CN215480755U - Waste water decrement economizer - Google Patents
Waste water decrement economizer Download PDFInfo
- Publication number
- CN215480755U CN215480755U CN202121096091.5U CN202121096091U CN215480755U CN 215480755 U CN215480755 U CN 215480755U CN 202121096091 U CN202121096091 U CN 202121096091U CN 215480755 U CN215480755 U CN 215480755U
- Authority
- CN
- China
- Prior art keywords
- wall
- valve
- waste water
- connecting pipe
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 26
- 238000002309 gasification Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000005201 scrubbing Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 238000001816 cooling Methods 0.000 abstract description 15
- 238000007664 blowing Methods 0.000 abstract description 8
- 238000000354 decomposition reaction Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 230000003247 decreasing effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000618 nitrogen fertilizer Substances 0.000 description 2
- 238000013020 steam cleaning Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a waste water reduction energy-saving device which comprises a gasification furnace, wherein air nozzles are arranged on the outer wall of the top and the outer wall of the bottom of the gasification furnace, an air guide pipe is arranged at one end of each air nozzle, a lower blowing valve and an upper blowing valve are respectively arranged on the outer wall of the top and the outer wall of the bottom of the air guide pipe, a connecting pipe is arranged on the outer wall of one side of the air guide pipe, a reversing valve is arranged at one end, away from the air guide pipe, of the outer wall of the connecting pipe, the outer wall of one side of the reversing valve is connected with an electro-hydraulic proportional valve through the connecting pipe, and an automatic control valve is connected with the outer wall of one side of the electro-hydraulic proportional valve through the connecting pipe. The utility model can realize accurate regulation of steam entering the furnace, improve the steam decomposition rate, reduce the discharge of waste water generated by steam condensation, improve the dust removal and washing effect, prevent the phenomena of high cooling water consumption, large waste water amount and incomplete treatment, improve the cooling speed of circulating water and prevent the influence on the work of the gas washing tower due to the lower cooling speed of the circulating water.
Description
Technical Field
The utility model relates to the technical field of waste water reduction and energy conservation, in particular to a waste water reduction and energy conservation device.
Background
The atmospheric fixed bed intermittent coal gasification device in the industries of nitrogen fertilizer and the like has low steam decomposition rate for a long time, so that the steam consumption is high and the amount of generated waste water is large. The method has the following consequences that the consumption of cooling water is high, a subsequent water cooling system generates a large amount of VOc emission, and the four departments of the ministry of ecological environment in 7 months in 2019 jointly issue a notice of an integrated treatment scheme for atmospheric pollution of industrial furnaces and kilns (the requirement is that fixed bed intermittent coal gasification furnaces are adopted in the industries of nitrogen fertilizers and the like, so that the direct water washing is changed into the indirect cooling for accelerating the coal gas cooling.
The industrial synthetic ammonia gasification system for nitrogen fertilizer and the like adopts a plurality of fixed bed gasification furnaces to produce coal gas, and adopts the traditional in-furnace steam regulation mode and the direct water washing cooling mode, so that certain defects exist, the steam decomposition rate is low, the steam is wasted, and the regulation is not accurate, therefore, a waste water reduction energy-saving device is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a waste water reduction energy-saving device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a waste water decrement economizer, includes the gasifier, the top outer wall and the bottom outer wall of gasifier all are provided with the air cock, and the one end of two air cocks all is provided with the air duct, the top outer wall and the bottom outer wall of air duct are provided with down blows the valve and blow the valve on respectively, one side outer wall of air duct is provided with the connecting pipe, and the one end that the air duct was kept away from to the outer wall of connecting pipe is provided with the switching-over valve, one side outer wall of switching-over valve is connected with the electric liquid proportional valve through the connecting pipe, and one side outer wall of electric liquid proportional valve is connected with the automatic control valve through the connecting pipe, one side outer wall of automatic control valve is connected with the steam main valve through the connecting pipe, and one side outer wall of steam main valve is provided with the intake pipe, one side outer wall of intake pipe is provided with the DCS controller, and is electric connection between DCS controller and switching-over valve and the electric liquid proportional valve.
Preferably, the outer wall of one side of the automatic control valve is provided with a displacement sensor, and the displacement sensor is connected with the automatic control valve through a signal line.
Preferably, the outer wall of one side of the gasification furnace is connected with a cyclone separator through a connecting pipe, the outer wall of the top of the cyclone separator is provided with an exhaust pipe, the outer wall of one side of the exhaust pipe is provided with a gas washing tower, and the outer wall of one side of the gas washing tower is connected with a gas holder through a connecting pipe.
Preferably, the inner wall of the exhaust pipe is connected with a bag type dust collector through a bolt.
Preferably, the outer wall of one side of the gas washing tower is provided with a circulating pump, the outer wall of one side of the circulating pump is provided with a liquid guide pipe, one end, away from the circulating pump, of the outer wall of the liquid guide pipe is provided with a heat exchanger, and one end of the heat exchanger is connected with the gas washing tower through a flange.
Preferably, the outer wall of one side of the gas washing tower is connected with a liquid level self-regulating valve through a bolt, and the liquid level self-regulating valve is connected with the gas washing tower through a lead.
Preferably, the inner wall of the catheter is connected with a guide plate through a bolt, and the guide plate is in a spiral shape.
The utility model has the beneficial effects that:
1. through the arrangement of the automatic control valve, the reversing valve, the electro-hydraulic proportional valve and the DCS controller, the DCS controller outputs electric signals to the reversing valve and the electro-hydraulic proportional valve, the automatic control valve starts to execute upward-blowing steam decreasing action, the electro-hydraulic proportional valve executes the opening degree according to signals sent by the DCS controller, the signals are large, the opening degree is large, the flow is large, and the speed of the electro-hydraulic proportional valve is high; otherwise, the speed of the electro-hydraulic proportional valve is low, the displacement sensor detects the opening degree of the automatic control valve and feeds the opening degree back to the DCS controller, and the signal output to the electro-hydraulic proportional valve is automatically adjusted according to the feedback data of the displacement sensor, which is equivalent to the speed of automatically adjusting the descending of the electro-hydraulic proportional valve, so that the accurate adjustment of the steam entering the furnace is realized, the descending adjustment of the steam entering the furnace can be carried out through the DCS controller, the steam decomposition rate can be improved, and the discharge amount of waste water generated by steam condensation is reduced;
2. through the arrangement of the liquid guide pipe, the circulating pump, the gas washing tower and the heat exchanger, the washing water of the gas washing tower forms closed circulation, and the circulating water from the gas washing tower is pressurized by the circulating pump, sent into the heat exchanger for cooling and then sent into the top of the gas washing tower to be used as the washing water of semi-water gas, so that the dust removal and washing effects can be improved, and the phenomena of high cooling water consumption, high wastewater amount and incomplete treatment are prevented;
3. through the catheter and the baffle that set up, the shape of baffle is the heliciform, consequently, when the circulating water was through the baffle, can carry out the heliciform along with the shape of baffle and flow to improve the velocity of flow of circulating water, and then improve the cooling rate of circulating water, prevent because the cooling rate of circulating water is lower to the work of scrubbing tower and cause the influence.
Drawings
FIG. 1 is a schematic view of the waste water energy-saving apparatus according to embodiment 1;
FIG. 2 is a schematic view of the structure at A of the waste water energy-saving apparatus proposed in example 1;
fig. 3 is a schematic view of a catheter structure of the waste water reduction energy-saving device provided in embodiment 2.
In the drawings: 1-gasification furnace; 2-a down-blow valve; 3-gas guide tube; 4-connecting pipe; 5-a reversing valve; 6-automatic control valve; 7-an electro-hydraulic proportional valve; 8-an upward blowing valve; 9-a cyclone separator; 10-a scrubber; 11-a liquid level self-regulating valve; 12-a circulation pump; 13-a catheter; 14-a gas holder; 15-a heat exchanger; 16-an exhaust pipe; 17-a bag filter; 18-an air inlet pipe; 19-a DCS controller; 20-a steam main valve; 21-guide plate.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, a waste water reduction energy-saving device comprises a gasification furnace 1, wherein the top outer wall and the bottom outer wall of the gasification furnace 1 are respectively provided with air nozzles, one end of each air nozzle is connected with an air duct 3 through a flange, the top outer wall and the bottom outer wall of the air duct 3 are respectively provided with a lower blowing valve 2 and an upper blowing valve 8, one side outer wall of the air duct 3 is provided with a connecting pipe 4, one end of the outer wall of the connecting pipe 4 far away from the air duct 3 is connected with a reversing valve 5 through a flange, one side outer wall of the reversing valve 5 is connected with an electro-hydraulic proportional valve 7 through the connecting pipe 4, one side outer wall of the electro-hydraulic proportional valve 7 is connected with a self-control valve 6 through the connecting pipe 4, one side outer wall of the self-control valve 6 is connected with a steam main valve 20 through the connecting pipe 4, one side outer wall of the steam main valve 20 is connected with an air inlet pipe 18 through a flange, one side outer wall of the air inlet pipe 18 is provided with a DCS controller 19, and DCS controller 19 is electrically connected with reversing valve 5 and electro-hydraulic proportional valve 7, and the descending adjustment of the steam entering the furnace can be realized through DCS controller 19, so that the decomposition rate of the steam can be improved, and the discharge amount of the waste water generated by steam condensation can be reduced.
Wherein, a displacement sensor is arranged on the outer wall of one side of the automatic control valve 6, the displacement sensor is connected with the automatic control valve 6 through a signal line, the outer wall of one side of the gasification furnace 1 is connected with a cyclone separator 9 through a connecting pipe 4, the outer wall of the top part of the cyclone separator 9 is provided with an exhaust pipe 16, the outer wall of one side of the exhaust pipe 16 is connected with a gas washing tower 10 through a flange, the outer wall of one side of the gas washing tower 10 is connected with a gas holder 14 through the connecting pipe 4, the inner wall of the exhaust pipe 16 is connected with a bag type dust remover 17 through a bolt, the outer wall of one side of the gas washing tower 10 is connected with a circulating pump 12 through a flange, the outer wall of one side of the circulating pump 12 is connected with a liquid guide pipe 13 through a flange, one end of the outer wall of the liquid guide pipe 13, which is far away from the circulating pump 12, is connected with the heat exchanger 15 through a flange, the dust removal washing effect can be improved, and the high cooling water consumption can be prevented, the waste water amount is large and the treatment is not complete, the outer wall of one side of the gas washing tower 10 is connected with a liquid level self-regulating valve 11 through a bolt, and the liquid level self-regulating valve 11 is connected with the gas washing tower 10 through a lead.
The working principle is as follows: when the steam-cleaning device is used, the steam main valve 20 is opened, so that steam can enter the air inlet pipe 18, an electric signal is output to the reversing valve 5 and the electro-hydraulic proportional valve 7 through the DCS controller 19, the automatic control valve 6 starts to execute upward-blowing steam decreasing action, the electro-hydraulic proportional valve 7 executes the opening degree according to a signal sent by the DCS controller 19, the displacement sensor detects the opening degree of the automatic control valve 6 and feeds the opening degree back to the DCS controller 19, the signal output to the electro-hydraulic proportional valve 7 is automatically adjusted according to feedback data of the displacement sensor, which is equivalent to automatically adjusting the descending speed of the electro-hydraulic proportional valve 7, so that accurate adjustment of steam entering a furnace is realized, the steam is conveyed to the inside of the gas washing tower 10 after being gasified through the gasification furnace 1, wherein the steam can be purified through the bag type dust collector 17, the washed steam can be conveyed to the inside of the gas cabinet 14, and washing water of the gas washing tower 10 forms closed-loop circulation by itself, circulating water from the scrubber tower 10 is pressurized by a circulating pump 12, sent into a heat exchanger 15 for cooling, and then sent into the top of the scrubber tower 10 to be used as washing water of the semi-water gas.
Example 2
Referring to fig. 3, in this embodiment, compared with embodiment 1, the guide plate 21 is connected to the inner wall of the liquid guide pipe 13 through the bolt, and the guide plate 21 is spiral, so that when the circulating water passes through the guide plate 21, the circulating water flows spirally along with the shape of the guide plate 21, thereby increasing the flow speed of the circulating water, further increasing the cooling speed of the circulating water, and preventing the influence on the operation of the scrubber 10 due to the low cooling speed of the circulating water.
The working principle is as follows: when the steam-cleaning device is used, the steam main valve 20 is opened, so that steam can enter the air inlet pipe 18, an electric signal is output to the reversing valve 5 and the electro-hydraulic proportional valve 7 through the DCS controller 19, the automatic control valve 6 starts to execute upward-blowing steam decreasing action, the electro-hydraulic proportional valve 7 executes the opening degree according to a signal sent by the DCS controller 19, the displacement sensor detects the opening degree of the automatic control valve 6 and feeds the opening degree back to the DCS controller 19, the signal output to the electro-hydraulic proportional valve 7 is automatically adjusted according to feedback data of the displacement sensor, which is equivalent to automatically adjusting the descending speed of the electro-hydraulic proportional valve 7, so that accurate adjustment of steam entering a furnace is realized, the steam is conveyed to the inside of the gas washing tower 10 after being gasified through the gasification furnace 1, wherein the steam can be purified through the bag type dust collector 17, the washed steam can be conveyed to the inside of the gas cabinet 14, and washing water of the gas washing tower 10 forms closed-loop circulation by itself, circulating water from the gas washing tower 10 is pressurized by the circulating pump 12, sent into the heat exchanger 15 for cooling, and then sent into the top of the gas washing tower 10 to serve as washing water of semi-water gas, and when the circulating water passes through the guide plate 21, the circulating water can flow spirally along with the shape of the guide plate 21, so that the flowing speed of the circulating water is increased, the cooling speed of the circulating water is increased, and the influence on the work of the gas washing tower 10 due to the low cooling speed of the circulating water is prevented.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a waste water decrement economizer, includes gasifier (1), its characterized in that, the top outer wall and the bottom outer wall of gasifier (1) all are provided with the air cock, and the one end of two air cocks all is provided with air duct (3), the top outer wall and the bottom outer wall of air duct (3) are provided with down blows valve (2) and blow valve (8) on respectively, one side outer wall of air duct (3) is provided with connecting pipe (4), and the one end that the outer wall of connecting pipe (4) kept away from air duct (3) is provided with switching-over valve (5), one side outer wall of switching-over valve (5) is connected with electric liquid proportional valve (7) through connecting pipe (4), and one side outer wall of electric liquid proportional valve (7) is connected with automatic control valve (6) through connecting pipe (4), one side outer wall of automatic control valve (6) is connected with steam main valve (20) through connecting pipe (4), and an air inlet pipe (18) is arranged on the outer wall of one side of the steam main valve (20), a DCS controller (19) is arranged on the outer wall of one side of the air inlet pipe (18), and the DCS controller (19) is electrically connected with the reversing valve (5) and the electro-hydraulic proportional valve (7).
2. The waste water reduction and energy saving device as claimed in claim 1, wherein a displacement sensor is arranged on the outer wall of one side of the automatic control valve (6), and the displacement sensor is connected with the automatic control valve (6) through a signal line.
3. The waste water reduction energy-saving device according to claim 1, wherein a cyclone separator (9) is connected to one side outer wall of the gasification furnace (1) through a connecting pipe (4), an exhaust pipe (16) is arranged on the top outer wall of the cyclone separator (9), a scrubbing tower (10) is arranged on one side outer wall of the exhaust pipe (16), and a gas holder (14) is connected to one side outer wall of the scrubbing tower (10) through the connecting pipe (4).
4. A waste water reduction and energy saving device according to claim 3, wherein the inner wall of the exhaust pipe (16) is connected with a bag type dust collector (17) through bolts.
5. A waste water reduction and energy saving device as claimed in claim 3, wherein a circulating pump (12) is arranged on the outer wall of one side of the scrubbing tower (10), a liquid guide pipe (13) is arranged on the outer wall of one side of the circulating pump (12), a heat exchanger (15) is arranged at one end of the outer wall of the liquid guide pipe (13) far away from the circulating pump (12), and one end of the heat exchanger (15) is connected with the scrubbing tower (10) through a flange.
6. The waste water reduction energy-saving device according to claim 5, wherein the outer wall of one side of the scrubber tower (10) is connected with a liquid level self-regulating valve (11) through a bolt, and the liquid level self-regulating valve (11) is connected with the scrubber tower (10) through a wire.
7. A waste water energy-saving device according to claim 5, wherein the guide plate (21) is connected to the inner wall of the liquid guide pipe (13) through bolts, and the shape of the guide plate (21) is spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096091.5U CN215480755U (en) | 2021-05-14 | 2021-05-14 | Waste water decrement economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096091.5U CN215480755U (en) | 2021-05-14 | 2021-05-14 | Waste water decrement economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215480755U true CN215480755U (en) | 2022-01-11 |
Family
ID=79779292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121096091.5U Expired - Fee Related CN215480755U (en) | 2021-05-14 | 2021-05-14 | Waste water decrement economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215480755U (en) |
-
2021
- 2021-05-14 CN CN202121096091.5U patent/CN215480755U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204911226U (en) | Circulating fluidized bed dry process gas cleaning system | |
| CN105107364B (en) | Suitable for the flue gas desulphurization system of concurrent spray semidry method | |
| CN102688688B (en) | SNCR (Selective Non Catalytic Reduction) denitration device with low energy consumption and high efficiency for circulating fluidized bed boilers | |
| CN204865480U (en) | High -efficient desulfurization, denitration, dust removal and water conservation integration process systems | |
| CN203577626U (en) | Desulfurizer of circulating fluidized bed | |
| CN216909833U (en) | Semidry method flue gas desulfurization device | |
| CN202606021U (en) | Denitration device for circulating fluidized bed boiler | |
| CN215480755U (en) | Waste water decrement economizer | |
| CN204865513U (en) | Coal fired boiler flue gas desulfurization denitration equipment | |
| CN107308803B (en) | Circulating fluidized bed desulfurizing tower and control method | |
| CN104607032B (en) | Desulphurization plant | |
| CN203777911U (en) | Desulfuration, dedusting and denitration integrated flue gas cleaner | |
| CN212283563U (en) | Denitration system suitable for biomass boiler | |
| CN208018403U (en) | Energy saving gravity flow flue gas processing device | |
| CN202724933U (en) | Novel water atomizing spraying cooling device | |
| CN109915844A (en) | A kind of atmosphere pollution energy conservation improvement utilization system | |
| CN204220021U (en) | A kind of ore sintering flue gas purification system | |
| CN212915033U (en) | Boiler tail gas treatment device | |
| CN213051842U (en) | Negative pressure type soot blower for bottom flue of desulfurization tower | |
| CN213631592U (en) | Immersed cooling roasting slag discharging system | |
| CN219663369U (en) | SCR denitration system coupling urea hydrolysis | |
| CN218077194U (en) | Electric precipitation tail gas absorption system | |
| CN210495873U (en) | Single-tower turbulent flow two-stage spraying dual-cycle desulfurization dust removal system | |
| CN218879514U (en) | Rotary atomization desulfurization waste water zero discharge system | |
| CN221287422U (en) | Tunnel kiln dry desulfurization and denitrification treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |