Leachate treatment equipment for garbage transfer station

Abstract

The utility model discloses leachate treatment equipment for a garbage transfer station, which relates to the technical field of garbage leachate treatment, and adopts the technical scheme that the leachate treatment equipment comprises a box body, a support is fixed in the box body, and an acid-base adjusting cylinder, a filter cylinder, an advanced oxidation cylinder, an electro-catalysis box, a biochemical pool and a disinfection box are mounted on the support; one end of the box body is connected with a water inlet pipe, the other end of the box body is connected with a water outlet pipe, the water inlet pipe extends into the end of the box body and is communicated with the acid-base adjusting cylinder, and the water outlet pipe extends into the end of the box body and is communicated with the disinfection box; the part, located outside the box body, of the water inlet pipe is connected with an expansion pipe, a waste gas treatment box is further arranged in the box body and communicated with the expansion pipe, and the waste gas treatment box is in water circulation connection with the water inlet pipe and the water outlet pipe. The equipment is high in integration level, simple in overall equipment structure and small in occupied area, and meanwhile, gas and water are integrally treated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to garbage leachate treatment technical field especially relates to a kind of garbage transfer station leachate treatment equipment. BACKGROUND

[0002] The stacking process in garbage transfer produces leachate with complex composition, organic pollutants and high ammonia nitrogen concentration, which can cause serious environmental pollution if not treated.The small-scale leachate generated by small garbage transfer treatment facilities and transfer stations requires small-scale treatment equipment, but most of the existing equipment is large and complex, which is not suitable for small-scale leachate treatment.

[0003] The existing technology has the following disadvantages:

[0004] High cost: large equipment structure is complex, and the investment cost is high, and the resources such as equipment and manpower are wasted when used in small scale.The membrane assembly in membrane treatment process is easy to be polluted and blocked, and needs to be cleaned and replaced regularly, which increases the cost;

[0005] Poor adaptability: the existing process is not suitable for leachate with large water quality and quantity fluctuations, and it is difficult to achieve stable and standard discharge.The concentrated liquid produced by membrane advanced treatment will increase the treatment burden and the risk of membrane pollution;

[0006] Large area: some traditional treatment equipment has low integration, and needs multiple tanks and large space, which is difficult to meet the requirements of small garbage treatment sites;

[0007] Complex operation and maintenance: large equipment requires professional personnel and technology for operation and maintenance, and the equipment with complex process has many fault points, high maintenance cost and long maintenance time, which affects the treatment efficiency. Utility model content

[0008] The utility model aims to provide a kind of garbage transfer station leachate treatment equipment, which has high integration, simple overall equipment structure, small area and integrated gas and water treatment.

[0009] To achieve the above purpose, the utility model provides the following technical solutions:

[0010] The utility model provides a kind of landfill leachate treatment equipment, the equipment includes box, one side of box is open side, support is fixed inside box, acid-base adjusting cylinder, filter cylinder, advanced oxidation cylinder, electro-catalytic tank, biochemical pool and disinfection tank are installed on support, acid-base adjusting cylinder, filter cylinder, advanced oxidation cylinder, electro-catalytic tank, biochemical pool and disinfection tank are communicated by connecting pipeline between them, the water inlet pipe is connected at one end of the box, and the water outlet pipe is connected at the other end, the water inlet pipe is inserted into the end of the box and communicated with the acid-base adjusting cylinder, the water outlet pipe is inserted into the end of the box and communicated with the disinfection tank, the water inlet pipe is connected with the expansion pipe in the external part of the box, the inside of the box is also provided with waste gas treatment tank, waste gas treatment tank is communicated with expansion pipe, waste gas treatment tank is circularly connected between water inlet pipe and water outlet pipe, advanced oxidation cylinder side is communicated with ozone generator.

[0011] Further, the open side of the box is slidingly connected with several door panels, all door panels completely cover the open side of the box in the initial state.

[0012] Further, the water inlet pipe is connected with the first booster pump away from the end of the box.

[0013] Further, the expansion pipe is fixed on the water inlet pipe by flange screws at both ends, a guide pipe is fixed on the side of the expansion pipe, the guide pipe is communicated with the expansion pipe, a microporous membrane is fixed between the guide pipe and the expansion pipe, and the guide pipe is connected to the inside of the waste gas treatment tank away from the end of the expansion pipe.

[0014] Further, the filter cylinder is fixed with several partition plates inside, the partition plates are all provided with water-permeable through holes, and different filter materials are placed in the area between the upper and lower partition plates.

[0015] Further, the inside of the biochemical pool is provided with a partition plate, the partition plate divides the inside of the biochemical pool into an anaerobic tank, an anoxic tank, an aerobic tank and an MBR membrane bioreactor in communication, a gas guide cover is fixed above the anaerobic tank, the anoxic tank and the aerobic tank inside the box, a gas guide pipe is connected to the top of the gas guide cover, a tee joint is communicated with the end of the gas guide pipe away from the gas guide cover, and the tee joint is communicated with the guide pipe away from the end of the gas guide pipe.

[0016] Further, the side of the waste gas treatment tank is connected with a spray head, the spray head is connected with a water supply pipe away from the waste gas treatment tank, the other end of the water supply pipe is connected with the same tee joint, one end of the tee joint is connected with the water outlet pipe, and the other end is used for water discharge, and the second booster pump and the electromagnetic valve are arranged outside the water supply pipe.

[0017] Further, the side of the waste gas treatment tank is also connected with a circulation pipe, the circulation pipe is connected with a transition pipe away from the end of the waste gas treatment tank, the transition pipe is communicated with the water inlet pipe away from the end of the circulation pipe, and the inner wall of the transition pipe close to the water inlet pipe is embedded with a one-way membrane.

[0018] Further, the third booster pump is arranged between the disinfection tank and the biochemical tank, and the disinfection tank is internally provided with upper and lower two areas which are communicated.

[0019] In conclusion, the present application has the following advantages: the present application is suitable for the leachate with large water quality and quantity fluctuation, can stably discharge up to the standard, has small land occupation, high equipment integration, is an integrated facility, contains air and water integrated treatment, is simple in operation and maintenance, can be remotely controlled in the water treatment process, and is easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and do not constitute a limitation of the present application. In the drawings:

[0021] Fig. 1 is a structural schematic view of a leachate treatment equipment of a garbage transfer station according to the present application;

[0022] Fig. 2 is a top structural schematic view of a leachate treatment equipment of a garbage transfer station according to the present application;

[0023] Fig. 3 is a structural schematic view of an inner box of a leachate treatment equipment of a garbage transfer station according to the present application.

[0024] In the drawings, 1, box; 2, support; 3, electromagnetic valve; 4, acid-base adjusting cylinder; 5, filter cylinder; 6, advanced oxidation cylinder; 7, electro-catalysis tank; 8, biochemical tank; 9, disinfection tank; 10, water inlet pipe; 11, water outlet pipe; 12, expansion pipe; 13, waste gas treatment tank; 14, ozone generator; 15, door plate; 16, first booster pump; 17, leading-out pipe; 18, gas guide cover; 19, gas guide pipe; 20, three-way pipe; 21, second booster pump; 22, circulation pipe; 23, transition pipe; 24, third booster pump. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0027] Please refer to Figs. 1-3The utility model provides technical scheme: a kind of leachate treatment equipment of garbage transfer station, the equipment includes box 1, one side of box 1 is open side, support 2 is fixed in the inside of box 1, acid-base adjusting cylinder 4, filter cylinder 5, advanced oxidation cylinder 6, electrocatalysis box 7, biochemical pool 8 and disinfection tank 9 are installed on support 2, acid-base adjusting cylinder 4, filter cylinder 5, advanced oxidation cylinder 6, electrocatalysis box 7, biochemical pool 8 and disinfection tank 9 are communicated by connecting pipeline, one end of box 1 is connected with inlet pipe 10, first booster pump 16 is connected with water outlet pipe 11 in the end of inlet pipe 10 away from box 1, inlet pipe 10 is inserted into the end of box 1 and is communicated with acid-base adjusting cylinder 4, water outlet pipe 11 is inserted into the end of box 1 and is communicated with disinfection tank 9, expansion pipe 12 is connected with the external part of box 1 of inlet pipe 10, the inside of box 1 is also equipped with waste gas treatment box 13, waste gas treatment box 13 is communicated with expansion pipe 12, waste gas treatment box 13 is circularly connected between inlet pipe 10 and water outlet pipe 11, advanced oxidation cylinder 6 side is communicated with ozone generator 14.

[0028] Several door panels 15 are slidably connected on the open side of box 1, all door panels 15 are completely covered in initial state open side of box 1, in the embodiment, lock catch is arranged between door panel 15, several door panels 15 can be slidably moved after lock catch is opened, facilitate opening box 1 to carry out overhaul and maintenance to the equipment in the inside.

[0029] Wherein, several partition plates are fixed in filter cylinder 5, and the partition plates are all provided with water-permeable through holes, and different filter materials are placed in the regions between the upper and lower partition plates, in the embodiment, two partition plates are arranged, and the two partition plates divide the internal space of filter cylinder 5 into three regions, and the filter materials in each region from top to bottom are manganese sand, quartz sand and activated carbon respectively.

[0030] Meanwhile, a partition plate is arranged in the inside of biochemical pool 8, the partition plate divides the inside of biochemical pool 8 into an anaerobic tank, an anoxic tank, an aerobic tank and an MBR (Membrane Bioreactor) in communication, the anaerobic tank, the anoxic tank and the aerobic tank are provided with a gas guide cover 18 fixed in the inside of box 1, the gas guide cover 18 is connected with a gas guide pipe 19 at the top, the gas guide pipe 19 is communicated with a tee pipe 20 away from the gas guide cover 18, and the tee pipe 20 is communicated with the gas outlet pipe 17 away from the gas guide pipe 19.

[0031] A third booster pump 24 is arranged between disinfection tank 9 and biochemical pool 8, for increasing the rate of water entering disinfection tank 9, and the inside of disinfection tank 9 is provided with two upper and lower regions in communication, in the embodiment, the inside of disinfection tank 9 is respectively an activated carbon particle adsorption layer in the upper layer and an ultraviolet disinfection layer in the lower layer.

[0032] Further provided is an expansion pipe 12, two ends of the expansion pipe 12 are fixed on the water inlet pipe 10 through flange screws, a guide-out pipe 17 is fixed on the side of the expansion pipe 12, the guide-out pipe 17 is communicated with the expansion pipe 12, a microporous membrane is fixed at the communication position between the guide-out pipe 17 and the expansion pipe 12, and the end, away from the expansion pipe 12, of the guide-out pipe 17 is connected to the inside of the waste gas treatment box 13, wherein the presence of the expansion pipe 12 can increase the residence time of the permeate liquid when entering, so as to facilitate the guide-out of the gas contained in the inside.

[0033] The waste gas treatment box 13 is connected with a spray head on the side, the spray head is connected with a water supply pipe 26 away from the waste gas treatment box 13, the other end of the water supply pipe 26 is connected with the same tee pipe 20, one end of the tee pipe 20 is connected with the water outlet pipe 11, and the other end is used for water discharge, the outside of the water supply pipe 26 is provided with a second booster pump 21 and an electromagnetic valve 3, and a circulation pipe 22 is further connected on the side of the waste gas treatment box 13, the end, away from the waste gas treatment box 13, of the circulation pipe 22 is connected with a transition pipe 23, the end, away from the circulation pipe 22, of the transition pipe 23 is communicated with the water inlet pipe 10, and a one-way membrane is embedded on the inner wall of the transition pipe 23 close to the water inlet pipe 10.

[0034] The waste gas treatment box 13 has two gas introduction positions, one is the gas contained in the initial permeate liquid, which enters the inside of the waste gas treatment box 13 along the guide-out pipe 17 through the expansion pipe 12, and the other is the gas generated in the biochemical tank 8, which enters the guide-out pipe 17 along the gas guide pipe 19, and then enters the waste gas treatment box 13, the waste gas in the waste gas treatment box 13 is treated by the spray waste gas treatment method, the generated spray water is the clean water discharged from the water outlet pipe 11, and in this embodiment, a catalyst adding pipe can be added on the side of the water supply pipe, a catalyst is added in the clean water, so that the efficiency of waste gas treatment is increased.

[0035] The working principle of the utility model is as follows: the garbage permeate liquid enters the inside of the box body 1 along the water inlet pipe 10 for water treatment, when entering, the first booster pump 16 is opened, the permeate liquid is sucked, and the permeate liquid can stay in the inside of the expansion pipe 12, the gas in the inside is guided out to the inside of the waste gas treatment box 13 along the guide-out pipe 17, a microporous membrane is arranged between the expansion pipe 12 and the guide-out pipe 17, so as to avoid that the permeate liquid is guided out along the guide-out pipe 17, and the permeate liquid gradually enters the acid-base adjusting cylinder 4, the filter cylinder 5, the advanced oxidation cylinder 6, the electro-catalytic box 7, the biochemical tank 8 and the disinfection box 9 in sequence for water treatment, and then the clean water is discharged through the water outlet pipe 11 connected with the disinfection box 9; at the same time of discharging the clean water, the clean water is divided through the tee pipe 20, part of the clean water can be used for the waste gas treatment box 13 again, the second booster pump 21 is opened, the clean water is sucked to the inside of the waste gas treatment box 13, the waste gas treatment box 13 can collect the waste gas from the inside of the biochemical tank 8, the waste gas is treated centrally, and the sewage containing chemical substances is entered into the circulation pipe 22 again for water treatment.

[0036] The embodiment is used in the case of power loading 220V, wherein the booster pump and solenoid valve and other electrical components can be remotely controlled, and the solenoid valve is kept normally closed when the exhaust treatment box 13 is not working, so as to avoid waste of clean water.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for the purpose of limiting the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A leachate treatment apparatus for a waste transfer station, characterised in that, The equipment includes a box body (1), one side of the box body (1) is an open side, a support (2) is fixed inside the box body (1), an acid-base adjusting cylinder (4), a filter cylinder (5), a advanced oxidation cylinder (6), an electro-catalytic tank (7), a biochemical tank (8) and a disinfection tank (9) are installed on the support (2), the acid-base adjusting cylinder (4), the filter cylinder (5), the advanced oxidation cylinder (6), the electro-catalytic tank (7), the biochemical tank (8) and the disinfection tank (9) are communicated through connecting pipes, one end of the box body (1) is connected with a water inlet pipe (10), the other end is connected with a water outlet pipe (11), the water inlet pipe (10) extends into the end of the box body (1) and communicates with the acid-base adjusting cylinder (4), the water outlet pipe (11) extends into the end of the box body (1) and communicates with the disinfection tank (9), the water inlet pipe (10) is connected with an expansion pipe (12) at the part outside the box body (1), a waste gas treatment tank (13) is further arranged inside the box body (1), the waste gas treatment tank (13) communicates with the expansion pipe (12), the waste gas treatment tank (13) is circularly connected with the water inlet pipe (10) and the water outlet pipe (11), an ozone generator (14) is communicated with the side of the advanced oxidation cylinder (6).

2. The leachate treatment plant for a waste transfer station according to claim 1, characterized in that, A plurality of door plates (15) are slidably connected to the open side of the box body (1), all the door plates (15) completely cover the open side of the box body (1) in the initial state.

3. The leachate treatment apparatus for a waste transfer station according to claim 1, characterized by, The water inlet pipe (10) is connected with a first booster pump (16) at the end away from the box body (1).

4. The leachate treatment apparatus for a waste transfer station according to claim 1, characterized by, The expansion pipe (12) is fixed on the water inlet pipe (10) through flange screws at both ends, a guide pipe (17) is fixed on the side of the expansion pipe (12), the guide pipe (17) communicates with the expansion pipe (12), a microporous membrane is fixed at the communication part of the guide pipe (17) and the expansion pipe (12), the guide pipe (17) is connected to the inside of the waste gas treatment tank (13) at the end away from the expansion pipe (12).

5. The leachate treatment apparatus for a waste transfer station according to claim 1, wherein A plurality of partition plates are fixed inside the filter cylinder (5), the partition plates are all provided with water-permeable through holes, different filter materials are placed in the areas between the upper and lower partition plates.

6. The leachate treatment apparatus for a waste transfer station according to claim 1, characterized by, A partition plate is arranged inside the biochemical tank (8), the partition plate divides the inside of the biochemical tank (8) into an anaerobic tank, an anoxic tank, an aerobic tank and an MBR membrane bioreactor which are communicated, a gas guide cover (18) is fixed inside the box body (1) above the anaerobic tank, the anoxic tank and the aerobic tank, a gas guide pipe (19) is connected to the top of the gas guide cover (18), a three-way pipe (20) is communicated with the gas guide pipe (19) at the end away from the gas guide cover (18), the three-way pipe (20) communicates with the guide pipe (17) at the end away from the gas guide pipe (19).

7. The leachate treatment plant for a waste transfer station according to claim 6, characterized in that, A spray head is connected to the side of the waste gas treatment tank (13), the spray head is connected with a water supply pipe (26) at the end away from the waste gas treatment tank (13), the other end of the water supply pipe (26) is connected with the same three-way pipe (20), one end of the three-way pipe (20) is connected with the water outlet pipe (11), the other end is used for water discharge, a second booster pump (21) and an electromagnetic valve (3) are arranged outside the water supply pipe (26).

8. The leachate treatment plant for a waste transfer station according to claim 6, characterized in that, The exhaust treatment box (13) side is also connected with circulating pipe (22), and the circulating pipe (22) is connected with transition pipe (23) away from the exhaust treatment box (13) end, and the transition pipe (23) is communicated with the water inlet pipe (10) away from the circulating pipe (22) end, and the transition pipe (23) is close to the water inlet pipe (10) side, and the inner wall is embedded with one-way membrane.

9. The leachate treatment apparatus for a waste transfer station according to claim 1, characterized by, The third booster pump (24) is arranged between the disinfection tank (9) and the biochemical pool (8), and the disinfection tank (9) is internally provided with two upper and lower areas, and the two upper and lower areas are communicated.

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