CN117088449B - Direct contact type evaporator for garbage leachate membrane concentrate treatment - Google Patents

Abstract

The invention discloses a direct contact evaporator for treating a landfill leachate membrane concentrated solution, which comprises a tank body, a non-condensable gas preheater connected with the tank body, a condensed water preheater connected with the non-condensable gas preheater, a feeding box connected with the condensed water preheater, and a compressor connected with the tank body, wherein a heat pump connected with the compressor is arranged in the tank body, an evaporation area is arranged in the tank body, a spray emitter and a hot gas injector are arranged in the evaporation area, one end of the spray emitter penetrates through the tank body and is fixed with the connecting end of the non-condensable gas preheater through a connecting pipe, and one end of the hot gas injector penetrates through the tank body and is fixed with a compressor connecting pipe through the connecting pipe. Through spraying direct contact evaporation form, improve rubbish filtration liquid film concentrate heat transfer effect, be applicable to rubbish filtration liquid film concentrate treatment of different scales simultaneously, can also swiftly clear up the crystalline solid that adheres to on equipment, reduce the human cost.

Description

Direct contact type evaporator for garbage leachate membrane concentrate treatment

Technical Field

The invention relates to the technical field of landfill leachate membrane concentrate treatment, in particular to a direct contact evaporator for landfill leachate membrane concentrate treatment.

Background

The landfill leachate is secondary pollution generated after urban household garbage is sanitary and landfilled. The percolate not only has large water quantity change, but also does not have periodical change, thereby causing large change of water quality. The pollutant has various kinds, high concentration and wide concentration variation range. Meanwhile, the water quality of the percolate can also be changed according to the age of the landfill site, and the percolate has the characteristics that the specific gravity of the biodegradable organic matters is in a linear rising trend. Under the actions of atmosphere, precipitation, self degradation of garbage and the like, the water body is directly or indirectly polluted, and the utilization of natural water body by people is greatly influenced.

A direct contact evaporator for landfill leachate membrane concentrate disclosed in the prior publication number CN218145931U comprises an evaporator shell, wherein liquid is contained in the evaporator shell; a combustion chamber, the lower end of which is immersed in the liquid; and the flue gas distributor is connected with the lower end of the combustion chamber and comprises a gas distribution chamber and a plurality of flue gas pipelines, wherein a plurality of round holes are formed in the side wall of the gas distribution chamber and are connected with the flue gas pipelines, the tail end of the flue gas pipeline is far away from the combustion chamber and extends to the depth of liquid, and the tail end outlets of the flue gas pipelines are annularly and uniformly distributed in multiple layers. The flue gas is uniformly introduced into the liquid, so that the aggregation and adherence of bubbles are reduced, the liquid splashing and equipment vibration caused by the large bubble floating liquid surface are avoided, the flue gas flow channel is prevented from being blocked under high concentration ratio, and the stable and continuous operation of the system is ensured.

The existing scheme has the following problems that the flue gas distributor is immersed in the landfill leachate membrane concentrate to directly contact and exchange heat, the mode needs long time, has high energy consumption and poor heat exchange effect, and is not suitable for the treatment of the landfill leachate membrane concentrate in a medium-small scale; meanwhile, the concentrated percolate can be crystallized into solid to be attached to the evaporator, so that the evaporator needs to be cleaned in time, and the influence on the heat exchange effect is avoided.

Disclosure of Invention

The invention aims to provide a direct contact evaporator for treating a landfill leachate membrane concentrate, so as to solve the technical problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a direct contact formula evaporimeter for landfill leachate membrane concentrate handles, includes the jar body, with the noncondensable gas pre-heater of jar body coupling, the condensate water pre-heater of being connected with the noncondensable gas pre-heater to and the feeding case of being connected with the condensate water pre-heater, and the compressor of being connected with the jar body, the heat pump of being connected with the compressor, its characterized in that: an evaporation area is arranged in the tank body, a spray emitter and a hot gas injector are arranged in the evaporation area, one end of the spray emitter penetrates through the tank body and is fixed with the connecting end of the non-condensable gas preheater through a connecting pipe, and one end of the hot gas injector penetrates through the tank body and is fixed with the connecting end of the compressor through the connecting pipe;

the utility model discloses a jar body, jar body top is equipped with separating assembly, separating assembly includes the separator box, be equipped with the separation district in the separator box, the separator box is close to jar body one end and is fixed to be equipped with the trachea, just go up the trachea respectively with separation district, evaporation zone intercommunication, the separation district is close to the fixed two sets of silk screen mist eliminator that are equipped with in trachea one side, the separation district is kept away from silk screen mist eliminator one side and is fixed to be equipped with the air exhauster, separation district is close to air exhauster one side and link up there is down the trachea, just down the trachea is fixed with the compressor link.

The separation area is provided with a plurality of water holes at the bottoms of the two groups of the silk screen mist eliminators, one side of the separation box, which is close to the water holes, is fixedly provided with a reflux groove, and one end, which is far away from the separation box, of the reflux groove penetrates through the tank body and extends into the evaporation area.

Preferably, two sets of be equipped with the screw rod between the silk screen mist eliminator, the screw rod rotates with the separator tank upper and lower both sides respectively to be connected, the separator tank top is fixed to be equipped with the driving piece that drive screw rod was used in the rotation, the movable groove has been seted up in the silk screen mist eliminator both sides to the separation district, the screw rod middle-end is equipped with the movable rod, movable rod and screw rod threaded connection, movable rod both ends imbed sliding connection in the movable groove respectively, evenly be equipped with four sets of connecting blocks on the movable rod, the movable rod is located the both sides of screw rod and respectively symmetrically sets up two sets of, rotate on the connecting block and be connected with inner wall wire brush.

The utility model discloses a wire mesh defroster, including movable groove, wire mesh defroster, the movable groove is close to the movable groove both ends and is fixed respectively to be equipped with the dead lever, the dead lever symmetry is located the movable lever both sides, wire mesh defroster is kept away from inner wall wire brush one side and is equipped with outer wall wire brush respectively, outer wall wire brush both ends rotate respectively and connect on the dead lever.

Preferably, the dead lever is equipped with the chamber shell with outer wall wire brush link is fixed, chamber shell swivelling joint is equipped with a gear, outer wall wire brush one end runs through chamber shell and a gear fixed connection, movable groove is close to chamber shell one side and is fixed to be equipped with a rack, chamber shell is close to a rack one side and is equipped with the fluting, just a gear and a rack meshing.

The connecting block is kept away from inner wall wire brush one side and rotates the connection and be equipped with No. two gears, no. two gears and inner wall wire brush fixed connection, the movable groove is close to No. two gears one side and fixedly is equipped with No. two racks, just No. two gears and No. two rack engagement.

Preferably, the evaporation zone bottom is fixed and is equipped with the crystal removal subassembly, the crystal removal subassembly includes built-in layer, first annular has been seted up at built-in layer top, first annular one side is equipped with the bevel gear, the bevel gear runs through first annular and evaporation zone, just jar external wall is close to the fixed driving piece that supplies bevel gear to rotate usefulness that is equipped with in bevel gear one side, first spout has been seted up on first annular one side, be equipped with the gear circle on the first spout, sliding connection on first spout and first annular of gear circle tooth one side and bevel gear meshing, the second annular has been seted up to built-in layer bottom, built-in layer inner wall is equipped with the scraper blade, one side fixed connection that one end of scraper blade is close to first spout with the gear circle, the scraper blade is kept away from gear circle one end embedding second annular, just the scraper blade both ends are in first annular and second annular sliding connection respectively.

Preferably, a second sliding groove is formed in the second annular groove, a roller is rotatably connected to one end, close to the second sliding groove, of the scraping plate, the roller rolls in the second sliding groove, a third annular groove is formed between the first annular groove and the second annular groove in the built-in layer, an auxiliary block is fixedly arranged on one side, close to the third annular groove, of the scraping plate, and the auxiliary block is embedded into the third annular groove to be slidably connected.

Preferably, one side of the scraping plate is of an arc-shaped structure, the arc-shaped surface of the scraping plate is attached to the built-in layer, a guide plate is arranged at the top of the built-in layer, the guide plate is fixed on the evaporation area, and the guide plate is of a downward inclined structure.

Preferably, the bottom of the built-in layer is penetrated and is provided with a discharge hole, one side of the discharge hole, far away from the built-in layer, is fixedly penetrated and provided with a filter tank, a filter area is arranged in the filter tank, one side of the filter area, far away from the discharge hole, is provided with a liquid outlet, the filter area is fixedly provided with a filter screen at the top of the liquid outlet, one side of the filter tank is provided with a sealing door, one side, far away from the filter screen, of the liquid outlet is fixedly provided with a liquid pump, and the output end of the liquid pump is communicated with the feeding tank through a connecting pipe.

Preferably, the filter area is rotationally connected with a shovel wheel, a driving piece for the shovel wheel to rotate is fixedly arranged on one side of the filter box, the outer wall of the shovel wheel is of a crescent structure, and the shovel wheel is in contact with the filter screen.

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

after the garbage leachate membrane concentrate and the hot gas are treated by the equipment on two sides of the tank body, the spray emitter and the hot gas injector are used for spraying and direct contact evaporation respectively, so that the heat exchange effect of the garbage leachate membrane concentrate and the hot gas is improved, the method is applicable to the treatment of the garbage leachate membrane concentrate in different scales, meanwhile, the evaporation time is greatly shortened, and the energy consumption is saved; and the steel wire brush and the scraping plate are matched to clean the surface layer of the equipment crystallized into the solid, so that the operation of evaporation work is prevented from being influenced, and the energy is recycled through secondary evaporation treatment, so that the cost is better saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of the present embodiment;

fig. 2 is a front sectional view of the whole structure of the present embodiment;

FIG. 3 is a schematic cross-sectional view of the separation assembly of the present embodiment;

FIG. 4 is a schematic view of a wire mesh mist eliminator at the separation assembly of the present embodiment;

fig. 5 is a partial enlarged view of fig. 4 of the present embodiment;

FIG. 6 is a schematic cross-sectional view of the can of the present embodiment;

FIG. 7 is a schematic cross-sectional view of the decrystallization assembly of the present embodiment;

FIG. 8 is a schematic cross-sectional view of the filter box of the present embodiment;

fig. 9 is a partial enlarged view of fig. 6 of the present embodiment.

In the drawings, the list of components represented by the various numbers is as follows:

1. a tank body; 11. an evaporation zone; 2. a non-condensable gas preheater; 3. a condensate preheater; 4. a feed box; 5. a compressor; 6. a heat pump; 7. a spray emitter; 8. a hot gas injector; 9. a separation box; 91. a separation zone; 92. an upper air pipe; 93. a wire mesh mist eliminator; 94. an exhaust fan; 95. a lower air pipe; 96. a water through hole; 97. a reflux groove; 10. a screw; 101. a movable groove; 102. a moving rod; 103. a connecting block; 104. an inner wall wire brush; 105. a fixed rod; 106. an outer wall steel wire brush; 107. a cavity shell; 1071. slotting; 108. a first gear; 109. a first rack; 110. a second gear; 111. a second rack; 12. a built-in layer; 121. a first ring groove; 122. bevel gears; 123. a first chute; 124. a gear ring; 125. a second ring groove; 126. a scraper; 1261. a roller; 127. a second chute; 128. a third ring groove; 129. an auxiliary block; 13. a deflector; 14. a discharge port; 15. a filter box; 151. a filtration zone; 152. a liquid outlet; 153. a filter screen; 154. sealing the door; 155. a shovel wheel; 16. and (3) a liquid pump.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: the direct contact evaporator for treating the landfill leachate membrane concentrated solution comprises a tank body 1, a non-condensable gas preheater 2 connected with the tank body 1, a condensate water preheater 3 connected with the non-condensable gas preheater 2, a feeding box 4 connected with the condensate water preheater 3, and a compressor 5 connected with the tank body 1, a heat pump 6 connected with the compressor 5, wherein an evaporation area 11 is arranged in the tank body 1, a spray emitter 7 and a hot gas injector 8 are arranged in the evaporation area 11, one end of the spray emitter 7 penetrates through the tank body 1 and is fixed with the connecting end of the non-condensable gas preheater 2 through a connecting pipe, and one end of the hot gas injector 8 penetrates through the tank body 1 and is fixed with the connecting end of the compressor 5 through the connecting pipe;

the jar body 1 top is equipped with separating assembly, separating assembly includes separator box 9, be equipped with separation zone 91 in the separator box 9, separator box 9 is close to jar body 1 one end and is fixed to be equipped with trachea 92, and go up trachea 92 respectively with separation zone 91, evaporation zone 11 intercommunication, separation zone 91 is close to and is fixed to be equipped with two sets of silk screen mist eliminators 93 on one side of trachea 92, separation zone 91 keeps away from silk screen mist eliminators 93 one side and is fixed to be equipped with air exhauster 94, separation zone 91 is close to air exhauster 94 one side and link up there is down trachea 95, and down trachea 95 is fixed with compressor 5 link.

The separation area 91 is in two sets of a plurality of limbers 96 have been seted up to wire mesh defroster 93 bottom, separation case 9 is close to limbers 96 one side and is fixed to be equipped with the reflux drum 97, reflux drum 97 keeps away from separation case 9 one end and runs through jar body 1 and extend to evaporation zone 11 in, sprays in the steam that the direct contact evaporation back generated enters into separation area 91 through air exhauster 94, and the steam rises the process because the dual effect of gravity and wire mesh defroster for the liquid drop entrained in the steam is stopped by the high efficiency, and a part passes through limbers 96 again and circulates back in evaporation zone 11 through reflux drum 97, and a part forms secondary steam and gets into in the compressor 5.

Specifically, a screw rod 10 is arranged between two groups of wire mesh demisters 93, the screw rod 10 is respectively and rotatably connected with the upper side and the lower side of a separation box 9, a driving piece for driving the screw rod 10 to rotate is fixedly arranged at the top of the separation box 9, movable grooves 101 are formed in the two sides of the wire mesh demisters 93 in the separation area 91, a movable rod 102 is arranged at the middle end of the screw rod 10, the movable rod 102 is in threaded connection with the screw rod 10, the two ends of the movable rod 102 are respectively embedded into the movable grooves 101 and slidably connected, four groups of connecting blocks 103 are uniformly arranged on the movable rod 102, the movable rod 102 is respectively and symmetrically arranged at the two sides of the screw rod 10, an inner wall wire brush 104 is rotatably connected on the connecting blocks 103, the driving piece drives the screw rod 10 to rotate, so that the movable rod 102 moves, the connecting blocks 103 fixed on the movable rod 102 drive the inner wall wire brush 104 to clean the inner wall of the wire mesh demisters 93, and the influence on the surface layer crystal solids of the wire mesh demisters 93 on the secondary steam recovery into the compressor 5 is avoided; the movable rod 102 is close to the fixed dead lever 105 that is equipped with respectively in movable tank 101 both ends, and the dead lever 105 symmetry locates the movable rod 102 both sides, and wire mesh defroster 93 is kept away from inner wall wire brush 104 one side and is equipped with outer wall wire brush 106 respectively, and outer wall wire brush 106 both ends rotate respectively and connect on the dead lever 105, and when the movable rod 102 removed, the fixed dead lever 105 of both ends is followed in movable tank 101 and is slided, drives outer wall wire brush 106 simultaneously and clear up wire mesh defroster 93 outer wall, avoids wire mesh defroster 93 top layer crystallization solid, influences the secondary steam to retrieve to in the compressor 5.

Specifically, a cavity shell 107 is fixedly arranged at the connecting end of the fixing rod 105 and the outer wall steel wire brush 106, a first gear 108 is rotationally connected with the cavity shell 107, one end of the outer wall steel wire brush 106 penetrates through the cavity shell 107 and is fixedly connected with the first gear 108, a first rack 109 is fixedly arranged at one side of the movable groove 101 close to the cavity shell 107, a slot 1071 is arranged at one side of the cavity shell 107 close to the first rack 109, the first gear 108 is meshed with the first rack 109, the fixing rod 105 is driven to move when the moving rod 102 moves on the screw 10, meanwhile, the first gear 108 in the cavity shell 107 runs on the first rack 109, and the first gear 108 drives the outer wall steel wire brush 106 to rotate, so that the outer surface layer crystal solids of the screen mist eliminator 93 are brushed down; the connecting block 103 is provided with a gear No. two 110 in a rotating connection way on one side far away from the inner wall wire brush 104, the gear No. two 110 is fixedly connected with the inner wall wire brush 104, a gear No. two 111 is fixedly arranged on one side, close to the gear No. two 110, of the movable groove 101, the gear No. two 110 is meshed with the gear No. two 111, the connecting block 103 is driven to move simultaneously when the moving rod 102 moves, the gear No. two 110 runs on the gear No. two 111, so that the gear No. two 111 drives the inner wall wire brush 104 to rotate, and the inner surface layer crystal solid of the screen mist eliminator 93 is brushed down.

Specifically, the bottom of the evaporation zone 11 is fixedly provided with a crystal removing assembly, the crystal removing assembly comprises an inner layer 12, the top of the inner layer 12 is provided with a first annular groove 121, one side of the first annular groove 121 is provided with a bevel gear 122, the bevel gear 122 penetrates through the first annular groove 121 and the evaporation zone 11, one side of the outer wall of the tank body 1, which is close to the bevel gear 122, is fixedly provided with a driving piece for rotating the bevel gear 122, one side of the first annular groove 121 is provided with a first sliding groove 123, the first sliding groove 123 is provided with a gear ring 124, the gear ring 124 is in sliding connection with the first annular groove 121, one side of a tooth of the gear ring 124 is meshed with the bevel gear 122, the bottom of the inner layer 12 is provided with a second annular groove 125, the inner wall of the inner layer 12 is provided with a scraper 126, one end of the scraper 126 is fixedly connected with one side, which is close to the first annular groove 123, of the scraper 126 is far away from the gear ring 124, one end of the scraper 126 is embedded into the second annular groove 125, two ends of the scraper 126 are respectively in sliding connection with the first annular groove 121, the bevel gear 122 is driven by the driving piece to rotate, the bevel gear 122 is driven by the driving piece to slide 124 in the first annular groove 121, and simultaneously, and the scraper 126 is also driven to move on the inner side of the bevel gear ring 121, which is fixed on the first annular groove 121.

Specifically, the second groove 127 is formed in the second groove 125, the scraper 126 is rotationally connected with a roller 1261 near one end of the second groove 127, the roller 1261 rolls in the second groove 127, the built-in layer 12 is formed between the first groove 121 and the second groove 125, the third groove 128 is fixedly arranged on one side of the scraper 126 near the third groove 128, the auxiliary block 129 is embedded into the third groove 128 and is slidingly connected with the scraper 126, the roller 1261 rolls in the second groove 127, the smoothness of sliding of the scraper in the second groove 125 is ensured, meanwhile, the auxiliary block 129 slides in the third groove 128, and the stability of moving of the scraper 125 in the built-in layer 12 is enhanced.

Specifically, one side of the scraping plate 126 is in an arc structure, and the arc surface of the scraping plate 126 is attached to the built-in layer 12, so that crystals attached to the built-in layer 12 can be scraped off by the arc surface of the scraping plate 126; the top of the built-in layer 12 is provided with a guide plate 13, the guide plate 13 is fixed on the evaporation zone 11, the guide plate 13 is of a downward inclined structure, concentrated solution sprayed in a direct contact mode can flow to the bottom of the built-in layer 12 through the guide plate 13, and concentrated solution flowing back through the reflux groove 97 can also flow to the bottom of the built-in layer 12 through the guide plate 13.

Specifically, the bottom of built-in layer 12 runs through and is equipped with discharge gate 14, discharge gate 14 keeps away from the fixed rose box 15 that link up in built-in layer 12 one side, be equipped with filtration district 151 in the rose box 15, filtration district 151 is kept away from discharge gate 14 one side and is equipped with liquid outlet 152, filtration district 151 is equipped with filter screen 153 in the fixed filter screen 153 in liquid outlet 152 top, rose box 15 one side is equipped with sealing door 154, liquid outlet 152 is kept away from filter screen 153 one side and is fixed and is equipped with liquid pump 16, and liquid pump 16 output and feeding case 4 pass through the connecting pipe intercommunication, scrape out the crystallization through filter screen 153 with scraper 126 and keep apart in filtration district 151, the concentrate after the filtration is passed through liquid pump 16 and is sent back to feeding case 4 in, the staff can clear up crystalline material through sealing door 154.

Specifically, the filter area 151 is rotationally connected with the shovel wheel 155, and the fixed driving piece that supplies shovel wheel 155 rotation to be equipped with in filter tank 15 one side, and shovel wheel 155 outer wall is crescent structure, and shovel wheel 155 and filter screen 153 contact, and driving piece drive shovel wheel 155 is with the crystallization material shovel on the filter screen 153, avoids blockking up filter screen 153, and shovel wheel 155 rotates reciprocally to shovel crystallization material up, clears away after the operating personnel passes through opening sealing door 154.

One specific application embodiment of this embodiment is:

when the device is used, concentrated solution subjected to pretreatment such as acid regulation is pressurized and then subjected to heat exchange and temperature rise by the condensate water preheater 3, then enters the noncondensable gas preheater 2 and noncondensable gas for further heat exchange and temperature rise, then enters the tank body 1 and is sprayed out by the spray emitter 7, the heat pump 6 conveys hot gas into the compressor 5, the compressor 5 pressurizes the hot gas and then sprays out by the hot gas sprayer 8, and is simultaneously in direct contact with concentrated solution sprayed out by the spray emitter 7, the hot gas and the concentrated solution are instantaneously vaporized, steam and the concentrated solution respectively flow towards the upper end and the lower end, steam enters the separation area 91 through the exhaust fan 94, liquid drops carried in the steam are efficiently intercepted due to the double action of gravity and the silk screen demister in the rising process, and part of the liquid drops are recycled into the evaporation area 11 through the reflux groove 97 again, and part of the liquid drops form secondary steam and enter the compressor 5; the driving piece drives the screw rod 10 to rotate, so that the moving rod 102 moves, a connecting block 103 fixed on the moving rod 102 drives an inner wall steel wire brush 104 to brush off and clean the inner wall of the wire mesh demister 93, a fixed rod 105 fixed at two ends slides in the movable groove 101 along with the moving rod 102 while moving, and meanwhile, an outer wall steel wire brush 106 is driven to brush off and clean the outer wall of the wire mesh demister 93, so that the phenomenon that the surface layer crystalline solid of the wire mesh demister 93 affects the recovery of secondary steam into the compressor 5 is avoided; the concentrated solution can flow to the bottom of the built-in layer 12 through the guide plate 13, and meanwhile, the concentrated solution flowing back through the reflux groove 97 can also flow to the bottom of the built-in layer 12 through the guide plate 13; the driving piece drives the bevel gear 122 to drive the gear ring 124 to rotate, drives the scraping plate 126 to scrape off crystallized substances on the built-in layer 12, the crystallized substances and concentrated solution enter the filter tank 15 together, the driving piece drives the shovel wheel 155 to shovel up the crystallized substances on the filter screen 153, the filter screen 153 is prevented from being blocked, the concentrated solution is returned into the feed tank 4 through the liquid pump 16, and the shovel wheel 155 rotates to and fro to shovel up the crystallized substances until an operator cleans the crystallized substances after the sealing door 154 is opened.

In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (6)

1. A direct contact evaporator for landfill leachate membrane concentrate treatment, comprising a tank (1), a noncondensable gas preheater (2) connected with the tank (1), a condensate water preheater (3) connected with the noncondensable gas preheater (2), a feed box (4) connected with the condensate water preheater (3), and a compressor (5) connected with the tank (1), and a heat pump (6) connected with the compressor (5), characterized in that: an evaporation area (11) is arranged in the tank body (1), a spray emitter (7) and a hot gas injector (8) are arranged in the evaporation area (11), one end of the spray emitter (7) penetrates through the tank body (1) and is fixed with the connecting end of the non-condensable gas preheater (2) through a connecting pipe, and one end of the hot gas injector (8) penetrates through the tank body (1) and is fixed with the connecting end of the compressor (5) through a connecting pipe;

the utility model discloses a jar body, including jar body (1), separation subassembly includes separator box (9), be equipped with separation district (91) in separator box (9), separator box (9) are close to jar body (1) one end and are fixed be equipped with gas tube (92), just gas tube (92) are linked together with separation district (91), evaporation district (11) respectively, separation district (91) are close to gas tube (92) one side and are fixed be equipped with two sets of wire mesh defroster (93), separation district (91) are kept away from wire mesh defroster (93) one side and are fixed be equipped with air exhauster (94), separation district (91) are close to air exhauster (94) one side and link up have down trachea (95), just down trachea (95) are fixed with compressor (5) link;

the separation area (91) is provided with a plurality of water through holes (96) at the bottoms of the two groups of the silk screen mist eliminators (93), one side of the separation box (9) close to the water through holes (96) is fixedly provided with a reflux groove (97), and one end, far away from the separation box (9), of the reflux groove (97) penetrates through the tank body (1) and extends into the evaporation area (11);

the two groups of the silk screen mist eliminators (93) are provided with screw rods (10), the screw rods (10) are respectively connected with the upper side and the lower side of the separation box (9) in a rotating mode, driving parts for driving the screw rods (10) to rotate are fixedly arranged at the top of the separation box (9), movable grooves (101) are formed in the two sides of the silk screen mist eliminators (93) in the separation area (91), movable rods (102) are arranged at the middle ends of the screw rods (10), the movable rods (102) are in threaded connection with the screw rods (10), two ends of each movable rod (102) are respectively embedded into the movable grooves (101) in a sliding mode, four groups of connecting blocks (103) are uniformly arranged on the movable rods (102), two groups of the movable rods (102) are symmetrically arranged on the two sides of the screw rods (10), and inner wall steel wire brushes (104) are rotationally connected to the connecting blocks (103);

the two ends of the movable rod (102) close to the movable groove (101) are respectively and fixedly provided with a fixed rod (105), the fixed rods (105) are symmetrically arranged on two sides of the movable rod (102), one side, far away from the inner wall wire brush (104), of the wire mesh demister (93) is respectively provided with an outer wall wire brush (106), and two ends of the outer wall wire brush (106) are respectively and rotatably connected to the fixed rods (105);

a cavity shell (107) is fixedly arranged at the connecting end of the fixing rod (105) and the outer wall steel wire brush (106), a first gear (108) is rotationally connected with the cavity shell (107), one end of the outer wall steel wire brush (106) penetrates through the cavity shell (107) and is fixedly connected with the first gear (108), a first rack (109) is fixedly arranged on one side, close to the cavity shell (107), of the movable groove (101), a slot (1071) is formed in one side, close to the first rack (109), of the cavity shell (107), and the first gear (108) is meshed with the first rack (109);

the connecting block (103) is far away from the inner wall wire brush (104) one side and rotates to be connected and be equipped with No. two gears (110), no. two gears (110) and inner wall wire brush (104) fixed connection, movable groove (101) are close to No. two gears (110) one side fixedly and are equipped with No. two racks (111), just No. two gears (110) and No. two racks (111) meshing.

2. The direct contact evaporator for landfill leachate membrane concentrate treatment of claim 1, wherein: the utility model provides a solar cell module, including evaporation zone (11), evaporation zone (11) bottom is fixed to be equipped with except that brilliant subassembly, remove brilliant subassembly includes built-in layer (12), first annular (121) have been seted up at built-in layer (12) top, first annular (121) one side is equipped with bevel gear (122), bevel gear (122) run through first annular (121) and evaporation zone (11), just jar body (1) outer wall is close to the fixed driving piece that supplies bevel gear (122) rotation to be equipped with in bevel gear (122) one side, first spout (123) have been seted up on first annular (121) one side, be equipped with gear circle (124) on first spout (123), sliding connection on first spout (123) and first annular (121) gear circle (124), gear circle (124) tooth one side and bevel gear (122) meshing, second annular (125) have been seted up to built-in layer (12) bottom, built-in layer (12) inner wall is equipped with scraper blade (126), scraper blade (126) one end and one side fixed connection that scraper blade (124) are close to first spout (123), gear circle (125) and second annular (125) are kept away from respectively.

3. The direct contact evaporator for landfill leachate membrane concentrate treatment according to claim 2, wherein: the novel scraper blade is characterized in that a second sliding groove (127) is formed in the second annular groove (125), a roller (1261) is rotatably connected to one end of the scraper blade (126) close to the second sliding groove (127), the roller (1261) rolls in the second sliding groove (127), a third annular groove (128) is formed in the inner layer (12) between the first annular groove (121) and the second annular groove (125), an auxiliary block (129) is fixedly arranged on one side of the scraper blade (126) close to the third annular groove (128), and the auxiliary block (129) is embedded into the third annular groove (128) to be connected in a sliding mode.

4. A direct contact evaporator for landfill leachate membrane concentrate treatment according to claim 3, wherein: one side of the scraping plate (126) is of an arc-shaped structure, the arc-shaped surface of the scraping plate (126) is attached to the built-in layer (12), a guide plate (13) is arranged at the top of the built-in layer (12), the guide plate (13) is fixed on the evaporation zone (11), and the guide plate (13) is of a downward inclined structure.

5. The direct contact evaporator for landfill leachate membrane concentrate treatment of claim 4, wherein: the utility model discloses a filter device for the feeding box of the coal mine, including built-in layer (12), discharge gate (14) are kept away from built-in layer (12) one side and are fixed link up and are equipped with rose box (15), be equipped with filter zone (151) in rose box (15), filter zone (151) are kept away from discharge gate (14) one side and are equipped with liquid outlet (152), filter zone (151) are fixed in liquid outlet (152) top and are equipped with filter screen (153), rose box (15) one side is equipped with sealing door (154), filter screen (153) one side is kept away from to liquid outlet (152) is fixed and is equipped with liquid pump (16), just liquid pump (16) output and feeding box (4) pass through the connecting pipe intercommunication.

6. The direct contact evaporator for landfill leachate membrane concentrate treatment of claim 5, wherein: the filter area (151) is rotationally connected with a shovel wheel (155), a driving piece for the shovel wheel (155) to rotate is fixedly arranged on one side of the filter box (15), the outer wall of the shovel wheel (155) is of a crescent structure, and the shovel wheel (155) is in contact with the filter screen (153).