CN214361071U

CN214361071U - Fertilizer fermentation vat exhaust system

Info

Publication number: CN214361071U
Application number: CN202023153807.9U
Authority: CN
Inventors: 陈靳曦; 张冬霞; 李志彪; 李梦辉; 王芳
Original assignee: Ningbo Aikesen Environmental Technology Co ltd
Current assignee: Ningbo Aikesen Environmental Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-08
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a fertilizer fermentation vat exhaust system, including bronchus, gas vent, blast pipe and fan, install the air door device between bronchus and the blast pipe, this air door device includes the cylinder, claps board, air door seat and air door air flue, the cylinder vertical fixation in the fixed clappers of upper wall and its piston rod end of blast pipe, air door seat set up on the lower wall of blast pipe and be in under the clappers, air door air flue level sets up the below at this air door seat, fan air intake and blast pipe intercommunication, air outlet and cyclone intercommunication install activated carbon box in this cyclone's top. This technical scheme pipeline leakproofness is good, and exhaust purification is effectual, can effectively improve the active carbon life in the active carbon case, and then reduce the purification cost.

Description

Fertilizer fermentation vat exhaust system

Technical Field

The utility model belongs to the exhaust purification field especially relates to a fertilizer fermentation vat exhaust system.

Background

The existing organic fertilizer production process mainly mixes solid organic waste with auxiliary materials and microbial fermentation inoculants uniformly, fully decomposes the solid organic waste through tank-type aerobic continuous fermentation, deodorizes, sterilizes and dehydrates the solid organic waste to produce the organic fertilizer, but the materials in a fermentation tank are contacted with air through natural ventilation and continuous overturning and pushing, and are continuously aerobically fermented with oxygen, and a large amount of waste gas is released in the process.

The prior patent "201621200998.0" granted by the national intellectual property office is named as: "an exhaust system in fertilizer fermentation vat". The exhaust system comprises a transverse exhaust main pipeline paved on the groove-shaped fermentation tanks, wherein the transverse exhaust main pipeline is provided with a joint with a branch exhaust pipeline corresponding to each groove-shaped fermentation tank, the longitudinal branch pipelines are uniformly provided with air suction and exhaust ports, the exhaust end of the transverse exhaust main pipeline is connected with the inlet of an activated carbon box through a pipeline, the activated carbon box is at least arranged on an upper layer and a lower layer, each layer is provided with a drawer for placing activated carbon, and the outlet of the activated carbon box is butted with a fan on the second layer. 1. In the system, waste gas is directly purified by the activated carbon box, so that the service life of activated carbon in the activated carbon box is short, the activated carbon in the activated carbon box needs to be frequently replaced, and the purification cost is increased; 2. the air door that this system adopted is mostly the venetian blind formula, and its structure is complicated, and is sealed not tight.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust system for purifying produced waste gas of fertilizer fermentation vat, this system leakproofness is reliable, and can effectively improve the active carbon life in the active carbon case, avoids frequently changing, reduces the purification cost.

The utility model has the task of accomplishing like this, including setting up the branch trachea (7) on each fermentation vat (9), setting up gas vent (10), blast pipe (6) and fan (5) on this branch trachea (7), its characterized in that, install air door gear (8) between each branch trachea (7) and blast pipe (6), this air door gear (8) include cylinder (81), clapper (82), air door seat (83) and air door air flue (84), cylinder (81) vertical fixation is in the upper wall of blast pipe (6) and its piston rod end fixed clapper (82), air door seat (83) set up on the lower wall of blast pipe (6) and be in under clapper (82), air door air flue (84) level sets up the below this air door seat (83), fan (5) air intake and blast pipe (6) intercommunication, the air outlet is communicated with the cyclone separator (1), and an activated carbon box (3) is arranged above the cyclone separator (1). And a rubber sealing ring is arranged on the air door seat (83). The activated carbon box (3) is characterized by comprising a filter screen layer (32) at the lowest layer and at least 1 activated carbon layer (33) arranged above the filter screen layer (32), wherein the filter screen layer (32) is provided with a left filter screen drawer and a right filter screen drawer (34), a first filter screen (341), a second filter screen (342) and a third filter screen (343) are sequentially arranged in the filter screen drawers (34) from bottom to top, the first filter screen (341), the second filter screen (342) and the third filter screen (343) are integrally in zigzag fluctuation and have 90-degree staggered fluctuation directions, the activated carbon layer (33) is provided with a left activated carbon drawer and a right activated carbon drawer (35), a layer of zigzag fluctuated lining net (351) is arranged at the bottom of the activated carbon drawer (35), and activated carbon (352) is arranged above the lining net (351). The activated carbon (352) is honeycomb activated carbon.

The utility model discloses has following effect: the air door device adopted by the technical scheme has a simple structure and better sealing performance than a shutter type. And this system adopts cyclone and active carbon case to realize the function of purification waste gas jointly for waste gas purification effect is better, reduce the filter pressure of active carbon. This technical scheme pipeline leakproofness is good, and exhaust purification is effectual, can effectively improve the active carbon life in the active carbon case, and then reduce the purification cost.

Drawings

FIG. 1 is a general schematic of the present invention; FIG. 2 is a top view of the exhaust pipe; FIG. 3 is a schematic view of a damper configuration; FIG. 4 is a schematic view of the internal structure of the activated carbon tank; FIG. 5 is a schematic view of a filter drawer; fig. 6 is a schematic view of an activated carbon drawer structure.

Description of the drawings: 1. a cyclone separator; 11. an air outlet; 12. a feeding port; 2. a support; 3. an activated carbon box; 31. an inlet; 32. a filter screen layer; 33. an activated carbon layer; 34. a filter screen drawer; 341. a first filter screen; 342. a second filter screen; 343. a third filter screen; 35. an activated carbon drawer; 351. lining a net; 352. activated carbon; 36. an outlet; 37. a handle; 4. a box body bracket; 5. a fan; 6. an exhaust pipe; 7. a branch air pipe; 8. a damper device; 81. a cylinder; 82. clapping the board; 83. a damper seat; 84. an air door air passage; 9. a fermentation tank; 10. and (7) an exhaust port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-6, an organic fertilizer fermentation tank exhaust system includes a branch gas pipe 7 disposed on each fermentation tank 9, an exhaust port 10 disposed on the branch gas pipe 7, an exhaust pipe 6, and a fan 5, and is characterized in that an air door device 8 is disposed between each branch gas pipe 7 and the exhaust pipe 6, the air door device 8 includes an air cylinder 81, a flap plate 82, an air door seat 83, and an air door air passage 84, the air cylinder 81 is vertically fixed on the upper wall of the exhaust pipe 6, the flap plate 82 is fixed at the end of the piston rod of the air cylinder, the air door seat 83 is disposed on the lower wall of the exhaust pipe 6 and is located right below the flap plate 82, the air door air passage 84 is horizontally disposed below the air door seat 83, the air inlet of the fan 5 is communicated with the exhaust pipe 6, the air outlet is communicated with a cyclone separator 1, and an activated carbon box 3 is disposed above the cyclone separator 1. The air door seat 83 is provided with a rubber sealing ring, so that the sealing effect is better.

The activated carbon box 3 is fixed above the cyclone separator 1 through the box body bracket 4, and an inlet 31 of the activated carbon box 3 is communicated with an air outlet 11 on the cyclone separator 1. The cyclone separator 1 is fixed to a horizontal surface by a bracket 2.

The activated carbon box 3 comprises a filter screen layer 32 at the lowest layer and at least 1 activated carbon layer 33 arranged above the filter screen layer 32, the filter screen layer 32 is provided with a left filter screen drawer and a right filter screen drawer 34, the filter screen drawers 34 are sequentially provided with a first filter screen 341, a second filter screen 342 and a third filter screen 343 from bottom to top, the first filter screen 341, the second filter screen 342 and the third filter screen 343 are all in a zigzag shape, the fluctuation directions are staggered by 90 degrees, the activated carbon layer 33 is provided with a left activated carbon drawer and a right activated carbon drawer 35, the bottom of the activated carbon drawer 35 is provided with a lining net 351 in a zigzag shape, and activated carbon 352 is arranged above the lining net 351. The activated carbon 352 is preferably honeycomb activated carbon to enhance its adsorption effect. The handles 37 are fixed to the front surfaces of the filter screen drawer 34 and the activated carbon drawer 35, so that the activated carbon 352 inside the filter screen drawer and the activated carbon drawer can be easily replaced by a worker.

When the fermentation tank works, after the waste and the auxiliary materials are added with the microbial fermentation inoculant and are uniformly mixed, aerobic continuous fermentation is carried out through the fermentation tank 9, the fermentation material is pushed and placed uniformly by the pile turning machine during the fermentation period, further deep fermentation is carried out, and waste gas is generated in the fermentation tank 9. When the air cylinder 81 works, the flap plate 82 is far away from the air door seat 83, namely the air door 8 is opened at the moment, and under the action of the fan 5, the waste gas is conveyed into the cyclone separator 1 through the exhaust port 10, the branch air pipe 7, the air door 8 and the exhaust pipe 6. The cyclone separator 1 performs preliminary dust removal pretreatment on the waste gas, so that dust particles in the waste gas are separated from the gas, the dust particles are discharged downwards through the feed opening 12, and the gas after dust removal is upwards introduced into the activated carbon box 3. The filter screen layer 32 further filters the exhaust gas, wherein the first filter screen 341, the second filter screen 342, and the third filter screen 343 are fixedly installed in the above manner, so that the filtering effect is better. After the purification process of the cyclone 1 and the purification process of the filter screen layer 32, the purification pressure of the activated carbon layer 33 is reduced, and the activated carbon layer can adsorb and purify organic or inorganic pollutants in the exhaust gas to achieve the purpose of purifying the exhaust gas and prolong the service life of the activated carbon layer. The cleaned exhaust gas is discharged through the outlet 36.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected, and may communicate between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. An organic fertilizer fermentation tank exhaust system comprises branch air pipes (7) arranged on fermentation tanks (9), exhaust ports (10) arranged on the branch air pipes (7), an exhaust pipe (6) and a fan (5), and is characterized in that a damper device (8) is arranged between each branch air pipe (7) and the exhaust pipe (6), the damper device (8) comprises an air cylinder (81), a flap plate (82), a damper seat (83) and a damper air passage (84), the air cylinder (81) is vertically fixed on the upper wall of the exhaust pipe (6), the flap plate (82) is fixed at the end of a piston rod of the air cylinder (81), the damper seat (83) is arranged on the lower wall of the exhaust pipe (6) and is positioned right below the flap plate (82), the damper air passage (84) is horizontally arranged below the damper seat (83), and an air inlet of the fan (5) is communicated with the exhaust pipe (6), the air outlet is communicated with the cyclone separator (1), and an activated carbon box (3) is arranged above the cyclone separator (1).

2. The exhaust system of the organic fertilizer fermentation tank as claimed in claim 1, wherein the air door seat (83) is provided with a rubber sealing ring.

3. The organic fertilizer fermentation tank exhaust system according to claim 1, wherein the activated carbon box (3) comprises a filter screen layer (32) at the lowest layer and at least 1 activated carbon layer (33) arranged above the filter screen layer (32), the filter screen layer (32) is provided with a left filter screen drawer and a right filter screen drawer (34), a first filter screen (341), a second filter screen (342) and a third filter screen (343) are arranged in the filter screen drawer (34) from bottom to top in sequence, the first filter screen (341), the second filter screen (342) and the third filter screen (343) are all saw-toothed and fluctuated integrally, the fluctuation directions are staggered by 90 degrees, the activated carbon layer (33) is provided with a left activated carbon drawer and a right activated carbon drawer (35), a layer of zigzag-shaped undulating lining net (351) is arranged at the bottom of the active carbon drawer (35), and active carbon (352) is arranged above the lining net (351).

4. The organic fertilizer fermentation tank exhaust system as claimed in claim 3, wherein the activated carbon (352) is honeycomb activated carbon.