CN208042266U - A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating - Google Patents
A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating Download PDFInfo
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- CN208042266U CN208042266U CN201721812610.7U CN201721812610U CN208042266U CN 208042266 U CN208042266 U CN 208042266U CN 201721812610 U CN201721812610 U CN 201721812610U CN 208042266 U CN208042266 U CN 208042266U
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Abstract
The utility model is related to the hot water closed circulation systems that a kind of primary cooler epimere high-temperature-hot-water is used for heating, it include the closed circulation system being made of primary cooler, heating water supply line, heating user, heating water return pipeline and hot water circulating pump, the high-temperature-hot-water outlet of primary cooler epimere connects the hot water inflow entrance of heating user by heating water supply line, the hot water outflux of heating user connects the low-temperature water heating entrance of primary cooler epimere by heating water return pipeline, and hot water circulating pump is set on heating water return pipeline；It is additionally provided with expansion tank on heating water return pipeline, relief valve is set at the top of expansion tank, top sets compressed nitrogen entrance, and compressed nitrogen entrance connects external compression Nitrogen source gases by nitrogen pipeline, nitrogen pressure regulator valve is set on nitrogen pipeline；Expansion tank sets liquid level gauge one.The utility model can avoid cycle water loss and losses of potential energy caused by primary cooler epimere high-temperature-hot-water open type cycle, while the problem of avoid water loss and pressure instability common during closed cycle.
Description
Technical field
The utility model is related to coking industry technical field of energy saving and environmental protection more particularly to a kind of primary cooler epimere high-temperature-hot-waters
Closed circulation system for heating.
Background technology
During the coke-oven gas that reclaiming clean coking industry generates, about 80~84 DEG C of the waste coal from gas collecting tube
Gas must be cooled to 20~22 DEG C in primary cooler.Primary cooler generally uses the indirect primary cooler of transverse tube, with industrial circulating water and low
Warm water carries out sub-sectional cooling to raw coke oven gas.When the plant area of heating in need or when needing the user of high-temperature-hot-water, primary cooler can be adopted
With epimere, stage casing, hypomere three-stage structure, the temperature that wherein epimere circulating hot water goes out primary cooler disclosure satisfy that up to 75~78 DEG C
Heating requires.The waste heat of raw coke oven gas can not only be recycled by generating required high-temperature-hot-water using primary cooler epimere, while can
It reduces raw coke oven gas and cools down required industrial cycle water, be an important energy conservation and environmental protection of coking industry gas purification recycling field
Measure.
The cycle of coking industry primary cooler epimere high-temperature-hot-water generally uses open circuit to design at present, and hot water potential energy does not have
It is fully used, hot water circuit process is in direct contact with air, and there are hot water volatilization losses and oxygen to enter hot-water heating system
The problem of etching apparatus and pipeline.
The Chinese patent of Patent No. CN101398263A discloses " a kind of for heating and the coke oven of bathing hot water
High-temperature-hot-water is used for heating and bathing water by raw gas three-segment cooling method ", but it only illustrates function, is not returned to waste heat
It receives the process utilized and does system, detailed elaboration, lack Substantial technical content.
The Chinese patent of Patent No. CN201611133U discloses a kind of " heating system for coke-oven plant region ", by primary cooler
Epimere high-temperature-hot-water is used for heat source, and is aided with other equipment, forms heating system, but it is for key related with heating system
Details does not describe, and the information provided is not enough to define a system.
The Chinese patent of Patent No. CN205842824U discloses a kind of " coke-oven plant's primary cooler heating water waste heat recovery
Utilize device ", it is recycled using the open type with heating pond, the disadvantage is that primary cooler epimere high-temperature-hot-water finally will be into
Enter to plow open the circulating water pool of formula, and need powerful water pump that recirculated water is fed again into primary cooler epimere, during this
The volatilization loss of recirculated water is had, and needs to consume a large amount of electric energy to make recirculated water obtain nearly 40 meters of potential energy again.
Invention content
The utility model provides the closed circulation system that a kind of primary cooler epimere high-temperature-hot-water is used for heating, using enclosed
The circulatory system can avoid cycle water loss and losses of potential energy caused by primary cooler epimere high-temperature-hot-water open type cycle, together
When pipeline is automatically replenished by setting and is passed through the expansion tank of compressed gas, avoid common water damage during closed cycle
Become estranged pressure instability the problem of, realize energy-efficient target when heat recovery.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating, including by primary cooler, heating feed pipe
The closed circulation system that road, heating user, heating water return pipeline and hot water circulating pump form, the high warm of the primary cooler epimere
Water out connects the hot water inflow entrance of heating user by heating water supply line, and the hot water outflux of heating user is returned by heating
Waterpipe connects the low-temperature water heating entrance of primary cooler epimere, and hot water circulating pump is set on heating water return pipeline；On heating water return pipeline
It is additionally provided with expansion tank, relief valve is set at the top of expansion tank, top sets compressed nitrogen entrance, and compressed nitrogen entrance passes through nitrogen
Pipeline connects external compression Nitrogen source gases, and nitrogen pressure regulator valve is set on nitrogen pipeline；Expansion tank is additionally provided with liquid level gauge one.
One end of heating water return pipeline connection moisturizing pipeline between the hot water circulating pump and expansion tank, moisturizing pipeline
The other end set soft water entrance, stop valve, water supply tank and small pump are equipped in the moisturizing pipeline in soft water entrance downstream successively；Its
In, small pump and one interlocked control of liquid level gauge on expansion tank；Liquid level gauge two is set on water supply tank, liquid level gauge two joins with stop valve
Lock control.
Compared with prior art, the utility model has the beneficial effects that：
1) a kind of proper closed circulation system is used to compare with existing open-cycle system：It can avoid
Water caused by open environment (such as intercycle slot, cooling tower, circulating water pool) is lost；Oxygen is avoided to enter hot-water heating system to equipment
With the corrosion of pipeline；Reduce the mechanical power loss of water, as long as the power of hot water circulating pump can overcome the pipeline in cyclic process
Resistance has saved a large amount of electric energy；
2) expansion tank is set on heating water return pipeline, volume expansion caused by after being heated for absorption cycle water is kept away
Exempt from that circulating water line is caused to impact；Pressure in expansion tank is maintained using compressed nitrogen, expansion tank is avoided to be placed in
Circulation line top and caused by it is inconvenient.
Description of the drawings
Fig. 1 is a kind of structure of the primary cooler epimere high-temperature-hot-water described in the utility model for the closed circulation system of heating
Schematic diagram.
In figure：1. 5. relief valve of primary cooler 2. heating user, 3. hot water circulating pump, 4. expansion tank, 6. nitrogen pressure regulation
11. heating water return pipeline of valve 7. small pump, 8. water supply tank, 9. stop valve, 10. heating water supply line, 12. moisturizing pipeline 13.
One 14. liquid level gauge two of liquid level gauge
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of primary cooler epimere high-temperature-hot-water described in the utility model is used for the closed circulation system of heating,
It include the enclosed being made of primary cooler 1, heating water supply line 10, heating user 2, heating water return pipeline 11 and hot water circulating pump 3
The circulatory system, the high-temperature-hot-water outlet of 1 epimere of the primary cooler connect the hot water of heating user 2 by heating water supply line 10
Inflow entrance, the hot water outflux of heating user 2 connect the low-temperature water heating entrance of 1 epimere of primary cooler by heating water return pipeline 11,
Hot water circulating pump 3 is set on heating water return pipeline 11；Expansion tank 4, the top of expansion tank 4 are additionally provided on heating water return pipeline 11
If relief valve 5, top sets compressed nitrogen entrance, and compressed nitrogen entrance connects external compression Nitrogen source gases, nitrogen by nitrogen pipeline
Nitrogen pressure regulator valve 6 is set in feed channel；Expansion tank 4 is additionally provided with liquid level gauge 1.
Heating water return pipeline 11 between the hot water circulating pump 3 and expansion tank 4 connects one end of moisturizing pipeline 12, mends
The other end of waterpipe 12 sets soft water entrance, and stop valve 9, water supply tank 8 are equipped with successively in the moisturizing pipeline 12 in soft water entrance downstream
With small pump 7；Wherein, small pump 7 and one 13 interlocked control of liquid level gauge on expansion tank 4；Liquid level gauge two is set on water supply tank 8
14, liquid level gauge 2 14 and 9 interlocked control of stop valve.
As shown in Figure 1, a kind of primary cooler epimere high-temperature-hot-water described in the utility model is used for the closed circulation system of heating
In, high-temperature-hot-water is in the heating water supply line 10 and heating water return pipeline by both primary cooler 1, heating user 2, and connection
The 11 closed circulation system internal circulation flows formed will not pressure release without open environment.
Hot water circulating pump 3 is provided on heating water return pipeline 11, effect is for the high warm in closed circulation system
Water provides energy to overcome pipe resistance, due to not having pressure release in closed circulation system high temperature hot water, need not repeat continuous
Ground obtains potential energy can save electric energy so the hot water circulating pump 3 using smaller power can be met the requirements.
Expansion tank 4 is provided on heating water return pipeline 11, for absorption cycle water it is heated caused by volume expansion,
Protect entire circulation line.
The compressed nitrogen being passed through on expansion tank 4 after the adjustment of nitrogen pressure regulator valve 6 keeps having in closed circulation system
Stablize suitable pressure.Relief valve 5 is set on expansion tank 4, for protecting closed cycle system when nitrogen pressure regulator valve 6 fails
Pressure is unlikely to excessively high in system.
Maintain pressure, expansion tank 4 that can be mounted on easy to operation due to being passed through compressed nitrogen on expansion tank 4
Lower, rather than the peak of entire closed circulation system.
Liquid level gauge 1 is provided in expansion tank 4, for monitoring simultaneously interlocked control small pump 7, when entire enclosed is followed
Loop system can interlock due to leakage or other reasons and when water shortage and open small pump 7, by moisturizing pipeline 12 to closed cycle
Soft water is supplemented in system.
The entrance of small pump 7 is connected to by pipeline with water supply tank 8, and water supply tank 8 is provided with liquid level gauge 2 14, for monitoring simultaneously
Interlocked control stop valve 9 can interlock when water level is too low in water supply tank 8 and open the water filling into water supply tank 8 of stop valve 9, until
Water level is restored to setting value.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (2)
1. a kind of primary cooler epimere high-temperature-hot-water be used for heating closed circulation system, which is characterized in that including by primary cooler, adopt
The closed circulation system that warm water supply line, heating user, heating water return pipeline and hot water circulating pump form, the primary cooler epimere
High-temperature-hot-water outlet the hot water inflow entrance of heating user is connected by heating water supply line, the hot water outflux of heating user is logical
The low-temperature water heating entrance of heating water return pipeline connection primary cooler epimere is crossed, hot water circulating pump is set on heating water return pipeline；Heating is returned
It is additionally provided with expansion tank on waterpipe, relief valve is set at the top of expansion tank, top sets compressed nitrogen entrance, compressed nitrogen entrance
External compression Nitrogen source gases are connected by nitrogen pipeline, nitrogen pressure regulator valve is set on nitrogen pipeline；Expansion tank is additionally provided with liquid level gauge
One.
2. a kind of primary cooler epimere high-temperature-hot-water according to claim 1 is used for the closed circulation system of heating, feature
It is, one end of the heating water return pipeline connection moisturizing pipeline between the hot water circulating pump and expansion tank, moisturizing pipeline
The other end sets soft water entrance, and stop valve, water supply tank and small pump are equipped with successively in the moisturizing pipeline in soft water entrance downstream；Wherein,
Small pump and one interlocked control of liquid level gauge on expansion tank；Liquid level gauge two is set on water supply tank, liquid level gauge two is interlocked with stop valve
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812610.7U CN208042266U (en) | 2017-12-22 | 2017-12-22 | A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812610.7U CN208042266U (en) | 2017-12-22 | 2017-12-22 | A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating |
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| Publication Number | Publication Date |
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| CN208042266U true CN208042266U (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940535A (en) * | 2017-12-22 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating |
-
2017
- 2017-12-22 CN CN201721812610.7U patent/CN208042266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940535A (en) * | 2017-12-22 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of primary cooler epimere high-temperature-hot-water is used for the closed circulation system of heating |
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