CN105036079B - A kind of system and method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect - Google Patents
A kind of system and method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect Download PDFInfo
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- CN105036079B CN105036079B CN201510325319.6A CN201510325319A CN105036079B CN 105036079 B CN105036079 B CN 105036079B CN 201510325319 A CN201510325319 A CN 201510325319A CN 105036079 B CN105036079 B CN 105036079B
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Abstract
The present invention relates to a kind of system and method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect, water in first water pot is after heat exchanger heat exchange, enter synthetic furnace recirculated water section lower end, then by synthetic furnace recirculated water section upper end outlet backwater to the first water pot；Hot water in the middle part of synthetic furnace recirculated water section enters in the second water pot, and the hot water in the second water pot, under the pressurization of the first water pump, returns synthetic furnace, produces low-pressure steam.Water in second water pot in the present invention is derived from the stage casing of synthetic furnace recirculated water, and temperature is higher, and hot water enters synthetic furnace under the pressure of the first water pump and produces steam, is effectively utilized the heat in recirculated water, saves extra heating expense.Original water for industrial use is replaced using pure water in the present invention, because the amount of calcic, magnesium ion and silt in pure water is little, no fouling and clogging phenomenon, improve the service life of equipment, and then greatly reduce accident hazard coefficient, decrease the installation and maintenance expense of equipment.
Description
Technical field
The invention belongs to chlor-alkali field is and in particular to a kind of byproduct steam HCl synthetic furnace graphite block heat transfer effect of improving
System and method.
Background technology
Chlor-alkali industry at home, the commonly used circulation of byproduct steam graphitic synthetic furnace burning zone graphite block of synthesising hydrogen
Water heat exchange, contains silt in recirculated water and calcium ions and magnesium ions is many, easily causes the blocking of heat exchange eyelet and the fouling of furnace base graphite block
Serious grade is endangered, and causes the high heat that chlorine hydrogen burning is released not distribute, makes the base temperature of synthetic furnace higher.Due to graphite block
Operating index is harsh, and the base temperature of synthetic furnace is higher to lead to graphite block explosion and the resin of graphite block surface impregnation to take off
Fall.
Graphite block explosion causes recirculated water to enter in a large number in stove, causes stove to explode, if operative employee's reaction is slow, can be serious
Crossing chlorine causes chloroethylene synthesizing converter to explode, and for chlor-alkali, producer brings about great losses.
Content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provides one kind to improve byproduct steam HCl synthesis hearthstone
The system and method for ink stick heat transfer effect.
In order to solve above technical problem, the technical scheme is that：
A kind of system improving byproduct steam HCl synthetic furnace graphite block heat transfer effect, including the first water pot, heat-exchanger rig,
Synthetic furnace and the second water pot, wherein, the outlet of described first water pot is entered by the lower end of heat exchanger and synthetic furnace recirculated water section
Mouthful connect, the upper end outlet of synthetic furnace recirculated water section is connected with the entrance of the first water pot, the middle part of synthetic furnace recirculated water section and the
Two water pot connections, the second water pot is communicated with the lower end of synthetic furnace steam jacket by the first water pump, and the hot water in the second water pot leads to
Cross described first water pump pressurization, synthetic furnace produces steam.
Preferably, described first water pot passes through the first regulating valve supplement water level.
Preferably, pass through the second water pump between described first water pump and heat-exchanger rig to connect.
Preferably, it is provided with the second regulating valve between described synthetic furnace and the second water pump.
A kind of method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect, comprises the steps：In first water pot
Water after heat exchanger heat exchange, enter synthetic furnace recirculated water section lower end, then by synthetic furnace recirculated water section on bring out
Mouth backwater is to the first water pot；Hot water in the middle part of synthetic furnace recirculated water section enters in the second water pot, and the hot water in the second water pot exists
Under the pressurization of the first water pump, return synthetic furnace, produce low-pressure steam.
Preferably, temperature after heat exchanger heat exchange for the water in described first water pot is 25-35 DEG C.
Preferably, the flow that the water in described first water pot enters synthetic furnace is 45-55m3/h.
Preferably, the pressure of described first water pump is 0.3-0.4MPa.
Preferably, the flow that the hot water in described second water pot enters in synthetic furnace is 20-25m3/h.
Preferably, the pressure of described low-pressure steam is 0.23-0.260MPa.
Preferably, described water is through RO membrane filtration purified treatment.
The Advantageous Effects of the present invention are：
1st, the water in the second water pot in the present invention is derived from the stage casing of synthetic furnace recirculated water, and chlorine, hydrogen are in synthetic furnace
Chemosynthesis reaction releases big calorimetric, and pure water water temperature after furnace bottom and middle part heat exchange is significantly raised, and hot water is in the first water pump
Pressure under enter synthetic furnace produce steam, be effectively utilized the heat in recirculated water, save extra heating expense.
2nd, replace original water for industrial use using pure water in the present invention, due to calcic, magnesium ion and silt in pure water
Amount is little, and no fouling and clogging phenomenon improves the service life of equipment, and then greatly reduces accident hazard coefficient, decreases
The installation and maintenance expense of equipment.
3rd, the application is not only effectively utilized the heat of recirculated water, also effectively increases quantity of steam, without the former pure water of change
Water supply line bore and water supply pump capacity, need not carry out big improvement to process pipe, greatly save expense.
Brief description
Fig. 1 is the structural representation of the present invention.
Wherein, the 1, first water pot, 2, heat exchanger, 3, synthetic furnace, the 4, second water pot.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of system improving byproduct steam HCl synthetic furnace graphite block heat transfer effect, including the first water pot
1st, heat exchanger 2, synthetic furnace 3 and the second water pot 4, wherein, the outlet of described first water pot 1 is followed with synthetic furnace 3 by heat exchanger 2
The lower inlet of ring water section connects, and the upper end outlet of synthetic furnace 3 recirculated water section is connected with the entrance of the first water pot 1, and synthetic furnace 3 follows
The middle part of ring water section is connected with the second water pot 4, and the second water pot 4 is communicated with the steam jacket lower end of synthetic furnace 3 by the first water pump,
Hot water in second water pot 4 passes through described first water pump pressurization, produces steam in synthetic furnace 3.
First water pot 1 passes through the first regulating valve and supplements water level, passes through the second water pump even between the first water pump and heat exchanger 2
Connect, between synthetic furnace 3 and the second water pump, be provided with the second regulating valve.
Embodiment 1
After heat exchanger 2 heat exchange, temperature is 34 DEG C to pure water in first water pot 1, enters under the recirculated water section of synthetic furnace 3
End, the flow of water is 45m3/ h, then by synthetic furnace 3 recirculated water section upper end outlet backwater to the first water pot 1；Synthetic furnace
Hot water in the middle part of 3 recirculated water sections enters in the second water pot 4, and the temperature of hot water is 50 DEG C, and the hot water in the second water pot 4 is in the first water
Under the pressurization of pump, the pressure of the first water pump is 0.34MPa, returns synthetic furnace 3, and hot water flow is 23m3/ h, produces low pressure
Steam, the pressure of steam is 0.23-0.26MPa.
It is back to cooling tower cooling, heat wastes after former recirculated water heat exchange, compared with good utilisation heat after transformation, separate unit stove
Byproduct steam total amount increase about 0.55 ton hour, 6 synthetic furnaces altogether, are roughly equal to the benefit that the quantity of steam of annual increase produces：
0.55 ton hour × 8000 hour × 150 yuan/ton × 6=3,960,000 yuan.
After synthetic furnace pure water has been transformed, equipment loss and maintenance and installation expense for synthetic furnace reduce 1,000,000 yuan, and
Greatly reduce accident hazard coefficient it is ensured that the safety of operator, safety coefficient increases.
Embodiment 2
After heat exchanger 2 heat exchange, temperature is 27 DEG C to pure water in first water pot 1, enters under the recirculated water section of synthetic furnace 3
End, the flow of water is 50m3/ h, then by synthetic furnace 3 recirculated water section upper end outlet backwater to the first water pot 1；Synthetic furnace
Hot water in the middle part of 3 recirculated water sections enters in the second water pot 4, and the temperature of hot water is 45 DEG C, and the hot water in the second water pot 4 is in the first water
Under the pressurization of pump, the pressure of the first water pump is 0.36MPa, returns synthetic furnace 3, and hot water flow is 22m3/ h, produces low pressure
Steam, the pressure of steam is 0.23-0.260MPa.
It is back to cooling tower cooling, heat wastes after former recirculated water heat exchange, compared with good utilisation heat after transformation, separate unit stove
Byproduct steam total amount increase about 0.5 ton hour, 6 synthetic furnaces altogether, are roughly equal to the benefit that the quantity of steam of annual increase produces：
0.5 ton hour × 8000 hour × 150 yuan/ton × 6=3,600,000 yuan.
After synthetic furnace pure water has been transformed, equipment loss and maintenance and installation expense for synthetic furnace reduce 1,000,000 yuan, and
Greatly reduce accident hazard coefficient it is ensured that the safety of operator, safety coefficient increases.
Embodiment 3
After heat exchanger 2 heat exchange, temperature is 30 DEG C to pure water in first water pot 1, enters under the recirculated water section of synthetic furnace 3
End, the flow of water is 45m3/ h, then by synthetic furnace 3 recirculated water section upper end outlet backwater to the first water pot 1；Synthetic furnace
Hot water in the middle part of 3 recirculated water sections enters in the second water pot 4, and the temperature of hot water is 50 DEG C, and the hot water in the second water pot 4 is in the first water
Under the pressurization of pump, the pressure of the first water pump is 0.37MPa, returns synthetic furnace 3, and hot water flow is 25m3/ h, produces low pressure
Steam, the pressure of steam is 0.230.260MPa.
It is back to cooling tower cooling, heat wastes after former recirculated water heat exchange, compared with good utilisation heat after transformation, separate unit stove
Byproduct steam total amount increase about 0.6 ton hour, 6 synthetic furnaces altogether, are roughly equal to the benefit that the quantity of steam of annual increase produces：
0.6 ton hour × 8000 hour × 150 yuan/ton × 6=4,320,000 yuan.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to invention protection domain
Restriction, one of ordinary skill in the art should be understood that, on the basis of technical scheme, those skilled in the art are not required to
The various modifications that creative work to be paid can be made or deformation are still within the scope of the present invention.
Claims (10)
1. a kind of system improving byproduct steam HCl synthetic furnace graphite block heat transfer effect it is characterised in that：Including the first water pot,
Heat-exchanger rig, synthetic furnace and the second water pot, wherein, heat exchanger and synthetic furnace recirculated water section are passed through in the outlet of described first water pot
Lower inlet connect, the upper end outlet of synthetic furnace recirculated water section is connected with the entrance of the first water pot, synthetic furnace recirculated water section
Middle part is connected with the second water pot, and the second water pot is communicated with the lower end of synthetic furnace steam jacket by the first water pump, in the second water pot
Hot water pass through described first water pump pressurization, in synthetic furnace produce steam.
2. system according to claim 1 it is characterised in that：Described first water pot passes through the first regulating valve and supplements water level.
3. system according to claim 1 it is characterised in that：Pass through the second water between described first water pump and heat-exchanger rig
Pump connects.
4. system according to claim 1 it is characterised in that：It is provided with the second tune between described synthetic furnace and the second water pump
Section valve.
5. a kind of method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect it is characterised in that：Comprise the steps：
Water in first water pot, after heat exchanger heat exchange, enters the lower end of the recirculated water section of synthetic furnace, then by the recirculated water of synthetic furnace
The upper end outlet backwater of section is to the first water pot；Hot water in the middle part of synthetic furnace recirculated water section enters in the second water pot, the second water pot
In hot water under the pressurization of the first water pump, return synthetic furnace, produce low-pressure steam.
6. method according to claim 5 it is characterised in that：Temperature after heat exchanger heat exchange for the water in described first water pot
Spend for 25-35 DEG C.
7. method according to claim 6 it is characterised in that：The flow that water in described first water pot enters synthetic furnace is
45-55m3/h.
8. method according to claim 5 it is characterised in that：The pressure of described first water pump is 0.3-0.4MPa.
9. method according to claim 5 it is characterised in that：The pressure of described low-pressure steam is 0.23-0.260MPa.
10. method according to claim 5 it is characterised in that：Described water is through RO membrane filtration purified treatment.
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| CN201510325319.6A CN105036079B (en) | 2015-06-12 | 2015-06-12 | A kind of system and method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect |
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| CN201510325319.6A CN105036079B (en) | 2015-06-12 | 2015-06-12 | A kind of system and method improving byproduct steam HCl synthetic furnace graphite block heat transfer effect |
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| CN105036079A CN105036079A (en) | 2015-11-11 |
| CN105036079B true CN105036079B (en) | 2017-03-08 |
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| CN110589769B (en) * | 2019-09-17 | 2021-04-23 | 德州实华化工有限公司 | Automatic chlorine-hydrogen ratio control method and system for hydrogen chloride synthesis furnace and synthesis furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663372A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Combined integrated graphite hydrogen chloride synthetic furnace |
| CN104645790A (en) * | 2015-02-10 | 2015-05-27 | 成都阿斯特克国龙环保工程有限公司 | Smoke purification system and method for pickling line |
| CN104654874A (en) * | 2015-02-10 | 2015-05-27 | 成都阿斯特克国龙环保工程有限公司 | Acid and acid regeneration unit waste gas residual heat recovery and waste gas processing system and method |
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2015
- 2015-06-12 CN CN201510325319.6A patent/CN105036079B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663372A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Combined integrated graphite hydrogen chloride synthetic furnace |
| CN104645790A (en) * | 2015-02-10 | 2015-05-27 | 成都阿斯特克国龙环保工程有限公司 | Smoke purification system and method for pickling line |
| CN104654874A (en) * | 2015-02-10 | 2015-05-27 | 成都阿斯特克国龙环保工程有限公司 | Acid and acid regeneration unit waste gas residual heat recovery and waste gas processing system and method |
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