CN219409435U - Anaerobic heating device for garbage leachate - Google Patents

Abstract

The utility model discloses an anaerobic heating device for garbage leachate, which comprises a heating container, a liquid inlet pipeline, a liquid outlet pipeline and a steam pipeline, wherein the heating container is provided with a containing cavity, the containing cavity is used for containing the garbage leachate, the liquid inlet pipeline and the liquid outlet pipeline are both arranged on the heating container and are communicated with the containing cavity, the steam pipeline is arranged on the heating container, an air inlet of the steam pipeline is arranged outside the containing cavity, and an air outlet of the steam pipeline is arranged in the containing cavity. The anaerobic heating device provided by the embodiment of the utility model has the advantages of high heating efficiency, low use cost and the like.

Description

Anaerobic heating device for garbage leachate

Technical Field

The utility model relates to a treatment device for garbage leachate, in particular to an anaerobic heating device for garbage leachate.

Background

In the treatment process of the garbage leachate, in order to ensure that the garbage leachate generates stable anaerobic reaction in the anaerobic tank, the anaerobic tank needs to maintain stable temperature so as to ensure the activity of anaerobic bacteria. At present, the most widely used anaerobic heating mode is that the garbage leachate exchanges heat with steam through a heat exchanger, so that the aim of heating the garbage leachate is fulfilled, and the temperature required by anaerobic reaction can be maintained in an anaerobic tank after the garbage leachate enters the anaerobic tank. However, the heating mode is adopted, so that the heating efficiency is low, the steam usage amount is large, and the cost is high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, the embodiment of the utility model provides an anaerobic heating device with high heating efficiency and low use cost.

The anaerobic heating device for the landfill leachate comprises a heating container, a liquid inlet pipeline, a liquid outlet pipeline and a steam pipeline, wherein the heating container is provided with a containing cavity, and the containing cavity is used for containing the landfill leachate; the liquid inlet pipeline and the liquid outlet pipeline are both arranged on the heating container and are both communicated with the accommodating cavity; the steam pipeline is arranged on the heating container, an air inlet of the steam pipeline is arranged outside the accommodating cavity, and an air outlet of the steam pipeline is arranged in the accommodating cavity.

In some embodiments, the liquid outlet of the liquid inlet pipe and the gas outlet of the steam pipe are both disposed at the bottom of the accommodating cavity.

In some embodiments, the heating container further includes a plurality of baffles arranged at intervals along the length direction of the heating container, the baffles are provided with liquid passing holes and gas passing holes, the accommodating cavity is divided into a plurality of subchambers by the baffles, the subchambers include a first subchamber and a second subchamber, the first subchamber and the second subchamber are located at the outermost side of the heating container, the liquid inlet pipeline is communicated with the first subchamber, the gas outlet is arranged in the first subchamber, and the liquid outlet pipeline is communicated with the second subchamber.

In some embodiments, the steam pipe has a plurality, and the plurality of steam pipes are arranged at intervals along the width direction of the heating container.

In some embodiments, the gas passing holes are formed in the top of the partition board, and the liquid passing holes in the plurality of partition boards are alternately arranged in sequence at the top and the bottom of the partition board along the length direction of the heating container.

In some embodiments, the liquid inlet pipe extends along the length direction of the heating container, and the steam pipe extends along the height direction of the heating container.

In some embodiments, an electromagnetic control valve is arranged on the steam pipeline, and the electromagnetic control valve is used for controlling on-off of the steam pipeline.

In some embodiments, the anaerobic heating device of landfill leachate further comprises a temperature sensor disposed within the housing to detect a temperature within the heating vessel, the temperature sensor in signal connection with the electromagnetic control valve.

In some embodiments, the anaerobic heating device for landfill leachate further comprises a liquid level meter disposed within the containment cavity to detect a liquid level within the heating vessel.

In some embodiments, the anaerobic heating device of the landfill leachate is removably connected to the heating vessel.

In the use process of the anaerobic heating device provided by the embodiment of the utility model, garbage leachate enters the accommodating cavity of the heating container through the liquid inlet pipeline, and steam enters the accommodating cavity of the heating container through the steam pipeline. The steam entering the accommodating cavity is in direct contact with the landfill leachate to exchange heat, so that the heat exchange efficiency of the landfill leachate and the steam can be greatly improved, the landfill leachate can be heated to a preset temperature by using a small amount of steam, and the consumption of the steam is small, so that the cost is saved. And the waste leachate after heat exchange is discharged through a liquid outlet pipeline, and the discharged waste leachate enters an anaerobic tank to perform anaerobic reaction.

Therefore, the anaerobic heating device provided by the embodiment of the utility model has the advantages of high heating efficiency, low use cost and the like.

Drawings

Fig. 1 is a top view of an anaerobic heating device according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of A-A in fig. 1.

Reference numerals:

an anaerobic heating device 100;

heating the container 1; a housing chamber 101; a first sub-chamber 1011; a second subchamber 1012;

a liquid inlet pipeline 2;

a liquid outlet pipe 3;

a steam pipe 4; an air inlet 401; an air outlet 402;

a partition plate 5; a gas passing hole 501; a liquid passing hole 502;

an electromagnetic control valve 6;

a temperature sensor 7;

a level gauge 8.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The technical solutions of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, an anaerobic heating apparatus 100 according to an embodiment of the present utility model includes a heating vessel 1, a liquid inlet pipe 2, a liquid outlet pipe 3, and a steam pipe 4. The heating container 1 is provided with a containing cavity 101, the containing cavity 101 is used for containing garbage leachate, the liquid inlet pipeline 2 and the liquid outlet pipeline 3 are all arranged on the heating container 1, and the liquid inlet pipeline 2 and the liquid outlet pipeline 3 are all communicated with the containing cavity 101. The steam pipeline 4 is arranged on the heating container 1, the steam pipeline 4 is provided with an air inlet 401 and an air outlet 402, the air inlet 401 is arranged outside the accommodating cavity 101, and the air outlet 402 is arranged in the accommodating cavity 101.

In the use process of the anaerobic heating device 100 according to the embodiment of the utility model, the landfill leachate enters the accommodating cavity 101 of the heating container 1 through the liquid inlet pipeline 2, and the steam enters the accommodating cavity 101 of the heating container 1 through the steam pipeline 4. The steam entering the accommodating cavity 101 is in direct contact with the landfill leachate to exchange heat, so that the heat exchange efficiency of the landfill leachate and the steam can be greatly improved, the landfill leachate can be heated to a preset temperature by using a smaller amount of steam, and the consumption of the steam is smaller, so that the cost is saved. The waste leachate after heat exchange is discharged through a liquid outlet pipeline 3, and the discharged waste leachate enters an anaerobic tank for anaerobic reaction.

Therefore, the anaerobic heating device 100 of the embodiment of the utility model has the advantages of high heating efficiency, low use cost and the like.

In some embodiments, the liquid outlet of the liquid inlet pipe 2 and the gas outlet 402 of the steam pipe 4 are both arranged at the bottom of the accommodating cavity 101.

For example, as shown in fig. 2, it can be appreciated that since the density of the steam is less than that of the air, the steam moves upward after entering the accommodating chamber 101. According to the anaerobic heating device 100 disclosed by the embodiment of the utility model, the air outlet 402 of the steam pipeline 4 is arranged at the bottom of the accommodating cavity 101, so that the contact time of steam and landfill leachate can be improved in the upward movement process after the steam enters the accommodating cavity 101, the steam is prevented from moving to the top of the accommodating cavity 101 prematurely after entering the accommodating cavity 101, the contact time of the steam and the landfill leachate is reduced, and the heat exchange efficiency of the steam and the landfill leachate is improved.

According to the anaerobic heating device 100 provided by the embodiment of the utility model, the liquid outlet of the liquid inlet pipeline 2 is arranged at the bottom of the accommodating cavity 101, so that when the garbage leachate enters the accommodating cavity 101, the garbage leachate positioned at the upper part of the liquid inlet pipeline 2 is disturbed, the garbage leachate is favorably fully contacted with steam, and the heat exchange efficiency of the steam forecast garbage leachate is further favorably improved.

In some embodiments, the heating container 1 further includes a plurality of partition boards 5 arranged at intervals along the length direction of the heating container 1, the partition boards 5 are provided with liquid passing holes 502 and air passing holes 501, the partition boards 5 divide the accommodating cavity 101 into a plurality of sub-cavities, the plurality of sub-cavities include a first sub-cavity 1011 and a second sub-cavity 1012, the first sub-cavity 1011 and the second sub-cavity 1012 are located at the outermost side of the heating container 1, the liquid inlet pipeline 2 is communicated with the first sub-cavity 1011, the air outlet 402 is arranged in the first sub-cavity 1011, and the liquid outlet pipeline 3 is communicated with the second sub-cavity 1012.

For example, as shown in fig. 1 and 2, the longitudinal direction of the heating container 1 coincides with the left-right direction, the width direction of the heating container 1 moves in the front-rear direction, and the height direction of the heating container 1 coincides with the up-down direction. The number of the partition boards 5 is four, the four partition boards 5 are arranged in the accommodating cavity 101 at intervals along the left-right direction, and the upper end and the lower end of the partition boards 5 are connected with the inner wall of the heating container 1. The first sub-chamber 1011 is located at the leftmost side of the heating vessel 1 and the second sub-chamber 1012 is located at the rightmost side of the second sub-chamber 1012.

In the use process of the anaerobic heating device 100 according to the embodiment of the utility model, steam passes through the air passing holes 501 on the partition board 5 along the left-to-right direction, passes through the other sub-chambers in sequence from the first sub-chamber 1011, then enters the second sub-chamber 1012, and the landfill leachate passes through the liquid passing holes 502 on the partition board 5 along the left-to-right direction, passes through the other sub-chambers in sequence from the first sub-chamber 1011, and then enters the second sub-chamber 1012. By adopting the mode, the steam can heat the garbage leachate in a stepped way, so that the heating efficiency of the anaerobic heating device 100 in the embodiment of the utility model is further improved.

Alternatively, the steam duct 4 has a plurality, and the plurality of steam ducts 4 are arranged at intervals in the width direction of the heating container 1.

For example, as shown in fig. 1, a plurality of steam pipes 4 are arranged at intervals in the front-rear direction, and the plurality of steam pipes 4 communicate through one main steam pipe. By arranging the plurality of steam pipelines 4 in the width direction of the heating container 1, the garbage leachate at different positions of the width of the heating container 1 is uniformly heated, and the heating balance of the garbage leachate is improved.

In some embodiments, the air passing holes 501 are formed on the top of the partition board 5, and the liquid passing holes 502 on the plurality of partition boards 5 are alternately arranged on the top and the bottom of the partition boards 5 in sequence along the length direction of the heating container 1.

For example, as shown in fig. 2, the air passing holes 501 are all provided at the top of the partition plates 5, and the four partition plates 5 are a first partition plate, a second partition plate, a third partition plate, and a fourth partition plate in this order from left to right. The liquid passing holes 502 on the first partition board are positioned at the top of the first partition board, the liquid passing holes 502 on the second partition board are positioned at the bottom of the second partition board, the liquid passing holes 502 on the third partition board are positioned at the top of the third partition board, and the liquid passing holes 502 on the fourth partition board are positioned at the bottom of the fourth partition board. By adopting the above arrangement mode for the through-liquid holes 502, the garbage leachate is led to travel a serpentine route in the accommodating cavity 101, which is beneficial to improving the flow path of the garbage leachate in the accommodating cavity 101, thereby being beneficial to improving the contact time of the garbage leachate and steam, and further being beneficial to improving the heating efficiency of the anaerobic heating device 100 in the embodiment of the utility model.

Optionally, the liquid inlet pipe 2 extends along the length of the heating vessel 1 and the steam pipe 4 extends along the height of the heating vessel 1.

For example, as shown in fig. 2, the liquid inlet pipe 2 extends in the left-right direction, the landfill leachate flows in the horizontal direction, the steam pipe 4 extends in the up-down direction, and the steam flows in the up-down direction. The heating device 100 of the embodiment of the utility model is beneficial to fully mixing the landfill leachate and the steam by setting the flow direction of the landfill leachate and the steam to be vertical, so that the landfill leachate is heated uniformly.

Optionally, the steam pipeline 4 is provided with an electromagnetic control valve 6, and the electromagnetic control valve 6 is used for controlling the on-off of the steam pipeline 4.

For example, as shown in fig. 1 and 2, the heating device 100 according to the embodiment of the present utility model controls the on/off of the steam pipe 4 by setting the electromagnetic control valve 6, so that the on/off of the steam pipe 4 can be prevented from being controlled manually, and the control of the steam pipe 4 is facilitated.

Optionally, the anaerobic heating device 100 according to the embodiment of the present utility model further includes a temperature sensor 7, where the temperature sensor 7 is disposed in the housing to detect the temperature in the heating container 1, and the temperature sensor 7 is in signal connection with the electromagnetic control valve 6.

For example, the temperature sensor 7 is in signal connection with the electromagnetic control valve 6 through the PLC, when the temperature sensor 7 detects that the temperature of the landfill leachate in the accommodating cavity 101 exceeds a preset value, the temperature sensor 7 gives a signal to the PLC, and the PLC controls the electromagnetic control valve 6 to be opened so that steam enters the accommodating cavity 101 through the steam pipeline 4, so that the temperature of the landfill leachate can be automatically adjusted, and the control and adjustment are convenient.

Optionally, the anaerobic heating device 100 according to the embodiment of the present utility model further comprises a liquid level meter 8, wherein the liquid level meter 8 is arranged in the accommodating cavity 101 to detect the liquid level in the heating vessel 1.

According to the anaerobic heating device 100 provided by the embodiment of the utility model, the liquid level meter 8 is arranged, so that the liquid level of the garbage leachate in the heating container 1 can be conveniently controlled, most of the steam pipeline 4 is immersed below the liquid level and is fully mixed with the garbage leachate, and the heating efficiency is further improved.

In some embodiments, the steam conduit 4 is detachably connected to the heating vessel 1.

For example, the steam pipe 4 may be detachably connected to the heating vessel 1 by means of a screw member. When the steam pipe 4 occurs after a certain period of use or when there is no need to heat the landfill leachate in summer, the steam pipe 4 can be detached from the heating vessel 1 for cleaning and maintenance.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

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

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. An anaerobic heating device for landfill leachate, comprising:

-a heating container (1), the heating container (1) having a receiving cavity (101), the receiving cavity (101) for receiving a landfill leachate;

the liquid inlet pipeline (2) and the liquid outlet pipeline (3), the liquid inlet pipeline (2) and the liquid outlet pipeline (3) are both arranged on the heating container (1), and the liquid inlet pipeline (2) and the liquid outlet pipeline (3) are both communicated with the accommodating cavity (101); and

the steam pipeline (4), steam pipeline (4) are located on heating container (1), steam pipeline's air inlet (401) are arranged in outside holding chamber (101), steam pipeline's gas outlet (402) are arranged in holding chamber (101).

2. Anaerobic heating device for landfill leachate according to claim 1, characterised in that the liquid outlet of the liquid inlet pipe (2) and the gas outlet (402) of the vapour pipe (4) are both provided at the bottom of the containing chamber (101).

3. Anaerobic heating device for landfill leachate according to claim 1, wherein the heating container (1) further comprises a plurality of partition boards (5) which are arranged at intervals along the length direction of the heating container (1), the partition boards (5) are provided with liquid passing holes (502) and air passing holes (501), the partition boards (5) divide the accommodating cavity (101) into a plurality of subchambers, the subchambers comprise a first subchamber (1011) and a second subchamber (1012), the first subchamber (1011) and the second subchamber (1012) are positioned at the outermost side of the heating container (1), the liquid inlet pipeline (2) is communicated with the first subchamber (1011), the air outlet is arranged in the first subchamber (1011), and the liquid outlet pipeline (3) is communicated with the second subchamber (1012).

4. An anaerobic heating device for landfill leachate according to claim 3, wherein the steam pipe (4) has a plurality, and a plurality of the steam pipes (4) are arranged at intervals along the width direction of the heating vessel (1).

5. An anaerobic heating apparatus for landfill leachate according to claim 3, wherein the gas passing holes (501) are formed in the top of the partition plate (5), and the liquid passing holes (502) formed in the plurality of partition plates (5) are alternately formed in the top and bottom of the partition plate (5) in sequence along the longitudinal direction of the heating container (1).

6. Anaerobic heating device for landfill leachate according to claim 1, characterised in that the liquid inlet pipe (2) extends in the length direction of the heating vessel (1) and the steam pipe (4) extends in the height direction of the heating vessel (1).

7. Anaerobic heating device for landfill leachate according to claim 1, characterized in that the steam pipeline (4) is provided with an electromagnetic control valve (6), and the electromagnetic control valve (6) is used for controlling the on-off of the steam pipeline (4).

8. Anaerobic heating device for landfill leachate according to claim 7, further comprising a temperature sensor (7), said temperature sensor (7) being provided in said housing to detect the temperature inside said heating vessel (1), said temperature sensor (7) being in signal connection with said electromagnetic control valve (6).

9. Anaerobic heating device for landfill leachate according to claim 1, further comprising a level gauge (8), said level gauge (8) being provided in said containing cavity (101) to detect the level of liquid in said heating vessel (1).

10. Anaerobic heating device for landfill leachate according to claim 1, characterised in that the steam pipe (4) is detachably connected to the heating vessel (1).