CN203613026U - High suspended solid anaerobic digestion device - Google Patents

Abstract

The utility model belongs to the technical field of environmental protection treatment equipment, and relates to a high-suspended solid anaerobic digestion device, which includes a feed pipe, an inner cylinder area, an outer cylinder area, a three-phase separation area, a mixing area, an outlet pipe, a mud discharge pipe, Biogas collection pipes, sampling and testing ports, etc. The feed pipeline is to directly send the suspended solids into the inner cylinder area, and the anaerobic sludge and suspended solids are mixed and lifted by the rising biogas flow generated by the reaction in the inner cylinder area and the dual power of the mechanical paddle boost, and then The mixed liquid enters the three-phase separation area; in the three-phase separation area, the overflow of waste water is discharged from the outlet pipe, the biogas rises into the biogas collection pipe, and the sludge settles and enters the mixing area through the outer cylinder area; part of the sludge enters the inner chamber under the action of the above thrust. The cylinder area forms an internal circulation, and the excess sludge is discharged from the sludge pipeline. The device of the utility model can be used for treating waste water containing high suspended solids, excess sludge, domestic garbage, etc., and has remarkable social, environmental and economic benefits.

Description

A high suspended solids anaerobic digestion device

technical field

The utility model belongs to the technical field of environmental protection treatment equipment, and relates to a high-suspended-solid anaerobic digestion device, which uses an anaerobic digestion method to treat waste water containing high-suspended solids, excess sludge, livestock and poultry manure, kitchen waste or domestic waste.

Background technique

For the anaerobic digestion treatment of organic matter such as high-suspended solid wastewater, excess sludge, livestock and poultry manure, kitchen waste or domestic waste, in order to ensure a good anaerobic fermentation effect, it is necessary to make the suspended solids in the treatment object and anaerobic sludge Full contact and reaction, while ensuring that sufficient activated sludge can be maintained in the anaerobic digestion tank. However, the most widely used traditional anaerobic digestion tank currently adopts an integrated non-separated device, and anaerobic digestion and three-phase separation are all carried out in the same reaction zone; The feed pressure and the mechanical stirring device or compressed biogas stirring pipeline set in the reaction zone are used for stirring. This setting method causes the following problems in the anaerobic digestion tanks widely used at home and abroad: (1) The contact between the suspended solids and the anaerobic sludge is not sufficient, which affects the treatment effect; (2) The three-phase separation equipment and the reaction zone are not obvious (3) The anaerobic sludge cannot be quickly returned to the reaction zone, and a large amount of anaerobic sludge flows out of the anaerobic digestion tank with the anaerobic digestion liquid, causing anaerobic The anaerobic sludge concentration in the oxygen digester is low and the sludge age is short.

In view of this, a new type of anaerobic digestion tank is designed to have an independent reaction zone and three-phase separation zone, and special mixing equipment and three-phase separation measures are set up to increase the return rate of anaerobic sludge and prolong the anaerobic sludge. It is very necessary to ensure the sludge age of aerobic sludge to ensure efficient anaerobic digestion effect.

Utility model content

The utility model aims at the problem that it is difficult to effectively maintain the highly active anaerobic sludge in the system in the treatment devices of waste water containing high suspended solids, excess sludge, livestock and poultry manure, kitchen waste or domestic waste, and provides a high suspended solids Anaerobic digestion unit. The application of this device can realize the efficient and full mixing and contacting of suspended solids and anaerobic sludge in the treatment object, reduce the loss of anaerobic sludge at the same time, maintain a high concentration of anaerobic sludge in the anaerobic digestion tank and a long time Anaerobic sludge age, improve the volume utilization rate of equipment, improve the effect of treating wastewater containing high suspended solids, excess sludge, livestock and poultry manure, kitchen waste or domestic waste, and effectively collect biogas for resource utilization.

The utility model is realized by adopting the following technical solutions:

The utility model is a highly suspended solid anaerobic digestion device, which comprises a feed pipeline, an inner cylinder area, an outer cylinder area, a mixing area, a three-phase separation area, a straight cylinder mud-water separation area, a straight cylinder gas collection cap, a biogas collection pipe, and a water outlet Pipelines, mud discharge pipes, sampling and testing ports.

The inner cylinder area and the outer cylinder area are in the shape of a cylinder, and the inner cylinder area is placed concentrically inside the outer cylinder area. The lower parts of the inner cylinder area and the outer cylinder area are welded to the mixing area, and the mixing area is a cone. Body shape, the mixing zone is surrounded by the bottom plate below and the bottom side plate on the side, and the inclination angle between the cone and the horizontal direction is 1 degree; the upper end of the bottom side plate of the mixing zone is welded to the outer cylinder wall, and the The lower part of the center of the bottom plate is connected with a mud discharge pipe; the upper part of the inner cylinder area and the outer cylinder area is a three-phase separation area.

The inner cylinder area is set at the center of the air-flow mechanical double-boosting internal circulation high-suspended solids anaerobic digestion device, and the inner cylinder area is provided with a spiral propulsion impeller and a mechanical stirring impeller from bottom to top, and the spiral propulsion flow The paddle and the mechanical stirring paddle are connected and driven by a motor set at the top center of the straight air collecting cap through the paddle shaft; the inner cylinder area is separated from the outer cylinder area by a steel plate, which forms the inner cylinder wall, and the inner cylinder wall is formed by the inner cylinder The upper bracket and the lower bracket of the inner cylinder are welded on the wall of the outer cylinder, and the upper bracket of the inner cylinder and the lower bracket of the inner cylinder are perpendicular to the inner cylinder and arranged four horizontally in four directions;

The three-phase separation zone is cylindrical at the top and inverted truncated cone at the bottom. The three-phase separation zone includes a conical deflector, an inverted conical reflector, the outer wall of the straight-tube mud-water separation zone, a diversion groove, and a straight-tube gas collector. The cap and the straight cylinder mud-water separation zone; the outer wall of the straight cylinder mud-water separation zone at the upper part is connected with the lower inverted conical reflective plate, and forms the external shape of the three-phase separation zone, and the lower end of the inverted conical reflective plate is welded to the outer cylinder wall Connection, the upper end of the inverted conical reflector is welded to the outer wall of the straight mud-water separation zone, and the inclination of the inverted conical reflector is 45 degrees along the vertical direction to the central axis.

The straight gas collecting cap is in the shape of a round straight cap and is located at the upper center of the three-phase separation zone. The straight gas collecting cap is surrounded by the outer wall of the straight gas collecting cap and the top plate of the straight gas collecting cap. The gas collecting cap is fixed by a straight gas collecting cap bracket with one end fixed on the outer wall of the straight gas collecting cap and the other end welded and installed on the outer wall of the straight tube mud-water separation area. The straight gas collecting cap brackets are arranged in four horizontal directions along the circumference. Roots, and are all perpendicular to the outer wall of the straight gas collecting cap, the upper side of the straight gas collecting cap has a hole, and is connected with a biogas collection pipe.

The upper end of the conical deflector is welded to the lower end of the straight gas collecting cap along the circumferential direction, and is set at an angle of 135 degrees to the outer wall of the straight gas collecting cap, and the lower end of the conical deflector is welded to the conical deflector On the plate support, the conical deflector support is welded to the inverted conical reflector at an angle of 45 degrees along the horizontal direction, and a total of four are arranged along the four horizontal directions of the circumference.

The guide groove is the gap between the conical guide plate and the inverted conical reflector.

The straight-tube mud-water separation zone is the area surrounded by the outer wall of the straight-tube air collecting cap, the conical deflector, the inverted conical reflector, and the outer wall of the straight-tube mud-water separation zone. An overflow tank is arranged toward the center; the overflow tank is connected to the water outlet pipe.

A sampling and testing port is also provided on the wall of the outer cylinder.

The lower side of the outer cylinder wall is provided with a feed pipe and a valve; the outlet of the feed pipe is arranged at the center of the bottom of the inner cylinder area, and a water distribution device is provided.

Preferably, the mechanical stirring paddle is plate and frame type.

Preferably, all components of the device are made of stainless steel plates.

Preferably, the sampling and detection ports are welded to the outer cylinder wall, and four sampling and detection ports are arranged vertically and evenly along the outer cylinder wall from top to bottom.

Preferably, the water distribution device adopts a large resistance water distribution system.

Compared with the prior art, the utility model has the following significant advantages:

The utility model is used for treating waste water containing high suspended solids, excess sludge, livestock and poultry manure, kitchen waste or domestic waste, etc., and its application object is highly targeted, and two reaction cylinder areas, inside and outside, are provided inside the device, and inside and outside The barrel provides an airflow mechanical double booster device, forming the double booster effect of airflow and mechanical agitation, making the suspended solids in the treatment object and activated sludge contact efficiently and fully, strengthening the mixing effect of mud and water in the device, and improving the Anaerobic sludge internal circulation and return efficiency; at the same time, the three-phase separation device installed in this device improves the three-phase separation effect of solid, liquid and gas, reduces the loss of activated sludge, and increases the concentration of activated sludge in the device. The sludge age of activated sludge is extended, and finally it can efficiently treat wastewater containing high suspended solids, livestock and poultry manure, kitchen waste, residual sludge or domestic waste, etc., and effectively collect biogas.

The application of the device of the utility model can improve the anaerobic digestion efficiency of wastewater containing high suspended solids, excess sludge, livestock and poultry manure, kitchen garbage or domestic garbage, reduce the loss of highly active anaerobic sludge, and realize the recovery of organic waste. The utilization of resources reduces the discharge of solid waste, and at the same time achieves the goals of energy saving and emission reduction, reducing working hours, and improving work efficiency, and realizes the resource utilization of organic waste. Its social, environmental and economic benefits are remarkable.

Description of drawings

Figure 1 is a schematic diagram of the structure of a traditional compressed biogas stirred anaerobic digester

Figure 2 is a schematic diagram of the structure of a traditional mechanically stirred anaerobic digestion tank

Fig. 3 is the front view of the utility model high suspended solids anaerobic digestion device

Fig. 4 is a top view of the utility model high suspended solids anaerobic digestion device

Figure 5 is a schematic diagram of the operation of the utility model high suspended solids anaerobic digestion device

Detailed ways

The specific embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

Figure 1 is a schematic structural diagram of a traditional compressed biogas agitated anaerobic digester, and Figure 2 is a schematic structural diagram of a traditional mechanically agitated anaerobic digester.

Referring to Fig. 3 to Fig. 5, each component label in the figure is:

Feed pipe 1, outer cylinder area 2, inner cylinder area 3, screw propulsion paddle 4, mechanical stirring paddle 5, paddle shaft 6, inner cylinder wall 7, conical deflector bracket 8, conical deflector 9, Inverted cone reflector 10, outer wall 11 of straight cylinder mud-water separation area, overflow tank 12, straight cylinder gas collection cap support 13, straight cylinder gas collection cap outer wall 14, straight cylinder gas collection cap outer top plate 15, motor 16, biogas collection pipe 17, Straight gas collecting cap 18, water outlet pipe 19, straight mud-water separation area 20, diversion groove 21, inner cylinder upper bracket 22, inner cylinder lower bracket 23, outer cylinder wall 24, mud discharge pipe 25, mixing area 26, sampling and testing port 27. Three-phase separation area 28, bottom plate 29, bottom side plate 30, raw material pipeline 31, anaerobic digestion tank effluent return pipeline 32, blending tank 33, lift pump 34, heat exchanger 35, feed pipeline 36, air flow mechanical double Boost internal circulation high suspended solids anaerobic digestion device 37 , biogas collection pipeline 38 , biogas collection device 39 , sludge pipeline 40 , anaerobic digestion tank outlet pipeline 41 .

It can be seen from Figure 3 and Figure 4 that

The utility model is a highly suspended solid anaerobic digestion device, which comprises a feed pipeline 1, an inner cylinder area 3, an outer cylinder area 2, a mixing area 26, a three-phase separation area 28, a straight cylinder mud-water separation area 20, and a straight cylinder gas collecting cap 18. Biogas collection pipeline 17, water outlet pipeline 19, sludge discharge pipeline 25, sampling and testing port 27.

The inner cylinder area 3 and the outer cylinder area 2 are in the shape of a cylinder, and the inner cylinder area 3 is concentrically placed inside the outer cylinder area 2, and the lower parts of the inner cylinder area 3 and the outer cylinder area 2 are welded to the mixing area 26 , the mixing zone 26 is in the shape of a cone, and the mixing zone 26 is surrounded by the bottom plate 29 below and the bottom side plate 30 of the side, and the inclination angle between the cone and the horizontal direction is 15 degrees; the bottom of the mixing zone 26 The upper end of the side plate 30 is welded to the outer cylinder wall 24 , and the central lower part of the bottom plate 29 is connected with a mud discharge pipe 25 ; the upper part of the inner cylinder area 3 and the outer cylinder area 2 is a three-phase separation area 28 .

The inner cylinder area 3 is set at the center of the airflow mechanical double booster internal circulation type high-suspended solids anaerobic digestion device, and the inner cylinder area 3 is provided with a propeller impeller 4 and a mechanical stirring impeller 5 from bottom to top. The propeller propeller 4 and the mechanical stirring paddle 5 are connected and driven by the motor 16 arranged at the top center of the straight gas collecting cap 18 through the paddle shaft 6; the inner cylinder area 3 is separated from the outer cylinder area 2 by a steel plate, and the steel plate Form the inner cylinder wall 7, and the inner cylinder wall 7 is welded on the outer cylinder wall 24 by the upper bracket 22 of the inner cylinder and the lower bracket 23 of the inner cylinder, wherein the upper bracket 22 of the inner cylinder and the lower bracket 23 of the inner cylinder are all perpendicular to the inner cylinder and horizontally Arrange four in one direction;

The three-phase separation zone 28 is cylindrical at the top and inverted truncated cone at the bottom. The three-phase separation zone 28 includes a conical deflector 9, an inverted conical reflector 10, an outer wall 11 of a straight cylinder mud-water separation zone, and a flow guide. Groove 21, straight cylinder gas collecting cap 18 and straight cylinder mud-water separation zone 20; The straight cylinder mud-water separation zone outer wall 11 that is positioned at the upper part is connected with the inverted conical reflective plate 10 of the lower part, and surrounds the external shape of three-phase separation zone 28, and described inverted The lower end of the conical reflector 10 is welded to the outer cylinder wall 24, and the upper end of the inverted conical reflector 10 is welded to the outer wall 11 of the straight cylinder mud-water separation zone. The inclination of the inverted conical reflector 10 is along the direction vertical to the central axis At a 45 degree angle.

The straight gas collecting cap 18 is in the shape of a round straight cap, and is located at the upper center of the three-phase separation zone 28. The straight gas collecting cap 18 is surrounded by the straight gas collecting cap outer wall 14 and the straight gas collecting cap top plate 15. The straight tube gas collecting cap 18 is fixed by a straight tube gas collecting cap bracket 13 with one end fixed on the outer wall 14 of the straight tube gas collecting cap and the other end welded and installed on the outer wall 11 of the straight tube mud-water separation area. 13 are arranged in four horizontal directions along the circumference, and are all perpendicular to the outer wall 14 of the straight gas collecting cap.

The upper end of the conical deflector 9 is connected to the lower end of the straight gas collecting cap 18 by welding along the circumferential direction, and is set at 135 degrees with the outer wall 14 of the straight gas collecting cap, and the lower end of the conical deflector 9 is welded on the On the conical deflector bracket 8, the conical deflector bracket 8 is welded to the inverted conical reflector 10 at an angle of 45 degrees along the horizontal direction, and there are four horizontally arranged four directions along the circumference.

The guide groove 21 is a gap between the conical guide plate 9 and the inverted conical reflector 10 .

The straight cylinder mud-water separation zone 20 is the area surrounded by the straight cylinder gas-collecting cap outer wall 14, the conical deflector 9, the inverted cone reflector 10, and the straight cylinder mud-water separation zone outer wall 11. The straight cylinder mud-water separation zone outer wall 11 An overflow groove 12 is arranged at the middle and upper part along the circumferential direction to the center; the overflow groove 12 is connected to the water outlet pipe 19 .

A sampling and testing port 27 is also provided on the outer cylinder wall 24 .

The lower part of the outer cylinder wall 24 is provided with a feed pipe 1 and a valve; the outlet of the feed pipe 1 is arranged at the center of the bottom of the inner cylinder area 3 and is provided with a water distribution device.

Preferably, the mechanical stirring paddle is plate and frame type.

Preferably, all components of the device are made of stainless steel plates.

Preferably, the sampling and detection ports 27 are welded to the outer cylinder wall 24 , and four sampling and detection ports 27 are vertically and evenly arranged along the outer cylinder wall 24 from top to bottom.

Preferably, the water distribution device adopts a large resistance water distribution system. .

The operating principle of the utility model device is as shown in Figure 5:

After the raw material to be processed in the raw material pipeline 31 enters the blending pool 33 for residence and homogenization, the pump 34 pumps the raw material to be processed into the heat exchanger 35 for heating, and the heated raw material enters the air flow machine through the feed pipeline 36 The inner cylinder area 3 of the double-boosting internal circulation high-suspended solids anaerobic digestion device 37; the suspended solids in the inner cylinder area 3 react with anaerobic sludge to generate biogas; then the waste water, biogas, anaerobic sludge in the inner cylinder area 3 The mixture of oxygen and sludge is mixed and lifted by the updraft of biogas and boosted by the propeller 4 and the mechanical stirring paddle 5, and enters the three-phase separation zone 28 for separation. The biogas overflows from the three-phase separation area 28 and enters the straight cylinder gas collecting cap 18. After being discharged from the biogas collection pipe 17 on the device of the utility model, it is finally collected by the peripheral biogas collection pipe 38 and enters the biogas collection device 39 for processing and utilization. The collection pipeline 38 is connected with the biogas collection pipeline 17 on the utility model device; the mud-water mixture enters the straight cylinder mud-water separation zone 20 through the diversion tank 21 from the three-phase separation zone 28, and then the mud-water separation is carried out, and finally the water is collected by the overflow tank 12 Then discharge through the outlet pipeline 19 on the utility model device, and finally connect the anaerobic digestion tank outlet pipeline 41 of peripheral equipment to discharge, and the anaerobic digestion tank outlet pipeline 41 connects the outlet pipeline 19; The sludge enters the outer cylinder area 2 and flows back to the mixing area 26. The returned sludge flows back into the inner cylinder area 2 under the double boost force of airflow machinery to form an internal circulation for re-reaction and utilization. The excess sludge is discharged from the sludge discharge pipe 25 discharge. The discharged sludge is collected by the sludge pipeline 40 and enters the subsequent sludge treatment facility, and the sludge pipeline 40 is connected to the sludge discharge pipeline 25 .

When the concentration of suspended solids in the object to be treated is high and the fluidity is small, such as when dealing with domestic waste, anaerobic digestion can be used to treat the effluent backflow to dilute the suspended solids. The utility model device can also run as follows, and the operating principle is shown in Figure 5:

The effluent from the anaerobic digestion tank flows back through the effluent return line 32 of the anaerobic digestion tank and enters the blending pool 33, where it is mixed and homogenized with the incoming raw materials in the raw material pipeline 31. The pressurized pump enters the heat exchanger 35 for heating, and the heated raw material enters the inner cylinder area 3 of the airflow mechanical double booster internal circulation type high suspended solids anaerobic digestion device 37 through the feed pipeline 36; the inner cylinder area 3 Suspended solids react with anaerobic sludge to produce biogas. Then the mixture of wastewater, biogas and anaerobic sludge in the inner cylinder area 3 is mixed and lifted by the updraft of the biogas and the boost of the propulsion paddle 4 and the mechanical stirring paddle 5, and enters the three-phase separation area. 28 for separation. The biogas overflows from the three-phase separation area 28 and enters the straight cylinder gas collecting cap 18. After being discharged from the biogas collection pipe 17 on the device of the utility model, it is finally collected by the peripheral biogas collection pipe 38 and enters the biogas collection device 39 for processing and utilization. The collecting pipeline 38 is connected with the biogas collecting pipeline 17 on the device of the utility model. The mud-water mixture enters the straight cylinder mud-water separation area 20 through the diversion groove 21 from the three-phase separation area 28, and then the mud-water separation is carried out. Finally, the water is collected by the flow tank 12 and then discharged through the outlet pipe 19 on the device of the present invention, and finally connected to the outside. The established anaerobic digestion tank effluent pipeline 41 will be discharged, and part of the anaerobic digestion tank effluent water will be discharged or reprocessed; part of the anaerobic digestion tank effluent water will flow back through the anaerobic digestion tank effluent return line 32 and enter the deployment tank 33 for homogenization with suspended solids After staying, re-enter the follow-up treatment system; the anaerobic digestion tank outlet pipeline 41 is connected to the outlet pipeline 19 . The sludge settled in the straight cylinder mud-water separation zone 20 enters the outer cylinder zone 2 and flows back to the mixing zone 26, and the returned sludge flows back into the inner cylinder zone 2 under the double boost force of airflow machinery to form an internal circulation for re-reaction and utilization The excess sludge is discharged from the sludge discharge pipeline 25;

Claims (5)

1. a higher suspension solid anaerobic digestion device, is characterized in that it comprises that feed pipe (1), inner core district (3), urceolus district (2), mixing zone (26), three-phase separation area (28), straight tube mud-water separation district (20), straight tube gas-collecting cap (18), collecting methane pipeline (17), outlet conduit (19), spoil disposal pipeline (25), sampling detect mouthful (27);

Described inner core district (3), urceolus district (2) are cylindrical shape, and inner core district (3) are placed in the inside of urceolus district (2) with one heart, the soldered mixing zone (26) that connects, bottom of described inner core district (3), urceolus district (2), (26 is cone-shaped body shape in described mixing zone, described mixing zone (26) is surrounded by the base plate (29) of below and the bottom side plate (30) of side, and the inclination angle of its cone-shaped body and horizontal direction is (15) degree; Upper end and the wall of the outer-rotor (24) of the bottom side plate (30) of described mixing zone (26) are welded to connect, and the centre bottom of described base plate (29) is offered and is connected with spoil disposal pipeline (25); The top of described inner core district (3), urceolus district (2) is three-phase separation area (28);

Described inner core district (3) is arranged on the central position of higher suspension solid anaerobic digestion device, described inner core district (3) is provided with spiral plug-flow oar (4) and mechanical stirring oar (5) from bottom to top, and described spiral plug-flow oar (4) is connected and is driven by oar axle (6) by the motor (16) that is arranged on straight tube gas-collecting cap (18) top center with mechanical stirring oar (5); Described inner core district (3) is separated by steel plate and urceolus district (2), this steel plate forms inner tube wall (7), inner tube wall (7) by inner core upper bracket (22 and inner core lower bracket (23) to be welded in wall of the outer-rotor (24) upper, wherein inner core upper bracket (22) and inner core lower bracket (23) are all perpendicular to four of inner core horizontal four direction layouts;

Described three-phase separation area (28) is that top cylinder shape, bottom are rounding frustum, and described three-phase separation area (28) comprises conical baffle (9), back taper reflector (10), straight tube mud-water separation district outer wall (11), diversion trench (21), straight tube gas-collecting cap (18) and straight tube mud-water separation district (20); Superposed straight tube mud-water separation district's outer wall (11) is connected with the back taper reflector (10) of bottom, and surround the external shape of three-phase separation area (28), the lower end of described back taper reflector (10) and wall of the outer-rotor (24) are welded to connect, the upper end of back taper reflector (10) and straight tube mud-water separation district outer wall (11) are welded to connect, and described back taper reflector (10) obliquity is along being vertically miter angle to central axis direction;

Described straight tube gas-collecting cap (18) is circle straight tube hat, and be positioned at the central upper of described three-phase separation area (28), described straight tube gas-collecting cap (18) is surrounded by straight tube gas-collecting cap outer side wall (14) and straight tube gas-collecting cap top board (15), described straight tube gas-collecting cap (18) is fixed on straight tube gas-collecting cap outer side wall (14) by one end, the straight tube gas-collecting cap support (13) of the other end welded and installed on straight tube mud-water separation district outer wall (11) is fixing, described straight tube gas-collecting cap support (13) is arranged totally four along the horizontal four direction of circumference, and all perpendicular to straight tube gas-collecting cap outer wall (14), described straight tube gas-collecting cap top board (15) upper lateral part perforate, and setting is connected with collecting methane pipeline (17),

The lower end of the upper end edge circumferential direction of described conical baffle (9) and straight tube gas-collecting cap (18) is weldingly connected, and be 135 degree settings with straight tube gas-collecting cap outer side wall (14), it is upper that the lower end of described conical baffle (9) is welded in conical flow guiding board mount (8), and described conical flow guiding board mount (8) along continuous straight runs is miter angle and is welded in back taper reflector (10) above and arranges totally four along the horizontal four direction of circumference;

Described diversion trench (21) is the gap between conical baffle (9) and back taper reflector (10);

The region that described straight tube mud-water separation district (20) surrounds for straight tube gas-collecting cap outer side wall (14), conical baffle (9), back taper reflector (10), straight tube mud-water separation district outer wall (11), the position, middle and upper part of described straight tube mud-water separation district's outer wall (11) is provided with overflow groove (12) along circumferential center position; Described overflow groove (12) connects outlet conduit (19);

On described wall of the outer-rotor (24), be also provided with sampling and detect mouthful (27);

The side lower part of described wall of the outer-rotor (24) is provided with feed pipe (1), and is provided with valve; The outlet of described feed pipe (1) is arranged on inner core district (3) bottom centre position, and is provided with water-distributing device.

2. higher suspension solid anaerobic digestion device as claimed in claim 1, is characterized in that, mechanical stirring oar is plate and frame.

3. higher suspension solid anaerobic digestion device as claimed in claim 1, is characterized in that, each parts of described device all adopt stainless steel plate.

4. higher suspension solid anaerobic digestion device as claimed in claim 1, is characterized in that, described sampling detects mouthful (27) and is welded to connect with wall of the outer-rotor (24), and described sampling detects mouthful (27) and arranges four along wall of the outer-rotor (24) is vertically average from top to bottom.

5. higher suspension solid anaerobic digestion device as claimed in claim 1, is characterized in that, described water-distributing device adopts large resistance water distribution system.

Images