CN104676576B - Steam condensate heat-exchange system with automatic medicine adding apparatus - Google Patents
Steam condensate heat-exchange system with automatic medicine adding apparatus Download PDFInfo
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- CN104676576B CN104676576B CN201310642794.7A CN201310642794A CN104676576B CN 104676576 B CN104676576 B CN 104676576B CN 201310642794 A CN201310642794 A CN 201310642794A CN 104676576 B CN104676576 B CN 104676576B
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- lime set
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Abstract
The invention discloses a kind of steam condensate heat-exchange system with automatic medicine adding apparatus, belong to chemical industry manufacture field, including: condenser, lime set supervisor, pump, chemicals dosing plant, control valve, lime set arm and heat exchanger; One end of described lime set supervisor is provided with steam inlet, from steam inlet place, lime set supervisor be connected with condenser and pump successively, the lime set arm that the lime set supervisor connected with pumping water end (W.E.) is parallel with one group again connects, described lime set arm is connected to heat exchanger, and the terminal of lime set arm is interconnected, and it is connected with user side by a connection pipeline; The present invention can realize Adding medicine control valve opening and be automatically adjusted in real time, solves owing to the position of heat exchanger is different, and its dose flows to difference, and the distance chemicals dosing plant caused heat exchanger farther out cannot the problem of dosing.
Description
Technical field
The present invention relates to a kind of steam condensate heat-exchange system, particularly relate to a kind of steam condensate heat-exchange system with automatic medicine adding apparatus.
Background technology
Along with the development of industry, energy problem is increasingly subject to the concern of people. At present, the steam in many chemical plant all adopts circular treatment and utilization. But, steam is condensed by condenser, condenses in water and is likely to containing O2��CO2And SiO2Deng impurity, dissolved oxygen therein easily causes pipeline and equipment corrosion, the SiO contained in water2Easily form fouling, and dissolve in the CO condensed in water2Form weak electrolyte H2CO3, H2CO3It is decomposed into H+And HCO3 -, thus affecting the pH value of steam, cause corrosion of piping.
Compressor bank is higher to the requirement of steam, and the impurity in steam is different with the pH value of steam, can affect the normal operation of compressor bank. At present, remove the impurity condensed in water or eliminate the CO condensed in water2And O2Method be dosing in lime set. Chemicals dosing plant is located at lime set arm place by existing technology, respectively to each lime set arm dosing, chemicals dosing plant is provided with multiple arm, each arm is provided with control valve, it not only controls complexity, and owing to the position of heat exchanger is different, its dose flows to difference, it is possible to cause the remote heat exchanger of distance drug feeding device cannot the problem of dosing.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the invention aims to provide a kind of and there is the steam condensate heat-exchange system independently adding and automatically controlling medicine addition function.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of steam condensate system with automatic medicine adding apparatus, including condenser, lime set supervisor, pump, chemicals dosing plant, control valve, lime set arm and heat exchanger;
One end of described lime set supervisor is provided with steam inlet, from steam inlet place, lime set supervisor be connected with condenser and pump successively, the lime set arm that the lime set supervisor connected with pumping water end (W.E.) is parallel with one group again connects, described lime set arm is connected to heat exchanger, and the terminal of lime set arm is interconnected, and it is connected with user side by a connection pipeline;
Described lime set arm one group parallel includes at least two lime set arms;
Described with pump lime set supervisor that water end (W.E.) is connected and be connected with chemicals dosing plant further through being connected pipeline;
Lime set supervisor between described pump and chemicals dosing plant is also equipped with flow detector;
The junction that described chemicals dosing plant and lime set are responsible for controls valve equipped with one;
Described flow detector, controller and control valve and constitute and add pharmaceutical quantities open-loop control system, the outfan of flow detector is connected with the input of controller, flow detector is by the flow value input of detection to controller, controller obtains output by built-in algorithms computing, the outfan of controller is connected with the input controlling valve, make controller output can the aperture of adjusting control valve in real time, in order to control to add during chemicals dosing plant is responsible for the dosage of medicament to lime set;
Further, described medicament is oxygen scavenger, pH value regulator and clear pot agent;
Further, PH regulator is neutralizing amine;
Further, described pump is centrifugal pump.
The invention have the benefit that
In native system, chemicals dosing plant outlet tube is provided with autocontrol valve, by adding pharmaceutical quantities open-loop control system, it is possible to regulable control valve opening in real time, reaches to add the self-regulating purpose of pharmaceutical quantities, improves the automaticity of production;
In native system, chemicals dosing plant is directly connected with lime set supervisor by connecting pipeline, medicine is made to be directly added to lime set supervisor, " chemicals dosing plant is located at lime set arm place with prior art, respectively to each lime set arm dosing, chemicals dosing plant is provided with multiple arm, each arm is provided with control valve " compare, native system directly adds medicine to lime set supervisor, avoid and control valve is set on each arm, make the difficult problem that Valve controlling complicates, also solve owing to the position of heat exchanger is different simultaneously, its dose flows to difference, the distance chemicals dosing plant caused heat exchanger farther out cannot the problem of dosing.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the present invention;
In figure: 1, condenser, 2, lime set supervisor, 3, pump, 4, chemicals dosing plant, 5, control valve, 6, lime set arm, 7, heat exchanger, 8, user side.
Detailed description of the invention
In order to the present invention is explained further, illustrate as follows in conjunction with the drawings and the specific embodiments:
Embodiment 1:
A kind of steam condensate system with automatic medicine adding apparatus as shown in Figure 1, including condenser 1, lime set supervisor 2, pump 3, chemicals dosing plant 4, controls valve 5, lime set arm 6 and heat exchanger 7;
One end of described lime set supervisor 2 is provided with steam inlet, from steam inlet place, lime set supervisor 2 is connected with condenser 1 and pump 3 successively, the lime set arm 6 that the lime set supervisor 2 connected with pump 3 water side is parallel with one group again connects, described lime set arm 6 is connected to heat exchanger 7, and the terminal of lime set arm 6 is interconnected, and it is connected with user side 8 by a connection pipeline;
Described lime set arm 6 one group parallel is including at least two lime set arms;
The described lime set supervisor 2 being connected with pump 3 water side is connected with chemicals dosing plant 4 further through being connected pipeline;
Lime set supervisor 2 between described pump 3 and chemicals dosing plant 4 is also equipped with flow detector;
Described chemicals dosing plant 4 and lime set are responsible for the junction of 2 and are controlled valve 5 equipped with one;
Described flow detector, controller and control valve 5 and constitute and add pharmaceutical quantities open-loop control system, the outfan of flow detector is connected with the input of controller, flow detector is by the flow value input of detection to controller, controller obtains output by built-in algorithms computing, the outfan of controller is connected with the input controlling valve 5, make controller output can the aperture of adjusting control valve 5 in real time, the dosage adding medicament in 2 in order to control chemicals dosing plant 4 to be responsible for lime set;
Further, described medicament is oxygen scavenger, pH value regulator and clear pot agent;
Further, PH regulator is neutralizing amine;
Further, described pump 3 is centrifugal pump.
A kind of lime set heat-exchanging process of the steam condensate heat-exchange system with automatic medicine adding apparatus:
Steam enters lime set supervisor 2 from steam inlet place, it is responsible for 2 bufferings through this part lime set, enter condenser 1 to condense, lime set is become after steam is condensed, pumped to lime set by pump 3 again and be responsible for, lime set is in the process of flowing, the chemicals dosing plant 4 connecting tube by being responsible for 2 with lime set, it is responsible for the lime set in 2 to lime set and adds medicament, add the dosage condensate flow according to flow detector detection of medicament, undertaken in real time by described interpolation pharmaceutical quantities open-loop control system, automatically regulate, lime set after dosing enters lime set arm 6, and carry out heat exchange by the heat exchanger 7 being connected with lime set arm 6, the steam that tail gas after heat exchange and lime set flash off, user side 8 is flowed to by connecting pipeline.
Embodiment 2:
A kind of vapor-recovery system, including condenser 1, lime set supervisor 2, pump 3, chemicals dosing plant 4, controls valve 5, lime set arm 6 and heat exchanger 7;
One end of described lime set supervisor 2 is provided with steam inlet, from steam inlet place, lime set supervisor 2 is connected with condenser 1 and pump 3 successively, the lime set arm 6 that the lime set supervisor 2 connected with pump 3 water side is parallel with one group again connects, described lime set arm 6 is connected to heat exchanger 7, and the terminal of lime set arm 6 is interconnected, and it is connected with user side 8 by a connection pipeline;
Described lime set arm 6 one group parallel is including at least two lime set arms;
The described lime set supervisor 2 being connected with pump 3 water side is connected with chemicals dosing plant 4 further through being connected pipeline.
Described pump 3 is centrifugal pump.
A kind of vapor recovery technique is that its technique is:
A, steam enter lime set supervisor 2 from steam inlet place, are responsible for 2 bufferings through this part lime set, enter condenser 1 and condense;
Becoming lime set after b, steam are condensed, pumped by pump 3 again and be responsible for 2 to lime set, lime set is in the process of flowing, and the chemicals dosing plant 4 connecting tube by being responsible for 2 with lime set, to the lime set interpolation medicament in lime set supervisor 2;
Lime set after c, dosing enters lime set arm 6, and carries out heat exchange by the heat exchanger 7 being connected with lime set arm 6, the steam that tail gas after heat exchange and lime set flash off, and flows to user side 8 by connecting pipeline.
Described medicament is oxygen scavenger, pH value regulator and clear pot agent.
Described PH regulator is neutralizing amine.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope of present disclosure; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (4)
1. the steam condensate system with automatic medicine adding apparatus, it is characterised in that: include condenser (1), lime set supervisor (2), pump (3), chemicals dosing plant (4), control valve (5), lime set arm (6), heat exchanger (7) and controller;
One end of described lime set supervisor (2) is provided with steam inlet, from steam inlet place, lime set supervisor (2) is connected with condenser (1) and pump (3) successively, the lime set arm (6) that the lime set being connected with pump (3) water side is responsible for (2) parallel with one group again connects, described lime set arm (6) is connected to heat exchanger (7), and the terminal of lime set arm (6) is interconnected, and it is connected with user side (8) by a connection pipeline;
Described lime set arm (6) a group parallel is including at least two lime set arms;
Described lime set supervisor (2) being connected with pump (3) water side is connected with chemicals dosing plant (4) further through being connected pipeline;
Lime set supervisor (2) between described pump (3) and chemicals dosing plant (4) is also equipped with flow detector;
Described chemicals dosing plant (4) and lime set are responsible for the junction of (2) and are controlled valve (5) equipped with one;
Described flow detector, controller and control valve (5) and constitute and add pharmaceutical quantities open-loop control system, the outfan of flow detector is connected with the input of controller, flow detector is by the flow value input of detection to controller, controller obtains output by built-in algorithms computing, the outfan of controller is connected with the input controlling valve (5), make controller output can the aperture of adjusting control valve (5) in real time, the dosage adding medicament in (2) in order to control chemicals dosing plant (4) to be responsible for lime set.
2. the steam condensate system with automatic medicine adding apparatus according to claim 1, it is characterised in that: described medicament is oxygen scavenger, pH value regulator and clear pot agent.
3. the steam condensate system with automatic medicine adding apparatus according to claim 2, it is characterised in that: PH regulator is neutralizing amine.
4. the steam condensate system with automatic medicine adding apparatus according to claim 1, it is characterised in that: described pump (3) is centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310642794.7A CN104676576B (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat-exchange system with automatic medicine adding apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310642794.7A CN104676576B (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat-exchange system with automatic medicine adding apparatus |
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| Publication Number | Publication Date |
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| CN104676576A CN104676576A (en) | 2015-06-03 |
| CN104676576B true CN104676576B (en) | 2016-06-08 |
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| CN201310642794.7A Active CN104676576B (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat-exchange system with automatic medicine adding apparatus |
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| CN109868891A (en) * | 2017-12-04 | 2019-06-11 | 湖北省专用汽车研究院 | A kind of vehicular dredging desliming vehicle intelligence control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000356305A (en) * | 1999-06-15 | 2000-12-26 | Tlv Co Ltd | Condensate recovery device |
| JP2001293477A (en) * | 2000-04-14 | 2001-10-23 | Japan Organo Co Ltd | Deionized water making device |
| CN101045572A (en) * | 2006-03-31 | 2007-10-03 | 栗田工业株式会社 | Treatment method and device for water system of purified water boiler |
| CN1919743B (en) * | 2006-09-15 | 2010-10-27 | 山东金宇轮胎有限公司 | Recovery processing system for steam condensate |
| CN203731376U (en) * | 2013-12-02 | 2014-07-23 | 逸盛大化石化有限公司 | Steam condensate heat exchange system equipped with automatic medicine adding device |
-
2013
- 2013-12-02 CN CN201310642794.7A patent/CN104676576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000356305A (en) * | 1999-06-15 | 2000-12-26 | Tlv Co Ltd | Condensate recovery device |
| JP2001293477A (en) * | 2000-04-14 | 2001-10-23 | Japan Organo Co Ltd | Deionized water making device |
| CN101045572A (en) * | 2006-03-31 | 2007-10-03 | 栗田工业株式会社 | Treatment method and device for water system of purified water boiler |
| CN1919743B (en) * | 2006-09-15 | 2010-10-27 | 山东金宇轮胎有限公司 | Recovery processing system for steam condensate |
| CN203731376U (en) * | 2013-12-02 | 2014-07-23 | 逸盛大化石化有限公司 | Steam condensate heat exchange system equipped with automatic medicine adding device |
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| CN104676576A (en) | 2015-06-03 |
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