CN207699540U - Landfill gas pretreatment unit with desulfurization and desilication device - Google Patents
Landfill gas pretreatment unit with desulfurization and desilication device Download PDFInfo
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- CN207699540U CN207699540U CN201721505823.5U CN201721505823U CN207699540U CN 207699540 U CN207699540 U CN 207699540U CN 201721505823 U CN201721505823 U CN 201721505823U CN 207699540 U CN207699540 U CN 207699540U
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- gas
- filter
- heat exchanger
- roots blower
- temperature 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a kind of landfill gas pretreatment unit with desulfurization and desilication device, including：Sequentially connected desulfurizer, desilication device, first filter, heat exchanger, gas-liquid separator, roots blower, radiator, second filter and air accumulator, it is parallel to the return-air duct of the roots blower, the first valve being set on the return-air duct, the first pressure sensor being set between second filter and the air accumulator, first temperature sensor and gas analyzer, controller, with the first filter, heat exchanger, gas-liquid separator, roots blower, radiator, second filter, first valve, first pressure sensor, first temperature sensor is connected with gas analyzer, defoaming plate is additionally provided on the gas-liquid interface of the gas-liquid separator.Landfill gas pretreatment unit provided by the utility model with desulfurization and desilication device, solve the problems, such as landfill gas tolerance it is a wide range of in variation or tolerance is excessive, air source air pressure is unstable, unsafe.
Description
Technical field
The utility model is related to gas treatment equipment technical fields, specifically, being a kind of with desulfurization and desilication device
Landfill gas pretreatment unit.
Background technology
In China, current 70% or more domestic waste is all to transport local garbage loading embeading treatment plant after collection and fill out
Bury processing.During garbage loading embeading, the organic matter in rubbish, which can ferment, produces a large amount of biogas (landfill gas).Rubbish natural pond
The features such as gas has high heating value, and the capability of antidetonance is preferable, is a kind of good clean fuel.If these biogas are directly discharged to greatly
In gas, not only it can cause environmental pollution and a kind of energy waste.Landfill gas power generation use marsh gas of rubbish collect and
Using theory, by marsh gas of rubbish collection system, transport system, methane purifying system and methane power generating system, by marsh gas of rubbish
Full utilization generates electric power, is incorporated among urban distribution network, and clean energy resource is provided to power consumer.Landfill gas power generation is one
Kind can efficiently use the power generation of exhaust gas resource and reduce the harmless treatment mode of air pollution.
With social development, city group is increasing, and the quantity of refuse of generation is also more and more.It is generated in refuse landfill
Landfill gas tolerance it is also increasing, many landfill yards have begun to use electricity generation unit, or even several hairs in parallel simultaneously
Motor group generates electricity.But the tolerance and land-fill method and environment temperature that garbage loading embeading generates have much relations.Previous landfill
Gas pretreating system processing landfill gas is narrow-minded, air source air pressure fluctuation is big, be not sufficiently stable, can not meet the tolerance of generating set
Demand and the requirement of gas pressure equistability.Simultaneously because whole system works under the conditions of having pressure, there is also insecurity etc.
Problem.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of pre-processed with the landfill gas of desulfurization and desilication device to fill
Set, solve landfill gas tolerance it is a wide range of in variation or tolerance is excessive, air source air pressure is unstable, unsafe problem.
In order to solve the above technical problems, the utility model provide it is a kind of with the landfill gas of desulfurization and desilication device pre-process
Device, including：Sequentially connected desulfurizer, desilication device, first filter, heat exchanger, gas-liquid separator, Luo Cifeng
Machine, radiator, the second filter and air accumulator, are parallel to the return-air duct of the roots blower, are set to the return-air duct
On the first valve, be set to first pressure sensor between second filter and the air accumulator, the first temperature passes
Sensor and gas analyzer, controller, with the first filter, heat exchanger, gas-liquid separator, roots blower, radiator,
Second filter, the first valve, first pressure sensor, the first temperature sensor are connected with gas analyzer, wherein described de-
Sulphur device includes at least two digesters, and the desilication device includes at least two desiliconization tanks, the gas-liquid of the gas-liquid separator
Defoaming plate is additionally provided on interface.
Further, the foaming structure for defoaming plate and including rigid core and being coated on the outside of core.
Further, the core of the defoaming plate is irony.
Further, the defoaming plate is to be closed by chain by the plate unit of fritter.
Further, at least two digesters are in parallel, and at least two desiliconization tanks are in parallel.
Further, including multiple roots blowers, in parallel between multiple roots blowers.
Further, further include safety valve, be set to the outlet side of the roots blower, and connect with the controller
It connects, is used for pressure release.
Further, further include cooling water unit comprising：Energy-accumulating water tank, water pump, handpiece Water Chilling Units, second pressure sensing
Device, second temperature sensor, the inlet of the energy-accumulating water tank are connected with the liquid outlet of the heat exchanger, the energy-accumulating water tank
Liquid outlet be connected with the inlet of the handpiece Water Chilling Units through the water pump, the liquid outlet of the handpiece Water Chilling Units and the heat exchange
The inlet of device is connected, and the second pressure sensor and second temperature sensor are set to the handpiece Water Chilling Units and are handed over the heat
On pipeline between parallel operation, the water pump, handpiece Water Chilling Units, second pressure sensor and second temperature sensor respectively with the control
Device connection processed.
Further, further include condensate water pot and condensate pump, the digester, first filter, gas-liquid separator and
The liquid outlet of second filter is connect with the condensate water pot, and the condensate water pot is drained by the condensate pump.
Further, further include fluid level controller, be set to inside the condensate water pot, and connect with the condensate pump
It connects.
Landfill gas pretreatment unit provided by the utility model with desulfurization and desilication device, it is large-minded to solve landfill gas
Change in range or tolerance is excessive, air source air pressure is unstable, unsafe problem.
Description of the drawings
Fig. 1 is landfill gas pretreatment unit ground structure schematic diagram of the utility model with desulfurization and desilication device.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
A kind of landfill gas pretreatment unit with desulfurization and desilication device, as shown in Figure 1, including：Sequentially connected desulfurization
Device, desilication device, first filter, heat exchanger, gas-liquid separator, roots blower, radiator, the second filter and gas storage
Tank is parallel to the return-air duct of the roots blower, and the first valve being set on the return-air duct is set to described second
First pressure sensor, the first temperature sensor between filter and the air accumulator and gas analyzer, (figure is not for controller
Show), with the first filter, heat exchanger, gas-liquid separator, roots blower, radiator, the second filter, the first valve,
First pressure sensor, the first temperature sensor are connected with gas analyzer, wherein the desulfurizer includes at least two de-
Sulphur tank, the desilication device include at least two desiliconization tanks.Defoaming plate is additionally provided on the gas-liquid interface of the gas-liquid separator.
Landfill gas enters first filter after digester desulfurization and desiliconization tank desiliconization and carries out primary filter, will be in landfill gas
The dust and drop of bulky grain are removed；Subsequently into heat exchanger, gas is buried in a heat exchanger and is cooled down, generate a large amount of
Condensed water is discharged from the outlet of heat exchanger bottom；Fine drop is removed with air-flow in gas-liquid separator, it is ensured that water removal effect
Fruit；Dewatered landfill gas can be manually set by roots blower supercharging output, roots blower outlet pressure, and roots blower uses
Frequency control；Landfill gas after supercharged can be adjusted simultaneously with heating by the temperature signal of the first temperature sensor feedback
Section has the function that adjust temperature；Landfill gas finally passes through the second filter, removes the tiny dust of landfill gas and then enters storage
In gas tank；Air accumulator plays the purpose of voltage stabilizing buffering, the stability of air source is kept, to reach jet dynamic control to GAS QUALITY
It is required that.
In the present embodiment, first filter is coarse filter, can filter 10 microns of particle, and the second filter is smart mistake
Filter, can filter diameter be 3 microns of particle, both for commercial product, as Xinxiang Hai Te filters Co., Ltd produces
Air filter；Gas analyser is commercial product, can in detection gas methane content, holding high and sold for company such as Shenzhen
Gas analysis module；Controller respectively with each pressure sensor, each temperature sensor, roots blower, heat exchanger, water pump, dissipate
Hot device is connected with gas analyser, and the gas index fed back according to each sensor and gas analyser carries out each electric elements
Control, to be controlled overall work comprehensively, it is noted that the controller is commercial product, such as factory of Siemens
The controller of the model S7-200 of family's production.
In the present embodiment, the core for defoaming plate is irony.Preferably, core surface also has the orientation knot for protruding its surface
Structure.It is further preferred that the length of protrusion part is 0.01-0.03mm.This programme is by using the appropriate fiber for protruding length
Enhance transition structure (protrusion part), protrusion is in the specific length of core surface, to be formed between core and surrounding layer
" pinning " appropriate, and by the control to the length, too short and " pinning " effect unobvious are avoided, to company between the two
It is not notable and influence the performance of product to connect humidification, while avoiding long with when using long middle stress and on prominent boundary
Larger torque but protruding portion are formed at face to be broken in interface, to influence whole performance, are thus grown herein
Be under degree has fabulous combination reinforcing property, and the wear-resistant and corrosive nature of reinforcing material between the two, and avoids
The splitting of material.Meanwhile the pinned structure can also effectively optimize the defect of the outer holding structure of defoaming plate, to carry
Rise the overall corrosion resistance energy of defoaming plate.And it is miniature at edge to go out to be formed more unique edge with the pinned structure
Broached-tooth design enhances the effect of defoaming to generate effective shearing effect.It is further preferred that fiber reinforcement transition structure
Oriented fibrous structure be the iron amalgam being at least partially oriented.Induction face is formed with irony thin layer with the porous surface of agent structure
And further brushing mercury salt solution, to realize the formation of iron amalgam, at the same by solution concentration and environment temperature to
It realizes and is orientated.In the program by using surface growth iron amalgam, to improve Surface binding energy power, with consolidating for growth
State enhancing structure, to promote anticorrosion antiwear performance, extends the use of product to improve the binding performance with externally-packed structure
Service life.Defoaming plate is to be closed by chain by the plate unit of fritter.Boundary length, and the unique sawtooth in matched edges can be increased
To effectively enhance defoaming effect.
The present embodiment at least two digesters are in parallel in an optional embodiment, at least two desiliconization tanks are simultaneously
Connection.
Desulfurization medium is housed to the present embodiment, equipped with de- in the desiliconization tank in digester described in an optional embodiment
Silicon medium.
The present embodiment in an optional embodiment, the landfill gas pretreatment unit with desulfurization and desilication device includes multiple
Roots blower, as shown in Figure 1, in parallel between multiple roots blowers, first pressure sensor passes the pressure signal of gas
It is defeated by controller, controller receives pressure signal and carries out feedback regulation.When large-minded, increase roots blower work, when pressure is big,
The first valve in return-air duct is opened, and air-flow flows back into air inlet from the gas outlet of roots blower.
The present embodiment in an optional embodiment, further include safety valve, be set to the outlet side of the roots blower,
And connect with the controller, when gas outlet pressure is more than certain value, controller controls safety valve and opens, and carries out pressure release.
The present embodiment in an optional embodiment, further include cooling water unit comprising：Energy-accumulating water tank, water pump, cold water
Unit, second pressure sensor, second temperature sensor, the liquid outlet of the inlet of the energy-accumulating water tank and the heat exchanger
It is connected, the liquid outlet of the energy-accumulating water tank is connected through the water pump with the inlet of the handpiece Water Chilling Units, the handpiece Water Chilling Units
Liquid outlet is connected with the inlet of the heat exchanger, and the second pressure sensor and second temperature sensor are set to described
On pipeline between handpiece Water Chilling Units and the heat exchanger, the water pump, handpiece Water Chilling Units, second pressure sensor and second temperature
Sensor is connect with the controller respectively.
The present embodiment in an optional embodiment, further include condensate water pot and condensate pump, the digester, the first mistake
The liquid outlet of filter, gas-liquid separator and the second filter is connect with the condensate water pot, and the condensate water pot passes through described
Condensate pump drains.
The present embodiment in an optional embodiment, further include fluid level controller, be set to inside the condensate water pot,
And it is connect with the condensate pump.
The present embodiment in an optional embodiment, further include the first spark arrester and the second spark arrester, first back-fire relief
Device is set between landfill yard and the digester, and second spark arrester is set to the air accumulator and between gas unit.
The present embodiment in an optional embodiment, further include third pressure sensor and third temperature sensor, set
It is placed between first spark arrester and the first filter, and is connect respectively with the controller.
Landfill gas pretreatment unit provided by the utility model with desulfurization and desilication device, it is large-minded to solve landfill gas
Change in range or tolerance is excessive, air source air pressure is unstable, unsafe problem.
The protection scope of the utility model is not limited thereto.Those skilled in the art are in the utility model on the basis of institute
The equivalent substitute of work or transformation, both are within the protection scope of the present invention.The scope of protection of the utility model is wanted with right
It asks subject to book.
Claims (1)
1. a kind of landfill gas pretreatment unit with desulfurization and desilication device, which is characterized in that including：
Sequentially connected desulfurizer, desilication device, first filter, heat exchanger, gas-liquid separator, roots blower, heat dissipation
Device, the second filter and air accumulator, wherein the desulfurizer includes at least two digesters, and the desilication device includes extremely
Few two desiliconization tanks, at least two digester is in parallel, and at least two desiliconizations tank is in parallel, and the roots blower is more
It is a, it is in parallel between multiple roots blowers；
It is parallel to the return-air duct of the roots blower；
The first valve being set on the return-air duct；
First pressure sensor, the first temperature sensor and the gas being set between second filter and the air accumulator
Analyzer；
Controller, with the first filter, heat exchanger, gas-liquid separator, roots blower, radiator, the second filter,
One valve, first pressure sensor, the first temperature sensor are connected with gas analyzer；
Defoaming plate is additionally provided on the gas-liquid interface of the gas-liquid separator, the defoaming plate is to be closed by chain by the plate unit of fritter
It forms, the core of the foaming structure for defoaming plate and including rigid core and being coated on the outside of core, the defoaming plate is iron
Matter；
Safety valve is set to the outlet side of the roots blower, and is connect with the controller, is used for pressure release；
Cooling water unit comprising：Energy-accumulating water tank, water pump, handpiece Water Chilling Units, second pressure sensor, second temperature sensor, institute
The inlet for stating energy-accumulating water tank is connected with the liquid outlet of the heat exchanger, the liquid outlet of the energy-accumulating water tank through the water pump with
The inlet of the handpiece Water Chilling Units is connected, and the liquid outlet of the handpiece Water Chilling Units is connected with the inlet of the heat exchanger, described
Second pressure sensor and second temperature sensor are set on the pipeline between the handpiece Water Chilling Units and the heat exchanger, institute
Water pump, handpiece Water Chilling Units, second pressure sensor and second temperature sensor is stated to connect with the controller respectively；
Condensate water pot and condensate pump, the digester, first filter, gas-liquid separator and the second filter liquid outlet
It is connect with the condensate water pot, the condensate water pot is drained by the condensate pump；
Fluid level controller is set to inside the condensate water pot, and is connect with the condensate pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505823.5U CN207699540U (en) | 2017-11-13 | 2017-11-13 | Landfill gas pretreatment unit with desulfurization and desilication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505823.5U CN207699540U (en) | 2017-11-13 | 2017-11-13 | Landfill gas pretreatment unit with desulfurization and desilication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207699540U true CN207699540U (en) | 2018-08-07 |
Family
ID=63022415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721505823.5U Active CN207699540U (en) | 2017-11-13 | 2017-11-13 | Landfill gas pretreatment unit with desulfurization and desilication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207699540U (en) |
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2017
- 2017-11-13 CN CN201721505823.5U patent/CN207699540U/en active Active
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