CN112521983A - Automatic water replenishing device of gas purification system and control method thereof - Google Patents
Automatic water replenishing device of gas purification system and control method thereof Download PDFInfo
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- CN112521983A CN112521983A CN202011038939.9A CN202011038939A CN112521983A CN 112521983 A CN112521983 A CN 112521983A CN 202011038939 A CN202011038939 A CN 202011038939A CN 112521983 A CN112521983 A CN 112521983A
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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
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas 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
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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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
- C10K1/026—Dust removal by centrifugal forces
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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
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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
Abstract
The invention discloses an automatic water replenishing device of a gas purification system and a control method thereof, wherein the automatic water replenishing device comprises a water pump, a first water inlet pipe, a second water inlet pipe, a first ball valve, a first driven gear, a first motor, a first driving gear, a water filling tank, a water outlet pipe, a first water conveying pipe, a second ball valve, a second driven gear, a second motor, a second driving gear, a second water conveying pipe, a filtering bin and a spray head; the automatic water filling device is safe and reliable, has a simple structure and convenient use through the matching of the water pump, the first water inlet pipe, the second water inlet pipe, the first ball valve, the first driven gear, the first motor, the first driving gear and the water filling tank, replaces manual water filling through the arrangement of the high-level water filling tank and the first ball valve, realizes automatic water filling, and realizes the purpose of automatically starting and stopping the water pump; through the cooperation of second ball valve, second driven gear, second motor, second driving gear and second raceway, realized carrying out the automatic purpose that supplyes to the water in the case of watering.
Description
Technical Field
The invention relates to the technical field of automatic water replenishing devices of gas purification systems, in particular to an automatic water replenishing device of a gas purification system and a control method thereof.
Background
Because the coal gas is used in the production and the life of people at present, certain requirements are made on some coal gas purification systems in the market; however, the existing gas purification system is complex in structure and difficult to operate, and the existing gas purification system mostly adopts a water filling pump to work, so that water filling is often needed manually, and the use is inconvenient; most of the existing gas purification systems are not provided with automatic water replenishing devices, so that the use is influenced; and the acid mist removing step in the existing gas purifying system is simple, and the acid mist cannot be removed efficiently, so that the gas purifying efficiency is influenced.
Disclosure of Invention
The invention aims to provide an automatic water replenishing device of a gas purification system and a control method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an automatic water replenishing device of a gas purification system comprises a frame, a water pump, a first water inlet pipe, a second water inlet pipe, a water storage tank, a first ball valve, a first driven gear, a first protective cover, a first motor, a first driving gear, a water filling tank, a water outlet pipe, a first water delivery pipe, a second ball valve, a second driven gear, a second protective cover, a second motor, a second driving gear, a second water delivery pipe, a filter bin, a spray head, a water storage tank, a water outlet hole, a first limiting block, a first through hole, a hydraulic cylinder, a rubber plug, an air inlet pipe, a second limiting block, a second through hole, a third motor, a third limiting cover and a blowing fan, wherein the water pump is fixedly connected to the inner wall of one side of the input end of the water pump in an inserting mode, the first water inlet pipe is connected to the inner wall of one side of the frame in a fixed mode, the water filling tank is connected to the, a second water inlet pipe is inserted on the outer wall of one side of the first water inlet pipe, a water storage tank is arranged at the bottom end of the rack, the other end of the second water inlet pipe is inserted in the water storage tank, a first ball valve is fixedly connected on the outer wall of one side of the first water inlet pipe, a first driven gear is fixedly connected on the outer wall of one end of the first ball valve, a first motor is fixedly connected on the inner wall of one side of the rack, a first driving gear is fixedly connected on the outer wall of one end of an output shaft of the first motor, the outer wall of one side of the first driving gear is engaged and connected on the outer wall of one side of the first driven gear, a second water pipe is inserted on the inner wall of one side of the output end of the water pump, a first water pipe is inserted on the outer wall of one side of the second water pipe, the other end of the first water pipe is inserted on the inner wall of one side of the water, a second driven gear is fixedly connected to the outer wall of one side of the second ball valve, a second motor is fixedly connected to the inner wall of one side of the rack, a second driving gear is fixedly connected to the outer wall of one end of an output shaft of the second motor, and the outer wall of one side of the second driving gear is meshed with the outer wall of one side of the second driven gear, a filter bin is fixedly connected to the inner wall of one side of the rack, one end of a second water delivery pipe is inserted into the inner wall of one side of the filter bin, a water outlet hole is formed in the inner wall of the bottom end of the filter bin in a penetrating manner, a first limiting block is fixedly connected to one side of the outer wall of the bottom end of the filter bin, which corresponds to the water outlet hole, a first through hole is formed in the inner wall of one side of the first limiting block in a penetrating manner, a hydraulic cylinder is embedded and connected to the inner wall of one, fixedly connected with intake pipe on the outer wall of one side of crossing the filter house, fixedly connected with second stopper on the inner wall of one side of intake pipe, fixedly connected with third motor on the outer wall of one side of second stopper, fixedly connected with blast fan on the inner wall of one side that corresponds the intake pipe on the one end outer wall of third motor output shaft.
A control method of an automatic water replenishing device of a gas purification system comprises the steps of firstly, condensing and blasting air; step two, desulfurization; step three, deamination; step four, washing benzene;
in the first step, the condensation air blast comprises the following steps;
1) raw coke oven gas produced by the coke oven, tar and ammonia water are introduced into a gas-liquid separator along a gas absorption pipeline;
2) after gas-liquid separation, raw gas comes out from the upper part and enters a transverse pipe primary cooler to cool the gas;
3) the coal gas discharged from the lower part of the horizontal pipe primary cooler enters an electric tar precipitator after passing through a baffle plate mist precipitator, and tar entrained in the coal gas is removed;
in the second step, the desulfurization comprises the following steps;
1) introducing the coke oven gas from the first step of cold drum into a precooling tower, starting a first motor and a second motor to open a first ball valve and a second ball valve, so that water in a water filling tank is filled into a water pump, starting the water pump, spraying the gas through the action of a spray head by the cooperation of a second water inlet pipe and a second water delivery pipe, and cooling the gas;
2) introducing the precooled coal gas into a desulfurizing tower, and carrying out countercurrent contact with the desulfurizing liquid sprayed from the top of the tower to absorb hydrogen sulfide and hydrogen cyanide in the coal gas;
in the third step, the deamination comprises the following steps;
1) introducing the desulfurized coal gas into a coal gas preheater for heating;
2) introducing the preheated coal gas into an ammonium sulfate saturator, enabling the coal gas to flow along an annular space between the inner wall of the saturator and the outer wall of an acid remover in two streams at the upper part of the saturator, and spraying the coal gas in a reverse direction through circulating mother liquor, so that ammonia in the coal gas is absorbed by sulfuric acid in the mother liquor to generate ammonium sulfate crystals;
3) the deaminated coal gas is combined into one strand in the rear chamber of the saturator, continuously sprayed and washed by a small mother liquor circulating pump, enters a cyclone-type acid remover in the saturator along the tangential direction, acid mist carried in the coal gas is separated out, the coal gas comes out from the top of the saturator, and is further separated from the carried acid mist by an acid mist catcher;
wherein in the fourth step, the benzene washing comprises the following steps;
1) introducing the coal gas obtained in the third step into a final cooler for cooling;
2) introducing the cooled coal gas into a benzene washing tower, and reversely contacting the cooled coal gas with lean oil sprayed from the top of the benzene washing tower to absorb benzene in the coal gas;
according to the technical scheme, the first protection casing of fixedly connected with on the inner wall of one side of frame, and one side of first driven gear rotates and connects in the inside of first protection casing, the second protection casing of fixedly connected with on the inner wall of one side of frame, and one side of second driven gear rotates and connects in the inside of second protection casing.
According to the technical scheme, the water outlet pipe is inserted into the outer wall of one side of the water filling tank, and the other end of the water outlet pipe is inserted into the water storage tank.
According to the technical scheme, the inner wall of one side of the filter bin is fixedly connected with the spray head corresponding to one end of the second water delivery pipe, and one end of the second water delivery pipe is inserted into the inner wall of one side of the spray head.
According to the technical scheme, a water storage tank is arranged on the inner wall of the bottom end of the filter bin.
According to the technical scheme, the outer wall of one side of the second limiting block is provided with the second through holes in a penetrating mode.
According to the technical scheme, a third protection cover is fixedly connected to the outer wall of one side of the second limiting block, which corresponds to the outer wall of one side of the third motor.
Compared with the prior art, the invention has the following beneficial effects: the automatic water filling device is safe and reliable, has a simple structure and convenient use through the matching of the water pump, the first water inlet pipe, the second water inlet pipe, the first ball valve, the first driven gear, the first motor, the first driving gear and the water filling tank, replaces manual water filling through the arrangement of the high-level water filling tank and the first ball valve, realizes automatic water filling, and realizes the purpose of automatically starting and stopping the water pump; the purpose of automatically supplementing the water in the irrigation tank is realized through the matching of the second ball valve, the second driven gear, the second motor, the second driving gear and the second water delivery pipe; in the third step, the acid remover and the acid mist catcher are used in double cooperation, so that the removal rate of the acid mist is improved, and the use is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall front cut-away construction of the present invention;
FIG. 2 is a schematic overall front view of the present invention;
FIG. 3 is a schematic perspective view of the sprinkler head of the present invention;
FIG. 4 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of the area B in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure of the area C in FIG. 1 according to the present invention;
FIG. 7 is a flow chart of a control method of the present invention;
in the figure: 1. a frame; 2. a water pump; 3. a first water inlet pipe; 4. a second water inlet pipe; 5. a water storage tank; 6. a first ball valve; 7. a first driven gear; 8. a first shield; 9. a first motor; 10. a first drive gear; 11. filling a water tank; 12. a water outlet pipe; 13. a first water delivery pipe; 14. a second ball valve; 15. a second driven gear; 16. a second shield; 17. a second motor; 18. a second driving gear; 19. a second water delivery pipe; 20. a filtering bin; 21. a spray head; 22. a water storage tank; 23. a water outlet hole; 24. a first stopper; 25. a first through hole; 26. a hydraulic cylinder; 27. a rubber plug; 28. an air inlet pipe; 29. a second limiting block; 30. a second through hole; 31. a third motor; 32. a third protective cover; 33. a blower fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic water replenishing device of a coal gas purifying system comprises a rack 1, a water pump 2, a first water inlet pipe 3, a second water inlet pipe 4, a water storage tank 5, a first ball valve 6, a first driven gear 7, a first protective cover 8, a first motor 9, a first driving gear 10, a water filling tank 11, a water outlet pipe 12, a first water conveying pipe 13, a second ball valve 14, a second driven gear 15, a second protective cover 16, a second motor 17, a second driving gear 18, a second water conveying pipe 19, a filter bin 20, a nozzle 21, a water storage tank 22, a water outlet 23, a first limiting block 24, a first through hole 25, a hydraulic cylinder 26, a rubber plug 27, an air inlet pipe 28, a second limiting block 29, a second through hole 30, a third motor 31, a third protective cover 32 and a blowing fan 33, wherein the water pump 2 is fixedly connected to the inner wall of one side of the rack 1, the first water inlet pipe 3 is inserted to the inner wall of one side, a water filling tank 11 is fixedly connected to the inner wall of one side of the frame 1, the other end of a first water inlet pipe 3 is inserted into the inner wall of the bottom end of the water filling tank 11, a second water inlet pipe 4 is inserted into the outer wall of one side of the first water inlet pipe 3, a water storage tank 5 is arranged at the bottom end of the frame 1, the other end of the second water inlet pipe 4 is inserted into the water storage tank 5, a first ball valve 6 is fixedly connected to the outer wall of one side of the first water inlet pipe 3, a first driven gear 7 is fixedly connected to the outer wall of one end of the first ball valve 6, a first motor 9 is fixedly connected to the inner wall of one side of the frame 1, a first driving gear 10 is fixedly connected to the outer wall of one side of an output shaft of the first motor 9, the outer wall of one side of the first driving gear 10 is engaged and connected to the outer wall of one side of the first driven gear 7, a first protective cover 8 is, conveniently protecting the first motor 9, a second water pipe 19 is inserted on one side inner wall of the output end of the water pump 2, a first water pipe 13 is inserted on one side outer wall of the second water pipe 19, the other end of the first water pipe 13 is inserted on one side inner wall of the water filling tank 11, a water outlet pipe 12 is inserted on one side outer wall of the water filling tank 11, the other end of the water outlet pipe 12 is inserted inside the water storage tank 5, conveniently preventing the water filling tank 11 from overflowing, a second ball valve 14 is fixedly connected on one side outer wall of the first water pipe 13, a second driven gear 15 is fixedly connected on one side outer wall of the second ball valve 14, a second motor 17 is fixedly connected on one side inner wall of the frame 1, a second driving gear 18 is fixedly connected on one end outer wall of an output shaft of the second motor 17, and is engaged and connected on one side outer wall of the second driven gear 15 on one side outer wall of the second driving gear 18, a second protective cover 16 is fixedly connected on one side inner, one side of the second driven gear 15 is rotatably connected inside the second protective cover 16, so as to protect the second motor 17, a filter bin 20 is fixedly connected to the inner wall of one side of the frame 1, one end of the second water pipe 19 is inserted into the inner wall of one side of the filter bin 20, a spray head 21 is fixedly connected to the inner wall of one side of the filter bin 20 corresponding to one end of the second water pipe 19, one end of the second water pipe 19 is inserted into the inner wall of one side of the spray head 21, the spray head 21 is arranged to facilitate rapid cooling of the coal gas, a water storage tank 22 is arranged on the inner wall of the bottom end of the filter bin 20 to facilitate filtering of the coal gas, a water outlet 23 is formed on the inner wall of the bottom end of the filter bin 20 in a penetrating manner, a first limiting block 24 is fixedly connected to one side of the outer wall of the bottom end of the filter bin 20 corresponding to the water outlet 23, a, inlay on one side inner wall of first stopper 24 and be connected with pneumatic cylinder 26, fixedly connected with rubber buffer 27 on the one side inner wall that corresponds apopore 23 on the one end outer wall of pneumatic cylinder 26 output shaft, fixedly connected with intake pipe 28 on one side outer wall of filter house 20, fixedly connected with second stopper 29 on one side inner wall of intake pipe 28, it has seted up second through-hole 30 to distribute to link up on one side outer wall of second stopper 29, be convenient for let in of coal gas, fixedly connected with third motor 31 on one side outer wall of second stopper 29, fixedly connected with third protection cover 32 on the one side outer wall that corresponds third motor 31 on one side outer wall of second stopper 29, play the effect of protection third motor 31, fixedly connected with blast fan 33 on one side inner wall that corresponds intake pipe 28 on the one end outer wall of third motor 31 output shaft.
Referring to fig. 7, the present invention provides a method for controlling an automatic water replenishing device of a gas purification system, comprising a first step of condensing and blowing air; step two, desulfurization; step three, deamination; step four, washing benzene;
in the first step, the condensation air blast comprises the following steps;
1) raw coke oven gas produced by the coke oven, tar and ammonia water are introduced into a gas-liquid separator along a gas absorption pipeline;
2) after gas-liquid separation, raw gas comes out from the upper part and enters a transverse pipe primary cooler to cool the gas;
3) the coal gas discharged from the lower part of the horizontal pipe primary cooler enters an electric tar precipitator after passing through a baffle plate mist precipitator, and tar entrained in the coal gas is removed;
in the second step, the desulfurization comprises the following steps;
1) introducing the coke oven gas from the first step of cold blowing into a precooling tower, starting a first motor 9 and a second motor 17 to open a first ball valve 6 and a second ball valve 14, so that water in a water filling tank 11 is filled into a water pump 2, starting the water pump 2, spraying the gas by the action of a spray head 21 through the cooperation of a second water inlet pipe 4 and a second water delivery pipe 19, and cooling the gas;
2) introducing the precooled coal gas into a desulfurizing tower, and carrying out countercurrent contact with the desulfurizing liquid sprayed from the top of the tower to absorb hydrogen sulfide and hydrogen cyanide in the coal gas;
in the third step, the deamination comprises the following steps;
1) introducing the desulfurized coal gas into a coal gas preheater for heating;
2) introducing the preheated coal gas into an ammonium sulfate saturator, enabling the coal gas to flow along an annular space between the inner wall of the saturator and the outer wall of an acid remover in two streams at the upper part of the saturator, and spraying the coal gas in a reverse direction through circulating mother liquor, so that ammonia in the coal gas is absorbed by sulfuric acid in the mother liquor to generate ammonium sulfate crystals;
3) the deaminated coal gas is combined into one strand in the rear chamber of the saturator, continuously sprayed and washed by a small mother liquor circulating pump, enters a cyclone-type acid remover in the saturator along the tangential direction, acid mist carried in the coal gas is separated out, the coal gas comes out from the top of the saturator, and is further separated from the carried acid mist by an acid mist catcher;
wherein in the fourth step, the benzene washing comprises the following steps;
1) introducing the coal gas obtained in the third step into a final cooler for cooling;
2) introducing the cooled coal gas into a benzene washing tower, and reversely contacting the cooled coal gas with lean oil sprayed from the top of the benzene washing tower to absorb benzene in the coal gas;
based on the above, the present invention has the advantages that, when the present invention is used, the first motor 9 is started to drive the first driving gear 10 to rotate, and further drive the first driven gear 7 to rotate, so as to drive the first ball valve 6 to open, so that the water in the water tank 11 is filled into the water pump 2 through the first water inlet pipe 3, the water pump 2 is started, the water in the water storage tank 5 is led into the second water pipe 19 under the action of the second water inlet pipe 4, the first motor 9 is started to close the first ball valve 6, the second motor 17 is started to drive the second driving gear 18 to rotate, and further drive the second driven gear 15 to rotate, so as to drive the second ball valve 14 to open, so that the water in the second water pipe 19 flows into the water tank 11, so as to ensure a certain amount of water in the water tank 11, the second motor 17 is started, the second ball valve 14 is closed, and under the action of the water pump 2, leading in water to shower nozzle 21 through second raceway 19, start third motor 31, drive blast fan 33 rotates, makes in coal gas lets in filter cartridge 20, sprays the cooling and remove dust to coal gas through shower nozzle 21, starts pneumatic cylinder 26, drives rubber buffer 27 and removes, makes rubber buffer 27 and apopore 23 separate, exports filter cartridge 20 with the water after spraying.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a coal gas clean system's automatic water supply device, including frame (1), water pump (2), first inlet tube (3), second inlet tube (4), aqua storage tank (5), first ball valve (6), first driven gear (7), first protection casing (8), first motor (9), first driving gear (10), water tank (11), outlet pipe (12), first raceway (13), second ball valve (14), second driven gear (15), second protection casing (16), second motor (17), second driving gear (18), second raceway (19), filter bin (20), shower nozzle (21), reservoir (22), apopore (23), first stopper (24), first through-hole (25), pneumatic cylinder (26), rubber buffer (27), intake pipe (28), second stopper (29), second through-hole (30), Third motor (31), third protecting hood (32) and blast fan (33), its characterized in that: a water pump (2) is fixedly connected to the inner wall of one side of the rack (1), a first water inlet pipe (3) is inserted into the inner wall of one side of the input end of the water pump (2), a water filling tank (11) is fixedly connected to the inner wall of one side of the rack (1), the other end of the first water inlet pipe (3) is inserted into the inner wall of the bottom end of the water filling tank (11), a second water inlet pipe (4) is inserted into the outer wall of one side of the first water inlet pipe (3), a water storage tank (5) is arranged at the bottom end of the rack (1), the other end of the second water inlet pipe (4) is inserted into the water storage tank (5), a first ball valve (6) is fixedly connected to the outer wall of one side of the first water inlet pipe (3), a first driven gear (7) is fixedly connected to the outer wall of one end of the first ball valve (6), and a first motor (9), a first driving gear (10) is fixedly connected to the outer wall of one end of an output shaft of the first motor (9), the outer wall of one side of the first driving gear (10) is connected to the outer wall of one side of the first driven gear (7) in a meshed mode, a second water conveying pipe (19) is inserted into the inner wall of one side of the output end of the water pump (2), a first water conveying pipe (13) is inserted into the outer wall of one side of the second water conveying pipe (19), the other end of the first water conveying pipe (13) is inserted into the inner wall of one side of the water filling tank (11), a second ball valve (14) is fixedly connected to the outer wall of one side of the first water conveying pipe (13), a second driven gear (15) is fixedly connected to the outer wall of one side of the second ball valve (14), a second motor (17) is fixedly connected to the inner wall of one side of the rack (1), and a second driving gear (18) is fixedly connected to the outer wall, and the outer wall of one side of the second driving gear (18) is engaged and connected with the outer wall of one side of the second driven gear (15), a filter bin (20) is fixedly connected with the inner wall of one side of the rack (1), one end of a second water delivery pipe (19) is inserted and connected with the inner wall of one side of the filter bin (20), a water outlet hole (23) is formed on the inner wall of the bottom end of the filter bin (20) in a penetrating way, a first limiting block (24) is fixedly connected with one side of the outer wall of the bottom end of the filter bin (20) corresponding to the water outlet hole (23), a first through hole (25) is formed on one side of the inner wall of one side of the first limiting block (24) in a penetrating way, a hydraulic cylinder (26) is embedded and connected with the inner wall of one side of the first limiting block (24), a rubber plug (27) is fixedly connected with the inner wall of one, fixedly connected with intake pipe (28) on the outer wall of one side of filter bin (20), fixedly connected with second stopper (29) on the inner wall of one side of intake pipe (28), fixedly connected with third motor (31) on the outer wall of one side of second stopper (29), fixedly connected with blast fan (33) on the inner wall of one side of corresponding intake pipe (28) on the one end outer wall of third motor (31) output shaft.
2. A control method of an automatic water replenishing device of a gas purification system comprises the steps of firstly, condensing and blasting air; step two, desulfurization; step three, deamination; step four, washing benzene; the method is characterized in that:
in the first step, the condensation air blast comprises the following steps;
1) raw coke oven gas produced by the coke oven, tar and ammonia water are introduced into a gas-liquid separator along a gas absorption pipeline;
2) after gas-liquid separation, raw gas comes out from the upper part and enters a transverse pipe primary cooler to cool the gas;
3) the coal gas discharged from the lower part of the horizontal pipe primary cooler enters an electric tar precipitator after passing through a baffle plate mist precipitator, and tar entrained in the coal gas is removed;
in the second step, the desulfurization comprises the following steps;
1) introducing the coke oven gas from the first step of cold drum into a precooling tower, starting a first motor (9) and a second motor (17), opening a first ball valve (6) and a second ball valve (14), filling water in a water filling tank (11) into a water pump (2), starting the water pump (2), spraying the gas through the action of a spray head (21) by matching a second water inlet pipe (4) and a second water conveying pipe (19), and cooling the gas;
2) introducing the precooled coal gas into a desulfurizing tower, and carrying out countercurrent contact with the desulfurizing liquid sprayed from the top of the tower to absorb hydrogen sulfide and hydrogen cyanide in the coal gas;
in the third step, the deamination comprises the following steps;
1) introducing the desulfurized coal gas into a coal gas preheater for heating;
2) introducing the preheated coal gas into an ammonium sulfate saturator, enabling the coal gas to flow along an annular space between the inner wall of the saturator and the outer wall of an acid remover in two streams at the upper part of the saturator, and spraying the coal gas in a reverse direction through circulating mother liquor, so that ammonia in the coal gas is absorbed by sulfuric acid in the mother liquor to generate ammonium sulfate crystals;
3) the deaminated coal gas is combined into one strand in the rear chamber of the saturator, continuously sprayed and washed by a small mother liquor circulating pump, enters a cyclone-type acid remover in the saturator along the tangential direction, acid mist carried in the coal gas is separated out, the coal gas comes out from the top of the saturator, and is further separated from the carried acid mist by an acid mist catcher;
wherein in the fourth step, the benzene washing comprises the following steps;
1) introducing the coal gas obtained in the third step into a final cooler for cooling;
2) and introducing the cooled coal gas into a benzene washing tower, and reversely contacting the cooled coal gas with lean oil sprayed from the top of the benzene washing tower to absorb benzene in the coal gas.
3. The automatic water replenishing device of the gas purification system according to claim 1, wherein: the utility model discloses a safety protection device, including frame (1), one side inner wall of frame (1) goes up the first protection casing of fixedly connected with (8), and one side rotation of first driven gear (7) connects in the inside of first protection casing (8), fixedly connected with second protection casing (16) on one side inner wall of frame (1), and one side rotation of second driven gear (15) connects in the inside of second protection casing (16).
4. The automatic water replenishing device of the gas purification system according to claim 1, wherein: a water outlet pipe (12) is inserted on the outer wall of one side of the water filling tank (11), and the other end of the water outlet pipe (12) is inserted inside the water storage tank (5).
5. The automatic water replenishing device of the gas purification system according to claim 1, wherein: one end of the inner wall of one side of the filtering bin (20) corresponding to the second water delivery pipe (19) is fixedly connected with a spray head (21), and one end of the second water delivery pipe (19) is inserted into the inner wall of one side of the spray head (21).
6. The automatic water replenishing device of the gas purification system according to claim 1, wherein: a water storage tank (22) is arranged on the inner wall of the bottom end of the filtering bin (20).
7. The automatic water replenishing device of the gas purification system according to claim 1, wherein: and a second through hole (30) is distributed and penetrated on the outer wall of one side of the second limiting block (29).
8. The automatic water replenishing device of the gas purification system according to claim 1, wherein: and a third protection cover (32) is fixedly connected to the outer wall of one side of the second limiting block (29) corresponding to the outer wall of one side of the third motor (31).
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