CN112915561A - Pressure relief and drying integrated spray explosion device and organic fertilizer production system applying same - Google Patents
Pressure relief and drying integrated spray explosion device and organic fertilizer production system applying same Download PDFInfo
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- CN112915561A CN112915561A CN202110273056.4A CN202110273056A CN112915561A CN 112915561 A CN112915561 A CN 112915561A CN 202110273056 A CN202110273056 A CN 202110273056A CN 112915561 A CN112915561 A CN 112915561A
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- pressure relief
- pipe
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- buffer pool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/20—Sprayers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a pressure relief and drying integrated spray explosion device and an organic fertilizer production system applying the same. The Venturi pressure relief pipe is connected with the outlet of the hydrothermal cracking tank. The Venturi pressure relief pipe comprises a throat pipe section and a divergent section, and an outlet of the divergent section is arranged in the buffer pool. The ring canal surrounds the choke section that sets up at the venturi pressure release pipe, and ring canal and choke section are provided with the orifice that can communicate each other along the hoop. The drying air device comprises a high-pressure fan and a drying air distribution opening, the drying air distribution opening is arranged at one end of the buffer pool, and an outlet close to the gradually-expanding section of the Venturi pressure relief pipe is arranged on the side face of the buffer pool. The top of the buffer pool is provided with an outlet air duct and is far away from the arrangement of the Venturi pressure relief pipe. The venturi pressure relief pipe divergent section is also provided with a cone. The invention can utilize the pressure difference and temperature difference of the water thermal cracking tank to the utmost extent to complete the drying process and reduce the energy consumption of the system.
Description
Technical Field
The invention relates to a pressure relief and drying integrated spray explosion device and an organic fertilizer production system applying the same, in particular to a feeding device for conditioning organic wastes such as livestock and poultry manure, straws, agricultural product processing residues and forestry wastes, belonging to the field of environmental protection technology and pressure containers.
Background
On one hand, with the development of rural breeding industry, rural water, gas and soil pollution caused by breeding excrement is also concerned, and harmful substances such as germs, hormones, antibiotics and the like enter soil and water bodies in an agricultural mode through livestock excrement without being effectively treated, so that the harmful substances enter a food chain while forming deep threat to the environment to form a food safety problem. In-situ incineration of straw is one of the important causes of air pollution. On the other hand, the use of a large amount of chemical fertilizers in rural areas causes soil hardening and fertility reduction, and the chemical fertilizers remain in the rural areas, which is harmful to food safety, aggravates water and soil pollution and wastes a large amount of resources. With the increasing environmental importance of the public, the organic wastes such as the livestock and poultry manure, the straw and the agricultural product processing residues in the rural areas cannot be discarded or incinerated at any time, and the cost of the incineration disposal is relatively high when the wastes are collected. The organic wastes are autoclaved and hydrolyzed and then fermented to prepare the fertilizer, which is undoubtedly an effective recycling treatment way.
High-pressure water thermal cracking is an important link in the fertilizer preparation process. In order to achieve a better hydrothermal cracking effect, the water content of the reaction material needs to be as high as 70-85%, and the obtained hydrothermal cracking product has high water content and is often a viscous slurry material.
Disclosure of Invention
One aspect of the invention aims to provide a pressure relief and drying integrated spray explosion device and an organic fertilizer production system using the same, which can utilize a venturi tube to relieve pressure of a primary dispersed water thermal cracking product, further disperse materials at an outlet through a wedge-shaped turbulence member, and simultaneously tangentially spray drying air, so that the pressurized slurry hydrothermal cracking product can be rapidly dried.
The invention is realized by the following technical scheme.
A pressure relief and drying integrated spray explosion device comprises a Venturi pressure relief pipe, an annular pipe, a buffer pool, a drying air device and a draught fan, wherein the Venturi pressure relief pipe comprises a throat pipe section and a gradually-expanding section, and an outlet of the gradually-expanding section is arranged in the buffer pool; the annular pipe is arranged around the throat pipe section of the Venturi pressure relief pipe, an air inlet is formed in the outer side of the annular pipe, and spray holes capable of being communicated with each other are formed in the annular pipe and the throat pipe section in the annular direction; the drying air device comprises a high-pressure fan and a drying air distributing opening, and the drying air distributing opening is arranged at one end of the buffer pool and used for spraying drying air; the drying air distribution opening is arranged on the side surface of the venturi pressure relief pipe close to the outlet of the gradually-expanding section; the top of the buffer pool is provided with an outlet air duct, and the induced draft fan is arranged on the outlet air duct.
Optionally, according to an embodiment of the present invention, in the foregoing technical solution, the venturi pressure relief pipe divergent section is further provided with a cone.
Optionally, according to an embodiment of the present invention, in the foregoing technical solution, 3 or 6 cones are provided and arranged in a delta shape.
Optionally, according to an embodiment of the present invention, in the foregoing technical solution, the divergent section outlet of the venturi pressure relief pipe is disposed at the top of the buffer pool, and the dry air distribution opening is disposed on a side surface of the buffer pool and is disposed close to the divergent section outlet.
Optionally, according to an embodiment of the present invention, in the foregoing technical solution, the divergent section outlet of the venturi pressure relief pipe is disposed on a side surface of the buffer pool, and the dry air distribution opening is disposed at a bottom of the buffer pool and is disposed close to the divergent section outlet.
Optionally, according to an embodiment of the present invention, in the foregoing technical solution, the outlet duct is disposed away from the venturi pressure relief pipe,
the invention also provides an organic fertilizer production system, which comprises a hydrothermal cracking tank and a pressure-releasing and drying integrated spray explosion device, wherein the pressure-releasing and drying integrated spray explosion device comprises a Venturi pressure-releasing pipe, an annular pipe, a buffer pool, a drying air device and an induced draft fan, the Venturi pressure-releasing pipe comprises a throat pipe section and a gradually expanding section, and an outlet of the gradually expanding section is arranged in the buffer pool; the venturi pressure relief pipe throat section is connected with the outlet of the hydrothermal cracking tank; the annular pipe is arranged around the throat pipe section of the Venturi pressure relief pipe, an air inlet is formed in the outer side of the annular pipe, and spray holes capable of being communicated with each other are formed in the annular pipe and the throat pipe section in the annular direction; the drying air device comprises a high-pressure fan and a drying air distributing opening, and the drying air distributing opening is arranged at one end of the buffer pool and used for spraying drying air; the drying air distribution opening is arranged on the side surface of the venturi pressure relief pipe close to the outlet of the gradually-expanding section; the top of the buffer pool is provided with an outlet air duct, the outlet air duct is far away from the venturi pressure relief pipe, and the draught fan is arranged on the outlet air duct.
The advantages and beneficial effects of the invention include: the venturi ring tube can preliminarily disperse the water thermal cracking product, further disperse the material at the outlet through the wedge-shaped turbulence piece, and simultaneously tangentially spray dry air sent into from the environment, so that the slurry-shaped hydrothermal cracking product with pressure can be quickly dried, and the energy consumption of the subsequent drying process is saved.
Drawings
Fig. 1 is a schematic view of a pressure relief and drying integrated spray explosion device and an organic fertilizer production system according to one embodiment of the invention.
Fig. 2 is a schematic view of a pressure relief and drying integrated spray explosion device and an organic fertilizer production system according to another embodiment of the invention.
Fig. 3 is a schematic view of the grommet arrangement.
In the figure: 1-a hydrothermal cracking tank; 2-a venturi pressure relief pipe; 3-ring pipe; 4-a buffer pool; 5-high pressure fan; 6-drying air distribution; 7-a draught fan; 8-cone.
Detailed Description
The following describes the embodiments and operation of the present invention with reference to the accompanying drawings.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
As shown in fig. 1 and 2, an organic fertilizer production system comprises a hydrothermal cracking tank 1 and a pressure-relief drying integrated spray explosion device. The pressure relief and drying integrated spray explosion device comprises a Venturi pressure relief pipe 2, an annular pipe 3, a buffer pool 4, a drying air device and an induced draft fan 7.
The top of the hydrothermal cracking tank 1 is provided with a feeding hole, and the bottom is provided with a discharging hole. The feed inlet can be connected with a feeding device, which comprises a feces feeding device, a straw feeding device and the like. The raw materials such as feces, straws and the like are hydrothermally cracked to form a porous slurry material with high water content at a certain temperature, and the water content of the porous slurry material needs to be reduced in a drying process, so that the materials can be mixed, dried and formed in the subsequent process. Therefore, in order to utilize the pressure difference and the temperature difference (namely the enthalpy difference between the material and the ambient air) of the hydrothermal cracking tank to the maximum extent to complete the drying process, the outlet of the hydrothermal cracking tank 1 is provided with a Venturi pressure relief pipe 2.
The Venturi pressure relief pipe 2 comprises a throat section and a divergent section, and an outlet of the divergent section is arranged in the buffer pool 4. The throat section can be connected with the discharge hole of the hydrothermal cracking tank 1 through a pipeline.
The drying air device comprises a high-pressure fan 5 and a drying air distributing opening 6, and the drying air distributing opening 6 is arranged at one end of the buffer pool 4 and used for spraying high-pressure drying air. The drying air distributing opening 6 is arranged on the side surface of the venturi pressure relief pipe and close to the gradually-expanding section outlet of the venturi pressure relief pipe, so that the drying air sprayed in through the drying air distributing opening 6 is tangentially and uniformly sprayed to the material (a hydrothermal cracking product) sprayed into the buffer pool from the venturi pressure relief pipe. Drying the air for air separation.
In one embodiment, as shown in fig. 1, the outlet of the divergent section of the venturi pressure relief pipe 2 is arranged at the top of the buffer pool 4, and the drying air distribution opening 6 is arranged at the side of the buffer pool 4 and is arranged close to the outlet of the divergent section.
In another embodiment, as shown in fig. 2, the outlet of the divergent section of the venturi pressure relief pipe 2 is arranged at the side of the buffer pool 4, and the drying air distribution opening 6 is arranged at the bottom of the buffer pool 4 and is arranged next to the outlet of the divergent section.
As shown in FIG. 3, the loop pipe 3 surrounds the throat section of the Venturi pressure relief pipe 2, and an air inlet is arranged outside the loop pipe 3 and can introduce steam or compressed air into the loop pipe 3. Meanwhile, the annular pipe and the throat pipe section are provided with 3-6 spray holes capable of communicating each other (the annular pipe and the throat pipe section) along the annular direction, so that steam or compressed air can conveniently enter a flow channel of the Venturi pressure relief pipe 2, and materials in the pipe can be loosened/puffed.
The divergent section of the Venturi pressure relief pipe 2 is also internally provided with a wedge-shaped spoiler, namely a cone 8, and 1, 3 or 6 cones are arranged. 3 or 6 cones are arranged in a delta shape. Can strengthen the uniform spreading of the materials and granulate as much as possible.
An outlet air duct is arranged at the top of the buffer pool, the outlet air duct is far away from the venturi pressure relief pipe, and the draught fan 7 is arranged on the outlet air duct. The bottom of the buffer pool far away from the Venturi pressure relief pipe is also provided with a liquid collecting hopper for collecting liquid separated out by the material.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The pressure relief and drying integrated spray explosion device is characterized by comprising a Venturi pressure relief pipe (2), an annular pipe (3), a buffer pool (4), a drying air device and a draught fan (7), wherein the Venturi pressure relief pipe (2) comprises a throat pipe section and a gradually expanding section, and an outlet of the gradually expanding section is arranged in the buffer pool (4); the circular pipe (3) is arranged around the throat pipe section of the Venturi pressure relief pipe (2), and the circular pipe and the throat pipe section are provided with spray holes capable of being communicated with each other along the circular direction; the drying air device comprises a high-pressure fan (5) and a drying air distributing opening (6), and the drying air distributing opening (6) is arranged at one end of the buffer pool (4) and used for spraying drying air; the drying air distribution opening (6) is arranged on the side surface of the venturi pressure relief pipe adjacent to the outlet of the gradually-expanding section; an outlet air duct is arranged at the top of the buffer pool, and the induced draft fan (7) is arranged on the outlet air duct.
2. The pressure relief and drying integrated spray explosion device according to claim 1, wherein the divergent section of the venturi pressure relief pipe (2) is further provided with a cone (8).
3. The pressure relief and drying integrated spray explosion device according to claim 2, wherein 3 or 6 cones (8) are arranged in a delta shape.
4. The pressure relief and drying integrated spray explosion device according to claim 1, wherein a divergent section outlet of the venturi pressure relief pipe (2) is arranged at the top of the buffer pool (4), and the drying air distribution opening (6) is arranged on the side of the buffer pool (4) and is arranged adjacent to the divergent section outlet.
5. The pressure relief and drying integrated spray explosion device according to claim 1, wherein a divergent section outlet of the venturi pressure relief pipe (2) is arranged on the side surface of the buffer pool (4), and the drying air distribution opening (6) is arranged at the bottom of the buffer pool (4) and is arranged adjacent to the divergent section outlet.
6. The pressure relief and drying integrated spray explosion device according to claim 1, wherein the outlet air duct is arranged far away from the venturi pressure relief pipe.
7. An organic fertilizer production system, which is characterized by comprising a hydrothermal cracking tank (1) and the pressure relief and drying integrated spray explosion device as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273056.4A CN112915561A (en) | 2021-03-14 | 2021-03-14 | Pressure relief and drying integrated spray explosion device and organic fertilizer production system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273056.4A CN112915561A (en) | 2021-03-14 | 2021-03-14 | Pressure relief and drying integrated spray explosion device and organic fertilizer production system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112915561A true CN112915561A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110273056.4A Pending CN112915561A (en) | 2021-03-14 | 2021-03-14 | Pressure relief and drying integrated spray explosion device and organic fertilizer production system applying same |
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| CN (1) | CN112915561A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245751A1 (en) * | 1986-05-09 | 1987-11-19 | Metallgesellschaft Ag | Method of carrying out endothermal processes |
| CN2136438Y (en) * | 1991-10-18 | 1993-06-16 | 金海� | Spray drying apparatus for slurry materials |
| US6213690B1 (en) * | 1999-03-30 | 2001-04-10 | Deere & Company | Distribution manifold for air seeder |
| CN1351851A (en) * | 2001-12-16 | 2002-06-05 | 宋振中 | Continuously producing process for general artificial tobacco leaf |
| US20090060779A1 (en) * | 2006-01-03 | 2009-03-05 | Maurice Chambe | Apparatus for the thermal treatment of organics materials and method therefor |
| US8585869B1 (en) * | 2013-02-07 | 2013-11-19 | Heartland Technology Partners Llc | Multi-stage wastewater treatment system |
| CN104028134A (en) * | 2014-05-22 | 2014-09-10 | 西安交通大学 | Novel venturi mixer |
| CN205886640U (en) * | 2016-07-21 | 2017-01-18 | 西安交通大学 | Outflow pipeline contains venturi mixer of stagger arrangement tube bank |
-
2021
- 2021-03-14 CN CN202110273056.4A patent/CN112915561A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245751A1 (en) * | 1986-05-09 | 1987-11-19 | Metallgesellschaft Ag | Method of carrying out endothermal processes |
| CN2136438Y (en) * | 1991-10-18 | 1993-06-16 | 金海� | Spray drying apparatus for slurry materials |
| US6213690B1 (en) * | 1999-03-30 | 2001-04-10 | Deere & Company | Distribution manifold for air seeder |
| CN1351851A (en) * | 2001-12-16 | 2002-06-05 | 宋振中 | Continuously producing process for general artificial tobacco leaf |
| US20090060779A1 (en) * | 2006-01-03 | 2009-03-05 | Maurice Chambe | Apparatus for the thermal treatment of organics materials and method therefor |
| US8585869B1 (en) * | 2013-02-07 | 2013-11-19 | Heartland Technology Partners Llc | Multi-stage wastewater treatment system |
| CN104028134A (en) * | 2014-05-22 | 2014-09-10 | 西安交通大学 | Novel venturi mixer |
| CN205886640U (en) * | 2016-07-21 | 2017-01-18 | 西安交通大学 | Outflow pipeline contains venturi mixer of stagger arrangement tube bank |
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Application publication date: 20210608 |