CN104359141A - Electric heating co-production heat supply system - Google Patents
Electric heating co-production heat supply system Download PDFInfo
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- CN104359141A CN104359141A CN201410629910.6A CN201410629910A CN104359141A CN 104359141 A CN104359141 A CN 104359141A CN 201410629910 A CN201410629910 A CN 201410629910A CN 104359141 A CN104359141 A CN 104359141A
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- air chamber
- check valve
- pipeline
- high pressure
- pressure gas
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The invention discloses an electric heating co-production heat supply system, which comprises melting gas chambers; the melting gas chambers are communicated with a high-pressure pressure relief device; the high-pressure pressure relief device comprises a bursting diaphragm, a partition baffle and an outer baffle; the bursting diaphragm, the partition baffle and the outer baffle are arranged from bottom to top in sequence; the outer baffle is fixedly arranged on a shell of the high-pressure pressure relief device through bolts; an exhaust clearance is formed between the outer baffle and the shell of the high-pressure pressure relief device; gas in each melting gas chamber is hermetically isolated from the outside by the bursting diaphragm; the middle part of the bursting diaphragm is provided with a friction plugging block; the friction plugging block can fly out from the bursting diaphragm to enable the bursting diaphragm to become a hollow communicating piece; the outer baffle is arranged at the upper part of the friction plugging block; each melting gas chamber is connected with a cold water pool and a hot water pool; the cold water pools are communicated with a cold water source; the hot water pools are communicated with a boiler. The electric heating co-production heat supply system disclosed by the invention has the advantages that hot steam can be reasonably distributed, the pressure of each melting gas chamber is prevented from being overhigh, safety is ensured, the energy is saved, and the environment is protected.
Description
Technical field
The present invention relates to the technical field of heating power supply, particularly relate to electric heating coproduction heating system.
Background technology
Along with the rise of energy prices, power plants generating electricity cost rises year by year, and electricity price is adjusted by country, power plant's profit significantly declines, enterprise is in order to extricate oneself from a predicament, by to Transformation of Unit, implement cogeneration of heat and power, plannedly close down the arcola that coal consumption is large, efficiency is low, environmental protection is poor, little thermoelectricity, and for pure condensate unit, carry out the transformation of cogeneration of heat and power, improve steam service efficiency to greatest extent, improving the overall business efficiency of power plant, and energy-conserving and environment-protective, is that under present circumstances, enterprise of power plant extricates oneself from a predicament, seeks the only way of survival and development.
Summary of the invention
Technical problem to be solved by this invention is for the above-mentioned state of the art, and provides a kind of reasonable distribution heat steam, prevents from melting the intelligent heat supply device that air chamber pressure is too high, ensure safety, energy-conserving and environment-protective.
The present invention solves the problems of the technologies described above adopted technical scheme:
There is the intelligent heat supply device of pressure regulation decompression function, comprise the high pressure gas apotheca be communicated with successively that pure condensate formula turbo-generator group is provided with, in to calm the anger apotheca and low pressure gas apotheca, the air inlet of high pressure gas apotheca connects boiler, gas outlet by high pressure gas to middle depressor pipeline with in the calm the anger air inlet of apotheca be connected, in calm the anger to calm the anger during the gas outlet of apotheca is passed through to the air inlet of low-voltage device pipeline with low pressure gas apotheca and be connected, the gas outlet of low pressure gas apotheca connects low pressure gas pipeline, high pressure gas to middle depressor pipeline by the first check valve with melt air chamber and be connected, in calm the anger to low-voltage device pipeline by the second check valve with melt air chamber and be connected, low pressure gas pipeline by the 3rd check valve with melt air chamber and be connected, melt the pressure gauge that air chamber is connected with and can measures and melt gas room pressure and can the thermometer melting gas indoor temperature be measured, first check valve, second check valve, 3rd check valve, pressure gauge and thermometer are all connected with control chip, control chip can regulate the first check valve according to the pressure and temperature of pressure gauge and thermometer display, the opening and closing of the second check valve and the 3rd check valve, melt air chamber and be connected with output channel, the quantity of melting air chamber is several, melt air chamber and be communicated with high pressure relief device, high pressure relief device includes bursting diaphragm and outer baffle, be provided with exhaust clearance between the housing of outer baffle and high pressure relief device, the gas melted in air chamber and extraneous sealing completely cut off by bursting diaphragm, are provided with friction sprue in the middle part of bursting diaphragm, friction sprue under high pressure can fly out and make to become hollow connectedness from bursting diaphragm from bursting diaphragm, and outer baffle is located at the top of friction sprue, each air chamber that melts all is connected with water cooling pond and hot-tub, and water cooling pond is communicated with cold water source, and hot-tub is communicated with boiler.
For optimizing technique scheme, the concrete measure taked also comprises:
Above-mentioned each melt air chamber all by the first respective check valve, the second check valve, the 3rd check valve respectively with high pressure gas to middle depressor pipeline, in calm the anger to low-voltage device pipeline and low pressure gas pipeline connection, each air chamber that melts all is connected with control chip.
The first above-mentioned check valve allows air-flow to melt air chamber from high pressure gas to the middle depressor pipeline flow direction, and the second check valve permission air-flow is therefrom calmed the anger to the low-voltage device pipeline flow direction and melted air chamber, and the 3rd check valve permission air-flow flows to from low pressure gas pipeline and melts air chamber.
Above-mentioned high pressure gas to middle depressor pipeline, in calm the anger the corrugated expansion joint be provided with to low-voltage device pipeline and low pressure gas pipeline for the contracting of equalizing main heat expansion.
Above-mentioned output channel is provided with the flowmeter for recording flow.
Above-mentioned boiler is connected by the air inlet of steam chamber with high pressure gas apotheca.
Gas seal ring is provided with between the housing of above-mentioned bursting diaphragm and high pressure relief device.
Compared with prior art, the intelligent heat supply device with pressure regulation decompression function of the present invention, comprise the high pressure gas apotheca be communicated with successively that pure condensate formula turbo-generator group is provided with, in to calm the anger apotheca and low pressure gas apotheca, the air inlet of high pressure gas apotheca connects boiler, gas outlet by high pressure gas to middle depressor pipeline with in the calm the anger air inlet of apotheca be connected, in calm the anger to calm the anger during the gas outlet of apotheca is passed through to the air inlet of low-voltage device pipeline with low pressure gas apotheca and be connected, the gas outlet of low pressure gas apotheca connects low pressure gas pipeline, high pressure gas to middle depressor pipeline by the first check valve with melt air chamber and be connected, in calm the anger to low-voltage device pipeline by the second check valve with melt air chamber and be connected, low pressure gas pipeline by the 3rd check valve with melt air chamber and be connected, melt the pressure gauge that air chamber is connected with and can measures and melt gas room pressure and can the thermometer melting gas indoor temperature be measured, first check valve, second check valve, 3rd check valve, pressure gauge and thermometer are all connected with control chip, control chip can regulate the first check valve according to the pressure and temperature of pressure gauge and thermometer display, the opening and closing of the second check valve and the 3rd check valve, melt air chamber and be connected with output channel, the quantity of melting air chamber is several, melt air chamber and be communicated with high pressure relief device, high pressure relief device includes bursting diaphragm and outer baffle, be provided with exhaust clearance between the housing of outer baffle and high pressure relief device, the gas melted in air chamber and extraneous sealing completely cut off by bursting diaphragm, are provided with friction sprue in the middle part of bursting diaphragm, friction sprue under high pressure can fly out and make to become hollow connectedness from bursting diaphragm from bursting diaphragm, and outer baffle is located at the top of friction sprue, each air chamber that melts all is connected with water cooling pond and hot-tub, and water cooling pond is communicated with cold water source, and hot-tub is communicated with boiler.Pure condensate unit generation be high pressure height heat steam successively by high pressure gas apotheca, in calm the anger apotheca, low pressure gas apotheca be electric energy by the thermal energy of steam, enter solidifying device of air from low pressure gas apotheca steam out.The steam of these generatings also can be used for user's heat supply.But, needing client's distance of heat supply to have closely has far, closely client can use the steam of low-temp low-pressure, and remote client then needs by high pressure high temperature vapor to compensate the loss in transportation, and some client needs to customize high-temperature vapour especially because of cause specific.Under the requirement that these are numerous, how distributing high-temperature gas needs to carry out careful plan, and obtain an optimum scheme, realize the balance of air feed and generating, income is the highest.The present invention efficiently solves this problem.
By high pressure gas to middle depressor pipeline, in calm the anger to low-voltage device pipeline and low pressure gas pipeline draw a pipeline, steam in three pipelines has different pressure and temperatures, each pipeline is provided with check valve, and the opening and closing of each check valve is controlled by control chip.When installing supply air line, first calculate the pressure and temperature of the steam that this supply air line is confessed, then typing control chip, the steam of different temperatures and pressure is introduced and is melted air chamber and mix by the opening degree of each check valve of Single-chip Controlling, and the steam mixing out suitable pressure and temperature is exported by output channel.When mist, the preferential gas used in low pressure gas pipeline, second priority is calmed the anger to low-voltage device pipeline gas in using, and is finally that high pressure gas is to middle depressor pipeline gas.
Often, because the pressure in each apotheca is not always constant, have certain fluctuation, up to standard for guaranteeing the gas pressure sent, meeting polygamy part gases at high pressure enter and melt air chamber.Under normal circumstances, this can make to melt pressure and temperature in air chamber can be higher than predetermined, for security consideration, in control chip damage or under melting the out of control extreme case of air chamber, melt air chamber and will have a pressure safety device, and the consideration be in cost, the temperature of melting air chamber to be lowered the temperature, then this part energy is used for it and locates.The present invention devises high pressure relief device, this device does not need control chip to control, it is friction sealed on bursting diaphragm that it has a friction sprue, when melting, gas room pressure is excessive, and friction sprue can be released from bursting diaphragm, gases at high pressure are discharged by exhaust clearance, neighbouring people is jeopardized in order to prevent the friction sprue flown out, outer baffle of the present invention is located at the top of friction sprue, blocks the flight path of friction sprue, ensures safety.The present invention's design is melted air chamber and is connected water cooling pond, carrying out suitable cooling, then being injected hot-tub melting in air chamber, forwarding boiler place to and recycle, reduce energy dissipation by the cold water of heating by injecting cold water to melting air chamber.
The present invention has energy reasonable distribution heat steam, prevents from melting the advantage that air chamber pressure is too high, ensure safety, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is high pressure relief device structural representation under normal circumstances;
Fig. 3 is the structural representation of high pressure relief device under high-pressure situations.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 3 shows that structural representation of the present invention.
Reference numeral is wherein: high pressure gas apotheca 1, high pressure gas is to middle depressor pipeline 11, first check valve 12, in to calm the anger apotheca 2, in calm the anger to low-voltage device pipeline 21, second check valve 22, low pressure gas apotheca 3, low pressure gas pipeline 31, 3rd check valve 32, boiler 4, water cooling pond 51, hot-tub 52, cold water source 53, melt air chamber 6, pressure gauge 61, thermometer 62, Unidirectional solenoid valve 63, control chip 7, flowmeter 71, output channel 8, high pressure relief device 9, bursting diaphragm 91, friction sprue 91a, outer baffle 92, gas seal ring 93.
As shown in Figure 1 to Figure 3, electric heating coproduction heating system of the present invention, comprise the high pressure gas apotheca 1 be communicated with successively that pure condensate formula turbo-generator group is provided with, in to calm the anger apotheca 2 and low pressure gas apotheca 3, the air inlet of high pressure gas apotheca 1 connects boiler 4, gas outlet by high pressure gas to middle depressor pipeline 11 with in the calm the anger air inlet of apotheca 2 be connected, in calm the anger to calm the anger during the gas outlet of apotheca 2 is passed through to the air inlet of low-voltage device pipeline 21 with low pressure gas apotheca 3 and be connected, the gas outlet of low pressure gas apotheca 3 connects low pressure gas pipeline 31, high pressure gas to middle depressor pipeline 11 by the first check valve 12 with melt air chamber 6 and be connected, in calm the anger to low-voltage device pipeline 21 by the second check valve 22 with melt air chamber 6 and be connected, low pressure gas pipeline 31 by the 3rd check valve 32 with melt air chamber 6 and be connected, melt the pressure gauge 61 that air chamber 6 is connected with and can measures and melt pressure in air chamber 6 and the thermometer 62 melting temperature in air chamber 6 can be measured, first check valve 12, second check valve 22, 3rd check valve 32, pressure gauge 61 and thermometer 62 are all connected with control chip 7, the pressure and temperature that control chip 7 can show according to pressure gauge 61 and thermometer 62 regulates the first check valve 12, the opening and closing of the second check valve 22 and the 3rd check valve 32, melt air chamber 6 and be connected with output channel 8, the quantity of melting air chamber 6 is several, melt air chamber 6 and be communicated with high pressure relief device 9, high pressure relief device 9 includes bursting diaphragm 91 and outer baffle 92, exhaust clearance is provided with between the housing of outer baffle 92 and high pressure relief device 9, the gas melted in air chamber 6 and extraneous sealing completely cut off by bursting diaphragm 91, friction sprue 91a is provided with in the middle part of bursting diaphragm 91, friction sprue 91a under high pressure can fly out and make to become hollow connectedness from bursting diaphragm 91 from bursting diaphragm 91, and outer baffle 92 is located at the top of friction sprue 91a, each air chamber 6 that melts all is connected with water cooling pond 51 and hot-tub 52, and water cooling pond 51 is communicated with cold water source 53, and hot-tub 52 is communicated with boiler 4.
In embodiment, each melt air chamber 6 all by the first respective check valve 12, second check valve 22, the 3rd check valve 32 respectively with high pressure gas to middle depressor pipeline 11, in calm the anger to low-voltage device pipeline 21 and low pressure gas pipeline 31 and be communicated with, each air chamber 6 that melts all is connected with control chip 7.
In embodiment, the quantity of melting air chamber 6 is five.
In embodiment, the quantity of the first check valve 12, second check valve 22, the 3rd check valve 32 is five,
In embodiment, the quantity of pressure gauge 61 and thermometer 62 is five.
In embodiment, first check valve 12 allows air-flow to melt air chamber 6 from high pressure gas to middle depressor pipeline 11 flow direction, second check valve 22 allow air-flow therefrom calm the anger to low-voltage device pipeline 21 flow to melt air chamber 6, the 3rd check valve 32 allow air-flow from low pressure gas pipeline 31 flow to melt air chamber 6.
In embodiment, high pressure gas to middle depressor pipeline 11, in calm the anger the corrugated expansion joint be provided with to low-voltage device pipeline 21 and low pressure gas pipeline 31 for the contracting of equalizing main heat expansion.
In embodiment, output channel 8 is provided with the flowmeter 71 for recording flow.
In embodiment, between the housing of bursting diaphragm 91 and high pressure relief device 9, be provided with gas seal ring 93.
Concrete using method of the present invention is as follows:
High pressure gas to middle depressor pipeline 11 offers several pipelines, each pipeline is provided with first check valve 12, in calm the anger offer several pipelines to low-voltage device pipeline 21, each pipeline is provided with second check valve 22, low pressure gas pipeline 31 offers several pipelines, each pipeline is provided with the 3rd check valve 32, these check valves are all connected with single-chip microcomputer, the quantity of melting air chamber 6 is multiple, each air chamber 6 that melts connects first check valve 12, second check valve 22 and the 3rd check valve 32, each like this air chamber 6 that melts can mixed high-voltage High Temperature Gas, wet and low-pressure low-temperature gas in middle pressure.Mixed gas temperature and pressure are determined by the demand of client, and single-chip microcomputer is for monitoring the temperature and air pressure that regulate and melt in air chamber 6.Often, because the pressure in each apotheca is not always constant, have certain fluctuation, up to standard for guaranteeing the gas pressure sent, meeting polygamy part gases at high pressure enter and melt air chamber 6.Under normal circumstances, this can make to melt pressure and temperature in air chamber 6 can be higher than predetermined, for security consideration, under control chip 7 damages or melts the out of control extreme case of air chamber 6, melt air chamber 6 and will have a pressure safety device, and the consideration be in cost, the temperature of melting air chamber 6 to be lowered the temperature, then this part energy is used for it and locates.The present invention devises high pressure relief device 9, this device does not need control chip 7 to control, it is friction sealed on bursting diaphragm that it has a friction sprue 91a, when melting, pressure in air chamber 6 is excessive, and friction sprue 91a can be released from bursting diaphragm, gases at high pressure are discharged by exhaust clearance, neighbouring people is jeopardized in order to prevent the friction sprue 91a flown out, outer baffle 92 of the present invention is located at the top of friction sprue 91a, blocks the flight path of friction sprue 91a, ensures safety.The present invention's design is melted air chamber 6 and is connected water cooling pond 51, carries out suitable cooling by injecting cold water to melting air chamber 6, is then injected hot-tub 52 melting air chamber 6 in, forward boiler 4 place to and recycle, minimizing energy dissipation by the cold water of heating.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (7)
1. electric heating coproduction heating system, comprise the high pressure gas apotheca (1) be communicated with successively that pure condensate formula turbo-generator group is provided with, in to calm the anger apotheca (2) and low pressure gas apotheca (3), the air inlet of described high pressure gas apotheca (1) connects boiler (4), gas outlet by high pressure gas to middle depressor pipeline (11) with in the calm the anger air inlet of apotheca (2) be connected, calming the anger in described to calm the anger during the gas outlet of apotheca (2) is passed through to the air inlet of low-voltage device pipeline (21) with low pressure gas apotheca (3) is connected, the gas outlet of described low pressure gas apotheca (3) connects low pressure gas pipeline (31), it is characterized in that: described high pressure gas to middle depressor pipeline (11) by the first check valve (12) with melt air chamber (6) and be connected, calm the anger in described to low-voltage device pipeline (21) by the second check valve (22) with melt air chamber (6) and be connected, described low pressure gas pipeline (31) by the 3rd check valve (32) with melt air chamber (6) and be connected, described melt the pressure gauge (61) that air chamber (6) is connected with and can measures and melt air chamber (6) interior pressure and the thermometer (62) melting air chamber (6) interior temperature can be measured, described the first check valve (12), second check valve (22), 3rd check valve (32), pressure gauge (61) and thermometer (62) are all connected with control chip (7), the pressure and temperature that described control chip (7) can show according to pressure gauge (61) and thermometer (62) regulates the first check valve (12), the opening and closing of the second check valve (22) and the 3rd check valve (32), the described air chamber (6) that melts is connected with output channel (8), the described quantity of melting air chamber (6) is several, the described air chamber (6) that melts is communicated with high pressure relief device (9), described high pressure relief device (9) includes bursting diaphragm (91) and outer baffle (92), exhaust clearance is provided with between described outer baffle (92) and the housing of high pressure relief device (9), the gas that described bursting diaphragm (91) will melt in air chamber (6) completely cuts off with extraneous sealing, described bursting diaphragm (91) middle part is provided with friction sprue (91a), described friction sprue (91a) under high pressure can fly out and make to become hollow connectedness from bursting diaphragm (91) from bursting diaphragm (91), described outer baffle (92) is located at the top of friction sprue (91a), each described air chamber (6) that melts all is connected with water cooling pond (51) and hot-tub (52), described water cooling pond (51) is communicated with cold water source (53), and described hot-tub (52) is communicated with boiler (4).
2. electric heating coproduction heating system according to claim 1, it is characterized in that: each melt air chamber (6) all by respective the first check valve (12), the second check valve (22), the 3rd check valve (32) respectively with high pressure gas to middle depressor pipeline (11), in calm the anger to low-voltage device pipeline (21) and low pressure gas pipeline (31) and be communicated with, the air chamber (6) that melts described in each is all connected with control chip (7).
3. electric heating coproduction heating system according to claim 2, is characterized in that: the described quantity of melting air chamber (6) is five.
4. electric heating coproduction heating system according to claim 3, it is characterized in that: described the first check valve (12) allows air-flow to melt air chamber (6) from high pressure gas to middle depressor pipeline (11) flow direction, described the second check valve (22) permission air-flow is therefrom calmed the anger to low-voltage device pipeline (21) flow direction and is melted air chamber (6), and the 3rd described check valve (32) allows air-flow to melt air chamber (6) from low pressure gas pipeline (31) flow direction.
5. electric heating coproduction heating system according to claim 4, is characterized in that: described high pressure gas to middle depressor pipeline (11), in calm the anger the corrugated expansion joint be provided with to low-voltage device pipeline (21) and low pressure gas pipeline (31) for the contracting of equalizing main heat expansion.
6. electric heating coproduction heating system according to claim 5, is characterized in that: described output channel (8) is provided with the flowmeter (71) for recording flow.
7. electric heating coproduction heating system according to claim 6, is characterized in that: be provided with gas seal ring (93) between described bursting diaphragm (91) and the housing of high pressure relief device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410629910.6A CN104359141A (en) | 2014-11-10 | 2014-11-10 | Electric heating co-production heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410629910.6A CN104359141A (en) | 2014-11-10 | 2014-11-10 | Electric heating co-production heat supply system |
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| CN104359141A true CN104359141A (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410629910.6A Pending CN104359141A (en) | 2014-11-10 | 2014-11-10 | Electric heating co-production heat supply system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202370596U (en) * | 2011-11-28 | 2012-08-08 | 北京北重汽轮电机有限责任公司 | Heating heat supply combined heat and power generation power generator set |
| CN102705020A (en) * | 2012-05-18 | 2012-10-03 | 华北电力大学 | Combined heat and power generation system and heat supplying method |
| CN104235924A (en) * | 2014-10-11 | 2014-12-24 | 金陵科技学院 | Smart heat supply device with pressure regulating and releasing functions |
| CN204214013U (en) * | 2014-11-10 | 2015-03-18 | 金陵科技学院 | Electric heating coproduction heating system |
-
2014
- 2014-11-10 CN CN201410629910.6A patent/CN104359141A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202370596U (en) * | 2011-11-28 | 2012-08-08 | 北京北重汽轮电机有限责任公司 | Heating heat supply combined heat and power generation power generator set |
| CN102705020A (en) * | 2012-05-18 | 2012-10-03 | 华北电力大学 | Combined heat and power generation system and heat supplying method |
| CN104235924A (en) * | 2014-10-11 | 2014-12-24 | 金陵科技学院 | Smart heat supply device with pressure regulating and releasing functions |
| CN204214013U (en) * | 2014-11-10 | 2015-03-18 | 金陵科技学院 | Electric heating coproduction heating system |
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Application publication date: 20150218 |