CN115417701A - Portable energy-saving compost box - Google Patents

Abstract

A portable energy-saving compost bin comprises a heating and heat-preserving unit, a vacuum sewage collecting unit and a solid-liquid separation unit, and has the functions of vacuum sewage collection, heating and heat preservation, solid-liquid separation, excrement fermentation and the like. This compost case has solar energy heating heat retaining function, makes its required consumption in the use extremely low, uses with vacuum closestool collocation, and it is very convenient to install, and the mounting means has very big flexibility simultaneously, and under the condition that does not have offal sewage pipes, this compost case can replace traditional dry pail latrine, guarantees sanitary health, and the fertilizer of collecting can the reutilization.

Description

Portable energy-saving compost box

Technical Field

The invention belongs to the technical field of environmental protection, and particularly relates to a portable energy-saving compost bin.

Background

In the present phase of rural areas, a plurality of places use the traditional dry latrine, a manure storage tank or a manure cylinder is buried underground below a squatting pit of the traditional dry latrine and is used for storing manure and urine, the traditional dry latrine does not have flushing equipment, and the manure and the urine cannot be timely removed, so that the toilet has smelly smell in a fuming day, mosquitoes and flies can be recruited, maggots can be bred, and sanitary conditions cannot be guaranteed.

Along with the improvement of living standard constantly, rural lavatory in many areas is also reforming transform, however in current rural lavatory transformation process, if carry out the blowdown according to the bath mode, then need carry out sewer pipe's laying, but sewer pipe's laying is a little engineering, and the cost is high, still can receive the influence of relief simultaneously, and especially in some mountain areas, sewer pipe lays the degree of difficulty great, can't be applied to in rural lavatory's transformation.

Disclosure of Invention

The invention aims to provide a portable energy-saving compost box aiming at the defects that the cost of sewage discharge is high and the realization difficulty is high in some areas by adopting a flushing mode in the transformation process of the existing rural toilets.

Technical scheme

In order to achieve the technical purpose, the invention provides a portable energy-saving compost bin, which is characterized in that: it includes the ladle body, it is right that heating heat preservation unit is equipped with to the ladle body upper end side is used for corresponding part unit that sets up in the ladle body provides heat preservation hot air supply and right vacuum dirt collection pipe outside the ladle body keeps warm, the dirty unit setting of vacuum collection is in the upper portion of ladle body is used for collecting the filth, and solid-liquid separation unit sets up the dirty below of unit is collected in the vacuum and with the feed opening of dirty unit is collected in the vacuum is corresponding, solid-liquid separation unit can carry out solid-liquid separation with the filth that falls into from the feed opening of dirty unit is collected in the vacuum, and the inner bag sets up solid-liquid separation unit's below is used for accepting liquid phase thing after the separation in the solid-liquid separation unit.

Further, the heating and heat-preserving unit at least comprises a first solar vacuum pipe set, a second solar vacuum pipe set and an exhaust pipe, one end of the first solar vacuum pipe set extends into the inner cavity of the barrel body from the first corresponding jack at the upper end of the barrel body and is connected with an air pump, the other end of the first solar vacuum pipe set extends into the inner cavity of the barrel body from the second corresponding jack at the upper end of the barrel body and is used for preserving heat of the inner cavity of the barrel body, meanwhile, a hot air source is introduced into a vacuum dirt collecting pipe outside the barrel body through a connecting pipeline for winding and heat preservation, one end of the second solar vacuum pipe set extends into the inner cavity of the barrel body from the third corresponding jack at the upper end of the barrel body and is connected with a first fan, the other end of the second solar vacuum pipe set extends into an inner container in the inner cavity of the barrel body from the fourth corresponding jack at the upper end of the barrel body and is used for aerating or unfreezing the liquid phase matter, one end of the exhaust pipe extends into the inner cavity of the barrel body from the fifth corresponding jack at the upper end of the barrel body and is connected with a second fan, and the other end of the exhaust pipe is located outside the barrel body, and water vapor in the barrel body can be exhausted through the exhaust pipe.

Further, the first solar vacuum tube bank comprises a first solar vacuum tube and a second solar vacuum tube, the tops of the first solar vacuum tube and the second solar vacuum tube are connected to form the first solar vacuum tube bank, the second solar vacuum tube bank comprises a third solar vacuum tube and a fourth solar vacuum tube, and the tops of the third solar vacuum tube and the fourth solar vacuum tube are connected to form the second solar vacuum tube bank.

Further, dirty unit of vacuum collection includes the dirty pipe of vacuum collection, the one end of dirty pipe of vacuum collection is followed during the ladle body upper end stretches into dirty chamber of vacuum collection, and vacuum generator's inlet scoop is arranged in dirty chamber of vacuum collection, the vacuum pump with vacuum generator is connected, the feed opening department in dirty chamber of vacuum collection is provided with the solid-liquid separation unit.

Further, feed opening department in the dirty chamber of vacuum collection is provided with the flap valve, the one end of flap valve is provided with the balancing weight, the balancing weight passes through the hinge mount in feed opening department, thereby the balancing weight can be around the hinge pushes down and make the lower feed opening of flap valve cover be used for preventing to return the smelly.

Furthermore, the vacuum sewage collecting pipe is arranged at the top of the compost box according to a certain inclination angle, and a plurality of lifting bends are arranged on the vacuum sewage collecting pipe and used for lifting sewage to climb.

Furthermore, a partition plate is arranged between an air suction opening of the vacuum generator and one end of the vacuum dirt collecting pipe extending into the vacuum dirt collecting cavity.

Furthermore, the lower part of the vacuum sewage collecting cavity is in a bucket shape.

Further, the solid-liquid separation unit comprises at least one filtering basket, wherein a filtering paper bag is arranged in the at least one filtering basket and used for intercepting solid-phase substances, and liquid-phase substances flow into the inner container.

Further, the position between the at least one filter basket can be interchanged.

Furthermore, an emptying valve and an overflow pipe are arranged at the bottom of the inner container, the emptying valve is used for emptying the liquid phase substances in the inner container, and the overflow pipe is used for overflowing the liquid phase substances under the condition that the liquid phase substances in the inner container are full, so that the liquid phase substances are prevented from overflowing out of the interior of the compost bin.

Further, the overflow pipe is a transparent pipe and is used for observing the liquid level condition in the inner container.

Further, the ladle body includes upper ladle body and lower ladle body, upper ladle body and lower ladle body pass through hasp locking installation together.

Further, the empty space parts of the upper barrel body and the lower barrel body are all filled with heat insulation cotton.

Furthermore, the upper barrel body comprises an upper barrel body shell and an upper barrel body inner wall, and heat insulation cotton is filled in an interlayer between the upper barrel body shell and the upper barrel body inner wall.

Furthermore, be provided with on the upper barrel body shell and observe lid and maintenance lid, it can overturn upwards to observe the lid.

Furthermore, a first standby vent hole and a second standby vent hole are formed in the maintenance cover and used for inserting the first solar vacuum tube set, and the second standby vent hole is located at one side end in the barrel body and used for being connected to the air pump connection.

Furthermore, a first jack and a second jack are arranged on the maintenance cover, an air pump air blowing port, an aeration air outlet I and an air pump air outlet are arranged at one side end of the first jack, which is positioned in the barrel body, a second aeration air outlet and a heat preservation air outlet are arranged at one side end of the second jack, which is positioned in the barrel body, and an air vent is also arranged on the maintenance cover;

the air pump air-blowing port, the aeration air outlet I, the air pump air outlet, the aeration air outlet II and the heat preservation air outlet are correspondingly connected through the pipeline, and then the air pump and the solar vacuum tube group can jointly provide a heat preservation hot air source for the corresponding component units arranged in the barrel body and preserve heat for the vacuum dirt collecting tube outside the barrel body.

Furthermore, a first wire outlet and a second wire outlet are arranged on the maintenance cover, a wire outlet of the first wire outlet is connected with a closestool signal, and a wire outlet of the second wire outlet supplies power to the compost bin.

Furthermore, a fertilizer outlet is formed in the maintenance cover, and one end of the fertilizer outlet, which is located in the barrel body, is connected with the inner container so as to extract liquid-phase fertilizer in the inner container.

Further, the maintenance lid is including maintenance lid one and maintenance lid two, maintenance lid one and maintenance lid two dress are in corresponding mounting hole one and the mounting hole two of last ladle body top, jack one, jack two, reserve air vent one, reserve air vent two and outlet one and outlet two set up maintenance lid one is last, fertilizer outlet and vent setting are in maintenance lid two is last.

Furthermore, an interlayer between the lower barrel body and the inner container is provided with heat insulation cotton for insulating the interior of the compost bin.

Advantageous effects

The portable energy-saving compost box has the functions of solar heating and heat preservation, so that the compost box is extremely low in power consumption in the using process, is matched with a vacuum closestool for use, is extremely convenient to install, has great flexibility in the installation mode, can replace a traditional dry toilet under the condition that a sewer sewage pipeline does not exist, guarantees sanitation and health, and can be reused.

Drawings

FIG. 1 is a front anatomical view of a compost bin in an embodiment of the invention.

FIG. 2 is a rear perspective anatomical view of a compost bin in an embodiment of the invention.

FIG. 3 is a product diagram of a vacuum dirt collecting unit in the embodiment of the invention.

FIG. 4 is a front view of a compost bin in an embodiment of the invention.

Fig. 5 is a diagram of a maintenance cover showing a product according to an embodiment of the present invention.

FIG. 6 is a front isometric view of a compost bin in an embodiment of the invention.

FIG. 7 is a front axial side-flip view of a compost bin in an embodiment of the invention.

FIG. 8 is a rear isometric view of the compost bin of an embodiment of the invention.

FIG. 9 is an exploded view of a compost bin in an embodiment of the invention.

Fig. 10 is a schematic diagram of the first solar vacuum tube used alone in an embodiment of the invention.

FIG. 11 is a schematic illustration of the use of alternate vents in an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "inner", "outer", "front", "rear", "left", "right", "general side", "spare side", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The invention is described in further detail below by means of specific embodiments and with reference to the attached drawings.

Examples

As shown in fig. 1,2,4,6,7,8 and 9, the portable energy-saving compost bin comprises a barrel body a, wherein the barrel body a comprises an upper barrel body 4 and a lower barrel body 6, and the upper barrel body 4 and the lower barrel body 6 are locked and installed together through a buckle 601. The upper barrel body 4 and the lower barrel body 6 are filled with heat insulation cotton. And sealing rings are arranged at the positions needing to be sealed.

As shown in fig. 1, the upper barrel 4 includes an upper barrel outer shell 4a and an upper barrel inner wall 4b, and a heat insulation cotton is filled in a separation layer between the upper barrel outer shell 4a and the upper barrel inner wall 4 b. An interlayer between the lower barrel body 6 and the inner container 5 is provided with heat insulation cotton for insulating the interior of the compost bin.

The heating and heat-preserving unit 1 is arranged on the upper end side of the barrel body a and used for providing a heat-preserving hot air source for corresponding component units arranged in the barrel body a and preserving heat of the vacuum dirt collecting pipe 201 outside the barrel body a, the vacuum dirt collecting unit 2 is arranged on the upper portion of the barrel body a and used for collecting dirt, the solid-liquid separation unit 3 is arranged below the vacuum dirt collecting unit 2 and corresponds to the discharge opening 2a of the vacuum dirt collecting unit 2, the solid-liquid separation unit 3 can perform solid-liquid separation on the dirt falling from the discharge opening 2a of the vacuum dirt collecting unit 2, and the inner container 5 is arranged below the solid-liquid separation unit 3 and used for receiving liquid phase substances separated in the solid-liquid separation unit 3.

As shown in fig. 1, the heating and heat-preserving unit 1 at least comprises a solar vacuum pipe group one b, a solar vacuum pipe group two c and an exhaust pipe 105, wherein the solar vacuum pipe heats the air inside the pipeline in the sunlight. One end of the first solar vacuum tube bank b extends into the inner cavity of the barrel a from the corresponding first jack a1 at the upper end of the barrel a to be connected with an air pump 106 positioned in an upper barrel 4, the other end of the first solar vacuum tube bank extends into the inner cavity of the barrel a from the corresponding second jack a2 at the upper end of the barrel a to provide a hot air source for the inner cavity of the barrel a while winding and insulating a vacuum sewage collecting tube 201 which introduces a hot air source out of the barrel a through a connecting pipeline, one end of the second solar vacuum tube bank c extends into the inner cavity of the barrel a from the corresponding third jack a3 at the upper end of the barrel a to be connected with a first fan 107, the other end of the second solar vacuum tube bank extends into the inner container 5 in the inner cavity of the barrel a from the corresponding fourth jack a4 at the upper end of the barrel a to aerate or thaw liquid phase substances in the inner container 5, one end of the exhaust tube 105 extends into the inner cavity of the barrel a from the corresponding fifth jack a5 at the upper end of the barrel a to be connected with a second fan 108, the other end of the exhaust tube 105 is positioned outside the barrel a, and the vapor in the barrel a can be exhausted through the exhaust tube 105. In this embodiment, the first solar vacuum tube bank b comprises a first solar vacuum tube 101 and a second solar vacuum tube 102, the first solar vacuum tube 101 is connected to the top of the second solar vacuum tube 102 to form the first solar vacuum tube bank b, the second solar vacuum tube bank c comprises a third solar vacuum tube 103 and a fourth solar vacuum tube 104, and the third solar vacuum tube 103 is connected to the top of the fourth solar vacuum tube 104 to form the second solar vacuum tube bank c.

As shown in fig. 3, the vacuum dirt collecting unit 2 includes a vacuum dirt collecting pipe 201, one end of the vacuum dirt collecting pipe 201 extends into the vacuum dirt collecting cavity 2b from the upper end of the barrel body a, a vacuum generator 202 is installed in the upper barrel body 4, an air suction opening 202a of the vacuum generator 202 is located in the vacuum dirt collecting cavity 2b, a vacuum pump 203 is connected with the vacuum generator 202, and a partition plate 2c is arranged between the air suction opening 202a of the vacuum generator 202 and one end of the vacuum dirt collecting pipe 201 extending into the vacuum dirt collecting cavity 2b to prevent dirt from flowing back to the vacuum pump 203. And a solid-liquid separation unit 3 is arranged at the discharge opening 2a of the vacuum sewage collection cavity 2 b. Feed opening 2a department in the dirty chamber 2b of vacuum collection is provided with flap valve 204, the one end of flap valve 204 is provided with balancing weight 204a, balancing weight 204a passes through hinge 204b and installs in feed opening 2a department, thereby balancing weight 204a can be around hinge 204b pushing down make flap valve 204 cover feed opening 2a and be used for preventing to return the smelly. The vacuum sewage collecting pipe 201 is installed at the top of the compost bin according to a certain inclination angle, and a plurality of lifting bends are arranged on the vacuum sewage collecting pipe 201 and used for lifting sewage to climb. Further, the lower part of the vacuum sewage collecting cavity 2b is in a bucket shape.

The solid-liquid separation unit 3 comprises at least one filter basket 3a, wherein a filter paper bag 3b is arranged in the at least one filter basket 3a and used for intercepting solid-phase objects, and liquid-phase objects flow into the inner container 5. The position between the at least one filter basket 3a can be interchanged, once one filter basket 3a is full, being exchanged with another filter basket 3 a.

The bottom of the inner container 5 is provided with an emptying valve 501 and an overflow pipe 502, the emptying valve 501 is used for emptying the liquid phase substances in the inner container 5, and the overflow pipe 502 is used for overflowing the liquid phase substances when the liquid phase substances in the inner container 5 are full, so that the liquid phase substances are prevented from overflowing out of the interior of the compost bin. Meanwhile, the overflow pipe 502 is a transparent pipe for observing the liquid level condition in the inner container 5.

As shown in fig. 4 and 5, the upper shell 4 is provided with a viewing cover 401 and a maintenance cover 402, and as shown in fig. 7, the viewing cover 401 can be turned upwards. The maintenance cover 402 is provided with a first spare vent 402a and a second spare vent 402b for inserting the first solar vacuum tube bank b, and the second spare vent 402b is located at one side end in the barrel body a and used for connecting to the air pump 106. The maintenance cover 402 is provided with a first insertion hole a1 and a second insertion hole a2, one side end of the first insertion hole a1, which is positioned in the barrel body a, is provided with an air pump air blowing port 402c, an aeration air outlet first 402d and an air pump air outlet 402e, one side end of the second insertion hole a2, which is positioned in the barrel body a, is provided with an aeration air outlet second 402f and a heat preservation air outlet 402g, and the maintenance cover 402 is also provided with an air vent 402i; the air pump air-blowing port 402c, the aeration air outlet I402 d, the air pump air outlet 402e, the aeration air outlet II 402f, the heat-preservation air outlet 402g and the air vent 402i are correspondingly connected through pipelines and then can jointly provide a heat-preservation hot air source for corresponding component units arranged in the barrel body a and preserve heat for the vacuum dirt collecting pipe 201 outside the barrel body together with the air pump 106 and the solar vacuum pipe group I. The maintenance cover 402 is provided with a first outlet 402j and a second outlet 402k, an outlet of the first outlet 402j is connected with a closestool signal, and an outlet of the second outlet 402k supplies power to the compost bin. A fertilizer outlet 402h is formed in the maintenance cover 402, and one end of the fertilizer outlet 402h, which is located in the barrel body a, is connected with the inside of the inner container 5 to draw out the liquid-phase fertilizer in the inner container 5. The maintenance cover 402 comprises a maintenance cover I40201 and a maintenance cover II 40202, the maintenance cover I40201 and the maintenance cover II 40202 are arranged in the corresponding mounting hole I40203 and the mounting hole II 40204 at the top of the upper barrel body a, the jack I1, the jack II a2, the spare vent I402 a, the spare vent II 402b, the outlet I402 j and the outlet II 402k are arranged on the maintenance cover I40201, and the fertilizer outlet 402h and the vent 402i are arranged on the maintenance cover II 40202.

It should be noted that: the first solar vacuum tube 101, the second solar vacuum tube 102, the third solar vacuum tube 103 and the fourth solar vacuum tube 104 can be flexibly selected according to different seasons;

in the first case: as shown in fig. 1, a first solar vacuum tube 101, a second solar vacuum tube 102, a third solar vacuum tube 103 and a fourth solar vacuum tube 104 are used simultaneously:

the air pump air-blowing port 402c and the air pump air-pumping port 402e are sealed, the air pump 106 is connected to the first aeration air outlet 402d, part of the reflowed hot air passes through the second aeration air outlet 402f and is guided into the inner container 5 to aerate liquid, part of the hot air passes through the heat-preservation air outlet 402g and is connected to the air vent 402i in the box body, and the outer part of the air vent 402i can be connected to the pipe to wind the vacuum sewage collecting pipe 201 for pipeline heat preservation.

In the second case: as shown in fig. 5 and 10, the first solar vacuum tube 101 is used alone, and the second solar vacuum tube 102 is not used (mounting opening is sealed):

the second insertion hole a2 is sealed, a high-temperature-resistant air pipe 10101 is inserted into the first solar vacuum pipe 101 and is close to the top, the high-temperature-resistant air pipe 10101 is connected with a first 402d interface of the aeration air outlet, the air pump 106 is connected into the first 402d interface of the aeration air outlet for air blowing, air in the first solar vacuum pipe 101 is blown out through an air pump air blowing port 402c and an air pump air blowing port 402e after being heated, hot air in the air pump air blowing port 402c is connected into the air vent 402i in the barrel body a through the air pipe, at the moment, the air vent 402i is connected into the air pipe in the outer portion of the vacuum sewage collecting pipe 201 in a winding mode to carry out pipeline heat preservation, and hot air in the air pump air outlet 402e is used for aerating liquid in the inner container 5.

In the third case: as shown in fig. 11, the mounting openings of the first solar vacuum tube 101 and the second solar vacuum tube 102 are simultaneously sealed, and the spare vent hole one 402a and the spare vent hole two 402b are used:

the first jack a1 and the second jack a2 are sealed. The first solar vacuum tube 101 and the second solar vacuum tube 102 can be placed separately, for example, on a roof. At this time, the air pump 106 can be connected to the first standby vent hole 402a, the backflow air can be connected to the second standby vent hole 402b, part of the backflow hot air is connected to the vent 402i inside the barrel aa, at this time, the air pipe connected to the outside of the vent 402i is wound outside the vacuum sewage collecting pipe 201 to perform pipeline heat preservation, and part of the hot air heat aerates the liquid in the inner container 5.

The operation process of the embodiment is as follows: firstly, vacuum sewage collection: there is a signal connection between the vacuum toilet and the vacuum pump 203 in the compost bin, and after the flushing signal of the vacuum toilet is received by the vacuum pump 203 in the compost bin, the vacuum pump is activated. The dirt falls into the filter basket 3a through the vacuum dirt collecting pipe 201 and the flap valve 204.

Then carrying out solid-liquid separation: the filter basket 3a is provided with a filter paper bag 3b therein, which can trap solid components in the excrement and let liquid-phase substances flow into the inner container 5.

Meanwhile, the compost bin starts the heat preservation function: the upper barrel body and the lower barrel body of the compost box are both provided with an inner-outer double-layer structure, and the middle interlayer is filled with heat-insulating cotton. Four solar tubes at the top of the compost bin will heat the gas inside the tubes during the day. A temperature sensor (not shown in the figure) is arranged at the highest position of the solar vacuum tube, when the temperature reaches a set value, the air pump 106 is started, the air pump 106 is connected with the first solar vacuum tube 101 and the second solar vacuum tube 102, hot air flows start to circulate in the pipeline, a part of air flow exposes the hot air to the liquid phase in the inner container 5 through the aeration air outlet 402f, and a part of air flows wind and preserve heat to the external vacuum dirt collecting tube 201 through the heat preservation air outlet 402 g. Meanwhile, a first fan 107 is started, the thermal cycle is started in the compost bin, airflow passes through a fourth solar vacuum tube 104 from a third solar vacuum tube 103, a pipeline at the lower end of the fourth solar vacuum tube 104 is submerged into the bottom of the inner container 5, and hot airflow is aerated in the liquid phase or unfreezes the liquid phase. A humidity sensor is arranged in the compost box, which is not marked, the humidity inside the compost box reaches a set value, the second fan 108 is started, and the moisture inside the compost box is discharged into the atmosphere through the exhaust pipe 105. The filtering basket 3a in the solid-liquid separation unit is arranged to be used as a spare, and the manure in the filtering basket 3a can be used for fertilizing the field. The emptying valve 501 can empty all liquid phase substances in the inner container 5, the overflow pipe 502 can observe the liquid level condition in the inner container 5, and the liquid level can overflow out to prevent overflowing to the interior of the compost bin.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (22)

1. The utility model provides a portable energy-conserving compost case which characterized in that: the vacuum sewage collection device comprises a barrel body (a), wherein a heating and heat preservation unit (1) is arranged on the upper end side of the barrel body (a) and used for providing a heat preservation hot air source for corresponding component units arranged in the barrel body (a) and preserving heat for a vacuum sewage collection pipe (201) outside the barrel body (a), a vacuum sewage collection unit (2) is arranged on the upper portion of the barrel body (a) and used for collecting sewage, a solid-liquid separation unit (3) is arranged below the vacuum sewage collection unit (2) and corresponds to a discharge opening (2 a) of the vacuum sewage collection unit (2), the solid-liquid separation unit (3) can carry out solid-liquid separation on the sewage falling from the discharge opening (2 a) of the vacuum sewage collection unit (2), and an inner container (5) is arranged below the solid-liquid separation unit (3) and used for receiving liquid phase matters separated in the solid-liquid separation unit (3).

2. A portable energy saving compost bin as claimed in claim 1, characterized in that: the heating and heat-preserving unit (1) at least comprises a first solar vacuum pipe group (b), a second solar vacuum pipe group (c) and an exhaust pipe (105), one end of the solar vacuum pipe set I (b) extends into the inner cavity of the barrel body (a) from a first insertion hole (a 1) corresponding to the upper end of the barrel body (a) to be connected with an air pump (106), the other end extends into the inner cavity of the barrel body (a) from a second insertion hole (a 2) corresponding to the upper end of the barrel body (a) to provide a hot air source for the heat preservation of the inner cavity of the barrel body (a), and simultaneously, a vacuum sewage collecting pipe (201) which introduces a hot air source out of the barrel body (a) is wound for heat preservation through a connecting pipeline, one end of the solar vacuum tube group II (c) extends into the inner cavity of the barrel body (a) from a corresponding jack III (a 3) at the upper end of the barrel body (a) to be connected with a fan I (107), the other end of the solar vacuum tube group II (c) extends into the inner container (5) in the inner cavity of the barrel body (a) from a corresponding jack IV (a 4) at the upper end of the barrel body (a) to aerate or unfreeze liquid phase substances in the inner container (5), one end of the exhaust pipe (105) extends into the inner cavity of the barrel body (a) from a corresponding jack five (a 5) at the upper end of the barrel body (a) to be connected with a second fan (108), the other end is positioned outside the barrel body (a), the vapor in the barrel body (a) can be discharged through the exhaust pipe (105).

3. A portable energy saving compost bin as claimed in claim 2, characterized in that: the solar vacuum tube group I (b) comprises a first solar vacuum tube (101) and a second solar vacuum tube (102), the tops of the first solar vacuum tube (101) and the second solar vacuum tube (102) are connected to form the solar vacuum tube group I (b), the solar vacuum tube group II (c) comprises a third solar vacuum tube (103) and a fourth solar vacuum tube (104), and the tops of the third solar vacuum tube (103) and the fourth solar vacuum tube (104) are connected to form the solar vacuum tube group II (c).

4. A portable energy saving compost bin as claimed in claim 1, characterized in that: dirty unit (2) of vacuum collection includes dirty pipe (201) of vacuum collection, the one end of dirty pipe (201) of vacuum collection is followed ladle body (a) upper end is stretched into in dirty chamber (2 b) of vacuum collection, and inlet scoop (202 a) of vacuum generator (202) are arranged in dirty chamber (2 b) of vacuum collection, vacuum pump (203) with vacuum generator (202) are connected, feed opening (2 a) department in dirty chamber (2 b) of vacuum collection is provided with solid-liquid separation unit (3).

5. The portable energy-saving compost bin as claimed in claim 4, wherein: feed opening (2 a) department in vacuum dirt collecting cavity (2 b) is provided with flap valve (204), the one end of flap valve (204) is provided with balancing weight (204 a), balancing weight (204 a) are installed in feed opening (2 a) department through hinge (204 b), thereby balancing weight (204 a) can be around hinge (204 b) push down make flap valve (204) cover feed opening (2 a) and be used for preventing to return smelly.

6. The portable energy-saving compost bin as claimed in claim 4, wherein: the vacuum sewage collecting pipe (201) is installed at the top of the compost bin according to a certain inclination angle, and a plurality of lifting bends are arranged on the vacuum sewage collecting pipe (201) and used for lifting sewage to climb.

7. The portable energy-saving compost bin as claimed in claim 4, wherein: a partition plate (2 c) is arranged between an air suction opening (202 a) of the vacuum generator (202) and one end of the vacuum dirt collecting pipe (201) extending into the vacuum dirt collecting cavity (2 b).

8. The portable energy-saving compost bin as claimed in claim 4, wherein: the lower part of the vacuum sewage collecting cavity (2 b) is in a bucket shape.

9. A portable energy saving compost bin as claimed in claim 1, characterized in that: the solid-liquid separation unit (3) comprises at least one filter basket (3 a), wherein a filter paper bag (3 b) is arranged in the at least one filter basket (3 a) and used for intercepting solid-phase matters, and the liquid-phase matters flow into the inner container (5).

10. A portable energy saving compost bin as claimed in claim 9, characterized in that: the position between the at least one filter basket (3 a) can be interchanged.

11. A portable energy saving compost bin as claimed in claim 1, characterized in that: an emptying valve (501) and an overflow pipe (502) are arranged at the bottom of the inner container (5), the emptying valve (501) is used for emptying liquid phase substances in the inner container (5), and the overflow pipe (502) is used for overflowing the liquid phase substances under the condition that the liquid phase substances in the inner container (5) are full, so that the liquid phase substances are prevented from overflowing out of the interior of the compost bin.

12. A portable energy saving compost bin as claimed in claim 11, wherein: the overflow pipe (502) is a transparent pipe and is used for observing the liquid level condition in the inner container (5).

13. The portable energy-saving compost bin as claimed in claim 1, wherein: the barrel body (a) comprises an upper barrel body (4) and a lower barrel body (6), and the upper barrel body (4) and the lower barrel body (6) are locked and installed together through a hasp (601).

14. A portable energy saving compost bin as claimed in claim 13, wherein: the upper barrel body (4) and the lower barrel body (6) are filled with heat insulation cotton at the separated parts.

15. A portable energy saving compost bin as claimed in claim 13, wherein: the upper barrel body (4) comprises an upper barrel body shell (4 a) and an upper barrel body inner wall (4 b), and heat insulation cotton is filled in an interlayer between the upper barrel body shell (4 a) and the upper barrel body inner wall (4 b).

16. A portable energy saving compost bin as claimed in claim 13, wherein: an observation cover (401) and a maintenance cover (402) are arranged on the upper barrel body shell (4), and the observation cover (401) can be turned upwards.

17. A portable energy saving compost bin as claimed in claim 16, wherein: the maintenance cover (402) is provided with a first standby vent hole (402 a) and a second standby vent hole (402 b) for inserting the first solar vacuum tube set (b), and one side end of the second standby vent hole (402 b) positioned in the barrel body (a) is used for being connected with the air pump (106).

18. A portable energy saving compost bin as claimed in claim 16, wherein: the maintenance cover (402) is provided with a first insertion hole (a 1) and a second insertion hole (a 2), one side end, located in the barrel body (a), of the first insertion hole (a 1) is provided with an air pump air blowing port (402 c), an aeration air outlet I (402 d) and an air pump air outlet (402 e), one side end, located in the barrel body (a), of the second insertion hole (a 2) is provided with an aeration air outlet II (402 f) and a heat preservation air outlet (402 g), and the maintenance cover (402) is further provided with an air vent (402 i);

the air pump air-blowing port (402 c), the aeration air outlet I (402 d), the air pump air outlet I (402 e), the aeration air outlet II (402 f), the heat preservation air outlet (402 g) and the air vent (402 i) are correspondingly connected through pipelines and then can jointly provide a heat preservation hot air source for corresponding component units arranged in the barrel body (a) and preserve heat for a vacuum sewage collecting pipe (201) outside the barrel body with the air pump (106) and the solar vacuum pipe set I (b).

19. A portable energy saving compost bin as claimed in claim 16, wherein: and a first outlet (402 j) and a second outlet (402 k) are arranged on the maintenance cover (402), an outlet of the first outlet (402 j) is connected with a closestool signal, and an outlet of the second outlet (402 k) supplies power to the compost bin.

20. A portable energy saving compost bin as claimed in claim 16, wherein: a fertilizer outlet (402 h) is formed in the maintenance cover (402), and one end, located in the barrel body (a), of the fertilizer outlet (402 h) is connected with the inner container (5) to extract liquid-phase fertilizer in the inner container (5).

21. A portable energy saving compost bin as claimed in claim 16, wherein: the maintenance cover (402) comprises a first maintenance cover (40201) and a second maintenance cover (40202), the first maintenance cover (40201) and the second maintenance cover (40202) are arranged in a first installation hole (40203) and a second installation hole (40204) of the top of the upper barrel body (a), the first insertion hole (a 1), the second insertion hole (a 2), the first spare ventilation hole (402 a), the second spare ventilation hole (402 b), the first outlet (402 j) and the second outlet (402 k) are arranged on the first maintenance cover (40201), and the fertilizer outlet (402 h) and the vent (402 i) are arranged on the second maintenance cover (40202).

22. A portable energy saving compost bin as claimed in claim 13, wherein: and an interlayer between the lower barrel body (6) and the inner container (5) is provided with heat insulation cotton for insulating the interior of the compost bin.

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