CN210332167U - Pretreatment device with modular air-cooled cold and hot water unit - Google Patents
Pretreatment device with modular air-cooled cold and hot water unit Download PDFInfo
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- CN210332167U CN210332167U CN201920746503.1U CN201920746503U CN210332167U CN 210332167 U CN210332167 U CN 210332167U CN 201920746503 U CN201920746503 U CN 201920746503U CN 210332167 U CN210332167 U CN 210332167U
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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
Abstract
The utility model relates to a take preprocessing device of modular air-cooled hot and cold water unit has connected gradually landfill gas air inlet, admission valve, first spark arrester, digester, coarse filter, liquid-gas separator, roots's fan, smart filter, discharge valve, gas holder, second spark arrester and electricity generation air feed mouth according to the pipeline, the coarse filter with be connected with modular air-cooled hot and cold water unit between the roots's fan. The utility model discloses system structure is simple, and installation space economizes, maintenance management is convenient and energy saving again. The gas cooling and heating device is used in summer and winter, the landfill gas is respectively cooled and heated in front of the Roots blower, and after cooling or heating, the quality of the landfill gas can be improved, the performance of a generator set is improved, and the power generation efficiency is improved.
Description
Technical Field
The utility model relates to a gas treatment technical field especially relates to a take preprocessing device of modular air-cooled hot and cold water unit for landfill gas.
Background
In China, at present, more than 70 percent of municipal domestic garbage is collected in a centralized manner and then transported to one or more garbage landfill treatment plants owned by local city governments for landfill treatment.
During the decomposition of the waste in landfills, large amounts of gas are produced, mainly containing carbon dioxide (CO2), methane (CH4), nitrogen (N2), hydrogen (H2) and hydrogen sulfide (H2S) and some trace gases. Among them, methane is a greenhouse gas and is also a flammable gas, and the accumulation in a landfill may cause explosion; hydrogen sulfide (H2S) and other trace gases account for a small proportion of the total gas, but because they emit malodors which severely affect the operation of the landfill and the surrounding environment, the gases generated within the landfill must be actively collected and disposed of.
After the landfill gas is collected by the landfill site, the collected landfill gas contains a large amount of mixed gas, solid particles and impurities, and the flow, pressure, temperature, concentration and the like are unstable, so that the stable and safe operation of a landfill gas generator set can be influenced if the landfill gas is directly used for gas power generation.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a pretreatment device with a modular air-cooled cold and hot water unit.
Realize the utility model discloses the technical scheme of purpose is: a pre-treatment device with a modular air-cooled cold and hot water unit is sequentially connected with a landfill gas inlet, an air inlet valve, a first flame arrester, a desulfurizing tank, a coarse filter, a liquid-gas separator, a Roots blower, a fine filter, an exhaust valve, a gas storage tank, a second flame arrester and a power generation and air supply port according to pipelines, the modular air-cooled cold and hot water unit is connected between the coarse filter and the Roots blower,
the modular air-cooled cold and hot water unit is provided with a water-gas heat exchanger, an energy storage water tank, a circulating water pump, a compressor and an auxiliary heater, wherein the water-gas heat exchanger is connected between the coarse filter and the Roots blower, the water-gas heat exchanger, the energy storage water tank, the circulating water pump, the compressor and the auxiliary heater form a hot water loop, and the water-gas heat exchanger, the energy storage water tank, the circulating water pump and the compressor form a cold water loop.
The roots blower has three in the technical scheme.
The water-gas heat exchanger is also connected with an air-cooled radiator.
According to the technical scheme, a first Y-shaped filter and an electronic descaling instrument are arranged between the circulating water pump and the energy storage water tank.
According to the technical scheme, a first butterfly valve and a second Y-shaped filter are arranged between the circulating water pump and the auxiliary heater; and a second butterfly valve is arranged between the circulating water pump and the compressor.
According to the technical scheme, an expansion water tank is arranged between the energy storage water tank and the air cooling radiator.
The compressor is a high-efficiency semi-closed screw compressor.
After the technical scheme is adopted, the utility model discloses following positive effect has:
the utility model provides a take preprocessing device of modular air-cooled hot and cold water unit, landfill gas passes through the digester earlier, adsorbs out hydrogen sulfide from landfill gas. And then the landfill gas enters a coarse filter to remove large particles, then the landfill gas passes through a water-gas heat exchanger, the temperature of the landfill gas is reduced or raised in the water-gas heat exchanger, and fine liquid drops are subjected to rotary separation in a liquid-gas separator along with airflow. And the dewatered landfill gas is subjected to pressure boosting output by Roots blowers connected in parallel. The roots's fan can adopt frequency conversion control, carries out feedback control by preprocessing device's outlet pressure signal, for avoiding fan outlet pressure too high, sets up manual regulation and electronic bypass and protects the fan on roots's ventilative and the house steward of giving vent to anger. And finally, when the waste gas enters a fine filter, fine particles in the waste landfill gas are removed, and the temperature, the pressure and the granularity required by the power generation gas supply port are finally reached. The utility model discloses be connected with modular air-cooled hot and cold water unit, inside uses the distilled water circulation, has saved many auxiliaries such as cooling tower, water pump, boiler and corresponding pipe-line system that cooling water system is essential, and system architecture is simple, and installation space is economized, maintenance management is convenient and energy saving again. The gas quality of the landfill gas can be improved after the temperature reduction or the temperature rise treatment.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a flow chart of the present invention.
In the figure: the device comprises a landfill gas inlet 1, an air inlet valve 2, a first flame arrester 3, a desulfurization tank 4, a coarse filter 5, a liquid-gas separator 6, a Roots blower 7, a fine filter 8, an exhaust valve 9, an air storage tank 10, a second flame arrester 11, a power generation and air supply port 12, a water-gas heat exchanger 101, an energy storage water tank 102, a circulating water pump 103, a compressor 104, an auxiliary heater 105, an air-cooled radiator 106, a first Y-shaped filter 107, an electronic descaling instrument 108, a first butterfly valve 110, a second Y-shaped filter 109, a second butterfly valve 111 and an expansion water tank 112.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the utility model provides a pretreatment device with modular air-cooled cold and hot water unit, which is sequentially connected with a landfill gas inlet 1, an air inlet valve 2, a first flame arrester 3, a desulfurizing tank 4, a coarse filter 5, a liquid-gas separator 6, a roots blower 7, a fine filter 8, an exhaust valve 9, an air storage tank 10, a second flame arrester 11 and a power generation air supply port 12 according to pipelines, wherein the modular air-cooled cold and hot water unit is connected between the coarse filter 5 and the roots blower 7,
the modular air-cooled water chiller-heater unit is provided with a water-gas heat exchanger 101, an energy storage water tank 102, a circulating water pump 103, a compressor 104 and an auxiliary heater 105, wherein the water-gas heat exchanger 101 is connected between the coarse filter 5 and the Roots blower 7, the water-gas heat exchanger 101, the energy storage water tank 102, the circulating water pump 103, the compressor 104 and the auxiliary heater 105 form a hot water loop, and the water-gas heat exchanger 101, the energy storage water tank 102, the circulating water pump 103 and the compressor 104 form a cold water loop.
The Roots blowers 7 are provided with three and arranged in parallel. The roots's fan can adopt frequency conversion control, carries out feedback control by preprocessing device's outlet pressure signal, for avoiding fan outlet pressure too high, sets up manual regulation and electronic bypass and protects the fan on roots's ventilative and the house steward of giving vent to anger.
The water-gas heat exchanger 101 is further connected with an air-cooled radiator 106, so that the heat exchange effect of the water-gas heat exchanger 101 is enhanced.
A first Y-shaped filter 107 and an electronic descaler 108 are arranged between the circulating water pump 103 and the energy storage water tank 102, so that the scaling of the internal water flow is prevented, and the device is protected.
A first butterfly valve 110 and a second Y-shaped filter 109 are arranged between the circulating water pump 103 and the auxiliary heater 105; a second butterfly valve 111 is arranged between the circulating water pump 103 and the compressor 104. Closing the first butterfly valve 110 in summer and opening the second butterfly valve 111; in winter, the second butterfly valve 111 is closed, and the first butterfly valve 110 is opened.
An expansion water tank 112 is arranged between the energy storage water tank 102 and the air-cooled radiator 106, and constant-pressure heat-preservation water supply is realized.
The utility model discloses a theory of operation does: the landfill gas from the landfill gas inlet 1 passes through the desulfurization tank 4 to adsorb hydrogen sulfide from the landfill gas. And then the landfill gas enters a coarse filter 5 to remove large particles, then passes through a water-gas heat exchanger 101, the landfill gas is cooled or heated in the water-gas heat exchanger 101, and fine liquid drops are subjected to rotary separation in a liquid-gas separator 6 along with air flow. The dewatered landfill gas is output after being boosted by the Roots blower 7 connected in parallel. And finally, when the waste gas enters the fine filter 8, fine particles in the waste landfill gas are removed, and the temperature, the pressure and the granularity required by the power generation gas supply port 12 are finally achieved.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a take preprocessing device of modular air-cooled hot and cold water unit which characterized in that: a landfill gas inlet (1), an air inlet valve (2), a first flame arrester (3), a desulfurizing tank (4), a coarse filter (5), a liquid-gas separator (6), a Roots blower (7), a fine filter (8), an exhaust valve (9), a gas storage tank (10), a second flame arrester (11) and a power generation and air supply port (12) are sequentially connected according to pipelines, a modular air-cooled cold and hot water unit is connected between the coarse filter (5) and the Roots blower (7),
the modular air-cooled cold and hot water unit is provided with a water-gas heat exchanger (101), an energy storage water tank (102), a circulating water pump (103), a compressor (104) and an auxiliary heater (105), wherein the water-gas heat exchanger (101) is connected between the coarse filter (5) and the Roots blower (7), the water-gas heat exchanger (101), the energy storage water tank (102), the circulating water pump (103), the compressor (104) and the auxiliary heater (105) form a hot water loop, and the water-gas heat exchanger (101), the energy storage water tank (102), the circulating water pump (103) and the compressor (104) form a cold water loop.
2. The pretreatment device with the modular air-cooled cold and hot water unit as claimed in claim 1, wherein: the Roots blowers (7) are three.
3. The pretreatment device with the modular air-cooled cold and hot water unit as claimed in claim 1, wherein: the water-gas heat exchanger (101) is also connected with an air-cooled radiator (106).
4. The pretreatment device with the modular air-cooled cold and hot water unit as claimed in claim 1, wherein: a first Y-shaped filter (107) and an electronic scaler (108) are arranged between the circulating water pump (103) and the energy storage water tank (102).
5. The pretreatment device with the modular air-cooled cold and hot water unit as claimed in claim 1, wherein: a first butterfly valve (110) and a second Y-shaped filter (109) are arranged between the circulating water pump (103) and the auxiliary heater (105); and a second butterfly valve (111) is arranged between the circulating water pump (103) and the compressor (104).
6. A pretreatment device with a modular air-cooled chiller/heater unit as set forth in claim 3, wherein: an expansion water tank (112) is arranged between the energy storage water tank (102) and the air-cooled radiator (106).
7. The pretreatment device with the modular air-cooled cold and hot water unit as claimed in claim 1, wherein: the compressor (104) is a high-efficiency semi-closed screw compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746503.1U CN210332167U (en) | 2019-05-22 | 2019-05-22 | Pretreatment device with modular air-cooled cold and hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746503.1U CN210332167U (en) | 2019-05-22 | 2019-05-22 | Pretreatment device with modular air-cooled cold and hot water unit |
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| CN210332167U true CN210332167U (en) | 2020-04-17 |
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| CN201920746503.1U Active CN210332167U (en) | 2019-05-22 | 2019-05-22 | Pretreatment device with modular air-cooled cold and hot water unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575073A (en) * | 2020-05-07 | 2020-08-25 | 新沂百川畅银新能源有限公司 | Environment-friendly landfill gas power generation pretreatment device and treatment method thereof |
| CN111575072A (en) * | 2020-05-07 | 2020-08-25 | 新沂百川畅银新能源有限公司 | Environment-friendly and efficient landfill gas collection, purification and power generation process |
-
2019
- 2019-05-22 CN CN201920746503.1U patent/CN210332167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575073A (en) * | 2020-05-07 | 2020-08-25 | 新沂百川畅银新能源有限公司 | Environment-friendly landfill gas power generation pretreatment device and treatment method thereof |
| CN111575072A (en) * | 2020-05-07 | 2020-08-25 | 新沂百川畅银新能源有限公司 | Environment-friendly and efficient landfill gas collection, purification and power generation process |
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