CN115493147A - Small-size modularization multiple rubbish coprocessing's incineration disposal module - Google Patents

Abstract

The invention discloses a small-sized modularized multi-garbage co-processing incineration processing module, which is used for carrying out harmless incineration processing on a plurality of solid waste mixtures and fluid wastes, a mechanical incineration grate furnace is used as main incineration equipment, burners are arranged on two sides of a hearth of an incinerator for assisting incineration, a sludge direct-combustion feeding device is arranged on the top of the hearth of the incinerator and can directly spray sludge into the hearth of the incinerator for desiccation and incineration, a primary fan is arranged below the hearth of the incinerator according to the combustion condition of the hearth of the incinerator for supplying air quantity required for combustion in the hearth of the incinerator, cooled ash and slag are discharged out of a system by a water-cooled spiral slag discharging device after the incineration process and the completion, flue gas after the combustion of the hearth of the incinerator enters a secondary combustion chamber, the flue gas is ensured to stay for at least 2s at the temperature of more than or equal to 850 ℃ under the control of secondary air inlet and the adjustment of the burners and then enters a hot flue gas waste heat utilization module of a small-sized modularized multi-garbage co-processing system at the rear end.

Description

Small-sized modularized incineration treatment module for cooperatively treating various wastes

Technical Field

The invention relates to a garbage disposal device, in particular to a small modularized incineration disposal module for the cooperative disposal of various types of garbage.

Background

At present, a small-scale, modularized and high-flexibility small-sized movable waste incineration system with strong adaptability does not form a mature market scale, but the small-scale, modularized and high-flexibility small-sized movable waste incineration system has many requirements on the harmless treatment of various wastes due to the fact that some small-scale movable waste incineration systems are inconvenient to traffic and have small and discontinuous waste treatment amount, so that the small-scale, modularized and multiple waste incineration system is a development direction with wide market and urgent demand.

Publication number is CN 104061576B, and the patent name is vehicular waste incinerator discloses a vehicular waste incinerator, and this technical scheme has following shortcoming:

firstly, the burning of the garbage on a bed layer can not be adjusted by a furnace bed, so that the burnout rate is difficult to ensure;

secondly, cooling measures are not taken into consideration for the deslagging bed, so that the actual operation can cause damage to equipment;

thirdly, the technical scheme is vehicle-mounted, so that the space is necessarily limited, and the technical scheme is added with equipment such as a heat exchanger, a desulfurization deodorizer and a dust remover, so that more parts are needed, and the realization is difficult in reality.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a small modularized incineration treatment module for the cooperative treatment of various wastes, which is suitable for the harmless incineration of various wastes of a small modularized cooperative treatment system for various wastes.

The technical scheme is as follows: in order to realize the purpose, the invention adopts the following technical scheme:

a small modular multiple waste co-processing incineration disposal module, comprising:

the box to and set up inside the box:

the top of the incinerator hearth is connected with a sludge direct-fired feed inlet arranged at the upper part of the wall of one end of the box body through a sludge feed device;

the distribution device is positioned at the front end of the incinerator hearth, a feed inlet of the distribution device is connected with a mixed solid waste feed inlet arranged on the wall of one end of the box body through a pipeline, and a distribution opening of the distribution device uniformly distributes the conveyed mixed solid waste on a mechanical incineration grate positioned at the lower end of the incinerator hearth for combustion treatment;

one end of the smoke secondary combustion chamber is connected with the rear end of the incinerator hearth, and the other end of the smoke secondary combustion chamber extends towards the other end of the box body until the smoke secondary combustion chamber is connected with an incineration hot smoke outlet arranged on the box wall at the top of the box body;

the ash falling hopper is arranged at the lower end of the mechanical incineration grate and used for collecting incinerated ash; the lower part of the ash falling hopper is connected with a slag discharging port arranged at the bottom of the box wall on one side of the box body through a slag discharging device;

a primary air control pipeline and a secondary air control pipeline, wherein,

the primary air control pipeline penetrates from the middle of the ash falling hopper and is used for providing necessary air quantity for efficient combustion in a hearth of the incinerator and air cooling of the mechanical incineration grate;

the secondary air control pipeline penetrates through the flue gas secondary combustion chamber and is used for providing required air quantity for the flue gas secondary combustion chamber;

1. the secondary air inlet main pipeline is positioned at the rear end of the hearth of the incinerator, one end of the primary air inlet main pipeline and one end of the secondary air inlet main pipeline are connected with a primary air inlet and a secondary air inlet which are arranged on the top of the box body, the other end of the primary air inlet main pipeline and the other end of the secondary air inlet main pipeline are divided into two air inlet branch pipes, one air inlet branch pipe is connected with the primary air control pipeline, and the other air inlet branch pipe is connected with the secondary air control pipeline.

Further, the mechanical incinerator grate includes: the fire grate comprises a frame structure, fixed grates, sliding grates and a driving unit, wherein the fixed grates and the sliding grates are arranged on the frame structure in a staggered mode, and the sliding grates provide power through a driving assembly to enable the sliding grates to reciprocate; the drive assembly includes:

a driving motor, the driving shaft of which is connected with the input shaft of the speed reducer,

a driving crankshaft, an end of which is connected with an output shaft of the speed reducer;

and one end of the rocker connecting rod is arranged on the driving crankshaft, and the other end of the rocker connecting rod is connected with the sliding grate.

Furthermore, the slag discharging device is a row-connected two-stage water-cooling spiral slag discharging device, the upper part of the row-connected two-stage water-cooling spiral slag discharging device is connected with an ash discharging hopper, a two-stage spiral conveying structure is adopted, the first stage is formed by two row-connected water-cooling spiral parts, each water-cooling spiral part is a horizontal section and an inclined section, ash slag is cooled and is firstly conveyed horizontally, and then the height is increased; the two water-cooling spiral parts are respectively connected with the second-stage spiral conveying mechanism, and the collected ash and slag are lifted and discharged out of the system through the slag discharge port.

Furthermore, a plurality of burners are symmetrically arranged in the hearth of the incinerator, so that starting combustion of materials and maintaining efficient combustion in the hearth of the incinerator are guaranteed.

Furthermore, a plurality of combustion detection measuring points are arranged in the incinerator hearth and used for monitoring the combustion condition in the incinerator, and the combustion condition comprises the incinerator hearth temperature, a fire line and a partial combustion condition.

Furthermore, the mixed solid waste conveyed by the secondary spiral material conveyor is uniformly scattered on the mechanical incineration grate through the material shifting blades in the material distribution device.

Furthermore, a temperature monitoring device and a combustor are arranged in the flue gas secondary combustion chamber to ensure that the temperature of flue gas combustion in the flue gas secondary combustion chamber is more than or equal to 850 ℃.

Further, the box body is a standard container.

Has the advantages that:

firstly, the layout is ingenious; in the extremely limited space of the standard container, the difficulty of researching and developing a complete system matched with incineration, slag discharge, secondary combustion of flue gas and the like is extremely high. The conventional garbage incineration system is vertically arranged, and the vertical fall from the garbage feed hopper to the slag discharging device is huge.

Secondly, the structure is compact; the invention firstly adjusts the conventional feeding from the upper part of the incinerator to the feeding from the front end of the incinerator, and the feeding enters the incinerator through a distributing device, so that the height of the incineration system in the vertical direction is reduced; secondly, the incinerator is driven by a conventional hydraulic drive to be changed into a matched motor drive, so that the control precision is improved, and meanwhile, the configuration of a hydraulic station is omitted, and the internal use space is reduced; then, the slag discharging device is connected with a slag dragging machine structure through a conventional scraper, and is further a parallel-row secondary water-cooling spiral slag discharging device, so that the height of the incineration system in the vertical direction is further reduced while the internal environment pollution caused by slag leakage is avoided; finally, the flue gas secondary combustion chamber is changed into a horizontal and inclined arrangement mode from a conventional vertical arrangement mode, the height of the incineration system in the vertical direction is reduced, and meanwhile, the space of the container in the horizontal direction is effectively utilized. Thereby achieving the purpose of arranging a complete incineration system in a limited narrow space.

Thirdly, the burnout rate is high; the mechanical incineration grate furnace adopts the mechanical incineration grate furnace with the fixed grate and the sliding grate which are arranged in a staggered mode, and can achieve the effects of stirring materials and pushing the materials forwards through the reciprocating motion of the sliding grate.

Fourthly, cooling measures are taken for slag discharge, the invention adopts the row-connected secondary water-cooling spiral slag discharge device, cooling water of the row-connected secondary water-cooling spiral slag discharge device enters the device through a cooling water inlet K04 and leaves the device through a hot water outlet K03, the damage to equipment caused by high slag discharge temperature is avoided, and the service life of the equipment is prolonged.

The mechanical incineration grate structure is improved, the structure of the mechanical incineration grate is greatly simplified while the advantages of a large-scale waste incineration mechanical reciprocating mechanical incineration grate are kept, and the mechanical incineration grate structure is made to be adapted to the requirements of small-scale modularized multiple waste cooperative treatment systems to the greatest extent;

sixthly, safety of operators and surrounding environment is guaranteed, a hearth of the incinerator and a secondary flue gas combustion chamber are made of refractory materials, a slag discharging device adopts a water cooling mode, excessive heat radiation in a module is guaranteed, and potential safety hazards of the module to personnel are avoided;

seventh, taking protection measures for the hearth of the incinerator, when the temperature of the hearth of the incinerator is overhigh in a short time, the temperature of the hearth of the incinerator can be controlled in a sludge spraying mode; if the garbage with higher heat value is treated for a long time, a water-cooling or semi-water-cooling mechanical grate furnace can be considered to be adopted for carrying out water-cooling temperature control on the grate body; the two can also be used in combination, thereby protecting the hearth and the fire grate of the incinerator from high temperature corrosion and prolonging the service life;

eighth, a modularized box body structure is adopted, and other miniaturized multi-garbage cooperative treatment modules are matched to perform effective harmless treatment on the multi-garbage;

the waste liquid is used as an incineration treatment module, can be independently used, and is used for carrying out incineration treatment on solid and fluid wastes;

tenth, modular, skid-mounted design (with standard containers as carriers) can transport incineration disposal modules to the required application scenarios conveniently and quickly.

Drawings

FIG. 1 is an isometric three-dimensional schematic view of a small modular multiple waste co-processing system;

FIG. 2 is a logic diagram of the system operation of the small modular multiple garbage co-processing system;

FIG. 3 is a schematic diagram showing the equipment configuration of the feed pretreatment module and the incineration module;

FIG. 4 is a schematic view of all external interfaces of the incineration module according to the invention;

FIG. 5 is a perspective view of an incineration module according to the invention from one perspective and from the same axis;

FIG. 6 is another perspective isometric view of an incineration module according to the invention;

FIG. 7 is a view of the drive connection structure and the grate structure of the mechanical incinerator grate of the present invention;

FIG. 8 is an isometric view of the row-by-row two-stage water-cooled spiral deslagging device of the present invention;

FIG. 9 is a schematic view of the overall mass flow of the incineration module according to the invention;

1. a central control module; 2. a mobile generator set module; 3. a feed pre-treatment module; 4. an incineration processing module; 5. a hot flue gas waste heat utilization module; 6. a flue gas purification module; 7. a sewage treatment module; 8. a system coupling customization module; 9. loading the mobile module;

l01, primary air draft and secondary air draft connecting pipe sections; l02, a solid waste feeding connecting section; l03, connecting a sludge feeding pipe section; 301. a secondary screw material conveyor; 302. a sludge direct-fired material conveying pipeline; 303. a primary air suction opening and a secondary air suction opening;

K01. a sludge direct-combustion feeding hole; K02. a mixed solid waste feeding hole; K03. a hot water outlet of the water-cooled slag extractor; k04, a cooling water inlet of the water-cooling slag extractor; K05. an incineration hot flue gas outlet; K06. a primary air inlet and a secondary air inlet; K07. a slag discharge port;

401. a standard container; 402. people enter and exit the door; 403. a sludge feeding device; 404. a material distribution device; 405. an incinerator hearth; 406. a mechanical incineration grate; 407. a dust falling hopper; 408. a primary air control pipeline; 409. a secondary water-cooling spiral slag discharging device is arranged in series; 410. a secondary air control pipeline; 411. a flue gas secondary combustion chamber; 412. the primary air inlet pipeline and the secondary air inlet pipeline.

4061. Motors are symmetrically arranged on two sides and connected with the helical gear speed reducer; 4062. a drive crankshaft; 4063. a rocker connecting rod; 4064. fixing a grate; 4065. a sliding grate.

4091. A first-stage water-cooling spiral horizontal section; 4092. a first-stage water-cooled spiral inclined section; 4093. a secondary conveying screw.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the invention discloses a small modularized incineration treatment module for the cooperative treatment of various kinds of garbage.

As shown in fig. 1; various solid waste mixtures and fluid wastes (taking sludge as an example) enter the module for harmless incineration treatment, a hot flue gas waste heat utilization module 5 generated in the module is used for flue gas waste heat utilization after treatment, ash residues generated after solid waste incineration treatment are discharged out of the module, signals collected in the modules are fed back to the central control module 1 and are subjected to centralized control of the central control module 1, and electric power required by the modules is provided by the mobile generator set module 2, as shown in fig. 2.

As shown in figure 1, the small modular incineration treatment module for the cooperative treatment of various wastes adopts a standard container as a carrier, is mainly convenient for transportation, land transportation, sea transportation and air transportation, and selects containers of different specifications, 40-foot common cabinets, 40-foot high cabinets or 45-foot high cabinets and the like according to different waste treatment capacities.

As shown in fig. 4, a plurality of doors for people to enter and exit can be provided at different positions of the container as required, and a plurality of interfaces are provided on the container, specifically: the good mixed solid waste of feed pretreatment module in-process gets into this module through mixing solid waste feed inlet K02, mud under the suitable condition gets into the burning furnace of burning of this module through mud direct combustion feed inlet K01, required one in the module, the overgrate air is through one, overgrate air intake K06 gets into, the cooling water of antithetical couplet row second grade water-cooling spiral row sediment device gets into the device and leaves the device by hot water outlet K03 through cooling water inlet K04, produce hot flue gas in the burning furnace and discharge this module by hot exhanst gas outlet K05, burn out and the refrigerated lime-ash is arranged the cinder and is discharged this module by slag discharge mouth K07 in the burning furnace.

As shown in fig. 3 to 8, the incineration module can be specifically expressed as:

the top of the incinerator furnace 405 is provided with a sludge feeding device 403, the front end of the sludge feeding device 403 is connected with a sludge feeding connecting pipe section L03, under a proper condition, the opening and closing of a main pipe control valve and branch pipe control valves of the sludge feeding device 403 spray the sludge conveyed by the sludge direct-combustion material conveying pipeline 302 into the incinerator furnace at different positions, and the sludge falls on a mechanical incinerator grate 406 to perform direct combustion treatment on the sludge;

the front end of the distributing device 404 is connected with the solid waste feeding connecting section L02, the rear end is provided with a burning incinerator hearth 405 and a mechanical burning grate 406, and the mixed solid waste conveyed by the secondary spiral material conveyor 301 is uniformly distributed on the mechanical burning grate 406 through the regular movement of the material stirring blades in the device, so that the efficient harmless burning treatment of the mixed solid waste in the burning incinerator hearth 405 is facilitated;

the incinerator hearth 405 and the mechanical incinerator grate 406 at the lower end form the core of an incineration module, the front end of the incinerator hearth 405 is connected to the mechanical incinerator grate 406, the upper end of the incinerator hearth is provided with a sludge feeding device 403, the rear end of the incinerator hearth is connected with a smoke secondary combustion chamber 411, and a plurality of burners are symmetrically arranged on two sides of the incinerator hearth, in the embodiment, the burners are 4, so that the start combustion of materials and the high-efficiency combustion in the incinerator hearth are guaranteed;

the mechanical incineration grate 406 comprises a frame structure, a fixed grate, a sliding grate, a driving unit and the like, the advantages of the large-scale waste incineration mechanical reciprocating mechanical incineration grate are kept, meanwhile, the structure is greatly simplified, and the large-scale waste incineration mechanical reciprocating mechanical incineration grate is made to be adapted to the requirements of small-sized modularized various waste cooperative treatment systems to the greatest extent;

the mechanical incineration grate furnace is designed with different mechanical incineration grate design schemes of an air cooling mechanical incineration grate, a water cooling mechanical incineration grate and a semi-water cooling mechanical incineration grate, and adopts a corresponding proper mechanical incineration grate structure according to different application requirements;

an ash falling hopper 407 is arranged below the mechanical incineration grate, a primary air control pipeline penetrates through the middle of the ash falling hopper 407, the primary air control pipeline provides necessary air quantity for efficient combustion in the hearth of the incinerator and air cooling of a mechanical incineration grate segment, and meanwhile, the ash falling hopper collects incinerated ash and slag and falls into a combined secondary water-cooling spiral slag discharging device 409;

the primary air control pipeline 408 and the secondary air control pipeline 410 are respectively provided with a primary air inlet main pipeline 412 and a secondary air inlet main pipeline 412 for extracting required air to supply required air volume to the incinerator and the flue gas secondary combustion chamber;

the primary air is supplied to the primary air in the two ash hoppers by a fan and is regulated by primary air control devices in the ash hoppers respectively;

the secondary air is supplied to the secondary air required by the flue gas secondary combustion chamber through the fan and is sprayed into the flue gas secondary combustion chamber 411 through a special secondary air annular pipeline and a six-claw air outlet nozzle,

a temperature monitoring device and a burner are arranged in the flue gas secondary combustion chamber 411 to ensure that the combustion temperature of the flue gas in the flue gas secondary combustion chamber 411 is more than or equal to 850 ℃, and the length of a pipeline of the flue gas secondary combustion chamber 411 is designed and determined according to the condition that the flue gas undergoes more than or equal to 2s in the flue gas secondary combustion chamber 411;

the hot flue gas discharged from the hearth of the incinerator passes through the flue gas secondary combustion chamber 411 and is sent to the waste heat utilization module 5 through a hot flue gas outlet K05;

the upper part of the row-connected secondary water-cooling spiral slag discharging device 409 is connected with an ash falling hopper 407, a two-stage spiral conveying mode is adopted, the first stage consists of two water-cooling spiral parts which are arranged in a row, each water-cooling spiral part is a horizontal section and an inclined section, and ash is cooled, conveyed horizontally and then lifted; and the two water-cooling spiral parts are respectively connected to the second-stage spiral conveying mechanism, and the collected ash is lifted and discharged out of the system through a slag discharge port K07.

The invention arranges the slag discharging device into two stages:

1. collecting, namely collecting the ash and slag collected by the ash hoppers on the two sides into a screw conveyor and discharging the ash and slag out of the incineration module;

2. the horizontal section of the first-stage water-cooling spiral is positioned below the ash hopper and used for collecting ash, and the inclined section of the first-stage water-cooling spiral and the second-stage spiral conveying mechanism can lift the ash to a certain height and discharge the ash out of the incineration module, so that the ash can be conveniently received from the outside;

as shown in FIG. 9, the material flow direction when the incineration disposal module works is as follows:

mixed garbage enters an incinerator hearth 405 from a mixed solid waste feeding hole K02 through a distributing device 404 and is fully combusted under the stirring and pushing of a mechanical incinerator grate 406;

under proper conditions, the sludge is sprayed into a hearth 405 of the incinerator from a direct-fired feed port K01 through a sludge feed device 403, and is incinerated together with the mixed garbage;

ash and slag generated in the incineration process of mixed garbage or the same sludge enter a combined-row secondary water-cooling spiral slag discharging device 409 through an ash falling hopper 407, and are discharged out of the incineration treatment module through a slag discharging port K07 after being cooled;

mixed garbage or flue gas generated in the incineration process of the mixed garbage or the same sludge is treated by a flue gas secondary combustion chamber and then is discharged out of the incineration treatment module through a hot flue gas outlet K05;

1. air extracted by secondary air enters a main pipeline 412 through an air inlet K06, and enters an incinerator hearth 405 and a flue gas secondary combustion chamber 411 through a primary air control pipeline 408 and a secondary air control pipeline 410 respectively to supply air amount required by treatment.

Claims (8)

1. The utility model provides a small-size modularization multiple rubbish coprocessing's incineration disposal module which characterized in that includes:

the box to and set up inside the box:

the incinerator furnace hearth (405) is arranged in the box body and close to one end of the box body, and the top of the incinerator furnace hearth (405) is connected with a sludge direct-combustion feed inlet (K01) formed in the upper part of the box wall at one end of the box body through a sludge feeding device (403);

the material distribution device (404) is positioned at the front end of the incinerator hearth (405), a feed inlet of the material distribution device (404) is connected with a mixed solid waste feed inlet (K02) arranged on one end wall of the box body through a pipeline, and a material distribution port of the material distribution device uniformly distributes the conveyed mixed solid waste on a mechanical incineration grate (406) positioned at the lower end of the incinerator hearth (405) for combustion treatment;

one end of the smoke secondary combustion chamber (411) is connected with the rear end of the incinerator hearth (405), and the other end of the smoke secondary combustion chamber extends towards the other end of the box body until being connected with an incineration hot smoke outlet (K05) arranged on the box wall at the top of the box body;

the ash falling hopper (407) is arranged at the lower end of the mechanical incineration grate (406) and is used for collecting incinerated ash; the lower part of the ash falling hopper (407) is connected with a slag discharging port (K07) arranged at the bottom of the box wall at one side of the box body through a slag discharging device (409);

a primary air control pipeline (408) and a secondary air control pipeline (410), wherein,

the primary air control pipeline (408) penetrates from the middle of the ash falling hopper (407) and is used for providing necessary air volume for efficient combustion in a hearth of the incinerator and air cooling of the mechanical incineration grate;

the secondary air control pipeline (410) penetrates from the flue gas secondary combustion chamber (411) and is used for providing required air volume for the flue gas secondary combustion chamber (411);

1. the secondary air inlet main pipeline (412) is positioned at the rear end of the incinerator hearth (405), one end of the primary air inlet main pipeline (412) and one end of the secondary air inlet main pipeline (412) are connected with a primary air inlet (K06) and a secondary air inlet (K06) which are arranged on the top of the box body, the other end of the primary air inlet main pipeline (412) and the other end of the secondary air inlet main pipeline (412) are divided into two air inlet branch pipes, one of the air inlet branch pipes is connected with the primary air control pipeline (408), and the other air inlet branch pipe is connected with the secondary air control pipeline (410).

2. A compact modular multiple waste co-processing incineration module according to claim 1, characterised in that the mechanical incineration grate (406) comprises: the fire grate comprises a frame structure, fixed grates, sliding grates and a driving unit, wherein the fixed grates and the sliding grates are arranged on the frame structure in a staggered mode, and the sliding grates provide power through a driving assembly to enable the sliding grates to reciprocate; the drive assembly includes:

a driving shaft of the driving motor is connected with an input shaft of the speed reducer,

a driving crankshaft, an end of which is connected with an output shaft of the speed reducer;

and one end of the rocker connecting rod is arranged on the driving crankshaft, and the other end of the rocker connecting rod is connected with the sliding grate.

3. The incineration processing module of small modular multi-waste co-processing according to claim 1, wherein the slag discharge device is a row-connected secondary water-cooled spiral slag discharge device, the upper part of the row-connected secondary water-cooled spiral slag discharge device (409) is connected with an ash hopper (407), a two-stage spiral conveying structure is adopted, the first stage is composed of two row-connected water-cooled spiral parts, each water-cooled spiral part is a horizontal section and an inclined section, and ash is cooled and conveyed horizontally before being lifted; the two water-cooling spiral parts are respectively connected to the second-stage spiral conveying mechanism, and the collected ash is lifted and discharged out of the system through a slag discharge port (K07).

4. A small modular multiple waste co-processing incineration module according to claim 1, characterised in that the incinerator furnace (405) is symmetrically arranged with multiple burners to provide for starting combustion of material and maintaining efficient combustion in the incinerator furnace.

5. The incineration module of small modular multi-waste co-treatment according to claim 1, wherein a plurality of combustion detection points are arranged in the incinerator hearth (405) for monitoring the combustion condition in the incinerator, and the combustion condition includes incinerator hearth temperature, firing line and partial combustion condition.

6. The incineration module for small-scale modular multi-waste co-treatment according to claim 1, wherein the mixed solid waste conveyed by the secondary screw conveyor (301) is uniformly distributed on the mechanical incineration grate (406) by the distribution device (404) through the material shifting blade.

7. The incineration processing module for the collaborative processing of various small modular wastes according to claim 1, characterized in that a temperature monitoring device and a burner are arranged in the flue gas secondary combustion chamber (411) to ensure that the temperature of flue gas combustion in the flue gas secondary combustion chamber (411) is not less than 850 ℃.

8. A compact modular multiple waste co-processing incineration module according to claim 1, characterised in that the tank is a standard container.

Images