CN117756212B - Landfill leachate evaporation mother liquor treatment equipment and treatment process thereof - Google Patents

Abstract

The invention relates to the technical field of environmental protection, in particular to garbage percolate evaporation mother liquor treatment equipment and a treatment process thereof, wherein the garbage percolate evaporation mother liquor treatment equipment comprises a treatment box, an evaporation assembly, a circulating liquid supply assembly and an automatic collecting assembly are arranged in the treatment box, a circulating heat supply assembly is arranged outside the treatment box, the evaporation assembly comprises a hollow rotary table and a heat supply pipe, the circulating liquid supply assembly comprises a liquid collecting box, a liquid inlet pipe and a liquid spraying mechanism, the automatic collecting assembly comprises a discharging pipe, a blanking scraping plate and a reciprocating scraping mechanism, hot gas generated by the mother liquor during evaporation can be recycled, so that the hot gas quantity for maintaining the temperature of the hollow rotary table in the subsequent heat supply pipe is reduced, the energy consumption is further reduced, and solid crystals falling onto the blanking scraping plate are scraped to the discharging pipe through a scraping strip, so that the solid crystals are effectively prevented from being accumulated on the blanking scraping plate.

Description

Landfill leachate evaporation mother liquor treatment equipment and treatment process thereof

Technical Field

The invention relates to the technical field of environmental protection, in particular to garbage leachate evaporation mother liquor treatment equipment and a treatment process thereof.

Background

The landfill leachate evaporation mother liquor refers to a concentrated solution obtained after MVR evaporation or multi-effect evaporator treatment in the landfill leachate treatment process. The characteristics of the landfill leachate evaporation mother liquor are as follows:

High contaminant content: the content of pollutants in the landfill leachate evaporation mother liquor is very high, and the pollutants comprise heavy metals, organic matters, inorganic matters and the like;

The treatment difficulty is high: because the content of pollutants in the landfill leachate evaporation mother liquor is high, the treatment difficulty is high, and no very effective treatment method exists at present;

There may be a safety hazard: if the landfill leachate evaporation mother liquor is improperly treated, potential safety hazards can be caused to the environment and human health.

The steam used as a heat source in the traditional mother liquor evaporation equipment needs to continuously heat the evaporation equipment, so that the energy consumption can be greatly increased after long-term use, and when solid crystals are scraped, part of the solid crystals are difficult to automatically slide down through the weight of the solid crystals, so that more solid crystals can be accumulated on the scraping plate after long-term use, and finally the discharging of the solid crystals is influenced, so that the garbage leachate evaporation mother liquor treatment process is necessary to solve the problems.

Disclosure of Invention

Based on the above, it is necessary to provide a landfill leachate evaporation mother liquor treatment device and a treatment process thereof, aiming at the problems in the prior art.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

The utility model provides a landfill leachate evaporation mother liquor treatment facility, including the treatment box, be equipped with the evaporation module in the treatment box, circulation feed liquor subassembly and automatic subassembly that gathers materials, the treatment box is equipped with circulation heating module outward, the evaporation module includes hollow carousel and heating tube, hollow carousel rotates with the treatment box and links to each other, the heating tube penetrates the treatment box from the outside and continuously pours into hot steam into in the hollow carousel, with this carries out first heat supply to hollow carousel, circulation feed liquor subassembly includes the collection liquid case, feed liquor pipe and hydrojet mechanism, the collection liquid case is located under the hollow carousel, the mother liquor is through the feed liquor pipe injection collection liquid incasement, hydrojet mechanism is used for taking out the mother liquor in the collection liquid case and spouts to one side of hollow carousel, automatic subassembly that gathers materials includes the discharging pipe, blanking scraper blade and reciprocal scraping mechanism, blanking scraper blade is used for scraping down the crystal that forms after evaporating the mother liquor from hollow carousel, reciprocal scraping mechanism is used for scraping the crystal that falls into on the blanking scraper blade to the discharging pipe, circulation heating module is used for with the gaseous suction that produces after the mother liquor evaporation and forms hot steam after compressing and carries out the secondary heat supply to hollow carousel.

Further, the hollow carousel is the level, the hollow carousel splits into two circle shells and No. two circle shells that are the symmetry state along its axial line, coaxial fixed being equipped with circular shrouding between No. one circle shells and No. two circle shells, the external diameter of circular shrouding is unanimous with the internal diameter of hollow carousel, the air vent has been seted up to the outer fringe department of circular shrouding, the coaxial line of heating tube and hollow carousel, and the heating tube level passes circular shrouding, the coaxial fixed circular baffle that is equipped with in the heating tube, circular baffle is located the centre of a circle department of circular shrouding, two sets of ventilation grooves that are the symmetry state about circular baffle have been seted up on the perisporium of heating tube.

Further, the outside of circle shell No. one and circle shell No. two all coaxial shaping has the commentaries on classics pipe, and the coaxial cover of commentaries on classics pipe is located outside the heating pipe, and all fixed a plurality of along the axial equidistance of heating pipe that is equipped with between heating pipe and the commentaries on classics pipe and distribute's sealed bearing, two commentaries on classics pipes pass the both sides of handling the case respectively, and every commentaries on classics pipe all rotates with the lateral wall that the handling case corresponds and links to each other, the both ends of heating pipe wear out in two commentaries on classics pipes respectively, fixed being equipped with between circular shrouding and the heating pipe moves the sealing washer.

Further, the blanking scraper blade is the side of inclined state fixed locating a round shell, and one side of blanking scraper blade is laminated mutually with the lateral wall of a round shell, the discharging pipe is vertical fixed locating the end of blanking scraper blade, reciprocal scraping mechanism includes sharp driving piece, scraping strip, lift mechanism and elasticity canceling release mechanical system, the top of blanking scraper blade is located to the scraping strip, sharp driving piece is used for driving the scraping strip along the reciprocal displacement of length direction of blanking scraper blade, the scraping strip has two strokes, be scraping the material stroke and the back stroke respectively, lift mechanism is used for lifting the scraping strip when scraping the strip and carries out the back stroke, elasticity canceling mechanical system is used for scraping the strip when scraping the material stroke and resets.

Further, lift mechanism includes the U-shaped frame that falls, bearing slat and elastic supporting bench, the U-shaped frame that falls includes a slat, no. two slats and connecting plate, a slat is vertical and keep away from the fixed continuous of one side of hollow carousel with the blanking scraper blade, no. two slats are parallel with a slat, the connecting plate links to each other a slat and No. two tops of slat, set up the parallel strip logical groove of length direction and blanking scraper blade's length direction on No. one slat, set up the parallel strip logical groove No. two with a strip logical groove, the shaping has slope and the platform that is close to blanking scraper blade end on the cell wall of No. two strip logical grooves in the below, the slope is upwards along the landing direction slope of fixed crystallizer, the platform links to each other with the highest end on slope, elastic supporting bench is including can carry out elastic reset's movable layer board after rising, movable layer board is located directly over the slope, the one end of movable layer board offsets with the highest end on slope and contacts, and along the length direction of No. two strip logical grooves, the contained angle between movable layer board and slope diminishes gradually, the bearing is parallel with No. two strip logical grooves, the bearing is located in the cell wall of No. two strip logical grooves and is located in proper order and is equipped with the parallel with the strip top of No. two strip scraper blade, the level is No. two strip is connected with the strip top is connected with the movable layer board.

Further, the elastic saddle further comprises a first cylindrical sliding seat, a first piston and a first spring, wherein the first cylindrical sliding seat is fixed on the side wall of the second slat, which is far away from the first slat, the axial direction of the first cylindrical sliding seat is perpendicular to the length direction of the second strip-shaped through groove, both ends of the first cylindrical sliding seat are of a closed structure, the first piston coaxially slides in the first cylindrical sliding seat, the sliding direction of the first piston is consistent with the axial direction of the first piston, the rod part of the first piston upwards penetrates out of the first cylindrical sliding seat, the movable supporting plate is fixedly connected with the upper end of the first piston, the cap end of the first piston downwards abuts against the inner bottom wall of the first cylindrical sliding seat, the first spring is sleeved on the rod part of the first piston, and both ends of the first spring respectively abut against the cap end of the first piston and the inner top wall of the first cylindrical sliding seat.

Further, the linear driving piece is a screw rod sliding table fixed on the side of the blanking scraping plate, the screw rod sliding table is provided with a sliding block which is displaced along the length direction of the blanking scraping plate, the elastic resetting mechanism comprises a second cylindrical sliding seat, a second piston and a second spring, the second cylindrical sliding seat is arranged between the first slat and the second slat, the axial direction of the second cylindrical sliding seat is parallel to the axial direction of the first cylindrical sliding seat, the second cylindrical sliding seat is fixedly arranged at the top of the sliding block, the top of the second cylindrical sliding seat is of a closed structure, the second piston coaxially slides in the second cylindrical sliding seat, the rod part of the second piston upwards penetrates out of the second cylindrical sliding seat and is fixedly connected with the guide pin, the cap end of the second piston downwards abuts against the sliding block, the second spring is sleeved on the rod part of the second spring, and the two ends of the second spring respectively abut against the cap end of the second piston and the inner top wall of the second cylindrical sliding seat.

Further, the liquid spraying mechanism comprises a spray nozzle, a spray pipe and a water suction pump, wherein the spray nozzle is fixedly arranged on the side of the hollow rotary table through the spray pipe, the water suction pump is fixedly arranged on the side of the liquid collecting box, the water inlet end of the water suction pump is communicated with the liquid collecting box through a first hose, and the water outlet end of the water suction pump is connected with the spray pipe through a second hose.

Further, circulation heating supply subassembly includes the exhaust tube, expand mask, compressor and back flow, the compressor is fixed to be located outside the processing box, the one end of exhaust tube links to each other with the inlet end of compressor, the other end of exhaust tube penetrates downwards from the top of processing box and handles the incasement, the flaring mask is located and is handled the incasement and link firmly with the other end of exhaust tube, the one end of back flow links to each other with the end of giving vent to anger of compressor, the other end of back flow is linked together with the heat supply pipe, the fixed a plurality of groups of sight glasses that are equipped with on the outer wall of processing box.

Further, a landfill leachate evaporation mother liquor treatment process comprises the following steps:

s1, heating a hollow rotary table through hot steam;

s2, sprinkling the garbage infiltration mother liquor onto mother liquor evaporation equipment through a circulating liquid supply assembly;

S3, continuously heating the mother liquor evaporation equipment by the gas after mother liquor evaporation through a circulating heat supply assembly;

S4, the solid crystals after mother liquor evaporation are collected independently through an automatic collecting assembly.

Compared with the prior art, the invention has the following beneficial effects:

firstly, hot gas generated by mother liquor during evaporation can be recycled, so that the hot steam quantity for maintaining the temperature of the hollow turntable in a subsequent heat supply pipe is reduced, and the energy consumption is further reduced;

secondly, scraping the solid crystals falling onto the blanking scraper to the discharging pipe through the scraping strip, so that the solid crystals are effectively prevented from being accumulated on the blanking scraper;

Thirdly, the scraping strip has two strokes respectively for scraping the material stroke and backing off the stroke, when scraping the material stroke in scraping the strip, the scraping strip can scrape the solid crystal thing on the blanking scraper to the discharging pipe, when scraping the strip and backing off the stroke, lifts the scraping strip through lifting mechanism to ensure that the scraping strip is spaced apart with the blanking scraper, prevent that solid crystal thing from being scraped up and influencing the normal landing of fixed crystal thing.

Drawings

FIG. 1 is a schematic perspective view of an embodiment;

FIG. 2 is a schematic perspective view of a circulation heating assembly and a circulation liquid supply assembly;

FIG. 3 is a schematic perspective view of a recirculating liquid supply assembly;

FIG. 4 is a schematic perspective view of an automated aggregate assembly;

FIG. 5 is a top view of the hollow turret;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is an enlarged partial schematic view of the portion A1 in FIG. 6;

FIG. 8 is an enlarged partial schematic view designated by A2 in FIG. 6;

FIG. 9 is a schematic diagram of a perspective structure of a blanking scraper and a reciprocating scraping mechanism;

fig. 10 is a schematic diagram of a three-dimensional structure of the blanking scraper and the reciprocating scraping mechanism;

FIG. 11 is an enlarged partial schematic view designated by A3 in FIG. 10;

FIG. 12 is a top view of a reciprocating scraping mechanism;

FIG. 13 is a cross-sectional view taken along line B-B of FIG. 12;

FIG. 14 is a top view of the lift mechanism;

FIG. 15 is a cross-sectional view taken along line C-C of FIG. 14;

FIG. 16 is a top view of the resilient return mechanism;

fig. 17 is a sectional view of fig. 16 taken along line D-D.

The reference numerals in the figures are: 1. a treatment box; 2. a hollow turntable; 3. a heat supply pipe; 4. a liquid collecting box; 5. a liquid inlet pipe; 6. a discharge pipe; 7. a blanking scraper; 8. a first round shell; 9. a second round shell; 10. a circular sealing plate; 11. a vent hole; 12. a circular baffle; 13. a vent groove; 14. a rotary pipe; 15. sealing the bearing; 16. a movable sealing ring; 17. scraping the strip; 18. supporting the lath; 19. a first ribbon board; 20. a second slat; 21. a connecting plate; 22. a first strip-shaped through groove; 23. a second strip-shaped through groove; 24. a ramp; 25. a platform; 26. a movable supporting plate; 27. a guide pin; 28. a first cylindrical sliding seat; 29. a first piston; 30. a first spring; 31. a screw rod sliding table; 32. a slide block; 33. a second cylindrical sliding seat; 34. a second piston; 35. a second spring; 36. a spray head; 37. a spray pipe; 38. a water pump; 39. a first hose; 40. a second hose; 41. an exhaust pipe; 42. a mask expanding cover; 43. a compressor; 44. a return pipe; 45. and a viewing mirror.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to FIGS. 1 to 17, a landfill leachate evaporation mother liquor treatment facility is shown, including processing case 1, be equipped with evaporation module in the processing case 1, circulation confession liquid subassembly and automatic subassembly that gathers materials, the evaporation module includes hollow carousel 2 and heating tube 3 outside processing case 1, hollow carousel 2 rotates continuously with processing case 1, heating tube 3 penetrates processing case 1 and continuously pours into hot steam into hollow carousel 2 from the outside, thereby this carries out first heat supply to hollow carousel 2, circulation confession liquid subassembly includes header tank 4, feed liquor pipe 5 and hydrojet mechanism, header tank 4 locates hollow carousel 2 under, the mother liquor is through feed liquor pipe 5 injection header tank 4, hydrojet mechanism is used for taking out the mother liquor in the header tank 4 and spouting to one side of hollow carousel 2, automatic subassembly that gathers materials includes discharging pipe 6, blanking scraper 7 and reciprocal scraping mechanism, blanking scraper 7 is used for scraping down the crystal that forms after the mother liquor evaporation from hollow carousel 2, reciprocal scraping mechanism is used for scraping the crystal that falls into blanking scraper 7 to discharging pipe 6, circulation module heat supply is used for producing gas and compressing the hollow carousel 2 after the heat of second compression after the heat absorption is carried out to hollow carousel 2.

The heat supply pipe 3 is used for injecting hot steam into the hollow rotary table 2 so as to heat the hollow rotary table 2, after the temperature of the hollow rotary table 2 rises, mother liquor is input into the liquid collecting tank 4 through the liquid inlet pipe 5, after that, the liquid spraying mechanism can continuously spray the mother liquor in the liquid collecting tank 4 onto the hollow rotary table 2, in the process that the mother liquor sprays onto the hollow rotary table 2, the dropped mother liquor can fall into the liquid collecting tank 4 again, the mother liquor evaporates in the rotating process of the hollow rotary table 2, hot air generated during the mother liquor evaporation rises and carries out secondary heat supply on the hollow rotary table 2 through the circulating heat supply assembly, solid crystals formed after the mother liquor evaporation can be scraped to the discharging pipe 6 along with the rotation of the hollow rotary table 2, meanwhile, the reciprocating scraping mechanism can scrape the solid crystals falling onto the blanking scraping plate 7, so that the hot air generated during the evaporation can be recycled, the heat steam maintaining the temperature of the hollow rotary table 2 in the subsequent heat supply pipe 3 can be further reduced, and the solid crystals separated out after the mother liquor evaporation can be independently collected through the automatic heat supply assembly so as to facilitate the subsequent solid crystals to be directly processed by filling or directly burying the solid crystals.

In order to reveal the specific structure of the hollow turnplate 2 and how the heating pipe 3 injects steam into the hollow turnplate 2, the following features are provided:

The hollow rotary table 2 is the level, the hollow rotary table 2 splits into two circle shells 8 and No. two circle shells 9 that are the symmetry state along its axial line, a circle shell 8 and No. two circle shells 9 between coaxial fixed circular shrouding 10 that is equipped with, the external diameter of circular shrouding 10 is unanimous with the internal diameter of hollow rotary table 2, vent 11 has been seted up to the outer fringe department of circular shrouding 10, the heating tube 3 is coaxial with hollow rotary table 2, and heating tube 3 level passes circular shrouding 10, the coaxial fixed circular baffle 12 that is equipped with in the heating tube 3, circular baffle 12 is located the centre of a circle department of circular shrouding 10, two sets of ventilation grooves 13 that are the symmetry state about circular baffle 12 have been seted up on the perisporium of heating tube 3.

The hot steam is injected into the heat supply pipe 3 from one end of the heat supply pipe 3, the hot steam flowing along the heat supply pipe 3 can be blocked by the circular baffle 12 when passing through the circular baffle 12, the hot steam can not be directly discharged to the other end of the heat supply pipe 3 at the moment, the hot steam can be discharged into the first round shell 8 through one group of ventilation grooves 13, the hot steam continuously injected into the first round shell 8 can heat the first round shell 8 at the moment, after the quantity of the hot steam in the first round shell 8 rises to a certain degree, the hot steam in the first round shell 8 can be discharged into the second round shell 9 through the ventilation holes 11 at the outer edge of the circular sealing plate 10, and finally the hot steam injected into the second round shell 9 can be discharged into the heat supply pipe 3 again through the other group of ventilation grooves 13, wherein the circular sealing plate 10 can use heat insulation materials, and the mother liquor can be directly sprayed onto the side wall of the first round shell 8.

In order to reveal how the hollow turntables 2 are rotatably connected to the treatment tank 1, the following features are provided:

The outside of circle shell 8 and circle shell 9 No. two is all coaxial shaping has a commentaries on classics pipe 14, the coaxial cover of commentaries on classics pipe 14 is located outside the heating pipe 3, and all fixed a plurality of along the sealing bearing 15 that the axial equidistance of heating pipe 3 distributes between heating pipe 3 and the commentaries on classics pipe 14, two changes the both sides of handling case 1 are passed respectively to pipe 14, and every changes the pipe 14 and all rotate with the lateral wall that handles case 1 and link to each other, the both ends of heating pipe 3 wear out respectively in two changes the pipe 14, fixed be equipped with between circular shrouding 10 and the heating pipe 3 and move sealing washer 16.

The hollow turntable 2 rotates through the rotating pipe 14, a driving source (not shown in the figure) for driving the rotating pipe 14 to rotate slowly in one direction is arranged outside the processing box 1 in actual use, the sealing bearings 15 are used for driving the rotating pipe 14 to rotate outside the heating pipe 3, and two sealing bearings 15 in symmetrical states are respectively close to the two groups of ventilation grooves 13, so that heat steam is prevented from escaping from between the rotating pipe 14 and the heating pipe 3.

In order to show the specific structure of the reciprocating scraping mechanism, the following characteristics are provided:

The blanking scraper 7 is the side of a circle shell 8 of incline condition fixed locating, and one side of blanking scraper 7 is laminated mutually with the lateral wall of a circle shell 8, discharging pipe 6 is vertical fixed locating the end of blanking scraper 7, reciprocal scraping mechanism includes the linear drive spare, scrape strip 17, lift mechanism and elasticity canceling release mechanical system, scrape the top that strip 17 located blanking scraper 7, the linear drive spare is used for driving the strip 17 along the reciprocal displacement of length direction of blanking scraper 7, scrape strip 17 has two strokes, scrape the material stroke and fall back stroke respectively, lift mechanism is used for lifting scraping strip 17 when scraping strip 17 and fall back the stroke, elasticity canceling mechanical system is used for scraping strip 17 and resets when scraping strip 17 and scraping the material stroke.

The solid crystal can be scraped by blanking scraper 7 along with the rotation of hollow carousel 2 finally, under the ideal state, the solid crystal that falls into blanking scraper 7 can directly slide to discharging pipe 6 along blanking scraper 7, but the actual conditions can appear that the frictional force between partial solid crystal and blanking scraper 7 is great and lead to solid crystal to fall smoothly, at this moment, scrape the solid crystal that falls into blanking scraper 7 through scraping strip 17 to discharging pipe 6, in the in-process of scraping the solid crystal, scraping strip 17 carries out reciprocating displacement through the linear drive spare, with this scraping strip 17 has two strokes respectively and is scraping stroke and backset stroke, when scraping strip 17 carries out the scraping stroke, scraping strip 17 can scrape the solid crystal on the blanking scraper 7 to discharging pipe 6, and when scraping strip 17 carries out the backset stroke, scraping strip 17 can not contact with blanking scraper 7, prevent that the solid crystal from being scraped and influencing the normal of solid crystal, then lift scraping strip 17 through lifting mechanism when scraping strip 17 carries out the backset stroke, in order to ensure that scraping strip 17 and scraper 7 carry out the interval and reset stroke and can reset to scraping strip 7 through scraping strip 17 and reset to the solid crystal on scraping strip 7 when scraping strip 17 and reset to the backset 7 and can reset to the discharging pipe 7.

In order to reveal the specific structure of the lifting mechanism, the following features are provided:

The lifting mechanism comprises an inverted U-shaped frame, a bearing lath 18 and an elastic supporting platform, wherein the inverted U-shaped frame comprises a lath 19, a lath 20 and a connecting plate 21, the lath 19 is vertical and fixedly connected with one side of the blanking lath 7, which is far away from the hollow turntable 2, the lath 20 is parallel to the lath 19, the connecting plate 21 is used for connecting the lath 19 with the top of the lath 20, a first strip-shaped through groove 22 with the length direction parallel to the length direction of the blanking lath 7 is formed on the lath 19, a second strip-shaped through groove 23 parallel to the first strip-shaped through groove 22 is formed on the lath 20, a slope 24 and a platform 25 are formed on the groove wall of the lower part, which is close to the tail end of the blanking lath 7, the slope 24 is inclined upwards along the direction of a fixed crystal, the platform 25 is connected with the highest end of the slope 24, the elastic supporting platform comprises a movable supporting plate 26 which can elastically reset after ascending, the movable supporting plate 26 is located right above the slope 24, one end of the movable supporting plate 26 is propped against the highest end of the slope 24, the supporting plate 23 is contacted with the supporting plate along the length direction of the lath 24, a second strip-shaped through groove 23 is formed on the groove 23, the groove 23 is parallel to the supporting plate 20, the second strip-shaped through groove 23 is formed between the supporting plate and the second strip-shaped through groove 23 and the second strip-shaped through groove 18, the supporting plate is located in turn, the sliding plate 20 is parallel to the sliding plate 18, and the supporting plate is located between the second strip-shaped through the sliding plate 18 and the sliding plate 18, and the sliding plate 20 is parallel to the sliding plate 18, and the sliding plate 20 is formed.

In the initial state, the scraping strip 17 is contacted with the top of the blanking scraping plate 7, at the moment, the guide pin 27 is arranged on the lower groove wall of the first strip-shaped through groove 22 and the second strip-shaped through groove 23, and when the scraping strip 17 performs the scraping stroke, the guide pin 27 slides on the lower groove wall of the first strip-shaped through groove 22 and the second strip-shaped through groove 23, after the scraping strip 17 finishes the scraping stroke, the scraping strip 17 continuously moves for a certain distance, at the moment, the guide pin 27 passes through the slope 24 and drives to the platform 25, when the guide pin 27 slides to the lowest end of the slope 24, the guide pin 27 is positioned between the movable supporting plate 26 and the slope 24, and then, along with the displacement of the guide pin 27, the movable supporting plate 26 is gradually lifted by the guide pin 27, the distance between the movable supporting plate 26 and the slope 24 is gradually increased, and at the same time, the guide pin 27 is lifted through the slope 24, so that the guide pin 27 can drive the scraping strip 17 to lift and separate from the blanking scraping plate 7, when the guide pin 27 slides from the highest end of the slope 24 to the platform 25, the scraping bar 17 is lifted and is spaced from the blanking scraping plate 7, meanwhile, the movable supporting plate 26 which is out of contact with the guide pin 27 is reset through elasticity, one end of the movable supporting plate 26 is contacted with the highest end of the slope 24, the movable supporting plate 26 cannot descend again, at the moment, the tops of the movable supporting plate 26, the supporting plate 18 and the platform 25 are flush, the guide pin 27 slides from the platform 25 to the movable supporting plate 26 and finally slides from the movable supporting plate 26 to the supporting plate 18 when the scraping bar 17 performs a backspacing stroke, so that the guide pin 27 is always in a lifting state during the backspacing of the scraping bar 17, finally, the scraping bar 17 is ensured to be spaced from the blanking scraping plate 7 all the time, and when the scraping bar 17 rolls back to an initial state, the guide pin 27 slides from the supporting plate 18, at this time, the elastic reset mechanism drives the whole scraping bar 17 to reset to a state of being in conflict with the blanking scraping plate 7, wherein the length of the supporting slat 18 is consistent with that of the blanking scraping plate 7, so that in the process of backing the scraping bar 17, the ascending state of the scraping bar 17 is maintained through the guide pin 27 arranged on the supporting slat 18, and the lengths of the first strip through groove 22 and the second strip through groove 23 are larger than that of the blanking scraping plate 7, so that the guide pin 27 can slide out from the supporting slat 18 before the scraping bar 17 is backing to the initial position.

In order to reveal the specific structure of the elastic pallet, the following features are provided:

The elastic saddle further comprises a first cylindrical sliding seat 28, a first piston 29 and a first spring 30, wherein the first cylindrical sliding seat 28 is fixed on the side wall of the second slat 20 far away from the first slat 19, the axial direction of the first cylindrical sliding seat 28 is perpendicular to the length direction of the second bar-shaped through groove 23, both ends of the first cylindrical sliding seat 28 are of a closed structure, the first piston 29 coaxially slides in the first cylindrical sliding seat 28, the sliding direction of the first piston 29 is consistent with the axial direction of the first piston, the rod part of the first piston 29 upwards penetrates out of the first cylindrical sliding seat 28, the movable supporting plate 26 is fixedly connected with the upper end of the first piston 29, the cap end of the first piston 29 downwards abuts against the inner bottom wall of the first cylindrical sliding seat 28, the first spring 30 is sleeved on the rod part of the first piston 29, and both ends of the first spring 30 abut against the cap end of the first piston 29 and the inner top wall of the first cylindrical sliding seat 28 respectively.

In the initial state, the spring 30 releases the elastic force to drive the piston 29 to move downwards, and finally the cap end of the piston 29 is abutted against the inner bottom wall of the cylindrical sliding seat 28, at this time, one end of the movable supporting plate 26 is abutted against the highest end of the slope 24, so that the movable supporting plate 26 is at the lowest point of the descending state, the movable supporting plate 26 cannot descend again, the movable supporting plate 26 is flush with the platform 25, after the guide pin 27 slides towards the slope 24, the movable supporting plate 26 is abutted against the guide pin 27 to gradually rise, in the process, the cap end of the piston compresses the spring 30, so that the spring 30 generates elastic force, after the guide pin 27 slides from the highest end of the slope 24 to the platform 25, the movable supporting plate 26 loses the abutment of the guide pin 27, at this time, the spring 30 drives the piston to reset downwards through the elastic force, and finally the movable supporting plate 26 is flush with the platform 25 again.

In order to show the specific structure of the elastic reset mechanism and the linear driving piece, the following characteristics are provided:

The linear driving piece is a screw rod sliding table 31 fixed at the side of the blanking scraper 7, the screw rod sliding table 31 is provided with a sliding block 32 which is displaced along the length direction of the blanking scraper 7, the elastic resetting mechanism comprises a second cylindrical sliding seat 33, a second piston 34 and a second spring 35, the second cylindrical sliding seat 33 is arranged between the first slat 19 and the second slat 20, the axial direction of the second cylindrical sliding seat 33 is parallel to the axial direction of the first cylindrical sliding seat 28, the second cylindrical sliding seat 33 is fixedly arranged at the top of the sliding block 32, the top of the second cylindrical sliding seat 33 is of a closed structure, the second piston 34 coaxially slides in the second cylindrical sliding seat 33, the rod part of the second piston 34 upwards penetrates out of the second cylindrical sliding seat 33 and is fixedly connected with the guide pin 27, the cap end of the second piston 34 downwards abuts against the sliding block 32, the second spring 35 is sleeved on the rod part of the second spring 35, and the two ends of the second spring 35 respectively abut against the cap end of the second piston 34 and the inner top wall of the second cylindrical sliding seat 33.

The sliding block 32 on the screw rod sliding table 31 can carry out reciprocating linear displacement, so that the elastic reset mechanism and the scraping strip 17 are driven by the sliding block 32 to carry out reciprocating motion, in an initial state, the second spring 35 drives the second piston 34 to move downwards through elastic force, the rod part of the second piston 34 drives the guide pin 27 to collide with the groove wall below the first strip-shaped through groove 22 and the second strip-shaped through groove 23, the guide pin 27 drives the scraping strip 17 to ascend in the process that the guide pin 27 slides to the slope 24, meanwhile, the ascending guide pin 27 compresses the second spring 35 through the second piston 34, so that the second spring 35 generates elastic force, so that after the guide pin 27 slides out of the supporting strip 18, the guide pin 27 loses collision, the second spring 35 drives the second piston 34 to move downwards, so that the guide pin 27 collides with the groove wall below the first strip-shaped through groove 22 and the second strip-shaped through groove 23 again, and finally the scraping strip 17 descends and contacts the scraping strip 7 again when the retraction stroke is ended.

In order to reveal the specific structure of the liquid spraying mechanism, the following features are provided:

The spray mechanism comprises a spray head 36, a spray pipe 37 and a water suction pump 38, wherein the spray head 36 is fixedly arranged at the side of the hollow rotary disc 2 through the spray pipe 37, the water suction pump 38 is fixedly arranged at the side of the liquid collecting box 4, the water inlet end of the water suction pump 38 is communicated with the liquid collecting box 4 through a first hose 39, and the water outlet end of the water suction pump 38 is connected with the spray pipe 37 through a second hose 40.

Mother liquor directly discharged into the treatment box 1 and mother liquor dropped when the mother liquor is sprayed to the hollow turntable 2 flow into the liquid collecting box 4, after the water suction pump 38 is started, the mother liquor in the liquid collecting box 4 is pumped out by the water suction pump 38 and finally sprayed to one side of the hollow turntable 2 through the spray head 36, and the mother liquor is sprayed out and is distributed on one side of the hollow turntable 2 in a mist form, so that after the hollow turntable 2 is heated, the mother liquor flowing on the hollow turntable 2 can be immediately evaporated.

In order to reveal the specific structure of the cyclic heating assembly, the following features are provided:

the circulation heat supply assembly comprises an exhaust pipe 41, an expanding mask 42, a compressor 43 and a return pipe 44, wherein the compressor 43 is fixedly arranged outside the treatment box 1, one end of the exhaust pipe 41 is connected with the air inlet end of the compressor 43, the other end of the exhaust pipe 41 penetrates into the treatment box 1 downwards from the top of the treatment box 1, the expanding mask 42 is arranged in the treatment box 1 and fixedly connected with the other end of the exhaust pipe 41, one end of the return pipe 44 is connected with the air outlet end of the compressor 43, the other end of the return pipe 44 is communicated with the heat supply pipe 3, and a plurality of groups of observation mirrors 45 are fixedly arranged on the outer wall of the treatment box 1.

The operation personnel observe the mother liquor evaporation situation in real time through the observation mirror 45 arranged on the outer wall of the treatment box 1, after the mother liquor is evaporated, hot air can rise into the flaring cover 42 at the inner top of the treatment box 1, so that after the compressor 43 is started, the hot air in the treatment box 1 can be pumped into the compressor 43 and compressed, the compressed air can be injected into the heating pipe 3 again through the return pipe 44, the hot air in the treatment box 1 can be converged with hot steam in the heating pipe 3 and discharged to the hollow turntable 2 together, and in the mother liquor evaporation stage, the supply amount of an external heat source is reduced by recycling the hot air after the mother liquor is evaporated, and the external heat source only plays a role of auxiliary heat supply at the moment, so that the energy consumption is further reduced.

A landfill leachate evaporation mother liquor treatment process comprises the following steps:

S1, heating the hollow turntable 2 through hot steam;

the hollow rotary table 2 continuously generates heat after being heated by steam, so that the heat generated by the mother liquor evaporation equipment evaporates the mother liquor, and finally, the mother liquor is evaporated to form gas and solid crystals.

S2, sprinkling the garbage infiltration mother liquor onto mother liquor evaporation equipment through a circulating liquid supply assembly;

The circulation supplies the liquid subassembly on the one hand can spill the rubbish infiltration mother liquor in the mother liquor jar to mother liquor evaporation plant on the other hand, can produce the drippage thing when mother liquor spill to hollow carousel 2, and the circulation supplies the liquid subassembly can spill the drippage and not through evaporating mother liquor to mother liquor evaporation plant again.

S3, continuously heating the mother liquor evaporation equipment by the gas after mother liquor evaporation through a circulating heat supply assembly;

The gas formed after the mother liquor is evaporated is refluxed to the hollow turntable 2 through the circulating heat supply assembly, so that the hollow turntable 2 is continuously supplied with heat, and the consumption of hot steam used in the process of heating the hollow turntable 2 is reduced through the circulating utilization of the gas in the production process, so that the energy consumption is greatly reduced.

S4, the solid crystals after mother liquor evaporation are collected independently through an automatic collecting assembly.

The automatic aggregate component is used for collecting the solid crystals independently, so that the solid crystals can be processed secondarily or directly buried.

Working principle:

The heat supply pipe 3 is used for injecting hot steam into the hollow rotary table 2 so as to heat the hollow rotary table 2, after the temperature of the hollow rotary table 2 rises, mother liquor is input into the liquid collecting tank 4 through the liquid inlet pipe 5, after that, the liquid spraying mechanism can continuously spray the mother liquor in the liquid collecting tank 4 onto the hollow rotary table 2, in the process that the mother liquor sprays onto the hollow rotary table 2, the dropped mother liquor can fall into the liquid collecting tank 4 again, the mother liquor evaporates in the rotating process of the hollow rotary table 2, hot air generated during the mother liquor evaporation rises and carries out secondary heat supply on the hollow rotary table 2 through the circulating heat supply assembly, solid crystals formed after the mother liquor evaporation can be scraped to the discharging pipe 6 along with the rotation of the hollow rotary table 2, meanwhile, the reciprocating scraping mechanism can scrape the solid crystals falling onto the blanking scraping plate 7, so that the hot air generated during the evaporation can be recycled, the heat steam maintaining the temperature of the hollow rotary table 2 in the subsequent heat supply pipe 3 can be further reduced, and the solid crystals separated out after the mother liquor evaporation can be independently collected through the automatic heat supply assembly so as to facilitate the subsequent solid crystals to be directly processed by filling or directly burying the solid crystals.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (6)

1. The utility model provides a landfill leachate evaporation mother liquor treatment facility, a serial communication port, including processing case (1), be equipped with evaporation module in processing case (1), circulation feed liquor subassembly and automatic subassembly that gathers materials, processing case (1) are equipped with circulation heat supply subassembly outward, evaporation module includes hollow carousel (2) and heating tube (3), hollow carousel (2) rotate with processing case (1) and link to each other, heating tube (3) penetrate processing case (1) and continuously to the injection hot steam in hollow carousel (2) from the outside, thereby carry out first heat supply to hollow carousel (2), circulation feed liquor subassembly includes collecting box (4), feed liquor pipe (5) and hydrojet mechanism, in collecting box (4) locate hollow carousel (2) under, mother liquor is through feed liquor pipe (5) injection collecting box (4), hydrojet mechanism is used for taking out the mother liquor in collecting box (4) and spouting to one side of hollow carousel (2), automatic feed liquor subassembly includes discharging pipe (6), blanking scraper blade (7) and reciprocal scraping mechanism, scraper blade (7) are used for forming crystallization thing after evaporating blanking liquid and are formed from hollow carousel (2) and are used for carrying out compression after falling into hollow carousel (7) and forming heat supply gas and reciprocal scraping mechanism and carrying out compression to the crystallization carousel (2), the hollow rotary table (2) is horizontal, the hollow rotary table (2) is split into a first round shell (8) and a second round shell (9) which are in symmetrical states along the axial line, a round sealing plate (10) is coaxially and fixedly arranged between the first round shell (8) and the second round shell (9), the outer diameter of the round sealing plate (10) is consistent with the inner diameter of the hollow rotary table (2), an air vent (11) is arranged at the outer edge of the round sealing plate (10), the heat supply pipe (3) and the hollow rotary table (2) are coaxial, the heat supply pipe (3) horizontally passes through the round sealing plate (10), a round baffle (12) is coaxially and fixedly arranged in the heat supply pipe (3), the round baffle (12) is positioned at the center of a circle of the round sealing plate (10), two groups of ventilation grooves (13) which are in symmetrical states relative to the round baffle (12) are arranged on the peripheral wall of the heat supply pipe (3), rotating pipes (14) are coaxially and formed at the outer sides of the first round shell (8) and the second round shell (9), the rotating pipes (14) are coaxially sleeved outside the heat supply pipe (3), the heat supply pipe (3) and the rotating pipes (14) are fixedly arranged between the heat supply pipe (3) and the rotating pipes (14) and the rotating pipes (1) are respectively and axially distributed along the two corresponding rotating boxes (1) and are respectively and axially distributed on two sides of the heat supply pipes (1 and are respectively and equidistant, the two ends of the heat supply pipe (3) penetrate out of the two rotating pipes (14) respectively, a movable sealing ring (16) is fixedly arranged between the round sealing plate (10) and the heat supply pipe (3), the blanking scraping plate (7) is fixedly arranged at the side of the first round shell (8) in an inclined state, one side of the blanking scraping plate (7) is attached to the side wall of the first round shell (8), the discharging pipe (6) is vertically and fixedly arranged at the tail end of the blanking scraping plate (7), the reciprocating scraping mechanism comprises a linear driving piece, a scraping strip (17), a lifting mechanism and an elastic reset mechanism, the scraping strip (17) is arranged at the top of the blanking scraping plate (7), the linear driving piece is used for driving the scraping strip (17) to reciprocate along the length direction of the blanking scraping plate (7), the scraping strip (17) is provided with two strokes, the scraping stroke and the rollback stroke are respectively, the lifting mechanism is used for lifting the scraping strip (17) in the rollback stroke when the scraping strip (17) is in the rollback stroke, the scraping strip (17) is reset, the lifting mechanism comprises a reverse U-shaped frame (18) and a hollow flat plate (19), the first lifting plate (19) is parallel to the hollow plate (20) and the hollow plate (19) is arranged at one side of the hollow plate (20), the connecting plate (21) connects the tops of the first strip (19) and the second strip (20), the first strip (19) is provided with a first strip through groove (22) with the length direction parallel to the length direction of the blanking strip (7), the second strip (20) is provided with a second strip through groove (23) parallel to the first strip through groove (22), the groove wall of the second strip through groove (23) below is provided with a slope (24) and a platform (25) close to the tail end of the blanking strip (7), the slope (24) inclines upwards along the sliding direction of fixed crystals, the platform (25) is connected with the highest end of the slope (24), the elastic support platform comprises a movable support plate (26) which can elastically reset after rising, the movable support plate (26) is positioned right above the slope (24), one end of the movable support plate (26) is propped against the highest end of the slope (24), the included angle between the movable support plate (26) and the slope (24) is gradually reduced along the length direction of the second strip through groove (23), the support plate (18) is gradually reduced, and the second strip (18) is parallel to the second strip (18) and the second strip (18) is not fixedly connected with the movable support plate (18), and the second strip (18) is not fixedly connected with the strip (18), the tops of the bearing lath (18) and the platform (25) are flush, and the scraping strip (17) is fixedly provided with a guide pin (27) which sequentially and horizontally passes through the first strip-shaped through groove (22) and the second strip-shaped through groove (23).

2. The landfill leachate evaporation mother liquor treatment device according to claim 1, wherein the elastic supporting table further comprises a first cylindrical sliding seat (28), a first piston (29) and a first spring (30), the first cylindrical sliding seat (28) is fixed on the side wall of the second slat (20) far away from the first slat (19), the axial direction of the first cylindrical sliding seat (28) is perpendicular to the length direction of the second slat through groove (23), two ends of the first cylindrical sliding seat (28) are of a closed structure, the first piston (29) coaxially slides in the first cylindrical sliding seat (28), the sliding direction of the first piston (29) is consistent with the axial direction of the first piston, the rod part of the first piston (29) upwards penetrates out of the first cylindrical sliding seat (28), the movable supporting plate (26) is fixedly connected with the upper end of the first piston (29), the cap end of the first piston (29) downwards abuts against the inner bottom wall of the first cylindrical sliding seat (28), the first spring (30) is sleeved on the rod part of the first piston (29), and the first spring (30) abuts against the two ends of the first piston (29) respectively.

3. The garbage leachate evaporation mother liquor treatment equipment according to claim 2, wherein the linear driving piece is a screw rod sliding table (31) fixed at the side of the blanking scraper (7), the screw rod sliding table (31) is provided with a sliding block (32) which is displaced along the length direction of the blanking scraper (7), the elastic resetting mechanism comprises a second cylindrical sliding table (33), a second piston (34) and a second spring (35), the second cylindrical sliding table (33) is arranged between the first slat (19) and the second slat (20), the axial direction of the second cylindrical sliding table (33) is parallel to the axial direction of the first cylindrical sliding table (28), the second cylindrical sliding table (33) is fixedly arranged at the top of the sliding block (32), the top of the second cylindrical sliding table (33) is of a closed structure, the second piston (34) coaxially slides in the second cylindrical sliding table (33), the rod part of the second piston (34) upwards penetrates out of the second cylindrical sliding table (33) and is fixedly connected with the guide pin (27), the cap end of the second piston (34) is downwards abutted against the sliding block (32), and the cap end of the second piston (34) is abutted against the top wall of the second spring (35) and the two ends of the second piston (35) are respectively arranged at the two ends of the second piston (35).

4. The landfill leachate evaporation mother liquor treatment device according to claim 1, wherein the liquid spraying mechanism comprises a spray nozzle (36), a spray pipe (37) and a water suction pump (38), the spray nozzle (36) is fixedly arranged at the side of the hollow rotary table (2) through the spray pipe (37), the water suction pump (38) is fixedly arranged at the side of the liquid collecting box (4), the water inlet end of the water suction pump (38) is communicated with the liquid collecting box (4) through a first hose (39), and the water outlet end of the water suction pump (38) is connected with the spray pipe (37) through a second hose (40).

5. The landfill leachate evaporation mother liquor treatment facility according to claim 1, wherein the circulation heating assembly comprises an exhaust pipe (41), a flaring cover (42), a compressor (43) and a return pipe (44), the compressor (43) is fixedly arranged outside the treatment box (1), one end of the exhaust pipe (41) is connected with an air inlet end of the compressor (43), the other end of the exhaust pipe (41) penetrates into the treatment box (1) downwards from the top of the treatment box (1), the flaring cover (42) is arranged in the treatment box (1) and is fixedly connected with the other end of the exhaust pipe (41), one end of the return pipe (44) is connected with an air outlet end of the compressor (43), the other end of the return pipe (44) is communicated with the heating pipe (3), and a plurality of groups of observation mirrors (45) are fixedly arranged on the outer wall of the treatment box (1).

6. A landfill leachate evaporation mother liquor treatment process, comprising a landfill leachate evaporation mother liquor treatment device according to claim 1, wherein the treatment process comprises the following steps:

S1, heating the hollow turntable (2) through hot steam;

s2, sprinkling the garbage infiltration mother liquor onto mother liquor evaporation equipment through a circulating liquid supply assembly;

S3, continuously heating the mother liquor evaporation equipment by the gas after mother liquor evaporation through a circulating heat supply assembly;

S4, the solid crystals after mother liquor evaporation are collected independently through an automatic collecting assembly.