CN203731376U - Steam condensate heat exchange system equipped with automatic medicine adding device - Google Patents
Steam condensate heat exchange system equipped with automatic medicine adding device Download PDFInfo
- Publication number
- CN203731376U CN203731376U CN201320787024.7U CN201320787024U CN203731376U CN 203731376 U CN203731376 U CN 203731376U CN 201320787024 U CN201320787024 U CN 201320787024U CN 203731376 U CN203731376 U CN 203731376U
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- Prior art keywords
- lime set
- pump
- condensate
- supervisor
- control valve
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Abstract
The utility model, belonging to the chemical processing field, discloses a steam condensate heat exchange system equipped with an automatic medicine adding device. The steam condensate heat exchange system comprises a condenser, a condensate main pipe, a pump, a medicine adding device, a control valve, condensate branch pipes and heat exchangers. One end of the condensate main pipe is equipped with a steam inlet. At the steam inlet, the condensate main pipe is successively communicated with the condenser and the pump. The condensate main pipe, also connected with a water outlet end of the pump, is communicated with the parallel condensate branch pipes. Each condensate branch pipe is connected with one corresponding heat exchanger. Tail ends of all the condensate branch pipes are mutually communicated, and the condensate branch pipes are connected with a user terminal via a connecting pipeline. The opening degree of a medicine adding control valve can be automatically adjusted in real time. Problems that medicine adding cannot be achieved by heat exchangers that are far away from the medicine adding device due to different positions of the heat exchangers and different flowing directions of medicines are solved.
Description
Technical field
The utility model relates to a kind of steam condensate heat-exchange system, relates in particular to a kind of steam condensate heat-exchange system with automatic medicine adding apparatus.
Background technology
Along with industrial development, energy problem receives people's concern day by day.At present, the steam in many chemical plant all adopts circular treatment and utilization.But steam, by condenser condenses, may contain O in condensate water
2, CO
2and SiO
2deng impurity, dissolved oxygen wherein easily causes pipeline and equipment corrosion, the SiO containing in water
2easily form fouling, and dissolve in the CO in condensate water
2form weak electrolyte H
2cO
3, H
2cO
3be decomposed into H
+and HCO
3 -thereby, affect 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 in condensate water or eliminate the CO in condensate water
2and O
2method be to dosing in lime set.Existing technology is located at lime set arm place by chemicals dosing plant, respectively to each lime set arm dosing, chemicals dosing plant is provided with a plurality of arms, each arm is provided with control valve, it not only controls complexity, and because the position of heat exchanger is different, its dose flows to different, may cause cannot dosing apart from doser heat exchanger far away problem.
Utility model content
The problem existing in order to solve above-mentioned prior art, the purpose of this utility model is that a kind of steam condensate heat-exchange system that has autonomous interpolation and automatically control medicine addition function will be provided.
To achieve these goals, the technical scheme that the utility model adopts is:
With a steam condensate system for automatic medicine adding apparatus, comprise 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, locate, lime set supervisor be connected with condenser and pump successively, the lime set connected with pumping water end (W.E.) is responsible for again the lime set arm parallel with a group and is communicated with, on described lime set arm, be connected with heat exchanger, and the terminal of lime set arm is interconnected, and be connected with user side by a connecting pipe;
One group of described parallel lime set arm at least comprises two lime set arms;
Described with pump the lime set supervisor that water end (W.E.) is connected and by connecting pipe, be connected with chemicals dosing plant again;
On described pump and the supervisor of the lime set between chemicals dosing plant, flow detector is also housed;
A control valve is equipped with in described chemicals dosing plant and lime set supervisor's junction;
Described flow detector, controller and control valve form interpolation pharmaceutical quantities open-loop control system, the output of flow detector is connected with the input of controller, flow detector inputs to controller by the flow value of detection, controller obtains output quantity by built-in algorithms computing, the output of controller is connected with the input of control valve, make the controller output quantity aperture of adjusting control valve in real time, in order to control chemicals dosing plant to the dosage that adds medicament in lime set house steward;
Further, described medicament is oxygen scavenger, pH value conditioning agent and the agent of clear pot;
Further, PH conditioning agent is neutralizing amine;
Further, described pump is centrifugal pump.
The beneficial effects of the utility model are:
In native system, chemicals dosing plant efferent duct is provided with autocontrol valve, and by adding pharmaceutical quantities open-loop control system, adjusting control valve aperture, reaches and add the self-regulating object of pharmaceutical quantities in real time, has improved the automaticity of producing;
In native system, chemicals dosing plant is directly connected with lime set supervisor by connecting pipe, make medicine directly be 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 a plurality of arms, each arm is provided with control valve " compare, native system directly adds medicine to lime set supervisor, avoided, on each arm, control valve is set, make valve control a complicated difficult problem, also solved because the position of heat exchanger is different simultaneously, its dose flows to different, the distance chemicals dosing plant that causes heat exchanger far away cannot dosing problem.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present utility model;
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.
The specific embodiment
In order further to explain, be described as follows the utility model 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, comprises condenser 1, lime set supervisor 2, pump 3, chemicals dosing plant 4, control 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, locate, lime set supervisor 2 is connected with condenser 1 and pump 3 successively, the lime set connected with the pump 3 water sides supervisor 2 again lime set arm 6 parallel with a group is communicated with, on described lime set arm 6, be connected with heat exchanger 7, and the terminal of lime set arm 6 is interconnected, and be connected with user side 8 by a connecting pipe;
One group of described parallel lime set arm 6 at least comprises two lime set arms;
The described lime set being connected with pump 3 water sides supervisor 2 is connected with chemicals dosing plant 4 by connecting pipe again;
On described pump 3 and the supervisor of the lime set between chemicals dosing plant 42, flow detector is also housed;
Described chemicals dosing plant 4 is equipped with a control valve 5 with lime set supervisor 2 junction;
Described flow detector, controller and control valve 5 form interpolation pharmaceutical quantities open-loop control system, the output of flow detector is connected with the input of controller, flow detector inputs to controller by the flow value of detection, controller obtains output quantity by built-in algorithms computing, the output of controller is connected with the input of control valve 5, make the controller output quantity aperture of adjusting control valve 5 in real time, in order to control chemicals dosing plant 4 to the dosage that adds medicament in lime set house steward 2;
Further, described medicament is oxygen scavenger, pH value conditioning agent and the agent of clear pot;
Further, PH conditioning agent 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 place, steam inlet, through this part lime set supervisor 2 bufferings, enter condenser 1 and carry out condensation, steam becomes lime set after condensation, by pump 3, pumped to lime set and be responsible for again, lime set is in mobile process, chemicals dosing plant 4 is by the tube connector with lime set supervisor 2, lime set in lime set supervisor 2 is added medicament, add the dosage of medicament according to the condensate flow of flow detector detection, by described interpolation pharmaceutical quantities open-loop control system, undertaken in real time, 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, by connecting pipe, flow to user side 8.
Embodiment 2:
A vapor-recovery system, comprises condenser 1, lime set supervisor 2, pump 3, chemicals dosing plant 4, control 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, locate, lime set supervisor 2 is connected with condenser 1 and pump 3 successively, the lime set connected with the pump 3 water sides supervisor 2 again lime set arm 6 parallel with a group is communicated with, on described lime set arm 6, be connected with heat exchanger 7, and the terminal of lime set arm 6 is interconnected, and be connected with user side 8 by a connecting pipe;
One group of described parallel lime set arm 6 at least comprises two lime set arms;
The described lime set being connected with pump 3 water sides supervisor 2 is connected with chemicals dosing plant 4 by connecting pipe again.
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 place, steam inlet, through this part lime set supervisor 2 bufferings, enter condenser 1 and carry out condensation;
B, steam become lime set after condensation, are pumped to lime set supervisor 2 again by pump 3, and lime set is in mobile process, and chemicals dosing plant 4 is by the tube connector with lime set supervisor 2, and the lime set in lime set supervisor 2 is added medicament;
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, and the steam that the tail gas after heat exchange and lime set flash off, flows to user side 8 by connecting pipe.
Described medicament is oxygen scavenger, pH value conditioning agent and the agent of clear pot.
Described PH conditioning agent is neutralizing amine.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (2)
1. with a steam condensate heat-exchange system for automatic medicine adding apparatus, it is characterized in that: comprise condenser (1), lime set supervisor (2), pump (3), chemicals dosing plant (4), control 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, locate, lime set supervisor (2) is connected with condenser (1) and pump (3) successively, the lime set connected with pump (3) water side supervisor (2) the again lime set arm (6) parallel with a group is communicated with, on described lime set arm (6), be connected with heat exchanger (7), and the terminal of lime set arm (6) is interconnected, and be connected with user side (8) by a connecting pipe;
One group of described parallel lime set arm (6) at least comprises two lime set arms;
The described lime set being connected with pump (3) water side supervisor (2) is connected with chemicals dosing plant (4) by connecting pipe again;
On lime set supervisor (2) between described pump (3) and chemicals dosing plant (4), flow detector is also housed;
Described chemicals dosing plant (4) is equipped with a control valve (5) with lime set supervisor's (2) junction;
Described flow detector, controller and control valve (5) form interpolation pharmaceutical quantities open-loop control system, the output of flow detector is connected with the input of controller, flow detector inputs to controller by the flow value of detection, controller obtains output quantity by built-in algorithms computing, the output of controller is connected with the input of control valve (5), make the controller output quantity aperture of adjusting control valve (5) in real time, in order to control chemicals dosing plant (4) to the middle dosage that adds medicament of lime set house steward (2).
2. the steam condensate heat-exchange system with automatic medicine adding apparatus according to claim 1, is characterized in that: described pump (3) is centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787024.7U CN203731376U (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat exchange system equipped with automatic medicine adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787024.7U CN203731376U (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat exchange system equipped with automatic medicine adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731376U true CN203731376U (en) | 2014-07-23 |
Family
ID=51201445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320787024.7U Withdrawn - After Issue CN203731376U (en) | 2013-12-02 | 2013-12-02 | Steam condensate heat exchange system equipped with automatic medicine adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676576A (en) * | 2013-12-02 | 2015-06-03 | 逸盛大化石化有限公司 | Steam condensate heat exchange system with automatic agent-feeding device |
-
2013
- 2013-12-02 CN CN201320787024.7U patent/CN203731376U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676576A (en) * | 2013-12-02 | 2015-06-03 | 逸盛大化石化有限公司 | Steam condensate heat exchange system with automatic agent-feeding device |
| CN104676576B (en) * | 2013-12-02 | 2016-06-08 | 逸盛大化石化有限公司 | Steam condensate heat-exchange system with automatic medicine adding apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |