CN213020889U - Steam condensate water recycling system of horizontal rotary drying furnace - Google Patents
Steam condensate water recycling system of horizontal rotary drying furnace Download PDFInfo
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- CN213020889U CN213020889U CN202021327281.9U CN202021327281U CN213020889U CN 213020889 U CN213020889 U CN 213020889U CN 202021327281 U CN202021327281 U CN 202021327281U CN 213020889 U CN213020889 U CN 213020889U
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- drying furnace
- steam trap
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- deaerator
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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Abstract
The utility model discloses a steam condensate recycling system of a horizontal rotary drying furnace, which comprises a horizontal rotary drying furnace and a condensate water tank, wherein a tail rotary joint of the horizontal rotary drying furnace is connected with an electric steam trap through a condensate water pipeline, an outlet of the electric steam trap is connected with a deaerator through a first pipeline, an outlet of the deaerator is connected with the condensate water tank through a pipeline, an inlet of the deaerator is also provided with a desalted water pipeline, the electric steam trap is provided with an electric steam trap control system, and the deaerator is provided with a deaerator pressure control system; the utility model discloses utilize electronic steam trap to replace original mechanical steam trap, make electronic steam trap and drying furnace in heat transfer steam set up the balance according to the parameter setting, improve saturated steam's utilization efficiency, utilize dry back saturated steam heat to carry out the deoxidization to the demineralized water simultaneously, utilize the demineralized water to cool down to the flash distillation steam, the secondary condensation is the condensate water, effective cyclic utilization steam condensate water.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective, concretely relates to horizontal rotary drying furnace steam condensate water cyclic utilization system.
Background
The rotary type I drying furnace is mainly used for drying coal, tubes are distributed in the drying furnace, 1.0Mpa steam is introduced into the tubes, indirect heat exchange is carried out between the steam and the coal by using the heat of the steam, the water content in the coal is reduced after the pulverized coal is heated through the indirect heat exchange, the steam after the heat exchange enters a closed condensate water recoverer after passing through a mechanical steam trap, and then the condensate water is conveyed to the next procedure through a pump. In practical use, there are the following problems:
1. the mechanical steam trap at the tail of the drying furnace needs higher steam-trapping pressure difference, and the steam trap has the problems of easy steam leakage, foreign matter blockage, direct connection and the like, so that the pressure of the condensed water recovery device is increased again, the normal heat exchange in the drying furnace is influenced, the heat balance of the drying furnace is disturbed, and the normal operation of the closed condensed water recovery device is further influenced;
2. because the pressure and the temperature of condensed water discharged by the mechanical steam trap are high, the conditions of steam resistance, water hammer and the like of a condensed water pipeline are caused, so that the condensed water pump cannot normally operate, and the potential safety hazard of a condensed water recovery pipeline is increased;
3. in the mechanical process, a steam trap carries away a large amount of steam during water drainage, the utilization efficiency of the steam is reduced, and energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a horizontal rotary drying furnace steam condensate water cyclic utilization system to solve the problem that exists among the above-mentioned prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a horizontal gyration drying furnace steam condensate water cyclic utilization system, includes horizontal gyration drying furnace, condensation water pitcher, the afterbody rotary joint of horizontal gyration drying furnace is connected with electronic hydrophobe through condensation water piping, the export of electronic hydrophobe has the oxygen-eliminating device through first tube coupling, the export of oxygen-eliminating device passes through the pipeline and is connected with the condensation water pitcher, the import of oxygen-eliminating device still is equipped with the demineralized water pipeline, be equipped with electronic hydrophobe control system on the electronic hydrophobe, be equipped with oxygen-eliminating device pressure control system on the oxygen-eliminating device.
Further, the first pipeline is provided with a drain regulating valve, the demineralized water pipeline is provided with a demineralized water regulating valve, and the drain regulating valve and the demineralized water regulating valve are respectively connected with the electric steam trap control system and the deaerator pressure control system.
The utility model has the advantages that: the electric steam trap is used for replacing the original mechanical steam trap, the electric steam trap and heat exchange steam in the drying furnace are balanced according to parameter setting, the utilization efficiency of saturated steam is improved, demineralized water effectively converts the steam into condensed water, meanwhile, the heat of the dried saturated steam is used for deoxidizing the demineralized water, the utilization efficiency of the saturated steam is improved, the demineralized water is used for cooling the flash steam, the condensate water is condensed again, and the steam condensed water is effectively recycled; parameters meeting the requirements of the production process are arranged in the electric steam trap control system and the deaerator pressure control system, so that the overall pressure and temperature are stabilized, and the requirement of heat exchange in the horizontal rotary drying furnace is met.
Drawings
Fig. 1 is a schematic structural view of the steam condensate recycling system of the horizontal rotary drying furnace of the present invention.
In the figure: 1. a horizontal rotary drying furnace; 2. a first conduit; 3. a condensed water pipeline; 4. an electrically powered steam trap; 5. an electric steam trap liquid level control system; 6. a drain regulating valve; 7. a demineralized water regulating valve; 8. a deaerator pressure control system; 9. a desalted water line; 10. a deaerator; 11. a condensate tank; 12. a condensate pump; 13. a second conduit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the steam condensate recycling system of the horizontal rotary drying furnace comprises the horizontal rotary drying furnace and a condensate tank, the tail rotary joint of the horizontal rotary drying furnace 1 is connected with an electric steam trap 4 through a condensed water pipeline 3, the outlet of the electric steam trap 4 is connected with a deaerator 10 through a first pipeline 2, the outlet of the deaerator 10 is connected with a condensed water tank 11 through a pipeline, the inlet of the deaerator 10 is also provided with a desalted water pipeline 9, the electric steam trap 4 is provided with an electric steam trap control system 5, the deaerator 10 is provided with a deaerator pressure control system 8, the first pipeline 2 is provided with a drain regulating valve 6, the demineralized water pipeline 9 is provided with a demineralized water regulating valve 7, and the drain regulating valve 6 and the demineralized water regulating valve 7 are respectively connected with the electric steam trap control system 5 and the deaerator pressure control system 8.
The utility model discloses a theory of operation is: when saturated steam and steam condensate water generated after indirect heat exchange with coal in the horizontal rotary drying furnace 1 enter the electric steam trap 4 through the condensate water pipeline 3, gas-liquid separation is carried out in the electric steam trap 4, the steam condensate water forms a liquid level in the electric steam trap 4, the electric steam trap 4 is provided with a liquid level detection device, the liquid level of the condensate water in the electric steam trap 4 is detected, and the drain regulating valve 6 is opened when the liquid level reaches a liquid level value set by the electric steam trap liquid level control system 5; the electric steam trap liquid level control system 5 sets the liquid level value of the electric steam trap 4 in the system, when the liquid level is higher than the value, the drain regulating valve 6 is opened, and when the liquid level is lower than the value, the drain regulating valve 6 is closed, so that the liquid level in the electric steam trap 4 is stabilized at a set value, and the condition that all the liquid discharged by the electric steam trap is condensed water is ensured; condensed water is discharged into a deaerator 10 through a first pipeline 2, in the process from the discharging process to the deaerator 10, the condensed water releases flash steam due to pressure reduction, the deaerator 10 is provided with a pressure detection device per se and detects the pressure in the deaerator 10, when the pressure reaches the pressure set by a deaerator pressure control system 8, a demineralized water regulating valve 7 is opened, the demineralized water is used for cooling the flash steam of the deaerator 10, the flash steam is condensed into the condensed water again, wherein the deaerator pressure control system 8 sets a pressure control value of the deaerator 10 in the system, when the pressure is higher than the pressure, the demineralized water regulating valve 7 is opened, and when the pressure is lower than the pressure, the demineralized water regulating valve 7 is closed, so that the pressure in the deaerator 10 is stabilized at a set value; utilize demineralized water to carry out the in-process that cools down to flash distillation vapour in oxygen-eliminating device 10, dissolved oxygen in demineralized water heat absorption discharge demineralized water, in the demineralized water after the deoxidization together passes through condensate water tank 11 that the pipeline got into with the comdenstion water, the comdenstion water passes through condensate water pump 12, second pipeline 13 carries to the boiler and directly uses, reduces the load of oxygen-eliminating device 10, the safety of personnel and equipment has both been guaranteed, again can effective cyclic utilization steam condensate water, the arrow in the figure shows the flow direction of comdenstion water.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a horizontal rotary drying furnace steam condensate water cyclic utilization system, includes horizontal rotary drying furnace, condensation water pitcher, its characterized in that: the utility model discloses a horizontal rotary drying furnace (1) is characterized in that the afterbody rotary joint of horizontal rotary drying furnace (1) is connected with electronic steam trap (4) through condensate water pipeline (3), the export of electronic steam trap (4) is connected with oxygen-eliminating device (10) through first pipeline (2), the export of oxygen-eliminating device (10) is passed through the pipeline and is connected with condensation water pitcher (11), the import of oxygen-eliminating device (10) still is equipped with demineralized water pipeline (9), be equipped with electronic steam trap control system (5) on electronic steam trap (4), be equipped with oxygen-eliminating device pressure control system (8) on oxygen-eliminating device (10).
2. The steam condensate recycling system of the horizontal rotary drying furnace according to claim 1, characterized in that: first pipeline (2) are equipped with drain control valve (6), demineralized water pipeline (9) are equipped with demineralized water governing valve (7), drain control valve (6), demineralized water governing valve (7) are connected with electronic steam trap control system (5), oxygen-eliminating device pressure control system (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327281.9U CN213020889U (en) | 2020-07-08 | 2020-07-08 | Steam condensate water recycling system of horizontal rotary drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327281.9U CN213020889U (en) | 2020-07-08 | 2020-07-08 | Steam condensate water recycling system of horizontal rotary drying furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN213020889U true CN213020889U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021327281.9U Active CN213020889U (en) | 2020-07-08 | 2020-07-08 | Steam condensate water recycling system of horizontal rotary drying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213020889U (en) |
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2020
- 2020-07-08 CN CN202021327281.9U patent/CN213020889U/en active Active
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