CN207778551U - A kind of energy-saving multistage temperature heating system - Google Patents
A kind of energy-saving multistage temperature heating system Download PDFInfo
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- CN207778551U CN207778551U CN201721756910.8U CN201721756910U CN207778551U CN 207778551 U CN207778551 U CN 207778551U CN 201721756910 U CN201721756910 U CN 201721756910U CN 207778551 U CN207778551 U CN 207778551U
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Abstract
The utility model discloses a kind of energy-saving multistage temperature heating systems, it is related to a kind of heating system, the heating system includes heat source, first circulation system, second circulation system, third circulation system, cooling recirculation system, surge tank, equipment to be heated, circulating pump and the control system for controlling heating system, and equipment to be heated includes equipment a, equipment b to be heated and equipment c to be heated to be heated;Surge tank includes two sections of warm surge tanks and three sections of warm surge tanks, and return duct is connected between two sections of warm surge tanks and three sections of warm surge tanks;Circulating pump includes two sections of warm circulating pumps and three sections of warm circulating pumps;Cooling recirculation system includes two sections of warm surge tank coolant circulation pumps, three sections of warm surge tank coolant circulation pumps, two sections of warm surge tank coolers and three sections of warm surge tank coolers, solve the problems, such as that heating system is difficult to adapt to the different temperatures demand of vast heat user, energy conservation and environmental protection meets different temperatures needs.
Description
Technical field
The utility model is related to a kind of heating system, more particularly to a kind of energy-saving multistage temperature heating system.
Background technology
Heating system is that steam power plant provides steam or hot water to heating power user and recycles the equipment and factory's inner tube of its return water
The system, including heat source, heating network, user, hot-cast socket facility etc. of road connection.Heat source generally has:Steam power plant concentrates boiler
Room, low-temperature nuclear heat station, heat pump, underground heat, industrial exhaust heat, solar energy etc.;Heating network includes pyrogen to thermal substation and heating power
It stands to the pipeline and attachment composition between user;Hot-cast socket facility includes thermal substation and refrigeration plant;Heat user is by heating, living
And the heat user system that production hot systems form.
The prior art generally requires to be controlled into trip temperature according to heat user demand in heat supply, since different heat users just have
Different temperatures demand, therefore heating network is difficult often control, can not adapt to the different temperatures demand of vast heat user, and heat supply
When the coefficient of heat transfer it is relatively low, energy-output ratio is larger.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving multistage temperature heating system, which solve heating system it is difficult to
The problem of adapting to the different temperatures demand of vast heat user, energy conservation and environmental protection meet different heat user needs.
The above-mentioned technical purpose of the utility model technical scheme is that:
A kind of energy-saving multistage temperature heating system, including heat source, first circulation system, second circulation system, third are followed
Loop system, cooling recirculation system, surge tank, equipment to be heated, circulating pump and the control system for controlling heating system;
The equipment to be heated includes equipment a, equipment b to be heated and equipment c to be heated to be heated;The surge tank includes
Two sections of warm surge tanks and three sections of warm surge tanks are connected with reflux between described two sections warm surge tanks and three sections of warm surge tanks
Pipe;The circulating pump includes two sections of warm circulating pumps and three sections of warm circulating pumps;
The first circulation system includes high temperature break valve a, high temperature break valve b and high temperature break valve c, the high temperature cut-off
Valve a is connected between the heat source and the equipment a to be heated;The high temperature break valve b be connected to the equipment a to be heated and
Between described two sections warm surge tanks;The high temperature break valve c is connected between the heat source and two sections of warm surge tanks;
The second circulation system includes high temperature break valve d, high temperature break valve e and high temperature break valve f, the high temperature cut-off
Valve d is connected between described two sections warm surge tanks and two sections of warm circulating pumps;The high temperature break valve e is connected to described two sections
Between warm circulating pump and the equipment b to be heated;The high temperature break valve f is connected to the equipment b to be heated and three sections described
Between warm surge tank;
The third circulation system includes high temperature break valve g, high temperature break valve h and high temperature break valve i, the high temperature cut-off
Valve g is connected between described three sections warm surge tanks and three sections of warm circulating pumps;The high temperature break valve h is connected to described three sections
Between warm circulating pump and the equipment c to be heated;The high temperature break valve i is connected to the equipment c to be heated and three sections described
Between warm surge tank;
The cooling recirculation system includes two sections of warm surge tank coolant circulation pumps, three sections of warm surge tank coolant circulation pumps, two
The warm surge tank cooler of section, three sections of warm surge tank coolers, high temperature circulation shut-off valve a and high temperature circulation shut-off valve b, the high temperature
Cycle shut-off valve a is connected between described two sections warm surge tanks and two sections of warm surge tank coolant circulation pumps, two sections of temperature
Surge tank coolant circulation pump connect with described two sections warm surge tank coolers, described two sections warm surge tank coolers and described two sections
Warm surge tank connection;The high temperature circulation shut-off valve b is connected to described three sections warm surge tanks and three sections of warm surge tank coolings
Between circulating pump, described three sections warm surge tank coolant circulation pumps are connect with described three sections warm surge tank coolers, three sections of temperature
Surge tank cooler is connect with described three sections warm surge tanks.
Using the above structure, hot fluid flows through equipment a to be heated in heat source, enters two sections after being absorbed certain heat
Warm surge tank, the temperature in two sections of warm surge tanks forms the temperature difference with heat-conducting oil furnace output temperature at this time, then is back to heat-conducting oil furnace
It is heated, since equipment a to be heated is by heat-conducting oil furnace direct heating, temperature is higher.Two sections of warm circulating pumps are buffered from two sections of temperature
Hot fluid is extracted in tank, flows through equipment b to be heated, is flowed into three sections of warm surge tanks after absorption heat again, and return via return duct
Two sections of surge tanks are flow to, to achieve the effect that cycle, since equipment b to be heated is by two sections of warm surge tank heat supplies, moderate temperature.Three
The warm circulating pump of section extracts hot fluid from three sections of warm surge tanks, flows through equipment c to be heated and is flowed into three sections of temperature after absorption heat again
Surge tank forms pipeline cycle, and since equipment c to be heated is by three sections of warm surge tank heat supplies, temperature is relatively low.Two sections of warm surge tanks and
The temperature of three sections of warm surge tanks once be more than set temperature, control system will automatically turn on two sections of warm surge tank coolant circulation pumps,
Three sections of warm surge tank coolant circulation pumps, two sections of warm surge tank coolers and three sections of warm surge tank coolers are adjusted into trip temperature.It is logical
Segmentation set temperature is crossed, the different temperatures demand of heat user is met, temperature control is more accurate, and heat source can recycle, section
It can environmental protection.
Advanced optimize for:The control system is PLC operating systems, and the first circulation system and described second is followed
The setting temperature difference between loop system is more than 20 degrees Celsius, the setting between the second circulation system and the third circulation system
The temperature difference is more than 20 degrees Celsius.
Using the above structure, pass through PLC program so that temperature can set it is adjustable, and temperature control it is more accurate, operation
Simply, easy to use.
Advanced optimize for:The heat source is heat-conducting oil furnace.
Using the above structure, heat-conducting oil furnace has the characteristics that low pressure, high temperature, safe efficient energy saving.
Advanced optimize for:The first circulation system further includes high temperature break valve j, and the high temperature break valve j is connected to
Between the heat-conducting oil furnace and two sections of warm surge tanks.
Using the above structure, high temperature break valve j is by-passing valve can open height when equipment a to be heated need not be heated
Warm shut-off valve j, closes high temperature break valve a, high temperature break valve b, and the heat that heat-conducting oil furnace transports out will be stored directly in two
In the warm surge tank of section.
Advanced optimize for:The second circulation system further includes high temperature break valve k, and the high temperature break valve k is connected to
Between described two sections warm circulating pumps and the high temperature break valve f.
Using the above structure, high temperature break valve k is by-passing valve can open height when equipment b to be heated need not be heated
Warm shut-off valve k, closes high temperature break valve e, high temperature break valve f, and the heat that two sections of warm surge tanks transport out will be stored directly
In three sections of warm surge tanks.
Advanced optimize for:The third circulation system further includes high temperature break valve l, and the high temperature break valve l is connected to
Between described three sections warm circulating pumps and the high temperature break valve i.
Using the above structure, high temperature break valve l is by-passing valve can open height when equipment c to be heated need not be heated
Warm shut-off valve l, closes high temperature break valve h, high temperature break valve i, and the heat that three sections of warm surge tanks transport out will be returned to three sections
In warm surge tank.
Advanced optimize for:Two sections of warm pressure gauges are installed on the output end of described two sections warm circulating pumps.
Using the above structure, it is convenient for the pressure of the warm circulating pump of two sections of monitoring, improves the safety in utilization of two sections of warm circulating pumps.
Advanced optimize for:Three sections of warm pressure gauges are installed on the output end of described three sections warm circulating pumps.
Using the above structure, it is convenient for the pressure of the warm circulating pump of three sections of on-site supervision, improves the use peace of three sections of warm circulating pumps
Quan Xing.
Advanced optimize for:It is mounted on thermometer on described two sections warm surge tanks and three sections of warm surge tanks.
Using the above structure, the temperature being convenient in the warm surge tank of two sections of on-site supervision and three sections of warm surge tanks.
In conclusion the utility model has the advantages that:The output end temperature of heat-conducting oil furnace at 200 DEG C or so,
Conduction oil in heat-conducting oil furnace flows through equipment a to be heated, is absorbed and enters two sections of warm surge tanks after certain heat, and at this time two
Temperature in the warm surge tank of section forms the temperature difference with heat-conducting oil furnace output temperature, then is back to heat-conducting oil furnace and is heated, due to waiting for
For heating equipment a by heat-conducting oil furnace direct heating, temperature is higher, about 170-200 DEG C.Two sections of warm circulating pumps are from two sections of warm surge tanks
Middle extraction conduction oil flows through equipment b to be heated, is flowed into three sections of warm surge tanks after absorption heat again, and via overhead reflux pipe
Two sections of surge tanks are back to, to achieve the effect that cycle, since equipment b to be heated is by two sections of warm surge tank heat supplies, moderate temperature,
About 140-170 DEG C.Three sections of warm circulating pumps extract conduction oil from three sections of warm surge tanks, flow through equipment c to be heated and are absorbed heat
Three sections of warm surge tanks are flowed into after amount again and form pipelines cycle, since equipment c to be heated is by three sections of warm surge tank heat supplies, temperature compared with
It is low, about 100-140 DEG C.For the temperature of two sections of warm surge tanks and three sections of warm surge tanks once being more than set temperature, control system will
Automatically open two sections of warm surge tank coolant circulation pumps, three sections of warm surge tank coolant circulation pumps, two sections of warm surge tank coolers and three
The warm surge tank cooler of section is adjusted into trip temperature.Setting stepwise temperature is carried out by PLC, meets the different temperatures need of heat user
It asks, temperature control is more accurate, and heat source can recycle, energy conservation and environmental protection.
Description of the drawings
Fig. 1 is the flow diagram of embodiment.
In figure, 1, equipment a to be heated;2, equipment b to be heated;3, equipment c to be heated;11, high temperature break valve a;12, high temperature
Shut-off valve b;13, high temperature break valve j;14, high temperature break valve c;21, high temperature break valve d;22, high temperature break valve e;23, high temperature is cut
Only valve f;24, high temperature break valve k;31, high temperature break valve g;32, high temperature break valve h;33, high temperature break valve i;34, high temperature ends
Valve l;41, high temperature circulation shut-off valve a;51, high temperature circulation shut-off valve b;A, two sections of warm surge tanks;B, three sections of warm surge tanks;C, two
The warm surge tank coolant circulation pump of section;D, three sections of warm surge tank coolant circulation pumps;E, two sections of warm surge tank coolers;F, three sections of temperature are slow
Rush tank cooler;G, thermometer;H, return duct;I, two sections of warm circulating pumps;J, two sections of warm pressure gauges;K, three sections of warm circulating pumps;L、
Three sections of warm pressure gauges.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:A kind of energy-saving multistage temperature heating system, as shown in Figure 1, including heat-conducting oil furnace, first circulation system
System, second circulation system, third circulation system, cooling recirculation system, surge tank, equipment to be heated, circulating pump and for controlling
The control system of heating system.Control system is controlled using PLC, and set first circulation system and second circulation system it
Between the temperature difference be more than 20 degrees Celsius, between second circulation system and third circulation system the temperature difference be more than 20 degrees Celsius.Equipment to be heated
Including equipment a1 to be heated, equipment b2 to be heated and equipment c3 to be heated.Surge tank includes that two sections of temperature surge tank A and three sections of temperature are slow
It rushes on tank B, two sections of temperature surge tank A and three sections of warm surge tank B and is respectively and fixedly provided with thermometer G, tri- sections of temperature bufferings of two sections of warm surge tanks and A
Return duct H is equipped between tank B, the one end return duct H is connected at the top of two sections of warm surge tank A, and the other end is connected to three sections of temperature bufferings
At the top of tank B.Circulating pump includes two sections of temperature circulating pump I and three sections of warm circulating pump K.
Referring to Fig.1, first circulation system includes high temperature break valve a11, high temperature break valve b12, high temperature break valve c14 and height
Warm shut-off valve j13.High temperature break valve a11 is connected between heat-conducting oil furnace and equipment a1 to be heated;High temperature break valve b12 is connected to
Between equipment a1 to be heated and two sections of temperature bottoms surge tank A;High temperature break valve c is connected to heat-conducting oil furnace and two sections of warm surge tank A
Between bottom;High temperature break valve j13 is connected between heat-conducting oil furnace and two sections of warm surge tank A.
Referring to Fig.1, second circulation system includes high temperature break valve d21, high temperature break valve e22, high temperature break valve f23 and height
Warm shut-off valve k24.High temperature break valve d21 is connected between two sections of warm lower parts surge tank A and two sections of warm circulating pump I input terminals;It is high
Warm shut-off valve e22 is connected between two sections of warm circulating pump I output ends and equipment b2 to be heated;High temperature break valve f23, which is connected to, to be waited for
Between heating equipment b2 and three sections of temperature bottoms surge tank B;High temperature break valve k24 is connected to two sections of warm circulating pump I output ends and height
Between warm shut-off valve f23.
Referring to Fig.1, third circulation system includes high temperature break valve g31, high temperature break valve h32, high temperature break valve i33 and height
Warm shut-off valve l34.High temperature break valve g31 is connected between three sections of temperature buffering pot bottom A and three sections of warm circulating pump K input terminals;It is high
Warm shut-off valve h32 is connected between three sections of warm circulating pump K output ends and equipment c3 to be heated;High temperature break valve i33, which is connected to, to be waited for
Between at the top of heating equipment c3 and three sections of warm surge tank B, high temperature break valve l34 is connected to three sections of warm circulating pump K output ends and height
Between warm shut-off valve i33.
Referring to Fig.1, cooling recirculation system includes two sections of warm surge tank coolant circulation pump C, three sections of warm surge tank cooling cycles
Pump D, two sections of warm surge tank cooler E, three sections of warm surge tank cooler F, high temperature circulation shut-off valve a41 and high temperature circulation shut-off valve
b51.High temperature circulation shut-off valve a41 be connected to two sections of warm stage casings surge tank A and two sections of temperature surge tank coolant circulation pump C input terminals it
Between, the output end of two sections of warm surge tank coolant circulation pump C is connect with two sections of temperature surge tank cooler E, two sections of warm surge tank coolings
Device E carries out being connected to setting by pipeline with two sections of tops warm surge tank A.High temperature circulation shut-off valve b51 is connected to three sections of temperature bufferings
Between tank stage casing B and three sections of warm surge tank coolant circulation pump D input terminals, three sections of warm surge tank coolant circulation pump D output ends and three
The warm surge tank cooler F connections of section, three sections of temperature surge tank cooler F are connected to at the top of three sections of warm surge tank B by pipeline
Setting.
Operation principle:At 200 DEG C or so, the conduction oil in heat-conducting oil furnace flows through to be heated the output end temperature of heat-conducting oil furnace
Equipment a1 enters two sections of warm surge tank A after being absorbed certain heat, at this time the temperature in two sections of warm surge tank A and heat conduction
Oil oven output temperature forms the temperature difference, then is back to heat-conducting oil furnace and is heated, since equipment a1 to be heated is direct by heat-conducting oil furnace
Heat supply, temperature is higher, about 170-200 DEG C.
Two sections of temperature circulating pump I extract conduction oil from two sections of warm surge tank A, equipment b2 to be heated are flowed through, by absorption heat
It flows into three sections of warm surge tank B again afterwards, and two sections of surge tank A is back to via overhead reflux pipe H, to achieve the effect that cycle, by
In equipment b2 to be heated by two sections of warm surge tank A heat supplies, moderate temperature, about 140-170 DEG C.Three sections of temperature circulating pump K are from three sections
Conduction oil is extracted in warm surge tank B, equipment c3 to be heated is flowed through and is flowed into three sections of warm surge tank B formation pipelines after absorption heat again
Cycle, since equipment c3 to be heated is by three sections of warm surge tank B heat supplies, temperature is relatively low, about 100-140 DEG C.
Once being more than set temperature, control system will automatically turn on the temperature of two sections of temperature surge tank A and three sections of warm surge tank B
Two sections of warm surge tank coolant circulation pump C, three sections of warm surge tank coolant circulation pump D, two sections of temperature surge tank cooler E and three sections of temperature are slow
Tank cooler F is rushed to adjust into trip temperature.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of energy-saving multistage temperature heating system, it is characterized in that:Including heat source, first circulation system, second circulation system,
Third circulation system, cooling recirculation system, surge tank, equipment to be heated, circulating pump and the control system for controlling heating system
System;
The equipment to be heated includes equipment a (1), equipment b to be heated (2) and equipment c to be heated (3) to be heated;The buffering
Tank includes two sections of warm surge tanks (A) and three sections of warm surge tanks (B), described two sections warm surge tanks (A) and three sections of warm surge tanks
(B) return duct (H) is connected between;The circulating pump includes two sections of warm circulating pumps (I) and three sections of warm circulating pumps (K);
The first circulation system includes high temperature break valve a (11), high temperature break valve b (12) and high temperature break valve c (14), described
High temperature break valve a (11) is connected between the heat source and the equipment a (1) to be heated;High temperature break valve b (12) connection
Between the equipment a (1) to be heated and two sections of warm surge tanks (A);The high temperature break valve c (14) is connected to the heat
Between source and two sections of warm surge tanks (A);
The second circulation system includes high temperature break valve d (21), high temperature break valve e (22) and high temperature break valve f (23), described
High temperature break valve d (21) is connected between described two sections warm surge tanks (A) and two sections of warm circulating pumps (I);The high temperature is cut
Only valve e (22) is connected between described two sections warm circulating pumps (I) and the equipment b (2) to be heated;The high temperature break valve f
(23) it is connected between the equipment b (2) to be heated and three sections of warm surge tanks (B);
The third circulation system includes high temperature break valve g (31), high temperature break valve h (32) and high temperature break valve i (33), described
High temperature break valve g (31) is connected between described three sections warm surge tanks (B) and three sections of warm circulating pumps (K);The high temperature is cut
Only valve h (32) is connected between described three sections warm circulating pumps (K) and the equipment c (3) to be heated;The high temperature break valve i
(33) it is connected between the equipment c (3) to be heated and three sections of warm surge tanks (B);
The cooling recirculation system include two sections of warm surge tank coolant circulation pumps (C), three sections of warm surge tank coolant circulation pumps (D),
Two sections of warm surge tank coolers (E), three sections of warm surge tank coolers (F), high temperature circulation shut-off valve a (41) and high temperature circulation cut-off
Valve b (51), the high temperature circulation shut-off valve a (41) is connected to described two sections warm surge tanks (A) and two sections of warm surge tanks are cold
But between circulating pump (C), described two sections warm surge tank coolant circulation pumps (C) connect with described two sections warm surge tank coolers (E),
Described two sections warm surge tank coolers (E) connect with described two sections warm surge tanks (A);The high temperature circulation shut-off valve b (51) is even
It is connected between described three sections warm surge tanks (B) and three sections of warm surge tank coolant circulation pumps (D), described three sections warm surge tanks are cold
But circulating pump (D) is connect with described three sections warm surge tank coolers (F), described three sections warm surge tank coolers (F) and described three
The warm surge tank (B) of section connects.
2. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:The control system is
PLC operating systems, and the setting temperature difference between the first circulation system and the second circulation system is more than 20 degrees Celsius, institute
The setting temperature difference stated between second circulation system and the third circulation system is more than 20 degrees Celsius.
3. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:The heat source is conduction oil
Stove.
4. a kind of energy-saving multistage temperature heating system according to claim 3, it is characterized in that:The first circulation system
Further include (13) high temperature break valve j, the high temperature break valve j (13) is connected to the heat-conducting oil furnace and two sections of warm surge tanks
(A) between.
5. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:The second circulation system
Further include (24) high temperature break valve k, the high temperature break valve k (24) is connected to described two sections warm circulating pumps (I) and the high temperature
Between shut-off valve f (23).
6. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:The third circulation system
Further include (34) high temperature break valve l, the high temperature break valve l (34) is connected to described three sections warm circulating pumps (K) and the high temperature
Between shut-off valve i (33).
7. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:Described two sections warm circulating pumps
(I) two sections of warm pressure gauges (J) are installed on output end.
8. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:Described three sections warm circulating pumps
(K) three sections of warm pressure gauges (L) are installed on output end.
9. a kind of energy-saving multistage temperature heating system according to claim 1, it is characterized in that:Described two sections warm surge tanks
(A) and on three sections of warm surge tanks (B) it is mounted on thermometer (G).
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CN201721756910.8U CN207778551U (en) | 2017-12-15 | 2017-12-15 | A kind of energy-saving multistage temperature heating system |
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CN201721756910.8U CN207778551U (en) | 2017-12-15 | 2017-12-15 | A kind of energy-saving multistage temperature heating system |
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Family
ID=63226183
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2017
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