CN205175694U - Combined heat and power units economic benefits's on -line monitoring device - Google Patents
Combined heat and power units economic benefits's on -line monitoring device Download PDFInfo
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- CN205175694U CN205175694U CN201520900375.3U CN201520900375U CN205175694U CN 205175694 U CN205175694 U CN 205175694U CN 201520900375 U CN201520900375 U CN 201520900375U CN 205175694 U CN205175694 U CN 205175694U
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Abstract
The utility model relates to a combined heat and power units economic benefits's on -line monitoring device. Current economic nature to combined heat and power units lacks on -line monitoring device, and traditional thermoelectric cost sharing method is because there are the dispute in the quantity and the distribution of quality between heat and electricity of energy. The utility model discloses a characteristics are: include: heat detection device locates heat supply network circulating water water supply side for detect the heating load of heat supply network circulating water, power supply side generating line is located to the electric quantity detection device for detect the unit electricity volume, coal volume detection device locates in the defeated coal belt dressing for detect the coal consumption volume of unit, calculate the monitor, its input port has connect heat detection device, electric quantity detection device and coal volume detection device, the output port who calculates the monitor is located to the display. The utility model has the advantages of simple structure, reasonable in design, the overall arrangement science, convenient to use is favorable to energy -concerving and environment -protectively.
Description
Technical field
The utility model relates to a kind of on-Line Monitor Device, especially relates to a kind of on-Line Monitor Device of cogeneration units economic benefit, belongs to fired power generating unit heat-economy on-line monitoring field.
Background technology
Total institute is known, and cogeneration of heat and power is conducive to the cascade utilization of energy, effectively can promote that unit plays odds for effectiveness and energy-conserving and environment-protective advantage, should widely popularize application.But, the current economy to cogeneration units lacks on-Line Monitor Device, due to the quantity of energy and quality, the distribution between heat and electricity exists and disputes on traditional thermoelectric cost-apportion method, never form unified accounting method, also calculated off-line is belonged to, the true economic benefit that power plant management person brings after accurately cannot grasping and adopting cogeneration of heat and power, is unfavorable for the sound development promoting cogeneration of heat and power enterprise.Therefore be necessary to build a kind of on-Line Monitor Device, the economic benefit of on-line monitoring cogeneration units, be convenient to the additional benefit that enterprise grasps coproduction unit in real time, promote the enthusiasm of producing.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of structure simple, reasonable in design, and scientific arrangement is easy to use, is conducive to the on-Line Monitor Device of the cogeneration units economic benefit of energy-conserving and environment-protective.
The technical scheme in the invention for solving the above technical problem is: the design feature of the on-Line Monitor Device of this cogeneration units economic benefit is: comprising: heat measurement device, be located at heat supply network recirculated water water supply side, for detecting the heating load of heat supply network recirculated water; Electric quantity detection apparatus, is located at supply side bus, for detecting unit electricity volume; Coal amount detecting device, is located in coal conveyer belt device, for detecting the coal consumption amount of unit; Calculate monitor, its input port is connected to described heat measurement device, electric quantity detection apparatus and coal amount detecting device; Display, is located at the output port calculating monitor.
As preferably, the utility model also comprises: heat supply network supply water temperature pick-up unit, is connected to heat supply network recirculated water water supply side, for detecting the supply water temperature of heat supply network recirculated water; Heat supply network return water temperature detection device, is connected to heat supply network recirculated water backwater side, for detecting the return water temperature of heat supply network recirculated water; Flowmeter, is connected to heat supply network recirculated water water supply side, for detecting the flow of heat supply network recirculated water.
As preferably, the output terminal of heat supply network supply water temperature pick-up unit described in the utility model, heat supply network return water temperature detection device and flowmeter is connected to heat measurement device.
As preferably, heat measurement device described in the utility model is calorimeter.
As preferably, electric quantity detection apparatus described in the utility model is electricity volume table.
As preferably, coal amount detection device described in the utility model is set to belt conveyer scale.
As preferably, calculating monitor described in the utility model and the existing DCS system of power plant integrated, without the need to increasing equipment.
As preferably, heat supply network supply water temperature monitoring device described in the utility model is thermal resistance.
As preferably, heat supply network return water temperature monitoring device described in the utility model is thermal resistance.
As preferably, flow described in the utility model counts flow-measurement orifice plate.
The utility model compared with prior art, have the following advantages and effect: (1) structure is simple, reasonable in design, easy to use, the installation site science of heat measurement device, electric quantity detection apparatus, coal amount detecting device, heat supply network supply water temperature pick-up unit, heat supply network return water temperature detection device and flowmeter, make Detection results good, monitoring degree of accuracy is high.(2) achieve the real-time online of cogeneration units economic benefit is presented, can monitor and grasp the performance driving economy of coproduction unit at any time, the economic datas such as real time inspection heating load, electricity volume, coal consumption amount, input-output ratio.(3) company manager can grasp the profitability of coproduction unit in real time, presenting in real time according to input-output ratio, is convenient to compare unit due to the additional benefit brought that heats.In addition, this system all has positive effect for the adjustment, optimizing operation management etc. of thermoelectricity duty ratio.
Accompanying drawing explanation
Fig. 1 is the structural representation of the on-Line Monitor Device of cogeneration units economic benefit in the utility model embodiment.
Fig. 2 is the structural representation that in the utility model embodiment, heat measurement device connects.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1 to Fig. 2, in the present embodiment, the on-Line Monitor Device of cogeneration units economic benefit comprises heat measurement device 1, electric quantity detection apparatus 2, coal amount detecting device 3, calculates monitor 4, display 5, heat supply network supply water temperature pick-up unit 6, heat supply network return water temperature detection device 7 and flowmeter 8.
Heat measurement device 1 in the present embodiment, is located at heat supply network recirculated water water supply side, for detecting the heating load of heat supply network recirculated water; Electric quantity detection apparatus 2, is located at supply side bus, for detecting unit electricity volume; Coal amount detecting device 3, is located in coal conveyer belt device, for detecting the coal consumption amount of unit; Calculate monitor 4, its input port is connected to described heat measurement device 1, electric quantity detection apparatus 2 and coal amount detecting device 3, with the electricity volume according to coproduction unit, heating load and coal consumption amount, calculates its input-output ratio; Display 5, is located at and calculates the output terminal of monitor 4, for showing the delivery of coproduction unit, heating load, coal consumption amount and input-output ratio in real time.
Heat measurement device 1 input end in the present embodiment connects heat supply network supply water temperature pick-up unit 6, heat supply network return water temperature detection device 7 and flowmeter 8.Wherein, heat supply network supply water temperature pick-up unit 6, is connected to heat supply network recirculated water water supply side, for detecting the supply water temperature of heat supply network recirculated water; Heat supply network return water temperature detection device 7, is connected to heat supply network recirculated water backwater side, for detecting the return water temperature of heat supply network recirculated water; Flowmeter 8, is connected to heat supply network recirculated water water supply side, for detecting the flow of heat supply network recirculated water.
Heat measurement device 1 in the present embodiment, electric quantity detection apparatus 2, coal amount detecting device 3, heat supply network supply water temperature pick-up unit 6, heat supply network return water temperature detection device 7 and flowmeter 8 can be belong to cogeneration plant's standard configuration pick-up unit, can without the need to additionally installing additional.
Calculate detecting device 4 accessible site in the present embodiment in Power Plant DCS System, display 5 can be embedded in DCS display frame, is convenient to whole monitoring.In the present embodiment, the on-Line Monitor Device of cogeneration units economic benefit can also comprise coal qualities test report, by real-time coal characteristic input computation and measurement device, so that the actual coal amount of coal amount detecting device input is converted to standard coal equivalent amount.
The overall implementation describing the present embodiment below: the real-time heating load of the Parameters Computer group that heat measurement device 1 exports according to heat supply network supply water temperature pick-up unit 6, heat supply network return water temperature detection device 7 and flowmeter 8; Electric quantity detection apparatus 2 detects the real-time electricity volume of unit, and coal amount detecting device 3 detects the coal consumption amount of unit in real time; Calculate detecting device 4 according to the heating load inputted, electricity volume and coal consumption amount, and according to coal qualities test report, coal consumption amount is converted to norm-coal consumption, according to local caloric value, electricity price and mark coal price lattice, the ratio (input-output ratio) between the price of cogeneration plant's output products (heat, electricity) and the price of cost consumption (coal) can be calculated; Heating load, electricity volume, coal consumption amount and input-output ratio present in real time by display.
In addition, it should be noted that, the specific embodiment described in this instructions, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this instructions is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (9)
1. the on-Line Monitor Device of a cogeneration units economic benefit, it is characterized in that: comprise calculating monitor, display, be located at heat supply network recirculated water water supply side and for the heat measurement device of the heating load that detects heat supply network recirculated water, be located at supply side bus and electric quantity detection apparatus for detecting unit electricity volume, and be located in coal conveyer belt device and coal amount detecting device for detecting unit coal consumption amount; Described heat measurement device, electric quantity detection apparatus are all connected with the input port calculating monitor with coal amount detecting device, and described display is connected with the output port calculating monitor.
2. the on-Line Monitor Device of cogeneration units economic benefit according to claim 1, it is characterized in that: also comprise the heat supply network supply water temperature pick-up unit for detecting heat supply network recirculated water supply water temperature, for detecting the heat supply network return water temperature detection device of heat supply network recirculated water return water temperature, and for detecting the flowmeter of heat supply network circulating water flow; Described heat supply network supply water temperature pick-up unit is connected to heat supply network recirculated water water supply side, and described heat supply network return water temperature detection device is connected to heat supply network recirculated water backwater side, and described flowmeter is connected to heat supply network recirculated water water supply side.
3. the on-Line Monitor Device of cogeneration units economic benefit according to claim 2, is characterized in that: described heat supply network supply water temperature pick-up unit, heat supply network return water temperature detection device and flowmeter are all connected to the input end of heat measurement device.
4. the on-Line Monitor Device of cogeneration units economic benefit according to claim 1, is characterized in that: described heat measurement device is calorimeter.
5. the on-Line Monitor Device of cogeneration units economic benefit according to claim 1, is characterized in that: described electric quantity detection apparatus is electricity volume table.
6. the on-Line Monitor Device of cogeneration units economic benefit according to claim 1, is characterized in that: described coal amount detection device is set to belt conveyer scale.
7. the on-Line Monitor Device of cogeneration units economic benefit according to claim 2, is characterized in that: described heat supply network supply water temperature monitoring device is thermal resistance.
8. the on-Line Monitor Device of cogeneration units economic benefit according to claim 2, is characterized in that: described heat supply network return water temperature monitoring device is thermal resistance.
9. the on-Line Monitor Device of a kind of cogeneration units economic benefit according to claim 2, is characterized in that: described flow counts flow-measurement orifice plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520900375.3U CN205175694U (en) | 2015-11-12 | 2015-11-12 | Combined heat and power units economic benefits's on -line monitoring device |
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| CN201520900375.3U CN205175694U (en) | 2015-11-12 | 2015-11-12 | Combined heat and power units economic benefits's on -line monitoring device |
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| CN205175694U true CN205175694U (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703181A (en) * | 2017-08-08 | 2018-02-16 | 华电电力科学研究院 | Evaluate the back balance method of low-pressure coal saver energy-saving effect |
| CN111523730A (en) * | 2020-04-23 | 2020-08-11 | 中国华能集团有限公司 | Method for predicting coal consumption of cogeneration unit |
| CN111934311A (en) * | 2020-06-01 | 2020-11-13 | 国电泉州热电有限公司 | Evaluation method for economical efficiency of cogeneration |
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2015
- 2015-11-12 CN CN201520900375.3U patent/CN205175694U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703181A (en) * | 2017-08-08 | 2018-02-16 | 华电电力科学研究院 | Evaluate the back balance method of low-pressure coal saver energy-saving effect |
| CN107703181B (en) * | 2017-08-08 | 2019-10-25 | 华电电力科学研究院有限公司 | Evaluate the back balance method of low-pressure coal saver energy-saving effect |
| CN111523730A (en) * | 2020-04-23 | 2020-08-11 | 中国华能集团有限公司 | Method for predicting coal consumption of cogeneration unit |
| CN111934311A (en) * | 2020-06-01 | 2020-11-13 | 国电泉州热电有限公司 | Evaluation method for economical efficiency of cogeneration |
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