WO2015027872A1

WO2015027872A1 - Steam ejection type organic garbage disposal system

Info

Publication number: WO2015027872A1
Application number: PCT/CN2014/085025
Authority: WO
Inventors: 高卫华
Original assignee: 天紫环保投资控股有限公司
Priority date: 2013-08-27
Filing date: 2014-08-22
Publication date: 2015-03-05
Also published as: CN105921485A; CN105964651A; CN103418600A; CN105964650A; CN105964374A; CN105964649A

Abstract

Disclosed is a steam ejection type organic garbage disposal system, which comprises a system framework (2), a pressure maintaining ejection device (5), a screw cap controller (4) for the pressure maintaining ejection device, a liftable feed funnel (3), a loading lifting device (8), a discharge guiding cylinder (6) and a steam-solid separator (7), wherein the pressure maintaining ejection device (5), the screw cap controller (4) for the pressure maintaining ejection device and the liftable feed funnel (3) are installed in the system framework (2) in sequence from bottom to top; the loading lifting device (8) is installed at one side of the system framework (2); the discharge guiding cylinder (6) is installed at the lower part of the pressure maintaining ejection device (5); and the discharge guiding cylinder (6) is connected to the steam-solid separator (7). The system has a scientific and reliable design, is suitable for instantaneous ejection, has high-pressure resistance, high strength and convenient loading, and has uniform and ordered discharge and a more stable ejection slide during steam ejection.

Description

Steam ejection organic waste treatment system

The invention belongs to the field of garbage disposal, and in particular to a steam ejection organic waste treatment system.

Background technique

Existing waste treatment methods mainly include sanitary landfill, composting fermentation and incineration power generation. There are certain problems with these three types of waste disposal methods. For example: secondary pollution and long processing cycles. Among them, sanitary landfills occupy a large amount of land, causing serious odors, polluting the air, leachate contaminating soil and groundwater resources, breeding bacterial viruses, and the overall decomposition time is up to 100 years. The compost fermenting contaminates the air and produces a high concentration of leachate with a composting cycle of 30-45 days. The front end of the incineration power generation treatment has odor pollution, and the incineration stage produces highly toxic dioxin. The incineration residue contains a large amount of heavy metals, and the generated particles affect the air quality. The treatment cycle is usually 3-5 days. The steam blasting technology has been proposed at the beginning of the twentieth century. The present application proposes a steam blasting technology applied in the field of garbage disposal, which can carry out the harmless treatment in an instant, but since the high pressure steam accompanying material is released in the instantaneous ejection and To achieve fast loading and uniform and orderly discharge, existing equipment cannot be satisfied.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art and provide a steam ejection organic waste treatment system, which is scientific and reliable in design, adapts to instantaneous ejection, is resistant to high pressure, has high strength, is convenient for feeding, and is discharged during steam ejection. Uniform and orderly, the ejection slides more smoothly.

The technical problem solved by the present invention is achieved by the following technical solutions:

The utility model relates to a steam ejection type organic garbage disposal system, which comprises a system frame, a pressure-proof ejection device, a pressure-proof ejection device screw cap controller, a lifting and feeding feeding funnel, a feeding lifting device, a discharging guiding cylinder, a steam-solid separator, In the system frame, the pressure-proof ejection device, the pressure-proof ejection device screw cap controller, the lifting and feeding funnel are installed in order from the bottom to the top, and the feeding lifting device is installed on one side of the system frame, and the discharging guiding cylinder is installed in the lower part of the pressure-proof ejection device. The discharge guide cylinder is connected to the steam-solid separator.

Moreover, the two ends of the discharge guiding cylinder are respectively connected to the steam-solid separator.

Moreover, the pressure-preserving ejection device comprises a steam-holding steel cylinder, an ejection steel cage, a feeding screw cap and an ejection-inducing cylinder, and the ejection steel cage is slidably installed in the steam-holding steel cylinder, and the steam-holding steel cylinder is provided with Steam inlet, the upper end of the ejection steel cage has a feed inlet, and the lower end of the ejection steel cage The piston rod is fixed with the ejection-inducing cylinder, and the feed screw cap is mounted on the inlet of the ejection steel cage.

Moreover, the ejection causes the outer wall of the cylinder to be mounted with a limit protection spring.

Moreover, the ejection steel cage includes an upper sliding plate, a lower sliding plate and a supporting column, and a feeding port is formed on the upper sliding plate, and the feeding screw cap is matched with the feeding port, and the upper edge of the inner wall of the feeding port is The material has a material limiting tooth, and a material inlet sealing inclined wall is formed on the inner wall of the feeding opening below the material limiting tooth, and a screwing locking tooth is formed on the feeding screw cover corresponding to the material limiting tooth. A screw cap sealing inclined wall is formed on the feeding screw cap corresponding to the inclined wall of the material port sealing, and a supporting column is uniformly fixed between the upper sliding plate and the lower sliding plate at the periphery of the feeding port, and the bottom of the lower sliding plate is ejected The piston rod of the cylinder is fixed.

Moreover, the upper portion of the feed screw cap is formed with a circular groove, and a lifting tooth is formed on the inner wall of the circular groove, and a rotary handle is fixed on the circumference of the feed screw cap, and the outer end of the rotary handle end is There are spinning teeth.

Moreover, the lower part of the support column is symmetrically fixed with two discharge guide plates, the two discharge guide plates are curved, and the two discharge guide plates form a steel cage discharge port on the same side, and the steel cage is discharged. The mouth matches the discharge guide cylinder.

Moreover, a sliding guiding ring is arranged in the middle of the supporting column, and a sealing rubber ring is fixed on the outer wall of the upper sliding plate, and a sealing rubber ring is fixed on the outer wall of the lower sliding plate.

Moreover, the lower sliding disk comprises a circular tray and a lower supporting disk from top to bottom, and the lower outer circumference of the lower supporting disk is formed with a limited oblique side, on the outer circumference of the lower supporting plate above the limiting oblique side The lower sealing rubber ring is fixed.

Moreover, the pressure-preserving ejection device capping controller comprises a moving frame, a rail, a horizontal cylinder, a capping vertical cylinder, a tray, a toothed disc, a pneumatic actuator and a tooth roller, and the moving frame is slidably mounted on the rail, and the horizontal cylinder is fixed. Mounted on the rail, the piston rod of the horizontal cylinder is fixed with the moving frame, and the vertical cylinder of the screw cap is fixed on the moving frame through the tray, and the piston rod of the vertical cylinder is fixed on the piston rod and the toothed disc, corresponding to the toothed disc A pneumatic actuator is mounted on the moving frame, and the pneumatic actuator drives the toothed roller to rotate the feed screw cap.

The advantages and benefits of the present invention are:

1. The steam ejection organic waste treatment system, the system comprises a system frame, a pressure-proof ejection device, a pressure-proof ejection device screw cap controller, a lifting and feeding funnel, a feeding lifting device, a discharging guiding cylinder, a steam-solid separator Install the pressure-proof ejection device, the pressure-proof ejection device screw cap controller, the lifting and feeding funnel from the bottom to the top of the system frame, install the feeding lifting device on one side of the system frame, and install the discharging guide tube in the lower part of the pressure-proof ejection device. The discharge guiding cylinder is connected to the steam-solid separator, and the feeding port of the invention is formed at the center of the upper sliding plate The support column is arranged around the inlet, which is convenient for feeding and stable support. It is more reliable and safer than the support column is arranged at the lower part of the center of the upper sliding plate, and the feeding speed is also faster. In the case of steam ejection, the projectile is shot. The cage is arranged to slide in the steam-holding steel cylinder. When the steam pressure in the steam-holding steel cylinder is 2.5 MPa and above, the support column arrangement can offset the pressure received by the upper sliding plate and the lower sliding plate. At the moment when the lower sliding disc leaves the steam-holding steel cylinder, the steam pressure is unbalanced, and the high-pressure steam ejects the material in the ejecting steel cylinder instantaneously, which can be calculated in milliseconds instantaneously, and the design of the supporting column can make the material in the instantaneous high-pressure steam state. In the normal pressure, the high-temperature steam and the biomass cells that have been infiltrated into the biomass cells are rapidly expanded by the vaporization of the high-temperature liquid water, and the organic waste can be broken up to form a slurry.

2. The ejection of the invention causes the outer wall of the cylinder to be mounted with a limit protection spring. At the same time as the lower end of the piston in the cylinder cylinder is ejected, the upper end of the piston is rapidly ventilated, so that the piston rod drives the lower sliding plate out of the steam-holding steel cylinder, and ejects. The steel cage moves down quickly until it comes into contact with the limit protection spring, and the limit protection spring exerts an elastic force to stop the ejection steel cage safely and reliably.

3. The upper part of the feeding screw cap of the invention has a circular groove, and a lifting tooth is formed on the inner wall of the circular groove, and a rotary handle is fixed on the circumference of the feeding screw cover, and the outer end of the rotating handle end is made The utility model has a rotating tooth, the structure can ensure that the screw cap and the feeding port are tightly matched and sealed, and the rotary tooth on the rotary handle of the rotating tooth roller driving the feeding screw cap is controlled by the pneumatic actuator to make the feeding screw The cover rotates, and the mouth limit tooth and the screw cap lock tooth are effectively matched with the lock seal, and the tooth roll is a toothed round roll.

4. The lower part of the support column of the invention is symmetrically fixed with two discharge guide plates, the two discharge guide plates are curved, and the two discharge guide plates form a steel cage discharge port on the same side, in the steam ejection Instantly, the material will be sprayed out evenly along the outlet of the steel cage for easy cleaning.

5. The sliding guide ring is arranged in the middle of the support column of the invention, and the overall structure of the ejection steel cage is effectively protected during high pressure steam ejection, which is more stable, safe and reliable in instantaneous sliding.

6. The outer wall of the upper sliding plate of the invention is fixed with a sealing rubber ring, and the outer wall of the lower sliding plate is fixed with a sealing rubber ring to ensure the sealing property of the sliding ejection, and the elastic state is instantaneously entered into the ejection state.

7. The lower sliding disk of the present invention comprises a circular tray and a lower support plate from top to bottom, and a lower limit beveled edge is formed on the lower outer circumference of the lower support plate, and is fixed on the outer circumference of the lower support plate above the limit oblique side. The lower sealing rubber ring, the design limit oblique side can ensure that it is directly pushed into the steam-holding steel cylinder during the return of the ejection ejected steel cage to improve the return efficiency.

8. The pressure-proof ejection device capping controller of the present invention comprises a moving frame, a rail, a horizontal cylinder, a cap vertical cylinder, a tray, a toothed disc, a pneumatic actuator and a tooth roller, and the moving frame is slidably mounted on the rail, and the horizontal cylinder is fixed. Mounted on the track, the piston rod of the horizontal cylinder Fixing with the moving frame, the vertical cylinder of the screw cap is fixed on the moving frame through the tray, the piston rod of the vertical cylinder is fixed on the piston rod and the toothed disc, and the pneumatic actuator is mounted on the moving frame corresponding to the toothed disc, the pneumatic execution The rotation of the driven roller can be instantaneously removed to increase the feeding speed, and can also be quickly locked to improve the efficiency of garbage disposal.

9. The invention has simple structure, is suitable for instantaneous ejection, high pressure resistance, high strength, convenient feeding, and uniform and orderly discharging during steam ejection, and the ejection sliding is more stable.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention (the lifting device is omitted);

Figure 2 is a right side view of Figure 1;

Figure 3 is a schematic structural view of the present invention (partial cross-sectional view);

Figure 4 is a right side view of Figure 3 (feeding state, omitting the steam-solid separator);

Figure 5 is a schematic view showing the connection between the pressure-holding ejection device of the present invention and the capping controller of the pressure-holding ejection device (the feeding screw cap is on the feeding port);

Figure 6 is a schematic view showing the connection between the pressure-holding ejection device of the present invention and the capping controller of the pressure-holding ejection device (the feeding screw cap is on the capping controller of the pressure-holding ejection device);

Figure 7 is a schematic view showing the connection between the pressure-holding ejection device of the present invention and the capping controller of the pressure-holding ejection device (the state in which the lower sliding plate is separated from the steam-holding steel cylinder);

Figure 8 is a schematic view showing the structure of the ejection steel cage of the present invention;

Figure 9 is a right side view of Figure 8;

Figure 10 is an enlarged cross-sectional view taken along line A-A of Figure 8;

Figure 11 is a schematic structural view of a feed screw cap of the present invention;

Figure 12 is a cross-sectional view taken along line B-B of Figure 11;

Figure 13 is a schematic structural view of a capping controller of a pressure-holding ejection device of the present invention; Figure 14 is a left side view of Figure 13;

Figure 15 is a plan view (partial cross-sectional view) of Figure 13;

Figure 16 is a schematic view showing the structure of the liftable feeding funnel of the present invention;

Figure 17 is a left side view (partial cross-sectional view) of Figure 16.

Specific form

The present invention will be described in detail below by way of specific examples. The following examples are merely illustrative and not limiting, and the scope of the invention is not limited thereto.

A steam ejection type organic waste treatment system, the system comprising the system frame 2, the pressure holding ejection device 5, the pressure holding ejection device screw cap controller 4, the lifting and feeding feeding funnel 3, the feeding lifting device 8, the discharging guiding cylinder 6 , steam-solid separator 7, in the system frame from bottom to top, install pressure-holding ejection device, pressure-proof ejection device capping controller, lifting and feeding leakage The bucket is installed with a feeding lifting device on one side of the system frame, and a discharging guiding cylinder is arranged at a lower portion of the pressure-preserving ejection device. The discharging guiding cylinder is connected with the steam-solid separator, and the two ends of the discharging guiding cylinder are respectively connected to the steam-solid separation. The steam-solid separator comprises an impact-resistant receiving bin, a steam collecting pipe and a material collecting funnel. The steam collecting pipe is fixed on the impact-receiving receiving bin, and the material collecting funnel is fixed under the impact-resistant silo, and the impact-receiving is received. The side of the silo communicates with the discharge guiding cylinder, and the pressure-preserving ejection device comprises a steam-holding steel cylinder 27, an ejection steel cage, a feeding screw cap 14 and an ejection-inducing cylinder 32, and the ejection steel cage is slidably installed in the steam-holding steel cylinder, steam A steam inlet 25 is formed on the pressure-maintaining steel cylinder, and a feeding port 35 is formed at the upper end of the projectile steel cage, and a piston rod of the lower end of the ejection steel cage and the ejection-inducing cylinder is fixed, and the feeding screw cap is installed on the feeding port of the ejection steel cage. The ejection induced cylinder outer wall is mounted with a limit protection spring 33, and the ejection initiation cylinder may be disposed in the discharge guide cylinder or through the discharge guide cylinder, and the ejection initiation cylinder shown in the drawing of the present invention Through the discharge guiding cylinder, the ejection steel cage comprises an upper sliding plate 20, a lower sliding plate and a supporting column 23, and a feeding port is formed on the upper sliding plate, and the feeding screw cap is matched with the feeding port, the inner wall of the feeding port The upper edge is uniformly provided with a material limiting tooth 19, and a material inlet sealing inclined wall 34 is formed on the inner wall of the feeding opening below the material limiting tooth, and the feeding screw cap corresponding to the material limiting tooth has a rotation a cover locking tooth 37, a screw cap sealing inclined wall 41 is formed on the feeding screw cover corresponding to the oblique sealing wall of the material port, and a thread phase corresponding to the position of the screw cap is formed on the lower side of the inclined wall of the material port sealing Cooperating with the locking seal, the support column is uniformly fixed between the upper sliding plate and the lower sliding plate at the periphery of the feeding port, and the bottom of the lower sliding plate is fixed with the piston rod of the ejection-inducing cylinder, and the upper part of the feeding screw cap is rounded. a groove 39 is formed on the inner wall of the circular groove, and a screwing handle 18 is fixed on the circumference of the feeding screw cap. The outer wall of the rotating handle end is provided with a rotating tooth 40, and the lower part of the supporting column Two discharge guide plates 26 are symmetrically fixed, the two discharge guide plates are curved, and the two discharge guide plates are on the same side A steel cage discharge port 36 is formed at both ends, the steel cage discharge port is matched with the discharge guide cylinder, a sliding guide ring 24 is arranged in the middle of the support column, and the upper outer wall of the upper sliding plate is fixed with a sealing rubber ring 21, and the outer wall of the lower sliding plate is fixed. The sealing rubber ring 30 is installed, and the lower sliding plate comprises a circular tray 28 and a lower supporting plate 29 from top to bottom, and the lower outer circumference of the lower supporting disk is formed with a limited oblique side 31, which is below the limiting oblique side A lower sealing rubber ring is fixed on the outer circumference of the supporting plate, and the pressure-proof ejection device capping controller comprises a moving frame 11, a rail 22, a horizontal cylinder 9, a vertical cap cylinder 10, a tray 12, a toothed disc 13, a pneumatic actuator 15 And the tooth roller 17, the moving frame is slidably mounted on the rail, the horizontal cylinder is fixed on the rail, the horizontal cylinder is two and symmetrically mounted on the rail, the piston rod of the horizontal cylinder is fixed with the moving frame, and the vertical cylinder is fixed by the tray Mounted on the moving frame, four vertical cylinders are fixed on the tray, the piston rod of the vertical cylinder is fixed on the toothed disc, and the pneumatic actuator is mounted on the beam 16 of the moving frame corresponding to the toothed disc. gas Actuator drive tooth The roller rotates to control the feeding screw cap, and the loading lifting device comprises a lifting frame, a hoisting machine 1 and a slideway, and the sliding channel is vertically installed on one side of the system frame, and the hoisting machine is fixed on the upper end of the frame on the same side of the sliding channel, and the hoisting machine is connected by wire rope lifting The rack is slidably mounted on the slide by a roller, and the trash can is mounted on the hanging plate of the lifting frame. The hanging plate is vertically fixed on the lifting frame, and the vertical vertical cylinder for lifting the feeding funnel is fixed on the top of the system frame. 42. The feeding funnel 44 of the lifting and feeding funnel is fixed on the piston rod of the feeding vertical cylinder, the feeding funnel is an inverted quadrangular structure, and the feeding baffle 43 is vertically fixed on three consecutive sides of the four sides of the feeding funnel. The piston rod of the vertical cylinder is fixed to the inner wall of the feeding funnel, and a conveying connecting pipe 45 is fixed at the lower end of the feeding funnel.

When the use of the invention requires the feeding, the loading and unloading device lifts the trash can to the feeding funnel position, and the feeding vertical funnel controls the feeding funnel to descend, so that the conveying connecting pipe is docked with the feeding port of the pressure-proof ejection device, and the lifting machine lifts the garbage bin. When the material is turned up, the hoist is raised to the position of the gap formed by the three baffles for rapid dumping. When the dumping is completed, the hoist is lowered, and the vertical cylinder is fed to lift the feeding funnel away from the feeding port. At this time, the pressure-proof ejection device is screwed on the controller. The moving frame is moved by the horizontal cylinder drive with the feed screw cap to the top of the feed port, and the feed screw cap is placed on the feed port of the projectile steel cylinder by the screw cap vertical cylinder action, which is the pneumatic actuator driving the tooth roller rotation The rotating tooth on the meshing driving feed screw cap rotates the entire feeding screw cover, so that the material limiting tooth and the screw cap locking tooth overlap to complete the locking of the feeding screw cap and the ejection steel cage feeding port, which When steam is introduced into the steam inlet on the steam-holding steel cylinder, the pressure is controlled at 2.5 MPa or more, and the pressure is maintained at 60-120 s. After the pressure is maintained, the cylinder is induced by controlling the ejection. The lower sliding plate of the ejection steel cage is separated from the steam-holding steel cylinder, and the upper part of the sliding guiding ring is retained in the steam-holding steel cylinder, so that the slurry-like organic garbage is sequentially ejected from the discharge port in the millisecond time, at high pressure Under the action of steam, the organic waste is instantaneously ejected by high-pressure steam to form a slurry-like harmless substance. When it is ejected, it enters the steam-solid separator at both ends through the discharge-oriented cylinder mud-like harmless substance, and the high-pressure steam is collected by the steam. The tube is collected, and the mud-like harmless substance is processed into the next process through the material collecting funnel for drying, and the system returns to the initial state to prepare the charging.

The screw cap locking tooth of the outer edge of the feeding screw cap of the invention cooperates with the material limiting tooth on the feeding port, the lifting teeth in the feeding screw cap cooperate with the teeth on the toothed disc, and the lifting on the feeding screw cap When the teeth are overlapped with the teeth on the toothed disc, the vertical cylinder drive the toothed disc can raise or lower the screw cap. The horizontal cylinder can drive the moving frame to remove the screw cap, which is convenient for feeding. When the feeding is completed, the horizontal cylinder will be The moving frame is moved back, so that the feeding screw cap is directly above the feeding port, and the feeding screw cap is pressed against the feeding port by the vertical cylinder, at which time the pneumatic actuator drives the toothed roller to rotate, and the toothed roller meshes to connect the feeding screw Cover the swivel on the dial handle and drive the dial handle The feeding screw cap rotates, so that the screw locking teeth of the feeding screw cap are locked with the locking teeth on the feeding port, and the teeth of the lifting tooth and the toothed disc are staggered, and the vertical cylinder drives the toothed disc to rise.

Claims

Rights request

1. A steam ejection organic waste treatment system, characterized by: The system includes a system frame, a pressure-maintaining ejection device, a pressure-maintaining ejection device capping controller, a liftable feeding funnel, a loading lifting device, and a discharge guide tube. , steam-solid separator, a pressure-maintaining ejection device, a pressure-maintaining ejection device capping controller, and a liftable feeding funnel are installed from bottom to top in the system frame. A loading lifting device is installed on one side of the system frame, and at the lower part of the pressure-maintaining ejection device. Install the discharge guide cylinder, which is connected to the steam-solid separator.

2. The steam ejection organic waste treatment system according to claim 1, characterized in that: both ends of the discharge guide tube are connected to steam-solid separators respectively.

3. The steam ejection organic waste treatment system according to claim 1, characterized in that: the pressure maintaining ejection device includes a steam pressure maintaining steel cylinder, an ejection steel cage, a feed screw cap and an ejection initiating cylinder, the ejection steel The cage is slidably installed in the steam pressure-maintaining steel cylinder. The steam pressure-maintaining steel cylinder is equipped with a steam inlet. The upper end of the ejection steel cage is equipped with a feed port. The lower end of the ejection steel cage is fixedly mounted on the piston rod of the ejection triggering cylinder. The feed screw cap Installed on the feed port of the ejection steel cage.

4. The steam ejection organic waste treatment system according to claim 3, characterized in that: a limit protective spring is installed on the outer wall of the ejection triggering cylinder.

5. The steam ejection organic waste treatment system according to claim 3, characterized in that: the ejection steel cage includes an upper sliding plate, a lower sliding plate and a support column, and a feed port is formed on the upper sliding plate. The feed screw cap is installed to match the feed port. The feed port limit teeth are evenly distributed along the upper edge of the feed port's inner wall. The feed port sealing inclined wall is formed on the inner wall of the feed port below the feed port limit teeth. It is in line with the feed port. The feed screw cap corresponding to the limit teeth is equipped with screw cap locking teeth, and the feed screw cap corresponding to the sealing inclined wall of the feed port is equipped with a screw cap sealing inclined wall, and an upper sliding plate is installed on the periphery of the feed port. Support columns are evenly distributed between the lower sliding plate and the lower sliding plate, and the bottom of the lower sliding plate is fixed to the piston rod of the ejection trigger cylinder.

6. The steam ejection organic waste treatment system according to claim 3 or 5, characterized in that: a circular groove is formed on the upper part of the feed screw cap, and lifting teeth are formed on the inner wall of the circular groove, A rotary dial handle is fixedly installed on the circumference of the feed screw cap, and the outer wall of the end of the rotary dial handle is formed with rotary dial teeth.

7. The steam ejection organic waste treatment system according to claim 5, characterized in that: two discharging guide plates are symmetrically fixed on the lower part of the support column, the two discharging guide plates are arc-shaped, and the two discharging guide plates are symmetrically fixed. The two ends of the same side of the material guide plate form a steel cage discharge port, and the steel cage discharge port matches the discharge guide cylinder.

8. The steam ejection organic waste treatment system according to claim 5, characterized in that: a sliding guide ring is provided in the middle of the support column, an upper sealing rubber ring is fixed on the outer wall of the upper sliding plate, and a sealing rubber ring is fixed on the outer wall of the lower sliding plate. Lower sealing ring.

9. The steam ejection organic waste treatment system according to claim 5, characterized in that: the lower sliding plate includes a circular tray and a lower support plate from top to bottom, and the lower outer circumference of the lower support plate The limiting bevel is limited, and a lower sealing rubber ring is fixed on the outer circumference of the lower support plate above the limiting bevel.

10. The steam ejection organic waste treatment system according to claim 1, characterized in that: the pressure-maintaining ejection device capping controller includes a moving frame, a track, a horizontal cylinder, a capping vertical cylinder, a tray, and a toothed plate. , pneumatic actuator and gear roller, the moving frame is slidably installed on the track, the horizontal cylinder is fixed on the track, the piston rod of the horizontal cylinder is fixed on the moving frame, the capping vertical cylinder is fixed on the moving frame through a pallet, the The piston rod of the capping vertical cylinder is fixedly mounted on the toothed plate, and a pneumatic actuator is installed on the moving frame corresponding to the toothed plate. The pneumatic actuator drives the toothed roller to rotate to control the feeding and capping.