CN110532503A - A kind of zero overflow system moisturizing water of pulp water and concentration rate calculation method - Google Patents
A kind of zero overflow system moisturizing water of pulp water and concentration rate calculation method Download PDFInfo
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- CN110532503A CN110532503A CN201910803572.6A CN201910803572A CN110532503A CN 110532503 A CN110532503 A CN 110532503A CN 201910803572 A CN201910803572 A CN 201910803572A CN 110532503 A CN110532503 A CN 110532503A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 230000003020 moisturizing effect Effects 0.000 title claims abstract description 30
- 238000004364 calculation method Methods 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 51
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention discloses a kind of zero overflow system moisturizing water of pulp water and concentration rate calculation methods, comprising the following steps: calculates coal-burning power plant's quantity of slag Q1；Calculate the water Q2 that coal-burning power plant's wet slag is taken away；Calculate the heat P1 that slag is brought into per hour in coal-burning power plant；It calculates pulp water and recycles the heat P2 lost per hour；Calculate the heat p of 1 ton of water absorption；The heat p of heat P1, the heat P2 that pulp water circulation is lost per hour and the 1 ton of water absorption brought into per hour according to slag calculates slag system steam raising loss water Q3；The water Q2 taken away further according to coal-burning power plant quantity of slag Q1, coal-burning power plant's wet slag and slag system steam raising loss water Q3 calculates the moisturizing water Q and concentration rate K of zero overflow system of pulp water, and this method can accurately calculate the moisturizing water and concentration rate of zero overflow system of pulp water.
Description
Technical field
The present invention relates to a kind of moisturizing water and concentration rate calculation methods, and in particular to a kind of zero overflow system of pulp water benefit
Water water and concentration rate calculation method.
Background technique
Currently, most domestic coal-burning power plant uses wet deslagging process, pulp water suspended matter, hardness isoconcentration are higher, water quality
Complexity, pollutant discharging license do not allow pulp water outlet generally, and " power-plant waste Treatment design specification " (DL/T 5046-2018) is wanted
Ask hydraulic slag removal system preferably closed cycle to be used to handle, slag system generally pass through dragveyer liquidometer control moisturizing, but due to
Pulp water is supersaturated water quality, influences the use of liquidometer, causes liquidometer control inaccuracy, moisturizing water is inaccurate, and at present
Accurate Prediction pulp water rate of water make-up is also failed to, causes pulp water circulatory system excess moisturizing, rate of water make-up is greater than slag system water loss, real
There is pulp water overflow to external environment or other systems in border major part power plant, it is other that pulp water goes other waste water systems will affect
The normal table of waste water treatment system is run, and is drained into other external environments outside pulp water and is caused environmental pollution.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of zero overflow system moisturizing water of pulp water is provided
Amount and concentration rate calculation method, this method can accurately calculate the moisturizing water and concentration rate of zero overflow system of pulp water.
In order to achieve the above objectives, zero overflow system moisturizing water of pulp water of the present invention and concentration rate calculation method packet
Include following steps:
Installed capacity Z, generation load η, coal consumption ψ, pit ash χ and the regulation coefficient α of coal-burning power plant are obtained, is calculated coal-fired
Power plant quantity of slag Q1；
The moisture content ω for obtaining coal-burning power plant's wet slag, further according to coal-burning power plant quantity of slag Q1 and the moisture content of coal-burning power plant's wet slag
ω calculates the water Q2 that coal-burning power plant's wet slag is taken away；
The specific heat capacity Cz of the warm sludge initial temperature T1 of coal-burning power plant, furnace bottom sealing water water temperature T 2 and slag is obtained, is calculated coal-fired
The heat P1 that slag is brought into per hour in power plant；
Obtain the pulp water circulatory system quantity of circulating water Q of coal-burning power plantIt follows, the pulp water circulatory system return dragveyer water temperature T 4 and water
Specific heat capacity Cs calculates pulp water and recycles the heat P2 lost per hour；
Obtain the slag system moisturizing water temperature T 3 of coal-burning power plant and the heat of vaporization P of 100 DEG C of waterIt is latent, calculate 1 ton of water absorption
Heat p；
Heat P2 that the heat P1 that is brought into per hour according to slag, pulp water circulation are lost per hour and 1 ton of water absorption
Heat p calculates slag system steam raising and loses water Q3；
Water is lost in the water Q2 taken away further according to coal-burning power plant quantity of slag Q1, coal-burning power plant's wet slag and slag system steam raising
The moisturizing water Q and concentration rate K of Q3 calculating zero overflow system of pulp water.
Q1=Z × η × ψ × χ × β × 1/1000.
Q2=Q1 × ω.
P1=Q1 × (T1-T2) × Cz × 1000.
P2=QIt follows×(T2-T4)×Cs×1000。
P=PIt is latent+Cs×(100-T3)×1000。
Q3=(P1-P2)/p.
Q=Q2+Q3.
K=Q/Q2.
The invention has the following advantages:
Zero overflow system moisturizing water of pulp water and concentration rate calculation method of the present invention are utilized when specific operation
The parameter of coal-burning power plant's detection and the boundary condition of coal-burning power plant are calculated by data, accurately obtain pulp water circulatory system moisturizing water
Amount and concentration rate optimize and revise the slag system method of operation and provide data supporting, realize real for designing unit and operations staff
Zero overflow.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, zero overflow system moisturizing water of pulp water and concentration rate calculation method of the present invention include following
Step:
Installed capacity Z, generation load η, coal consumption ψ, pit ash χ and the regulation coefficient α of coal-burning power plant are obtained, is calculated coal-fired
Power plant quantity of slag Q1；
The moisture content ω for obtaining coal-burning power plant's wet slag, further according to coal-burning power plant quantity of slag Q1 and the moisture content of coal-burning power plant's wet slag
ω calculates the water Q2 that coal-burning power plant's wet slag is taken away；
The specific heat capacity Cz of the warm sludge initial temperature T1 of coal-burning power plant, furnace bottom sealing water water temperature T 2 and slag is obtained, is calculated coal-fired
The heat P1 that slag is brought into per hour in power plant；
Obtain the pulp water circulatory system quantity of circulating water Q of coal-burning power plantIt follows, the pulp water circulatory system return dragveyer water temperature T 4 and water
Specific heat capacity Cs calculates pulp water and recycles the heat P2 lost per hour；
Obtain the slag system moisturizing water temperature T 3 of coal-burning power plant and the heat of vaporization P of 100 DEG C of waterIt is latent, calculate 1 ton of water absorption
Heat p；
Heat P2 that the heat P1 that is brought into per hour according to slag, pulp water circulation are lost per hour and 1 ton of water absorption
Heat p calculates slag system steam raising and loses water Q3；
Water is lost in the water Q2 taken away further according to coal-burning power plant quantity of slag Q1, coal-burning power plant's wet slag and slag system steam raising
The moisturizing water Q and concentration rate K of Q3 calculating zero overflow system of pulp water.
Specific formula for calculation is as follows:
Q1=Z × η × ψ × χ × β × 1/1000
Q2=Q1 × ω
P1=Q1 × (T1-T2) × Cz × 1000
P2=QIt follows×(T2-T4)×Cs×1000
P=PIt is latent+Cs×(100-T3)×1000
Q3=(P1-P2)/p
Q=Q2+Q3
K=Q/Q2
The above embodiment of the present invention is only example to illustrate the invention, and is not to implementation of the invention
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description
With the variation and variation of form.Here all embodiments can not be exhaustive.It is all to belong to technical solution of the present invention
Changes and variations that derived from are still in the scope of protection of the present invention.
Claims (9)
1. a kind of zero overflow system moisturizing water of pulp water and concentration rate calculation method, which comprises the following steps:
Installed capacity Z, generation load η, coal consumption ψ, pit ash χ and the regulation coefficient α of coal-burning power plant are obtained, coal-burning power plant is calculated
Quantity of slag Q1；
The moisture content ω for obtaining coal-burning power plant's wet slag is counted further according to the moisture content ω of coal-burning power plant quantity of slag Q1 and coal-burning power plant's wet slag
Calculate the water Q2 that coal-burning power plant's wet slag is taken away；
The specific heat capacity Cz of the warm sludge initial temperature T1 of coal-burning power plant, furnace bottom sealing water water temperature T 2 and slag is obtained, coal-burning power plant is calculated
The heat P1 that middle slag is brought into per hour；
Obtain the pulp water circulatory system quantity of circulating water Q of coal-burning power plantIt follows, the pulp water circulatory system return the specific heat of dragveyer water temperature T 4 and water
Hold Cs, calculates pulp water and recycle the heat P2 lost per hour；
Obtain the slag system moisturizing water temperature T 3 of coal-burning power plant and the heat of vaporization P of 100 DEG C of waterIt is latent, calculate the heat of 1 ton of water absorption
p；
The heat p of heat P1, the pulp water circulation heat P2 lost per hour and the 1 ton of water absorption brought into per hour according to slag
It calculates slag system steam raising and loses water Q3；
The water Q2 taken away further according to coal-burning power plant quantity of slag Q1, coal-burning power plant's wet slag and slag system steam raising loss water Q3 meter
Calculate the moisturizing water Q and concentration rate K of zero overflow system of pulp water.
2. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
Q1=Z × η × ψ × χ × β × 1/1000.
3. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
Q2=Q1 × ω.
4. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
P1=Q1 × (T1-T2) × Cz × 1000.
5. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
P2=QIt follows×(T2-T4)×Cs×1000。
6. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
P=PIt is latent+Cs×(100-T3)×1000。
7. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
Q3=(P1-P2)/p.
8. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
Q=Q2+Q3.
9. zero overflow system moisturizing water of pulp water according to claim 1 and concentration rate calculation method, which is characterized in that
K=Q/Q2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803572.6A CN110532503B (en) | 2019-08-28 | 2019-08-28 | Method for calculating water supplementing amount and concentration ratio of slag water zero-overflow system |
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| CN201910803572.6A CN110532503B (en) | 2019-08-28 | 2019-08-28 | Method for calculating water supplementing amount and concentration ratio of slag water zero-overflow system |
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| CN110532503A true CN110532503A (en) | 2019-12-03 |
| CN110532503B CN110532503B (en) | 2022-11-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280958A (en) * | 2000-05-26 | 2001-01-24 | 萧山市临江工贸有限公司 | Process without drainage of waste water |
| WO2009046628A1 (en) * | 2007-09-27 | 2009-04-16 | Zhen Wang | Method of real-time on-line supervision for coal boiler efficiency |
-
2019
- 2019-08-28 CN CN201910803572.6A patent/CN110532503B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280958A (en) * | 2000-05-26 | 2001-01-24 | 萧山市临江工贸有限公司 | Process without drainage of waste water |
| WO2009046628A1 (en) * | 2007-09-27 | 2009-04-16 | Zhen Wang | Method of real-time on-line supervision for coal boiler efficiency |
Non-Patent Citations (1)
| Title |
|---|
| 苏艳等: "燃煤电厂渣水循环***工艺研究", 《中国电力》 * |
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