CN105670707A - Automatic cycle device and method for gas washing water (ammonia water) - Google Patents
Automatic cycle device and method for gas washing water (ammonia water) Download PDFInfo
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- CN105670707A CN105670707A CN201610050683.0A CN201610050683A CN105670707A CN 105670707 A CN105670707 A CN 105670707A CN 201610050683 A CN201610050683 A CN 201610050683A CN 105670707 A CN105670707 A CN 105670707A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/046—Reducing the tar content
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1615—Stripping
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
Abstract
The invention discloses an automatic cycle device and method for gas washing water (ammonia water). The device is characterized by comprising a residue sediment tank 1, a tar and ammonia water collecting tank 2, a horizontal pipe cooler 3, a gas water seal tank system 4, an electrostatic tar precipitator system 5, an ammonia water circulating pump system 6, a gas fan system 7 and an automatic control system 8, wherein one end of the gas water seal tank system 4 is communicated with a low-temperature dry distillation furnace through a pipeline, and the other end of the gas water seal tank system 4 is communicated with the horizontal pipe cooler 3 through a pipeline; the gas water seal tank system 4 is further communicated with the residue sediment tank 1 through a pipeline; the residue sediment tank 1 is communicated with the tar and ammonia water collecting tank 2 through a pipeline; the tar and ammonia water collecting tank 2 is communicated with the ammonia water circulating pump system 6 through a pipeline; the ammonia water circulating pump system 6 is communicated with a pipeline between the low-temperature dry distillation furnace and the gas water seal tank system 4. The device can automatically recycle a cooling medium for reutilization, the tar extraction rate is increased, the water resources are saved, and the handling capacity of ammonia water is reduced.
Description
Technical field
The present invention relates to raw coke oven gas washings (ammonia) recycling field, particularly to a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device and method.
Background technology
Northern Shensi rich coal resources, the coal seam age is short, and degree of coalification is low, volatile matter is high, burning-point is low, tar yield is high, is the quality raw materials of low temperature distillation. Through development for many years, coal low temperature distillation industry has become a big pillar industry of local economy, and production capacity has reached 0.18～0.2 hundred million tons/year. As a new industry, remain and need to solve in substantial amounts of Technology problem. From sustainable development of socio-economy overall situation, actively develop the resource comprehensive utilization technology of retort process, exploitation clean coking new technology, form the clean coking production new technology being suitable for northern Shensi coal characteristic and outfit as early as possible, be greatly improved the scientific and technological level of northern Shensi coal, coal tar, coke-stove gas and generation comprehensive technology thereof, to Northern Shaanxi Energy chemical base construction and to the whole nation society and be significant through Zico sustainable development.
But the cooling of the raw coke oven gas of current low temperature distillation stove dry distilling generation is cleaned, it is all adopt directly to rinse mostly so that cooling media can not recycle, simultaneously need to special messenger goes to manage, wastes substantial amounts of human resources.
Summary of the invention
For solving above-mentioned existing shortcoming, present invention is primarily targeted at a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device of offer and method, it is possible to auto recycling cooling media, recycle.
For reaching above-described purpose, a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device of the present invention and method adopt the following technical scheme that:
A kind of Coal-gas Washing Water Using (ammonia) automatic circulation device, it is characterised in that: include sediment pot 1, tar ammonia collecting tank 2, horizontal water-tube cooler 3, gas liquor joint sealing system 4, electrostatic tar collecting apparatus system 5, ammonia circulation pumping system 6, gas fan system 7 and automatic control system 8;Gas liquor joint sealing system 4 one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler 3 pass through pipeline communication; Described gas liquor joint sealing system 4 also passes through pipeline communication with sediment pot 1; Described sediment pot 1 passes through pipeline communication with tar ammonia collecting tank 2; Described tar ammonia collecting tank 2 passes through pipeline communication with ammonia circulation pumping system 6; Pipeline between described ammonia circulation pumping system 6 with low temperature distillation stove with gas liquor joint sealing system 4 is connected; Described ammonia circulation pumping system 6 is connected by pipeline with horizontal water-tube cooler 3, and pipeline is all provided with switch; Described horizontal water-tube cooler 3 also passes through pipeline communication with electrostatic tar collecting apparatus system 5, and pipeline is provided with switch; Described electrostatic tar collecting apparatus system 5 passes through pipeline communication with gas fan system 7; Described electrostatic tar collecting apparatus system 5 also passes through pipeline communication with tar ammonia collecting tank 2; Described gas fan system 7 one end and low temperature distillation stove pass through pipeline communication; Described gas fan system 7 also passes through pipeline communication with coal gas storage tank; Described gas fan system 7 passes through pipeline communication with ammonia collecting tank 2; Described automatic control system 8 is connected with pressure tester a314, temperature measuring device a315, flow tester a316, pressure tester b324, temperature measuring device b325, flow tester b326, gas liquor joint sealing system 4, electrostatic tar collecting apparatus system 5, ammonia circulation pumping system 6, gas fan system 7 signal
Described horizontal water-tube cooler 3 is from top to bottom divided into one section of horizontal water-tube cooler 31 and two-stage nitration horizontal water-tube cooler 32, and one section of horizontal water-tube cooler 31 is connected with two-stage nitration horizontal water-tube cooler 32.
Described one section of horizontal water-tube cooler 31 is provided with one-step cooling water pipe 311; Described one-step cooling water pipe 311 one end and one-step cooling circulating water pool 312 are by pipeline communication, and the other end and one-step cooling water circulating pump 313 pass through pipeline communication; Described one-step cooling water circulating pump 313 passes through pipeline communication with one-step cooling circulating water pool 312; Described one-step cooling water circulating pump 313 is connected pipeline and is provided with the electrically operated valve of pressure tester a314, temperature measuring device a315, flow tester a316 and controllable flow rate size with one-step cooling water pipe 311.
Described two-stage nitration horizontal water-tube cooler 32 is provided with two-step cooling water pipe 312; Described two-step cooling water pipe 321 one end and two-step cooling circulating water pool 322 are by pipeline communication, and the other end and two-step cooling water circulating pump 323 pass through pipeline communication; Described two-step cooling water circulating pump 323 passes through pipeline communication with two-step cooling circulating water pool 322; Described two-step cooling water circulating pump 323 passes through pipeline communication with two-step cooling circulating water pool 322; Described two-step cooling water circulating pump 323 is connected pipeline and is provided with the electrically operated valve of pressure tester b324, temperature measuring device b325, flow tester b326 and controllable flow rate size with two-step cooling water pipe 321.
Described one section of horizontal water-tube cooler 31 passes through pipeline communication with gas liquor joint sealing system 4; Described one section of horizontal water-tube cooler 31 is also connected by pipeline with ammonia circulation pumping system 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2.
Described two-stage nitration horizontal water-tube cooler 32 is connected by pipeline with ammonia circulation pumping system 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2; Described two-stage nitration horizontal water-tube cooler 32 is also connected by pipeline with electrostatic tar collecting apparatus system 5, and pipeline is provided with the electrically operated valve of pressure tester d51, temperature measuring device d52 and controllable flow rate size.
Described ammonia circulation system 6 is made up of ammonia circulation pump 61, pressure tester c611, temperature measuring device c612, flow tester c613; The pipeline that ammonia circulation pump 61 is connected with horizontal water-tube cooler 3 is provided with the electrically operated valve of pressure tester c611, temperature measuring device c612, flow tester c613 and controllable flow rate size.
Described electrostatic tar collecting apparatus 5 and ammonia circulation pump 6 are by pipeline communication, and pipeline is provided with switch; Described electrostatic tar collecting apparatus system 5 is connected with gas fan system 7, pipeline be provided with the electrically operated valve of pressure tester e71, temperature measuring device e72 and controllable flow rate size; Pipeline between described low temperature distillation stove and gas liquor joint sealing system 4 is provided with the electrically operated valve of pressure tester f41, temperature measuring device f42, flow tester f43 and controllable flow rate size.
Described automatic control system 8 is made up of PLC 81 and display 82, described PLC 81 and pressure tester a314, temperature measuring device a315, flow tester a316, pressure tester b324, temperature measuring device b325, flow tester b326, pressure tester c611, temperature measuring device c612, flow tester c613, pressure tester d51, temperature measuring device d52, pressure tester e71, temperature measuring device e72, pressure tester f41, temperature measuring device f42, the electrically operated valve of controllable flow rate size on flow tester f43 and each pipeline, switch electrical connection on each pipeline, described PLC monitoring pressure tester, temperature measuring device, flow tester, setting the rated value of each system on display 81, PLC 81, by controlling the electrically operated valve of controllable flow rate size on each pipeline, speeds or the circulation rate of the Coal-gas Washing Water Using that slows down (ammonia).
Adopt the present invention of as above technical scheme, have the advantages that
The present invention can auto recycling cooling media, recycle, improve the extraction ratio of tar, and ammonia can reuse, saved water resource, and decreased the treating capacity of ammonia.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Description of reference numerals:
1-sediment pot, 2-tar ammonia collecting tank, 3-horizontal water-tube cooler, mono-section of horizontal water-tube cooler (31) of 31-, 311-one-step cooling water pipe, 312-one-step cooling circulating water pool, 313-one-step cooling water circulating pump, 314-pressure tester a, 315-temperature measuring device a, 316-flow tester a, 32-two-stage nitration horizontal water-tube cooler, 321-two-step cooling water pipe, 322-two-step cooling circulating water pool, 323-two-step cooling water circulating pump, 324-pressure tester b, 325-temperature measuring device b, 326-flow tester b, 4-gas liquor joint sealing system, 41-pressure tester f, 42-temperature measuring device f, 43-flow tester f, 5-electrostatic tar collecting apparatus system, 51-pressure tester d, 52-temperature measuring device d, 6-ammonia circulation pumping system, 611-pressure tester c, 612-temperature measuring device c, 613-flow tester c, 7-gas fan system, 71-pressure tester e, 72-temperature measuring device e.
Detailed description of the invention
In order to further illustrate the present invention, it is further illustrated below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device of the present invention, including sediment pot 1, tar ammonia collecting tank 2, horizontal water-tube cooler 3, gas liquor joint sealing system 4, electrostatic tar collecting apparatus system 5, ammonia circulation pumping system 6, gas fan system 7 and automatic control system 8;Gas liquor joint sealing system 4 one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler 3 pass through pipeline communication; Gas liquor joint sealing system 4 also passes through pipeline communication with sediment pot 1; Sediment pot 1 and tar ammonia collecting tank 2 pass through pipeline communication; Tar ammonia collecting tank 2 and ammonia circulation pumping system 6 pass through pipeline communication; Pipeline between ammonia circulation pumping system 6 with low temperature distillation stove with gas liquor joint sealing system 4 is connected; Ammonia circulation pumping system 6 is connected by pipeline with horizontal water-tube cooler 3, and pipeline is all provided with switch; Horizontal water-tube cooler 3 also passes through pipeline communication with electrostatic tar collecting apparatus system 5, and pipeline is provided with switch; Electrostatic tar collecting apparatus system 5 and gas fan system 7 pass through pipeline communication; Electrostatic tar collecting apparatus system 5 also passes through pipeline communication with tar ammonia collecting tank 2; Gas fan system 7 one end and low temperature distillation stove pass through pipeline communication; Gas fan system 7 also passes through pipeline communication with coal gas storage tank; Gas fan system 7 and ammonia collecting tank 2 pass through pipeline communication; Automatic control system 8 is connected with pressure tester a314, temperature measuring device a315, flow tester a316, pressure tester b324, temperature measuring device b325, flow tester b326, gas liquor joint sealing system 4, electrostatic tar collecting apparatus system 5, ammonia circulation pumping system 6, gas fan system 7 signal.
Horizontal water-tube cooler 3 is from top to bottom divided into one section of horizontal water-tube cooler 31 and two-stage nitration horizontal water-tube cooler 32, and one section of horizontal water-tube cooler 31 is connected with two-stage nitration horizontal water-tube cooler 32.
One section of horizontal water-tube cooler 31 is provided with one-step cooling water pipe 311; One-step cooling water pipe 311 one end and one-step cooling circulating water pool 312 are by pipeline communication, and the other end and one-step cooling water circulating pump 313 pass through pipeline communication; One-step cooling water circulating pump 313 and one-step cooling circulating water pool 312 pass through pipeline communication; One-step cooling water circulating pump 313 is connected pipeline and is provided with the electrically operated valve of pressure tester a314, temperature measuring device a315, flow tester a316 and controllable flow rate size with one-step cooling water pipe 311.
Two-stage nitration horizontal water-tube cooler 32 is provided with two-step cooling water pipe 312; Two-step cooling water pipe 321 one end and two-step cooling circulating water pool 322 are by pipeline communication, and the other end and two-step cooling water circulating pump 323 pass through pipeline communication; Two-step cooling water circulating pump 323 and two-step cooling circulating water pool 322 pass through pipeline communication; Two-step cooling water circulating pump 323 and two-step cooling circulating water pool 322 pass through pipeline communication; Two-step cooling water circulating pump 323 is connected pipeline and is provided with the electrically operated valve of pressure tester b324, temperature measuring device b325, flow tester b326 and controllable flow rate size with two-step cooling water pipe 321.
One section of horizontal water-tube cooler 31 passes through pipeline communication with gas liquor joint sealing system 4; One section of horizontal water-tube cooler 31 is also connected by pipeline with ammonia circulation pumping system 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2.
Two-stage nitration horizontal water-tube cooler 32 is connected by pipeline with ammonia circulation pumping system 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2; Two-stage nitration horizontal water-tube cooler 32 is also connected by pipeline with electrostatic tar collecting apparatus system 5, and pipeline is provided with the electrically operated valve of pressure tester d51, temperature measuring device d52 and controllable flow rate size.
Ammonia circulation system 6 is made up of ammonia circulation pump 61, pressure tester c611, temperature measuring device c612, flow tester c613;The pipeline that ammonia circulation pump 61 is connected with horizontal water-tube cooler 3 is provided with the electrically operated valve of pressure tester c611, temperature measuring device c612, flow tester c613 and controllable flow rate size.
Electrostatic tar collecting apparatus 5 and ammonia circulation pump 6 are by pipeline communication, and pipeline is provided with switch; Electrostatic tar collecting apparatus system 5 is connected with gas fan system 7, pipeline be provided with the electrically operated valve of pressure tester e71, temperature measuring device e72 and controllable flow rate size; Pipeline between low temperature distillation stove and gas liquor joint sealing system 4 is provided with the electrically operated valve of pressure tester f41, temperature measuring device f42, flow tester f43 and controllable flow rate size.
Automatic control system 8 is made up of PLC 81 and display 82, PLC 81 and pressure tester a314, temperature measuring device a315, flow tester a316, pressure tester b324, temperature measuring device b325, flow tester b326, pressure tester c611, temperature measuring device c612, flow tester c613, pressure tester d51, temperature measuring device d52, pressure tester e71, temperature measuring device e72, pressure tester f41, temperature measuring device f42, the electrically operated valve of controllable flow rate size on flow tester f43 and each pipeline, switch electrical connection on each pipeline, PLC monitoring pressure tester, temperature measuring device, flow tester, setting the rated value of each system on display 81, PLC 81, by controlling the electrically operated valve of controllable flow rate size on each pipeline, speeds or the circulation rate of the Coal-gas Washing Water Using that slows down (ammonia).
In use, it is first turned on display 82, opens whole device, display 81 inputs each rated value; Under the effect of ammonia circulation pump 61, ammonia in tar ammonia collecting tank 2 flows in the pipeline that low temperature distillation stove is connected with gas liquor joint sealing system 4 by pipeline, subsequently flow in gas liquor joint sealing system 4, the raw coke oven gas ejected from low temperature distillation stove is washed through gas liquor joint sealing system 4, a part of tar in raw coke oven gas, impurity is washed away; Meanwhile, pressure tester f41, temperature measuring device f42, flow tester f43 monitor each data of pipeline between low temperature distillation stove and gas liquor joint sealing system 4, and feed back to PLC 81; Impure washings enter in sediment pot 1, and precipitation eventually enters into tar ammonia collecting tank 2 after filtering; Coal gas is entered in one section of horizontal water-tube cooler 31 in horizontal water-tube cooler 3 by pipeline.
After raw coke oven gas enters one section of horizontal water-tube cooler 31, under the effect of one-step cooling water circulating pump 313, the cooling water in one-step cooling circulating water pool 312 flows in one-step cooling water pipe 311 by pipeline; Raw coke oven gas cools down at one-step cooling water pipe 311 place, subsequently flows in two-stage nitration horizontal water-tube cooler 32; Meanwhile, pressure tester a314, temperature measuring device a315, flow tester a316 monitor each data in one section of horizontal water-tube cooler 31, and feed back to PLC 81.
After raw coke oven gas enters two-stage nitration horizontal water-tube cooler 32, under the effect of two-step cooling water circulating pump 323, the cooling water in two-step cooling circulating water pool 322 flows in two-step cooling water pipe 321 by pipeline; Raw coke oven gas cools down at two-step cooling water pipe 321 place, is discharged by bottom two-stage nitration horizontal water-tube cooler 32 subsequently; Meanwhile, pressure tester b324, temperature measuring device b325, flow tester b326 monitor each data in two-stage nitration horizontal water-tube cooler 32, and feed back to PLC 81.
All pipeline communication is passed through with tar ammonia collecting tank 2 bottom one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32; Often after a while, open the switch that ammonia circulation pump 6 is connected on pipeline with one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32, ammonia sprays into horizontal water-tube cooler 3 under the effect of ammonia circulation pump 6, tar, water-cooled lime set in one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32 are rinsed, is flowed back in tar ammonia collecting tank 2 by pipeline subsequently.
Then, the coal gas after cooling is by, after discharging bottom two-stage nitration horizontal water-tube cooler 32, entering in electrostatic tar collecting apparatus 5; In electrostatic tar collecting apparatus 5, coal gas separates with tar, water-cooled lime set, and the coal gas of final purification is discharged by electrostatic tar collecting apparatus 5 top; Often after a while, open the switch that electrostatic tar collecting apparatus 5 is connected on pipeline with ammonia circulation pump 6, ammonia sprays in electrostatic tar collecting apparatus 5 under the effect of ammonia circulation pump 6, tar in electrostatic tar collecting apparatus 5, water-cooled lime set are rinsed out, is flowed back in tar ammonia collecting tank 2 by pipeline subsequently.
Finally, the coal gas after purification, in the pressurization of gas fan 7, enters in low temperature distillation stove in part through pipeline and recycles, and a part is outer for utilizing; Some condensed fluid of coal gas band after purification, flows back in tar ammonia collecting tank 2 by gas fan 7 and tar ammonia collecting tank 2 pipeline; Meanwhile, pressure tester e71, temperature measuring device e72 detect each data in pipeline, and feed back to PLC 81.
Pressure tester c611, temperature measuring device c612, flow tester c613 monitor each data in pipeline, and feed back to PLC 81; PLC 81, according to each rating number of input on display 82, controls the electrically operated valve of controllable flow rate size on each pipeline, makes each instrument data meet rating number, thus completing whole Automatic Cycle process.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvement and supplement, these improve and supplement and also should be regarded as protection scope of the present invention.
Claims (10)
1. Coal-gas Washing Water Using (ammonia) automatic circulation device, it is characterised in that: include sediment pot (1), tar ammonia collecting tank (2), horizontal water-tube cooler (3), gas liquor joint sealing system (4), electrostatic tar collecting apparatus system (5), ammonia circulation pumping system (6), gas fan system (7) and automatic control system (8); Gas liquor joint sealing system (4) one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler (3) pass through pipeline communication; Described gas liquor joint sealing system (4) also passes through pipeline communication with sediment pot (1); Described sediment pot (1) and tar ammonia collecting tank (2) pass through pipeline communication; Described tar ammonia collecting tank (2) and ammonia circulation pumping system (6) pass through pipeline communication; Described ammonia circulation pumping system (6) is connected with the pipeline between low temperature distillation stove with gas liquor joint sealing system (4); Described ammonia circulation pumping system (6) is connected by pipeline with horizontal water-tube cooler (3), and pipeline is all provided with switch; Described horizontal water-tube cooler (3) also with electrostatic tar collecting apparatus system (5) by pipeline communication, pipeline is provided with switch; Described electrostatic tar collecting apparatus system (5) and gas fan system (7) pass through pipeline communication; Described electrostatic tar collecting apparatus system (5) also passes through pipeline communication with tar ammonia collecting tank (2);Described gas fan system (7) one end and low temperature distillation stove pass through pipeline communication; Described gas fan system (7) also passes through pipeline communication with coal gas storage tank; Described gas fan system (7) and ammonia collecting tank (2) pass through pipeline communication; Described automatic control system (8) is connected with pressure tester a (314), temperature measuring device a (315), flow tester a (316), pressure tester b (324), temperature measuring device b (325), flow tester b (326), gas liquor joint sealing system (4), electrostatic tar collecting apparatus system (5), ammonia circulation pumping system (6), gas fan system (7) signal.
2. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 1, it is characterized in that: described horizontal water-tube cooler (3) is from top to bottom divided into one section of horizontal water-tube cooler (31) and two-stage nitration horizontal water-tube cooler (32), one section of horizontal water-tube cooler (31) is connected with two-stage nitration horizontal water-tube cooler (32).
3. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 2, it is characterised in that: described one section of horizontal water-tube cooler (31) is provided with one-step cooling water pipe (311); Described one-step cooling water pipe (311) one end and one-step cooling circulating water pool (312) are by pipeline communication, and the other end and one-step cooling water circulating pump (313) pass through pipeline communication; Described one-step cooling water circulating pump (313) and one-step cooling circulating water pool (312) pass through pipeline communication; Described one-step cooling water circulating pump (313) is connected pipeline and is provided with the electrically operated valve of pressure tester a (314), temperature measuring device a (315), flow tester a (316) and controllable flow rate size with one-step cooling water pipe (311).
4. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 2, it is characterised in that: described two-stage nitration horizontal water-tube cooler (32) is provided with two-step cooling water pipe (312); Described two-step cooling water pipe (321) one end and two-step cooling circulating water pool (322) are by pipeline communication, and the other end and two-step cooling water circulating pump (323) pass through pipeline communication; Described two-step cooling water circulating pump (323) and two-step cooling circulating water pool (322) pass through pipeline communication; Described two-step cooling water circulating pump (323) and two-step cooling circulating water pool (322) pass through pipeline communication; Described two-step cooling water circulating pump (323) is connected pipeline and is provided with the electrically operated valve of pressure tester b (324), temperature measuring device b (325), flow tester b (326) and controllable flow rate size with two-step cooling water pipe (321).
5. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 3 or 4, it is characterised in that: described one section of horizontal water-tube cooler (31) and gas liquor joint sealing system (4) pass through pipeline communication; Described one section of horizontal water-tube cooler (31) is also connected by pipeline with ammonia circulation pumping system (6), and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank (2).
6. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 5, it is characterized in that: described two-stage nitration horizontal water-tube cooler (32) is connected by pipeline with ammonia circulation pumping system (6), pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank (2); Described two-stage nitration horizontal water-tube cooler (32) is also connected by pipeline with electrostatic tar collecting apparatus system (5), and pipeline is provided with the electrically operated valve of pressure tester d (51), temperature measuring device d (52) and controllable flow rate size.
7. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 1, it is characterised in that: described ammonia circulation system (6) is made up of ammonia circulation pump (61), pressure tester c (611), temperature measuring device c (612), flow tester c (613);The pipeline that ammonia circulation pump (61) is connected with horizontal water-tube cooler (3) is provided with the electrically operated valve of pressure tester c (611), temperature measuring device c (612), flow tester c (613) and controllable flow rate size.
8. a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device according to claim 1, it is characterised in that: described electrostatic tar collecting apparatus (5) and ammonia circulation pump (6) are by pipeline communication, and pipeline is provided with switch; Described electrostatic tar collecting apparatus system (5) is connected with gas fan system (7), pipeline be provided with the electrically operated valve of pressure tester e (71), temperature measuring device e (72) and controllable flow rate size; Pipeline between described low temperature distillation stove and gas liquor joint sealing system (4) is provided with the electrically operated valve of pressure tester f (41), temperature measuring device f (42), flow tester f (43) and controllable flow rate size.
9. according to arbitrary described a kind of Coal-gas Washing Water Using (ammonia) automatic circulation device of claim 6,7,8, it is characterised in that: described automatic control system (8) is made up of PLC (81) and display (82), described PLC (81) and pressure tester a (314), temperature measuring device a (315), flow tester a (316), pressure tester b (324), temperature measuring device b (325), flow tester b (326), pressure tester c (611), temperature measuring device c (612), flow tester c (613), pressure tester d (51), temperature measuring device d (52), pressure tester e (71), temperature measuring device e (72), pressure tester f (41), temperature measuring device f (42), the electrically operated valve of controllable flow rate size on flow tester f (43) and each pipeline, switch electrical connection on each pipeline, described PLC monitoring pressure tester, temperature measuring device, flow tester, display (81) sets the rated value of each system, PLC (81), by controlling the electrically operated valve of controllable flow rate size, switch on each pipeline, speeds or the circulation rate of the Coal-gas Washing Water Using that slows down (ammonia).
10. Coal-gas Washing Water Using (ammonia) Automatic Cycle method, the steps include:
Step one: open display (82), open whole device, at display (81) each rated value of upper input; Under the effect of ammonia circulation pump (61), ammonia in tar ammonia collecting tank (2) flows in the pipeline that low temperature distillation stove is connected with gas liquor joint sealing system (4) by pipeline, subsequently flow in gas liquor joint sealing system (4), the raw coke oven gas ejected from low temperature distillation stove is washed through gas liquor joint sealing system (4), a part of tar in raw coke oven gas, impurity is washed away; Simultaneously, pressure tester f (41), temperature measuring device f (42), flow tester f (43) monitor each data of pipeline between low temperature distillation stove and gas liquor joint sealing system (4), and feed back to PLC (81); Impure washings enter in sediment pot (1), and precipitation eventually enters into tar ammonia collecting tank (2) after filtering;
Step 2: under the effect of one-step cooling water circulating pump (313), the cooling water in one-step cooling circulating water pool (312) flows in one-step cooling water pipe (311) by pipeline; Raw coke oven gas cools down at one-step cooling water pipe (311) place, subsequently flows in two-stage nitration horizontal water-tube cooler (32); Simultaneously, pressure tester a (314), temperature measuring device a (315), flow tester a (316) monitor each data in one section of horizontal water-tube cooler (31), and feed back to PLC (81);Pipeline communication is passed through with tar ammonia collecting tank (2) in one section of horizontal water-tube cooler (31) bottom, PLC (81) is according at the upper interval set of display (82), open, close the switch that ammonia circulation pump (6) is connected on pipeline with one section of horizontal water-tube cooler (31), ammonia sprays into horizontal water-tube cooler (3) under the effect of ammonia circulation pump (6), one section of interior tar of horizontal water-tube cooler (31), water-cooled lime set are rinsed, flows back in tar ammonia collecting tank (2) by pipeline subsequently;
Step 3: under the effect of two-step cooling water circulating pump (323), the cooling water in two-step cooling circulating water pool (322) flows in two-step cooling water pipe (321) by pipeline; Raw coke oven gas cools down at two-step cooling water pipe (321) place, is discharged by two-stage nitration horizontal water-tube cooler (32) bottom subsequently; Simultaneously, pressure tester b (324), temperature measuring device b (325), flow tester b (326) monitor each data in two-stage nitration horizontal water-tube cooler (32), and feed back to PLC (81); PLC (81) is according at the upper interval set of display (82), open, close the switch that ammonia circulation pump (6) is connected on pipeline with two-stage nitration horizontal water-tube cooler (32), ammonia sprays into horizontal water-tube cooler (3) under the effect of ammonia circulation pump (6), two-stage nitration horizontal water-tube cooler (32) interior tar, water-cooled lime set are rinsed, flows back in tar ammonia collecting tank (2) by pipeline subsequently;
Step 4: in electrostatic tar collecting apparatus (5), coal gas separates with tar, water-cooled lime set, and the coal gas of final purification is discharged by electrostatic tar collecting apparatus (5) top; PLC (81) is according at the upper interval set of display (82), open, close the switch that electrostatic tar collecting apparatus (5) is connected on pipeline with ammonia circulation pump (6), ammonia sprays in electrostatic tar collecting apparatus (5) under the effect of ammonia circulation pump (6), tar in electrostatic tar collecting apparatus (5), water-cooled lime set are rinsed out, flows back in tar ammonia collecting tank (2) by pipeline subsequently;
Step 5: some condensed fluid of coal gas band after purification, flows back in tar ammonia collecting tank (2) by gas fan (7) and tar ammonia collecting tank (2) pipeline; Meanwhile, pressure tester e (71), temperature measuring device e (72) detect each data in pipeline, and feed back to PLC (81);
Step 6: pressure tester c (611), temperature measuring device c (612), flow tester c (613) monitor each data in pipeline, and feed back to PLC (81); The PLC (81) each rating number according to the upper input of display (82), control the electrically operated valve of controllable flow rate size, switch on each pipeline, speed or the circulation rate of the Coal-gas Washing Water Using that slows down (ammonia), so that each instrument data meets rating number, complete whole Automatic Cycle process.
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| CN108561756A (en) * | 2018-05-14 | 2018-09-21 | 长沙医学院 | Raw coke oven gas pipeline condenses liquor treating process before a kind of primary cooler |
| CN110295066A (en) * | 2018-12-07 | 2019-10-01 | 西安诺普电气工程技术有限公司 | Solve the transverse pipe initial cooler and its method of exhaust valve water spray |
| CN112058498A (en) * | 2020-08-26 | 2020-12-11 | 包头钢铁（集团）有限责任公司 | Fault processing method for coal gas purification electric tar precipitator |
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