CN209053717U - A kind of CHP unit self-draining arrangement - Google Patents
A kind of CHP unit self-draining arrangement Download PDFInfo
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- CN209053717U CN209053717U CN201821768474.0U CN201821768474U CN209053717U CN 209053717 U CN209053717 U CN 209053717U CN 201821768474 U CN201821768474 U CN 201821768474U CN 209053717 U CN209053717 U CN 209053717U
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- liquid level
- drainpipe
- flue gas
- solenoid valve
- level sensor
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a kind of CHP unit self-draining arrangements, belong to CHP machine set technology field, including drainpipe, solenoid valve, flue gas pipeline, bypass liquid level tube and liquid level sensor, the bypass liquid level tube is connected to the drainpipe between the flue gas pipeline and the solenoid valve；The liquid level sensor is set to the bypass liquid level tube, and the liquid level sensor is connect by controlling cable with the solenoid valve, is provided with time-delay relay in the controlling cable；When the condensation water quantity stored in the drainpipe reaches the alarm water level of the liquid level sensor, the liquid level sensor controls solenoid valve by the controlling cable and opens；When condensed water liquid level drops to the lowest water level of the liquid level sensor in the drainpipe, the liquid level sensor controls the solenoid valve time-delay closing by the controlling cable and the time-delay relay.The utility model realizes the automatic-discharging of condensed water in flue gas pipeline, ensures that equipment is run reliably and with long-term.
Description
Technical field
The utility model belongs to CHP machine set technology field more particularly to a kind of CHP unit self-draining arrangement.
Background technique
Contain certain sour gas and a large amount of vapor in the flue gas of CHP unit discharge, when it is in flue gas pipeline
Temperature be down to vapor dew point or less after, just will form a large amount of condensed water, and in acidity, it is cold that this part is such as discharged not in time
Condensate, prolonged stay will corrode pipeline and waste heat equipment in flue gas pipeline, and reduce equipment uses time and reliability etc..
Therefore, it is necessary to be discharged in time to the condensed water in flue gas pipeline.
For convenience of understanding, now part relational language is explained as follows:
CHP: full name Combined Heat and Power, cogeneration abbreviation, distributed energy equipment.Fuel gas generation
While unit provides a user power supply, unit high-temperature flue gas and cylinder sleeve of engine water provide a user heat by waste heat equipment
Can, mode that is this while providing electric energy and thermal energy is referred to as cogeneration.
Dew point: moisture content is constant in air, in the case where keeping air pressure certain, when air cooling being made to reach saturation
Temperature claims dew-point temperature, abbreviation dew point.It is popular say as condensation vapor be dewdrop when temperature.
As shown in Figure 1, the prior art provide a kind of CHP unit flue gas pipeline self-draining arrangement, by drainpipe 100,
Solenoid valve 200, flue gas pipeline 300 and timer 400 form.The condensed water generated in flue gas pipeline 300 is controlled by timer 400
Timing drainage is realized in the unlatching of solenoid valve 200 processed, shut-in time.User can be according to the condensed water generated in flue gas pipeline 300
The time of the artificial setting timer 400 of amount, when timer 400 reaches setting time, control solenoid valve 200 is opened or closed,
Realize the automatic-discharging of condensed water in flue gas pipeline 300.
Using timer 400 and cooperation control 300 condensed water elimination of flue gas pipeline of solenoid valve 200, timing may be implemented and arrange
Water purpose.But the vapor when ambient temperature is lower, and humidity is larger or in flue gas it is more when, flue gas pipeline
The condensation water quantity generated in 300 can vary widely, and the solenoid valve 200 that timer 400 was set originally opens and closes the time
The a large amount of condensed waters that may result in flue gas pipeline 300 can not be discharged in time, and condensed water is caused to flow back into along flue gas pipeline 300
Engine damages engine.
Meanwhile when user resets timer 400 and opens and closes 200 time of solenoid valve, user needs to connect in advance
The information of condensed water yield variation, and 400 time of time update timer are received, operating process is complex, needs user
It monitors condensed water yield in real time, it is poor to be not easy to the timely emission control of condensed water, operability in flue gas pipeline 300.
Utility model content
In view of the above problems, the technical problem to be solved by the utility model is to provide a kind of CHP unit Auto-drainage dresses
It sets, the automatic-discharging of condensed water in flue gas pipeline may be implemented, ensure the operation reliably and with long-term of CHP unit equipment.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of CHP unit self-draining arrangement, packet
Include: drainpipe, solenoid valve and flue gas pipeline, the drainpipe be installed on the lowest part of the flue gas pipeline and with the fume pipe
Road connection, the solenoid valve are set to the drainpipe, and the self-draining arrangement further includes
Liquid level tube is bypassed, the bottom of the bypass liquid level tube is connected between the flue gas pipeline and the solenoid valve
The drainpipe upwardly extends at the top of the bypass liquid level tube；
Liquid level sensor, the liquid level sensor are set to the bypass liquid level tube, and the liquid level sensor passes through control
Cable is connect with the solenoid valve, is provided with time-delay relay in the controlling cable；
When the condensation water quantity stored in the drainpipe reaches the alarm of liquid level sensor described in the bypass liquid level tube
When water level, the liquid level sensor controls the solenoid valve by the controlling cable and opens, and condensed water is discharged；When the draining
When condensed water liquid level drops to the lowest water level of the liquid level sensor in pipe, the liquid level sensor passes through the controlling cable
The solenoid valve time-delay closing is controlled with the time-delay relay.
As an improvement the angle between the entrance pipeline section and the flue gas pipeline of the drainpipe is acute angle.
As an improvement the bottom of the bypass liquid level tube tilts down setting.
As an improvement the tail end of the drainpipe has water seal bend loss.
As a further improvement, the water seal bend loss is S-type.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
CHP unit self-draining arrangement provided by the utility model, due to devising liquid level sensor and time-delay relay,
Liquid level sensor can according to the yield and speed of condensed water in flue gas pipeline, the opening time of automatic regulating electromagnetic valve, and
When condensed water liquid level is reduced to lowest water level, the time-delay closing for realizing solenoid valve is acted on by time-delay relay, ensure that cold
The complete discharge of condensate.The utility model and existing timer and solenoid valve block at self-draining arrangement compared with, be not necessarily to
Manually according to condensation water quantity set and correct pipeline water discharge time, will not because caused by electromagnetism valve opening time problem condensed water exist
Delay in flue gas pipeline and flow back into engine interior.
CHP unit self-draining arrangement provided by the utility model, realizes to the automatic, timely of flue gas pipeline condensed water
Discharge reduces residence time of the condensed water in flue gas pipeline, can effectively reduce condensed water to flue gas pipeline and CHP unit waste heat
The corrosion of equipment improves equipment and uses time and operational reliability.
Since the angle between the entrance pipeline section and the flue gas pipeline of the drainpipe is acute angle, so that drainpipe enters
Mouth pipeline section is obliquely installed, and is reduced flue gas to the greatest extent and is entered in drainpipe.
Since the bottom of the bypass liquid level tube tilts down setting, it is ensured that condensed water is smoothly discharged.
Since the tail end of the drainpipe has water seal bend loss, water seal liquid level can be formed, prevents from generating in unit operation
Harmful smoke pass through drainpipe and be discharged, reduce harm of the flue gas to user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the CHP unit flue gas pipeline self-draining arrangement that the prior art provides；
Fig. 2 is the structural schematic diagram of CHP unit self-draining arrangement provided by the utility model；
In figure: 100- drainpipe, 200- solenoid valve, 300- flue gas pipeline, 400- timer；
1- drainpipe, 11- entrance pipeline section, 12- water seal bend loss, 2- solenoid valve, 3- flue gas pipeline, 4- bypass liquid level tube,
5- liquid level sensor, 6- controlling cable, 7- time-delay relay；
Hollow arrow represents the flow direction of flue gas in Fig. 1 and Fig. 2.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Fig. 2, a kind of CHP unit self-draining arrangement, comprising: drainpipe 1, solenoid valve 2, flue gas pipeline 3, bypass
Liquid level tube 4 and liquid level sensor 5.Drainpipe 1 is installed on the lowest part of flue gas pipeline 3 and is connected to flue gas pipeline 3, solenoid valve 2
It is set to drainpipe 1.
Drainpipe 1 of the bottom connection of liquid level tube 4 between flue gas pipeline 3 and solenoid valve 2 is bypassed, liquid level tube 4 is bypassed
Top upwardly extend.In order to guarantee to bypass 4 inside and outside air pressure balance of liquid level tube, prevents from forming vacuum, bypass the top of liquid level tube 4
It is provided with air hole (not shown), the diameter very little of air hole, it is possible to prevente effectively from flue gas is discharged.
Liquid level sensor 5 is set to bypass liquid level tube 4, and liquid level sensor 5 is connect by controlling cable 6 with solenoid valve 2, controls
Time-delay relay 7 is provided on cable 6 processed.
Angle between the entrance pipeline section 11 and flue gas pipeline 3 of drainpipe 1 is acute angle.Hollow arrow represents flue gas in Fig. 2
Flow direction, along flow of flue gas direction, the entrance pipeline section 11 of drainpipe 1 tilts backwards setting, can reduce flue gas to the greatest extent and enter row
In water pipe 1.
The bottom of bypass liquid level tube 4 tilts down setting, it is ensured that condensed water is smoothly discharged.
The harmful smoke generated in unit operation in order to prevent is discharged by drainpipe 1, reduces harm of the flue gas to user,
The tail end of drainpipe 1 has water seal bend loss 12, it is preferred that water seal bend loss 12 is S-type.Water seal bend loss 12 can form water seal
Liquid level.The water seal liquid level of water seal bend loss 12 can be according to the pressure design of flue gas in flue gas pipeline 3, and can guarantee can prevent
Under the premise of flue gas is discharged, storage condensed water few as far as possible.
Its working principles are as follows:
In use, solenoid valve 2 is in normally off；The condensed water generated in CHP unit running process, along flue gas pipeline
3 flow into drainpipe 1, when the condensation water quantity stored in drainpipe 1 reaches the alarm water of liquid level sensor 5 in bypass liquid level tube 4
When position, liquid level sensor 5 controls solenoid valve 2 by controlling cable 6 and opens, and condensed water is discharged；When condensed water liquid level in drainpipe 1
When dropping to the lowest water level of liquid level sensor 5, liquid level sensor 5 controls electricity by the controlling cable 6 and time-delay relay 7
2 time-delay closing of magnet valve, guarantees that condensed water is completely exhausted out.
It should be noted that the liquid level sensor 5 is techniques known.
CHP unit self-draining arrangement provided by the utility model, liquid level sensor 5 can be according to cold in flue gas pipeline 3
The yield and speed of condensate, the opening time of automatic regulating electromagnetic valve 2, and when condensed water liquid level is reduced to lowest water level,
The time-delay closing for realizing solenoid valve 2 is acted on by time-delay relay 7, ensure that the complete discharge of condensed water.The utility model with
Existing timer and solenoid valve block at self-draining arrangement compare, managed without manually being set and being corrected according to condensation water quantity
Road water discharge time will not start because of delay of the condensed water in flue gas pipeline caused by electromagnetism valve opening time problem and flowing back into
Inside machine.
To sum up, CHP unit self-draining arrangement provided by the utility model, realize to flue gas pipeline condensed water from
Dynamic, discharge in time, reduces residence time of the condensed water in flue gas pipeline, can effectively reduce condensed water to flue gas pipeline and CHP
The corrosion of unit waste heat equipment improves equipment and uses time and operational reliability；It can effectively prevent the row of harmful smoke simultaneously
Out, harm of the flue gas to user is reduced.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of CHP unit self-draining arrangement, comprising: drainpipe, solenoid valve and flue gas pipeline, the drainpipe are installed on institute
It states the lowest part of flue gas pipeline and is connected to the flue gas pipeline, the solenoid valve is set to the drainpipe, which is characterized in that
The self-draining arrangement further includes
Liquid level tube is bypassed, the bottom connection of the bypass liquid level tube is described between the flue gas pipeline and the solenoid valve
Drainpipe upwardly extends at the top of the bypass liquid level tube；
Liquid level sensor, the liquid level sensor are set to the bypass liquid level tube, and the liquid level sensor passes through controlling cable
It is connect with the solenoid valve, is provided with time-delay relay in the controlling cable；
When the condensation water quantity stored in the drainpipe reaches the alarm water level of liquid level sensor described in the bypass liquid level tube
When, the liquid level sensor controls the solenoid valve by the controlling cable and opens, and condensed water is discharged；When in the drainpipe
When condensed water liquid level drops to the lowest water level of the liquid level sensor, the liquid level sensor passes through the controlling cable and institute
It states time-delay relay and controls the solenoid valve time-delay closing.
2. CHP unit self-draining arrangement according to claim 1, which is characterized in that the entrance pipeline section of the drainpipe
Angle between the flue gas pipeline is acute angle.
3. CHP unit self-draining arrangement according to claim 1, which is characterized in that the bottom of the bypass liquid level tube
Tilt down setting.
4. CHP unit self-draining arrangement according to claim 1, which is characterized in that the tail end of the drainpipe has
Water seal bend loss.
5. CHP unit self-draining arrangement according to claim 4, which is characterized in that the water seal bend loss is S-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768474.0U CN209053717U (en) | 2018-10-30 | 2018-10-30 | A kind of CHP unit self-draining arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768474.0U CN209053717U (en) | 2018-10-30 | 2018-10-30 | A kind of CHP unit self-draining arrangement |
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| Publication Number | Publication Date |
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| CN209053717U true CN209053717U (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821768474.0U Active CN209053717U (en) | 2018-10-30 | 2018-10-30 | A kind of CHP unit self-draining arrangement |
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| CN (1) | CN209053717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766069A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Cold analogue means in engine |
| CN112211716A (en) * | 2020-09-14 | 2021-01-12 | 上海中船三井造船柴油机有限公司 | Condensate water discharge pipeline capable of being monitored for marine diesel engine |
-
2018
- 2018-10-30 CN CN201821768474.0U patent/CN209053717U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766069A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Cold analogue means in engine |
| CN111766069B (en) * | 2020-06-30 | 2022-03-29 | 东风商用车有限公司 | Cold analogue means in engine |
| CN112211716A (en) * | 2020-09-14 | 2021-01-12 | 上海中船三井造船柴油机有限公司 | Condensate water discharge pipeline capable of being monitored for marine diesel engine |
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