CN205351459U - Blast furnace slag water direct -furnish heating plant - Google Patents
Blast furnace slag water direct -furnish heating plant Download PDFInfo
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- CN205351459U CN205351459U CN201620073199.5U CN201620073199U CN205351459U CN 205351459 U CN205351459 U CN 205351459U CN 201620073199 U CN201620073199 U CN 201620073199U CN 205351459 U CN205351459 U CN 205351459U
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Abstract
The utility model provides a blast furnace slag water direct -furnish heating plant, including the heat supply water pump, the mechanism is preheated in the moisturizing, heating user radiator, heating delivery pipe, moisturizing pipeline, pulp water pond, heating water -return pipe and moisturizing pump, the heating delivery pipe connects gradually pulp water pond, heat supply water pump and heating user radiator, and heating water -return pipe connects heating user radiator delivery port, the moisturizing pipeline connects gradually the moisturizing water source, the heating delivery pipe of mechanism, moisturizing pump and heat supply pump inlet side is preheated in the moisturizing. The device makes through the moisturizing and is less than the easy scale deposit ion solubility towards the pulp water heating return water temperature under towards the easy scale deposit ion concentration of pulp water to avoid the ion to appear the production scale deposit, simultaneously, can make full use of dash pulp water, energy saving towards the waste heat of pulp water and the heating after.
Description
Technical field
This utility model belongs to blast furnace slag quenching water heat recovery technology field, is specifically related to a kind of blast furnace slag quenching water direct-furnish heating plant.
Background technology
At metallurgy industry, blast furnace slag quenching water is used for heating.But owing to blast furnace slag quenching water containing the ion of more easy fouling, and it is in dissolubility saturation more, when after heating radiator heat exchange, owing to washing slag water temperature reduces, the dissolubility of ion reduces, and a lot of ions can precipitate out formation dirt from water, it is easy to blocking pipeline and heat exchanger, heating effect is caused to be deteriorated, even heating system paralysis.Additionally due to the steam produced in flushing cinder process and grain slag take away substantial amounts of water, therefore the Slag-water system that needs to liquidate in flushing cinder system operation supplements substantial amounts of water, current water supplementing method is for directly to fill into cinder-flushing water pipe, namely with the direct flushing cinder of moisturizing, causes energy waste.
Utility model content
The purpose of this utility model is that after overcoming existing washing slag water to enter heating radiator heat exchange, easily scale-forming ion dissolubility reduces precipitation, blocking pipeline and heat exchanger, the problem affecting heating effect.
For this, this utility model provides a kind of blast furnace slag quenching water direct-furnish heating plant, including heat supply water pump, moisturizing preheating mechanism, heating user's radiator, heating feed pipe, moisturizing pipeline, pulp water pond, heating return pipe and small pump；Described heating feed pipe is sequentially connected with pulp water pond, heat supply water pump and heating user's radiator, and heating return pipe connects heating user's radiator outlet；Described moisturizing pipeline is sequentially connected with the heating feed pipe of moisturizing water source, moisturizing preheating mechanism, small pump and supplying hot water pump intake side.
Further, above-mentioned moisturizing preheating mechanism is moisturizing preheating heat exchanger, and the hot fluid import of this moisturizing preheating heat exchanger connects pulp water pond by preheating water pipe, and the hot fluid outlet ports of moisturizing preheating heat exchanger is connected on heating return pipe by preheating water pump.
Preferably, this blast furnace slag quenching water direct-furnish heating plant also includes hydrotreater and water pump, hydrotreater and water pump and passes sequentially through water pipe and be connected between heating return pipe and moisturizing pipeline.
Further, before above-mentioned hydrotreater and water pump are connected to moisturizing preheating mechanism.
Further, it is provided with valve between above-mentioned hydrotreater and water pump.
Further, the heating feed pipe between above-mentioned heat supply water pump with heating user's radiator is connected ionometer.
Further, the moisturizing pipeline between above-mentioned small pump and heating feed pipe is provided with flow control valve.
The beneficial effects of the utility model:
(1) this blast furnace slag quenching water direct-furnish heating plant that this utility model provides is before washing slag water is used for heating, washing slag water system water supplement pipe bigger for the water yield is accessed, make the easy scale-forming ion concentration of washing slag water lower than the easy scale-forming ion dissolubility under washing slag water heating return water temperature by moisturizing, make washing slag water after heating heat-exchange actuator temperature reduces, ion precipitates out without from water, it is to avoid the generation of fouling.
(2) this blast furnace slag quenching water direct-furnish heating plant that this utility model provides adopts the waste heat of washing slag water that moisturizing is preheated, and meanwhile, the washing slag water after heating recycles and carries out moisturizing, saves the energy, saves cost.
(3) this blast furnace slag quenching water direct-furnish heating plant simple in construction that this utility model provides, easy to operate, has a good application prospect.
Below with reference to accompanying drawing, this utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model blast furnace slag quenching water direct-furnish heating plant.
Description of reference numerals: 1, heat supply water pump；2, moisturizing preheating mechanism；3, preheating water pump；4, heating user radiator；5, heating feed pipe；6, moisturizing pipeline；7, pulp water pond；8, preheating water pipe；9, hydrotreater；10, water pump；11, valve；12, heating return pipe；13, small pump.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, present embodiments provide a kind of blast furnace slag quenching water direct-furnish heating plant, including heat supply water pump 1, moisturizing preheating mechanism 2, heating user's radiator 4, heating feed pipe 5, moisturizing pipeline 6, pulp water pond 7, heating return pipe 12 and small pump 13；Described heating feed pipe 5 is sequentially connected with pulp water pond 7, heat supply water pump 1 and heating user's radiator 4, and heating return pipe 12 connects heating user's radiator 4 outlet；Described moisturizing pipeline 6 is sequentially connected with the heating feed pipe 5 of moisturizing water source, moisturizing preheating mechanism 2, small pump 13 and heat supply water pump 1 entrance side.
Refine above-mentioned embodiment, described moisturizing preheating mechanism 2 is moisturizing preheating heat exchanger, the hot fluid import of this moisturizing preheating heat exchanger connects pulp water pond 7 by preheating water pipe 8, and the hot fluid outlet ports of moisturizing preheating heat exchanger is connected on heating return pipe 12 by preheating water pump 3.
The work process of this blast furnace slag quenching water direct-furnish heating plant is as follows:
Washing slag water after blast furnace slag flushing enters in pulp water pond 7, preheating water pump 3 enters, from the washing slag water of extraction heat in pulp water pond 7, the moisturizing entered in moisturizing preheating heat exchanger and from moisturizing pipeline 6 by preheating water pipe 8 and carries out heat exchange, make full use of the waste heat of washing slag water, heat to moisturizing without extra thermal source, making full use of the energy, washing slag water temperature enters in heating return pipe 12 after reducing；Meanwhile, the washing slag water of the heat in pulp water pond 7 is evacuated in heating user's radiator 4 by heating feed pipe 5 by heat supply water pump 1, and washing slag water water temperature enters in heating return pipe 12 after reducing, and the water in heating return pipe 12 eventually enters into flushing cinder pipeline and carries out blast furnace slag flushing.And moisturizing pipeline 6 is connected with moisturizing water source, the moisturizing mending water source supply enters in moisturizing preheating heat exchanger by moisturizing pipeline 6, the moisturizing slag water temperature that liquidates is avoided to cause fluctuation, moisturizing need to first pass through preheating, moisturizing temperature enters in heating feed pipe 5 through small pump 13 pressurization after raising, the concentration of easy scale-forming ion in dilution heating feed pipe 5, make the easy scale-forming ion concentration entering the washing slag water in heating user's radiator 4 lower than the easy scale-forming ion dissolubility under heating return water temperature, thus being prevented effectively from elemental release after washing slag water temperature reduces to produce fouling.
The embodiment optimized, in order to accurate guarantee makes the easy scale-forming ion concentration of washing slag water lower than the easy scale-forming ion dissolubility under washing slag water heating return water temperature by moisturizing more, heating feed pipe 5 between described heat supply water pump 1 with heating user's radiator 4 is connected ionometer, is detected the easy scale-forming ion concentration of the washing slag water entered in heating user's radiator 4 by ionometer in real time；Simultaneously, moisturizing pipeline 6 between described small pump 13 and heating feed pipe 5 is provided with flow control valve, the size of the easy scale-forming ion concentration according to ionometer detection, by flow-control valve regulation rate of water make-up, thus realizing controlling in real time the easy scale-forming ion concentration purpose lower than the easy scale-forming ion dissolubility under washing slag water heating return water temperature of washing slag water.
Additionally, when moisturizing water source rate of water make-up deficiency, this blast furnace slag quenching water direct-furnish heating plant may also include hydrotreater 9 and water pump 10, hydrotreater 9 and water pump 10 pass sequentially through water pipe and are connected between heating return pipe 12 and moisturizing pipeline 6, more refine ground, before hydrotreater 9 and water pump 10 are connected to moisturizing preheating mechanism 2；Water in heating return pipe 12 processes after the concentration reducing easy scale-forming ion through hydrotreater 9, enter after pressurizeing then through water pump 10 in filling pipe road 6, mix with the water at moisturizing water source, and this pipeline be turned on and off by between described hydrotreater 9 and water pump 10 arrange valve 11 control, enter the mixed water of moisturizing pipeline 6 then enter in heating feed pipe 5 then through moisturizing preheating heat exchanger and small pump 13.Washing slag water after heating recycles and carries out moisturizing, saves the energy, saves cost.
In sum, this blast furnace slag quenching water direct-furnish heating plant that this utility model provides can make full use of blast furnace slag flushing waste heat, by washing slag water direct heating, reduces energy waste, and energy-saving effect is notable.
Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, every belongs within protection domain of the present utility model with the same or analogous design of this utility model.
Claims (7)
1. a blast furnace slag quenching water direct-furnish heating plant, it is characterized in that: include heat supply water pump (1), moisturizing preheating mechanism (2), heating user's radiator (4), heating feed pipe (5), moisturizing pipeline (6), pulp water pond (7), heating return pipe (12) and small pump (13)；
Described heating feed pipe (5) is sequentially connected with pulp water pond (7), heat supply water pump (1) and heating user's radiator (4), and heating return pipe (12) connects heating user's radiator (4) outlet；
Described moisturizing pipeline (6) is sequentially connected with the heating feed pipe (5) of moisturizing water source, moisturizing preheating mechanism (2), small pump (13) and heat supply water pump (1) entrance side.
2. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 1, it is characterized in that: described moisturizing preheating mechanism (2) is moisturizing preheating heat exchanger, the hot fluid import of this moisturizing preheating heat exchanger connects pulp water pond (7) by preheating water pipe (8), and the hot fluid outlet ports of moisturizing preheating heat exchanger is connected on heating return pipe (12) by preheating water pump (3).
3. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 1 or 2, it is characterized in that: also include hydrotreater (9) and water pump (10), hydrotreater (9) and water pump (10) and pass sequentially through water pipe and be connected between heating return pipe (12) and moisturizing pipeline (6).
4. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 3, it is characterised in that: before described hydrotreater (9) and water pump (10) are connected to moisturizing preheating mechanism (2).
5. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 3, it is characterised in that: it is provided with valve (11) between described hydrotreater (9) and water pump (10).
6. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 1 or 2, it is characterised in that: the heating feed pipe (5) between described heat supply water pump (1) and heating user's radiator (4) is connected ionometer.
7. blast furnace slag quenching water direct-furnish heating plant as claimed in claim 6, it is characterised in that: the moisturizing pipeline (6) between described small pump (13) and heating feed pipe (5) is provided with flow control valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073199.5U CN205351459U (en) | 2016-01-26 | 2016-01-26 | Blast furnace slag water direct -furnish heating plant |
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| CN201620073199.5U CN205351459U (en) | 2016-01-26 | 2016-01-26 | Blast furnace slag water direct -furnish heating plant |
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| CN205351459U true CN205351459U (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509123A (en) * | 2016-01-26 | 2016-04-20 | 中冶南方工程技术有限公司 | Heating device using direct supply of blast furnace slag washing water |
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2016
- 2016-01-26 CN CN201620073199.5U patent/CN205351459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509123A (en) * | 2016-01-26 | 2016-04-20 | 中冶南方工程技术有限公司 | Heating device using direct supply of blast furnace slag washing water |
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