regulating valve I, 8-a first temperature control system liquid level regulating valve II, 9-a pressure regulating valve, 10-a liquid level indicator, 11-a solid material feeding valve, 12-a solid material discharging valve, 14-a liquid level operation module, 15-a liquid level indication module, 17-a temperature indicator I, 22-a temperature indicator II, 23-a temperature indicator III, 24-a temperature indicator IV, 25-a pressure difference transmitter I, 26-a pressure difference transmitter II, 27-a pressure difference transmitter III, 31-a solid feeding module, 32-a solid discharging module and 40-a liquid level controller.
Detailed Description
The invention is described in further detail below with reference to the figures and the examples, but without limiting the invention.
As shown in FIG. 1, the syngas cooler temperature control system in the present embodiment includes a first temperature control system 2 and a second temperature control system 3, the first temperature control system 2 and the second temperature control system 3 being connected in parallel across the syngas cooler 1 for regulating the temperature of the syngas cooler 1.
The first temperature control system 2 comprises a water storage tank, a liquid level indicator 10, a process water flow regulating valve 6, a first temperature control system liquid level regulating valve 7, a first temperature control system liquid level regulating valve II 8, a pressure regulating valve 9 and a liquid level controller 40. Liquid level indicator 10, pressure regulating valve 9 link to each other with the water storage tank and monitor the water storage tank, and technology water flow control valve 6 is installed on water storage tank technology water incoming line, and technology water flow control valve 6 and liquid level indicator 10 are connected with liquid level controller 40, and the water storage tank middle part sets up moisturizing pipeline, the bottom sets up the outlet conduit line, and the first temperature control system liquid level control valve 7 of installation is gone up to the moisturizing pipeline, and the first temperature control system liquid level control valve two 8 of installation is gone up to the outlet conduit line.
A circulating water pipeline of a water storage tank of the first temperature control system 2 is connected with a tube pass of the synthesis gas cooler, and a heat exchange medium is process water; after entering the tube pass of the synthesis gas cooler 1, the process water exchanges heat with high-temperature synthesis gas, and water and steam after heat exchange return to the first temperature control system 2. The process water flow regulating valve 6, the first temperature control system liquid level regulating valve 7 and the first temperature control system liquid level regulating valve 8 maintain the liquid level and the temperature of the first temperature control system 2, and the pressure regulating valve 9 controls the pressure of the first temperature control system 2.
When the temperature of the synthesis gas cooler is lower than 100 ℃, the condensation of the moisture in the solid material in the shell pass is prevented, the heat exchange of the solid material added into the synthesis gas cooler cannot be carried out, and the temperature of the synthesis gas cooler is controlled by adjusting the first temperature control system 2.
The second temperature control system 3 comprises a solid conveying pipeline, and a solid feeding module 31 and a solid discharging module 32 which are arranged on the solid conveying pipeline, wherein a solid material feeding valve 11 and a solid material discharging valve 12 are also arranged on the solid conveying pipeline, the solid conveying pipeline of the second temperature control system 3 is connected with the shell side of the synthesis gas cooler 1, and a heat exchange medium is a solid material; the first temperature control system 2 and the second temperature control system 3 simultaneously control the temperature of the syngas cooler 1 when the syngas cooler temperature is above 100 ℃.
In order to facilitate monitoring of syngas cooler internal temperature conditions, the syngas cooler temperature control system also includes a temperature indication module communicatively coupled to the upper monitor. The temperature indication module comprises a first temperature indicator 17, a second temperature indicator 22, a third temperature indicator 23 and a fourth temperature indicator 24 which are sequentially connected with the synthesis gas cooler 1 from top to bottom.
In order to monitor the solid material level condition in the synthesis gas cooler conveniently, the temperature control system of the synthesis gas cooler further comprises a first differential pressure transmitter 25, a second differential pressure transmitter 26 and a third differential pressure transmitter 27 which are in communication connection with an upper monitor, wherein the first differential pressure transmitter 25, the second differential pressure transmitter 26 and the third differential pressure transmitter 27 are connected with the material level operation module 14 and are in communication connection with the upper monitor, the material level indication module 15 reads material level data after operation in the material level operation module 14 and uploads the material level data to the upper monitor simultaneously, and then a worker can obtain the real-time material level condition in the synthesis gas cooler 1 from the upper monitor. The opening states of the solid feeding module 31 and the solid discharging module 32 are judged according to the real-time material level and temperature conditions.
The liquid level controller 40 in the first temperature control system 2 is a PID controller.
The first temperature control system liquid level regulating valve 7 and the second temperature control system liquid level regulating valve 8 of the first temperature control system 2 are side-in bottom-out or bottom-in side-out type multi-stage pressure reduction type angle valves, and the process water flow regulating valve 6 and the pressure regulating valve 9 are PID controllers.
During start-up of syngas cooler 1, the temperature within syngas cooler 1 is a gradual increase in temperature that takes some time to reach the temperature of standard operation. And a second temperature indicator 22 confirms whether solid material is added to the synthesis gas cooler 1, and if the second temperature indicator 22 shows that the temperature exceeds 100 ℃, solid material feeding is carried out on the synthesis gas cooler 1, the solid material feeding valve 11 is opened, the solid material discharging valve 12 is in a closed state, and primary solid material feeding is finished. The operator closely observes the temperature indicators one 17 and three 23 as they change and determines whether to activate the solids loading module 31 based on the temperature change.
When the temperature indicator I17 and the temperature indicator III 23 of the synthesis gas cooler 1 are higher than the set values and the level indicator 15 is high, the solid material discharging module 32 is started, the solid material discharging valve 12 is opened, and the solid material feeding valve 11 is in a closed state. When the level indicator 15 high alarm is removed, the solid material discharge valve 12 is closed and the solid discharge module 32 is stopped. And secondly, starting the solid feeding module 31, exchanging heat of the synthesis gas cooler 1 by using cold materials, reducing the temperature, and monitoring the temperature change condition by workers.
A method of controlling a syngas cooler temperature control system:
the temperature of syngas cooler 1 is regulated by first temperature control system 2 when the temperature of syngas cooler 1 is below 100 ℃, and first temperature control system 2 and second temperature control system 3 simultaneously temperature control syngas cooler 1 when the temperature of syngas cooler 1 is above 100 ℃.
The first temperature control system 2 adjusts the opening degrees of the process water flow regulating valve 6 and the pressure regulating valve 9 through the liquid level indicator 10, adjusts the temperature of the process water, and further controls the heat exchange effect of the synthesis gas cooler 1. The second temperature control system 3 controls the heat exchange effect of the syngas cooler 1 through the solids feed module 31 and the solids discharge module 32.
When the solid material is required to be added by the synthesis gas cooler, the solid material feeding valve 11 is opened, and the solid material discharging valve 12 is in a closed state. When the syngas cooler needs to discharge the solid material, the solid material discharge valve 12 is opened and the solid material feed valve 11 is in a closed state. The solid material discharged from the syngas cooler is passed through a solids discharge module and cooled before being returned to the solids feed module.
And the process water is sent to the synthesis gas cooler for heat exchange by the first temperature control system, and the high-temperature steam after heat exchange returns to the first temperature control system.
When the temperature indicator I17 and the temperature indicator III 23 of the synthesis gas cooler 1 are higher than the set values, the opening degrees of a first temperature control system liquid level regulating valve I7 and a first temperature control system liquid level regulating valve II 8 in the first temperature control system 2 are regulated to control the liquid discharge flow, and the first liquid level controller 10 controls the opening degree of a process water flow regulating valve 6 to control the flow of the process water.
In the process, the monitoring personnel can complete the manual operation of the material level and the liquid level information displayed on the upper computer. The above process can also control the first temperature control system 2 and the second temperature control system 3 through the upper monitoring machine DCS system, thereby realizing the temperature control of the syngas cooler 1.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (7)

1. A syngas cooler temperature control system, comprising a first temperature control system (2) and a second temperature control system (3) in parallel with a syngas cooler (1);
the first temperature control system (2) comprises a water storage tank, a liquid level indicator (10) and a pressure regulating valve (9) are connected with the water storage tank to monitor the water storage tank, a process water flow regulating valve (6) is installed on a process water incoming pipeline of the water storage tank, the process water flow regulating valve (6) and the liquid level indicator (10) are both connected with a liquid level controller (40), a water replenishing pipeline is arranged in the middle of the water storage tank, a water drainage pipeline is arranged at the bottom of the water storage tank, a first temperature control system liquid level regulating valve (7) is installed on the water replenishing pipeline, and a first temperature control system liquid level regulating valve (8) is installed on the water drainage pipeline; a water storage tank circulating water pipeline of the first temperature control system (2) is connected with a tube pass of the synthesis gas cooler (1), and a heat exchange medium is process water;
the second temperature control system (3) comprises a solid conveying pipeline, and a solid feeding module (31), a solid discharging module (32), a solid material feeding valve (11) and a solid material discharging valve (12) which are arranged on the solid conveying pipeline, the solid conveying pipeline of the second temperature control system (3) is connected with the shell side of the synthesis gas cooler (1), and a heat exchange medium is a solid material.
2. A syngas cooler temperature control system in accordance with claim 1 further comprising a temperature indicator module communicatively coupled to said upper monitor, said temperature indicator module comprising a first temperature indicator (17), a second temperature indicator (22), a third temperature indicator (23), and a fourth temperature indicator (24) coupled in sequence from top to bottom to syngas cooler (1), wherein the first temperature indicator (17) monitors an upper temperature of the syngas cooler (1), the second temperature indicator (22) monitors a material inlet temperature of the syngas cooler (1), the third temperature indicator (23) monitors a material outlet temperature of the syngas cooler (1), and the fourth temperature indicator (24) monitors a cone temperature of the syngas cooler (1).
3. A syngas cooler temperature control system in accordance with claim 1 further comprising a first differential pressure transmitter (25), a second differential pressure transmitter (26), and a third differential pressure transmitter (27) communicatively coupled to said upper monitor; the differential pressure transmitter I (25), the differential pressure transmitter II (26) and the differential pressure transmitter III (27) are sequentially connected with the material level operation module (14) and the material level indication module (15), the material level indication module (15) is in communication connection with an upper monitor, the material level indication module (15) reads material level data after operation in the material level operation module (14) and simultaneously uploads the material level data to the upper monitor, the solid material level calculation module (14) calculates the solid material level through differential pressure data of the first differential pressure transmitter (25), the second differential pressure transmitter (26) and the third differential pressure transmitter (27).
4. A syngas cooler temperature control system in accordance with claim 1 wherein said level controller (40) is a PID controller.
5. A syngas cooler temperature control system in accordance with claim 1 characterized in that the first temperature control system level adjustment valve one (7) and the first temperature control system level adjustment valve two (8) of said first temperature control system (2) are side-in bottom-out or bottom-in side-out multi-stage pressure reducing angle valves.
6. A syngas cooler temperature control method based on the syngas cooler temperature control system of claim 1, characterized by:
when the temperature of the synthesis gas cooler (1) is lower than 100 ℃, closing the second temperature control system (3), adjusting the opening degrees of the process water flow regulating valve (6) and the pressure regulating valve (9) through the liquid level indicator (10), adjusting the temperature of the process water, sending the process water to the synthesis gas cooler from the first temperature control system for heat exchange, further controlling the temperature of the synthesis gas cooler (1), and returning the high-temperature steam after heat exchange to the first temperature control system;
when the temperature of the synthesis gas cooler (1) is higher than 100 ℃, a solid material feeding valve (11) is opened, a solid material discharging valve (12) is closed, solid materials are added into the synthesis gas cooler (1), a first temperature control system (2) and a second temperature control system (3) are opened at the same time, the temperature of the synthesis gas cooler (1) is controlled, and the solid materials discharged by the synthesis gas cooler return to a solid feeding module after passing through a solid discharging module and being cooled.
7. A method for temperature control of a syngas cooler according to claim 6, characterized in that an upper supervisory DCS system is connected to the first temperature control system (2) and the second temperature control system (3), the temperature of the syngas cooler (1) being controlled by the upper supervisory DCS system.
CN201811590374.8A 2018-12-25 2018-12-25 Temperature control system and method for synthesis gas cooler Active CN109696078B (en)

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NL8501514A (en) * 1985-05-28 1986-12-16 Dow Chemical Nederland TRANSMISSION PIPE HEAT EXCHANGER.
DE3643801A1 (en) * 1986-12-20 1988-07-07 Borsig Gmbh METHOD AND DEVICE FOR COOLING FUSE GAS
JPH086970B2 (en) * 1992-03-31 1996-01-29 工業技術院長 Wide-area heat transport, heat utilization, heat recovery method and device using decomposition and synthesis reaction of methanol
CN1203936A (en) * 1997-04-08 1999-01-06 曼-古特霍夫农舒特股份公司 Synthetic gas producer with combustion chamber and cooling chamber
US7871449B2 (en) * 2006-01-31 2011-01-18 Linde Process Plants, Inc. Process and apparatus for synthesis gas heat exchange system
US9404054B2 (en) * 2013-12-20 2016-08-02 General Electric Company Tubular radiant syngas cooler

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