CN219771815U - Landfill leachate low temperature evaporator - Google Patents
Landfill leachate low temperature evaporator Download PDFInfo
- Publication number
- CN219771815U CN219771815U CN202321188688.1U CN202321188688U CN219771815U CN 219771815 U CN219771815 U CN 219771815U CN 202321188688 U CN202321188688 U CN 202321188688U CN 219771815 U CN219771815 U CN 219771815U
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- arc
- pipeline
- crystallization tank
- landfill leachate
- shaped
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 22
- 238000002425 crystallisation Methods 0.000 claims abstract description 35
- 230000008025 crystallization Effects 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000010992 reflux Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000006228 supernatant Substances 0.000 abstract description 16
- 239000013078 crystal Substances 0.000 abstract description 15
- 238000001704 evaporation Methods 0.000 abstract description 12
- 230000008020 evaporation Effects 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a landfill leachate low-temperature evaporator, which aims to solve the technical problem that crystals generated during the treatment and evaporation of the landfill leachate enter a pipeline to cause pipeline blockage at present, and comprises an evaporator body, a crystallization tank, a circulating pump and an interception structure; the crystallization tank is arranged at the inner bottom of the evaporator body; the inlet end of the circulating pump is connected with the clear liquid discharge port of the crystallization tank through a pipeline A, and the discharge end of the circulating pump is connected with the reflux port of the evaporator body through a pipeline B; the interception structure is arranged in the crystallization tank, and the utility model has the advantages that garbage leachate is firstly evaporated and crystallized in the crystallization tank to realize solid-liquid layering, the circulating pump pumps out supernatant liquid in the crystallization tank through the pipeline A and sends the supernatant liquid back to the evaporator body from the pipeline B for evaporation reaction, and crystals are reduced to appear in the pipeline of the evaporator body.
Description
Technical Field
The utility model relates to the technical field of evaporators, in particular to a landfill leachate low-temperature evaporator.
Background
The evaporating crystallizer utilizes the evaporating part of solvent to reach the supersaturation degree of the solution, and is widely used for evaporating concentration and waste liquid treatment of water or organic solvent solution in the industries of medicine, food, chemical industry, light industry and the like.
Compared with other forms of crystallization evaporators, the central circulation tube type low-temperature evaporator has the advantages of good solution circulation, high heat transfer rate, low running cost and the like, and meanwhile, the central circulation tube type low-temperature evaporator is very wide in application due to compact structure, convenient manufacture and the like. However, the traditional central circulation low-temperature evaporator is only suitable for evaporating a solution with a small amount of crystallization or no crystallization, and a large amount of crystallization can occur when garbage leachate is treated and evaporated, and crystals enter a pipeline in the circulation process to cause pipeline blockage. In view of this, we propose a landfill leachate low temperature evaporator.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a landfill leachate low-temperature evaporator so as to solve the technical problem that crystals generated during the treatment and evaporation of the landfill leachate enter a pipeline to cause pipeline blockage.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the low-temperature evaporator for the landfill leachate is designed and comprises an evaporator body, a crystallization tank, a circulating pump and an interception structure;
the crystallization tank is arranged at the inner bottom of the evaporator body; the inlet end of the circulating pump is connected with the clear liquid discharge port of the crystallization tank through a pipeline A, and the discharge end of the circulating pump is connected with the reflux port of the evaporator body through a pipeline B; an interception structure is arranged in the crystallization tank;
the interception structure comprises a filtering component and a cleaning component;
a filter assembly is arranged at the inlet end of the pipeline A; the cleaning component is arranged in the filtering component in a sliding way; wherein the cleaning assembly is rebounded within the filter assembly by the motive assembly.
Preferably, the filter assembly comprises an arcuate rod, a cover and a screen;
the three arc-shaped rods are fixedly arranged at the inlet end of the pipeline A in an annular array; the sealing cover is fixedly arranged at the outer end of the arc-shaped rod; the three filter screens are respectively arranged between every two arc-shaped rods.
Preferably, the cleaning assembly comprises a connecting ring, a sliding block, an arc-shaped strip and an arc-shaped scraping strip;
the connecting ring is movably arranged in an inner cavity formed by a plurality of arc rods; the three sliding blocks are fixedly arranged on the outer wall of the connecting ring in an annular array; wherein the sliding block is in sliding fit with a sliding groove formed in the inner side of the arc-shaped rod; the three arc-shaped strips are fixedly arranged on the outer wall of the connecting ring in an annular array; wherein the arc-shaped strips correspond to the filter screen; the arc scraping strip is fixedly arranged on the outer wall of the arc strip; wherein, arc is scraped the strip and is scraped the side and with the filter screen contact.
Preferably, the arc scraping strip adopts a wave-shaped structural design.
Preferably, the cleaning assembly further comprises a stationary plate;
the three fixing plates are fixedly arranged on the inner wall of the connecting ring in an annular array.
Preferably, the power assembly comprises a connecting rod, a limiting block and a spring;
the three connecting rods are respectively penetrated on the sealing cover; wherein the inner end of the connecting rod is fixedly connected with the fixed plate; the limiting block is fixedly arranged at the outer end of the connecting rod; the spring is sleeved on the connecting rod between the limiting block and the sealing cover.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has the advantages that the crystallization tank, the circulating pump, the pipeline A and the pipeline B are arranged, the solid-liquid layering is realized after the landfill leachate is firstly evaporated and crystallized in the crystallization tank, the circulating pump pumps out supernatant liquid in the crystallization tank through the pipeline A and sends the supernatant liquid back to the evaporator body from the pipeline B for evaporation reaction, crystals are reduced to appear in the pipeline of the evaporator body, and the problem that the pipeline is blocked due to the fact that crystals generated during treatment and evaporation of the landfill leachate enter the pipeline is solved.
2. The utility model has the advantages of filtering the clear liquid entering the pipeline A by arranging the arc-shaped rod, the sealing cover and the filter screen, avoiding the crystals brought by the pumping force of the circulating pump from entering the pipeline A, and further avoiding the crystals from entering.
3. The utility model discloses the habit is scraped the strip through setting up go-between, slider, arc strip and arc, has the clearance to the filter screen, keeps the unobstructed advantage of filter screen, avoids the filter screen to use for a long time to be stopped up.
4. According to the utility model, the connecting rod, the limiting block and the spring are arranged, so that the cleaning assembly is pulled back to the initial position when no clear liquid is extracted, and the next movable cleaning is facilitated.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of an evaporator body of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the crystallization tank according to the present utility model;
FIG. 3 is an exploded view of the interception structure of the present utility model;
FIG. 4 is a schematic view of a cleaning assembly according to the present utility model;
FIG. 5 is an enlarged schematic view of FIG. 4A in accordance with the present utility model;
in the figure: 1. an evaporator body; 2. a crystallization tank; 3. a circulation pump; 4. a pipeline A; 5. a pipeline B; 6. an interception structure;
601. a filter assembly; 602. cleaning the assembly; 603. a power assembly;
6011. an arc-shaped rod; 6012. a chute; 6013. a filter screen; 6014. a cover;
6021. a connecting ring; 6022. an arc-shaped strip; 6023. a fixing plate; 6024. a slide block; 6025. arc scraping strips;
6031. a connecting rod; 6032. a spring; 6033. and a limiting block.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1: a landfill leachate low-temperature evaporator, see fig. 1 to 5, comprises an evaporator body 1, a crystallization tank 2, a circulating pump 3 and an interception structure 6; the crystallization tank 2 is arranged at the inner bottom of the evaporator body 1; the inlet end of the circulating pump 3 is connected with a clear liquid discharge port of the crystallization tank 2 through a pipeline A4, and the discharge end is connected with a reflux port of the evaporator body 1 through a pipeline B5; the interception structure 6 is arranged inside the crystallization tank 2. The interception structure 6 comprises a filtering component 601 and a cleaning component 602; the filter assembly 601 is arranged at the inlet end of the pipeline A4; the cleaning component 602 is slidably arranged in the filtering component 601; wherein the cleaning assembly 602 is resilient within the filter assembly 601 by the motive assembly 603. According to the utility model, through arranging the crystallization tank 2, the circulating pump 3, the pipeline A4 and the pipeline B5, solid-liquid layering is realized after the landfill leachate is firstly evaporated and crystallized in the crystallization tank 2, the circulating pump 3 pumps out supernatant liquid in the crystallization tank 2 through the pipeline A4 and sends the supernatant liquid back to the evaporator body 1 from the pipeline B5 for evaporation reaction, so that the advantage that crystals appear in the pipeline of the evaporator body 1 is reduced, and the problem that the pipeline is blocked due to the fact that crystals generated during treatment and evaporation of the landfill leachate enter the pipeline is solved.
Specifically, the filter assembly 601 includes an arcuate lever 6011, a cover 6014, and a screen 6013; the three arc rods 6011 are fixedly arranged at the inlet end of the pipeline A4 in an annular array; the sealing cover 6014 is fixedly arranged at the outer end of the arc-shaped rod 6011; three screens 6013 are respectively disposed between the two arc-shaped rods 6011, and the number of the screens 6013 is selected by a person skilled in the art according to the actual situation. The utility model has the advantages of filtering the clear liquid entering the pipeline A4 by arranging the arc-shaped rod 6011, the sealing cover 6014 and the filter screen 6013, avoiding the crystal brought by the pumping force of the circulating pump 3 from entering the pipeline A4, and further avoiding the crystal from entering.
Further, the cleaning assembly 602 includes a connecting ring 6021, a slider 6024, an arcuate bar 6022, and an arcuate scraper 6025; the connecting ring 6021 is movably arranged in an inner cavity formed by a plurality of arc rods 6011; the three sliding blocks 6024 are fixedly arranged on the outer wall of the connecting ring 6021 in an annular array; wherein, the sliding block 6024 is in sliding fit with a sliding groove 6012 formed on the inner side of the arc-shaped rod 6011; the three arc-shaped strips 6022 are fixedly arranged on the outer wall of the connecting ring 6021 in an annular array; wherein, the arc-shaped strip 6022 corresponds to the filter screen 6013; the arc scraping strip 6025 is fixedly arranged on the outer wall of the arc strip 6022; wherein the scraping side of the arc scraping strip 6025 is contacted with the filter screen 6013. The utility model discloses the habit is through setting up go-between 6021, slider 6024, arc strip 6022 and arc and is scraped strip 6025, has to clear up filter screen 6013, keeps the unobstructed advantage of filter screen 6013, avoids filter screen 6013 to use for a long time to be stopped up.
Still further, the arc scraping strip 6025 adopts a wave-shaped structure design. The arc scraping strip 6025 with the wavy structure is in wavy contact with the filter screen 6013, and the filter screen 6013 is wavy, so that crystals attached to the filter screen 6013 can be cleaned more effectively.
It is noted that the cleaning assembly 602 further includes a fixing plate 6023; the three fixing plates 6023 are fixedly arranged on the inner wall of the connecting ring 6021 in an annular array. According to the utility model, the fixing plate 6023 is arranged, when the circulating pump 3 pumps liquid, the pumping force transmitted from the inlet end of the pipeline A4 drives supernatant liquid of the crystallization tank 2 to enter, meanwhile, the flow of the supernatant liquid can push the fixing plate 6023, so that the cleaning assembly 602 moves towards the inlet end of the pipeline A4 to clean the filter screen 6013, and the cleaning assembly 602 can move better under force through the fixing plate 6023.
Notably, the power assembly 603 includes a connecting rod 6031, a stopper 6033, and a spring 6032; the three connecting rods 6031 are respectively penetrated on the sealing cover 6014; wherein, the inner end of the connecting rod 6031 is fixedly connected with the fixing plate 6023; the limiting block 6033 is fixedly arranged at the outer end of the connecting rod 6031; the spring 6032 is sleeved on the connecting rod 6031 between the limiting block 6033 and the sealing cover 6014, two ends of the spring 6032 are fixedly connected with the limiting block 6033 and the sealing cover 6014 respectively, and the elastic coefficient of the spring 6032 is selected and used by a person skilled in the art according to actual conditions. According to the utility model, the connecting rod 6031, the limiting block 6033 and the spring 6032 are arranged, so that the cleaning assembly 602 is pulled back to the initial position when no clear liquid is extracted, and the next movable cleaning is facilitated.
Working principle: by using the device, landfill leachate enters the crystallization tank 2 from the liquid inlet end of the evaporator body 1, solid-liquid layering is realized after the landfill leachate is evaporated and crystallized in the crystallization tank 2, and the circulating pump 3 pumps out supernatant in the crystallization tank 2 through the pipeline A4 and returns the supernatant to the evaporator body 1 from the pipeline B5 for evaporation reaction; when the circulating pump 3 pumps out supernatant in the crystallization tank 2 through the pipeline A4, the supernatant enters the pipeline A4 through the filter screen 6013, and the filter screen 6013 filters the supernatant entering the pipeline A4 to prevent crystals brought by the pumping force of the circulating pump 3 from entering the pipeline A4; when the circulating pump 3 pumps liquid, the pumping force transmitted from the inlet end of the pipeline A4 drives supernatant liquid of the crystallization tank 2 to enter, meanwhile, the flowing of the supernatant liquid can push the fixing plate 6023, the connecting ring 6021 moves towards the pipeline A4 through the sliding fit of the sliding block 6024 and the sliding groove 6012, the arc-shaped strip 6022 and the arc-shaped scraping strip 6025 move together, the spring 6032 stretches, the arc-shaped scraping strip 6025 of the wavy structure contacts the filter screen 6013, the filter screen 6013 also undulates to clean crystals attached to the filter screen 6013, when the supernatant liquid is not pumped, the fixing plate 6023 loses pushing force, the connecting ring 6021 returns to the initial position under the elastic force of the spring 6032, and the filter screen 6013 is cleaned when the liquid is waited to move downwards.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (6)
1. The low-temperature evaporator for the landfill leachate comprises an evaporator body (1), and is characterized by further comprising:
a crystallization tank (2) arranged at the inner bottom of the evaporator body (1);
the inlet end of the circulating pump (3) is connected with the clear liquid discharge port of the crystallization tank (2) through a pipeline A (4), and the discharge end of the circulating pump is connected with the reflux port of the evaporator body (1) through a pipeline B (5);
-an interception structure (6) arranged inside said crystallization tank (2);
the interception structure (6) comprises:
-a filter assembly (601) arranged at the inlet end of the duct a (4);
a cleaning assembly (602) slidably disposed within the filter assembly (601);
wherein the cleaning assembly (602) is resilient within the filter assembly (601) by a motive assembly (603).
2. A landfill leachate cryogenic evaporator according to claim 1, wherein the filtering assembly (601) comprises:
a plurality of arc rods (6011) which are fixedly arranged at the inlet end of the pipeline A (4) in an annular array;
the sealing cover (6014) is fixedly arranged at the outer end of the arc-shaped rod (6011);
and a plurality of filter screens (6013) are arranged between every two arc-shaped rods (6011).
3. A landfill leachate cryogenic evaporator according to claim 2, wherein the cleaning assembly (602) comprises:
the connecting ring (6021) is movably arranged in an inner cavity formed by a plurality of arc-shaped rods (6011);
a plurality of sliding blocks (6024) which are fixedly arranged on the outer wall of the connecting ring (6021) in an annular array;
wherein, the sliding block (6024) is in sliding fit with a sliding groove (6012) formed on the inner side of the arc-shaped rod (6011);
a plurality of arc-shaped strips (6022) which are fixedly arranged on the outer wall of the connecting ring (6021) in an annular array;
wherein the arc-shaped strip (6022) corresponds to the filter screen (6013);
the arc scraping strip (6025) is fixedly arranged on the outer wall of the arc strip (6022);
wherein the scraping side of the arc scraping strip (6025) is contacted with the filter screen (6013).
4. A landfill leachate low temperature evaporator according to claim 3, wherein the arc-shaped scraping strip (6025) is of wave-shaped structure.
5. A landfill leachate cryogenic evaporator according to claim 3, wherein the cleaning assembly (602) further comprises:
the fixing plates (6023) are fixedly arranged on the inner wall of the connecting ring (6021) in an annular array.
6. A landfill leachate cryogenic evaporator according to claim 5, wherein the power assembly (603) comprises;
at least one connecting rod (6031) penetrating the cover (6014);
wherein, the inner end of the connecting rod (6031) is fixedly connected with the fixed plate (6023);
the limiting block (6033) is fixedly arranged at the outer end of the connecting rod (6031);
and the spring (6032) is sleeved on the connecting rod (6031) between the limiting block (6033) and the sealing cover (6014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188688.1U CN219771815U (en) | 2023-05-17 | 2023-05-17 | Landfill leachate low temperature evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188688.1U CN219771815U (en) | 2023-05-17 | 2023-05-17 | Landfill leachate low temperature evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219771815U true CN219771815U (en) | 2023-09-29 |
Family
ID=88135662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321188688.1U Active CN219771815U (en) | 2023-05-17 | 2023-05-17 | Landfill leachate low temperature evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219771815U (en) |
-
2023
- 2023-05-17 CN CN202321188688.1U patent/CN219771815U/en active Active
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