CN210394347U - Straw wall breaking pulping machine - Google Patents
Straw wall breaking pulping machine Download PDFInfo
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- CN210394347U CN210394347U CN201920335351.6U CN201920335351U CN210394347U CN 210394347 U CN210394347 U CN 210394347U CN 201920335351 U CN201920335351 U CN 201920335351U CN 210394347 U CN210394347 U CN 210394347U
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Abstract
The utility model discloses a straw broken wall pulping machine, which belongs to the technical field of biogas fermentation. The straw wall breaking pulping machine comprises a barrel body and a plurality of stirring devices uniformly arranged in the barrel body, wherein a steam inlet and a feed inlet are formed in the top of the barrel body, and a pulp outlet is formed in the lower end of the barrel body; the stirring device comprises a stirring shaft and stirring blades which are uniformly distributed on the stirring shaft; the stirring blade comprises a connecting arm fixedly connected with the stirring shaft and a stirring blade arranged at the tail end of the connecting arm; the length of the stirring sheet is larger than the width of the connecting arm. The utility model provides a simple straw broken wall pulping machine, which can realize the high-efficiency broken wall of the straw and has obvious economic benefit.
Description
Technical Field
The utility model relates to the technical field of methane fermentation, in particular to a straw wall breaking pulping machine.
Background
China has abundant crop straw resources, hundreds of millions of tons of the crop straw resources exist every year, and most of the crop straw resources are discarded and incinerated except a small amount of the crop straw resources are processed into silage, bioethanol, paper making and the like, so that not only is the resource waste, but also the environmental pollution is caused. How to utilize straws (especially dry straws) to produce biogas and change the dry straws into valuables is always the direction of efforts of experts in the field of biogas. Because the lignocellulose content of the straws is higher and is not easy to be digested by anaerobic flora, the straws must be pretreated before entering the methane tank, otherwise, the digestion rate of anaerobic fermentation is low, the speed is slow and the gas production is less. The prior pretreatment method generally comprises the steps of crushing straws and then carrying out long-time aerobic composting, the method not only occupies large land, takes time and labor, pollutes the environment, but also has large influence on fermentation by the outside air temperature, has poor aerobic composting fermentation effect in winter and low efficiency, and the composting mode can not effectively destroy the cell walls of the straws, so that organic matters in the straw cells can not be digested by flora, and in addition, the straws are easy to scale in a methane tank, thereby seriously influencing the operation of the methane tank.
SUMMERY OF THE UTILITY MODEL
For solving the not enough among the prior art, the utility model provides a broken straw wall pulping machine has filled prior art blank, can destroy the straw cell wall with the high efficiency to let the intracellular organic matter of straw fully digested by the anaerobism fungus crowd, can improve the gas production speed and the gas production volume of straw.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides a straw wall breaking pulping machine, which comprises a barrel body and a plurality of stirring devices which are uniformly arranged inside the barrel body, wherein the top of the barrel body is provided with a steam inlet and a feed inlet, and the lower end of the barrel body is provided with a pulp outlet;
the stirring device comprises a stirring shaft and stirring blades which are uniformly distributed on the stirring shaft;
the stirring blade comprises a connecting arm fixedly connected with the stirring shaft and a stirring blade arranged at the tail end of the connecting arm; the length of the stirring sheet is larger than the width of the connecting arm.
Furthermore, the stirring blades are spirally distributed on the stirring shaft.
Furthermore, a rotating motor is connected to the stirring shaft and is located outside the barrel body.
Furthermore, a stop valve is arranged on the steam inlet, a feed valve is arranged on the feed inlet, and a discharge valve is arranged on the slurry outlet.
Preferably, the number of the stirring devices is 1-6, and the distance is 0.8-1 m; the number of the stirring blades on each stirring device is 3-20, and the distance between the stirring blades is 0.2-0.4 m.
Further, the steam inlet is connected with a steam generating device, and the feed inlet is connected with a mixing device; the slurry outlet is connected with a normal pressure release tank.
The method for wall breaking pulping by using the straw wall breaking pulping machine comprises the following steps:
(1) uniformly mixing the crushed dry straws and water according to a certain proportion;
(2) closing the stop valve and the discharge valve, opening the feed valve, putting the prepared raw material obtained in the step (1) into a barrel body, and starting the rotary motor to stir the raw material;
(3) opening the stop valve, introducing superheated steam until a certain pressure is reached, and then heating and maintaining the pressure for 5-10 minutes;
(4) and opening the discharge valve to spray the slurry into the normal pressure release tank.
Further, in the step (1), the length of the dry straw is 20-30mm, and the weight ratio of the dry straw to water is 1: 1.5-2.5; the water is tap water and/or sewage.
Further, in the step (2), the filling amount of the raw materials in the barrel body is 70% -80% of the total volume of the barrel body;
the stirring speed is 20-50 rpm/min.
Further, in the step (3), the temperature of the superheated steam is 183-187 ℃, and the pressure is 1.0-1.1 MPa.
The utility model discloses in, let in superheated steam and heat the raw materials, the stirring lasts among the heating process, treat that the lignin of straw cell wall melts, space between the cell wall fibre is full of by the highly compressed liquid water of high temperature simultaneously, open the bleeder valve this moment, pressure in the bucket reduces natural atmospheric pressure from the high pressure in the twinkling of an eye, this aqueous gasification that leads to in the fibre becomes steam, produce the blasting effect, break into the piece with the straw cell wall, thereby form the pulpiness material by the bleeder valve blowout, the methane-generating pit can be carried to the thick liquids after the cooling.
The utility model discloses following beneficial effect has:
in the utility model, the raw materials are conveyed into the barrel body, and the straw wall breaking pulping is quickly realized through the explosion effect of steam; meanwhile, the raw materials in the system are always in a fully closed state, so that the environment is not polluted; meanwhile, the device has a simple structure and is convenient to operate. Utilize the utility model provides a method, the proportion of the dry straw of reasonable control and water to and superheated steam's the pressure that lets in, realize the high-efficient broken wall of straw, can increase substantially marsh gas output and production efficiency, about 30% -50% more than the marsh gas volume of conventional stack retting production, economic benefits is showing.
Drawings
Fig. 1 is a schematic structural view of a wall breaking pulping machine according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of an agitating device according to embodiment 1 of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a straw wall breaking pulping machine, as shown in figure 1-2, comprising a barrel 1 and a plurality of stirring devices 8 which are uniformly arranged inside the barrel body, wherein the top of the barrel body 1 is provided with a steam inlet 9 and a feed inlet 10, and the lower end of the barrel body 1 is provided with a pulp outlet 11;
the stirring device 2 comprises a stirring shaft 5 and stirring blades 4 uniformly distributed on the stirring shaft 5;
the stirring blade 4 comprises a connecting arm 12 fixedly connected with the stirring shaft 5 and a stirring sheet 13 arranged at the tail end of the connecting arm 12; the length of the stirring blade 13 is greater than the width of the connecting arm 12.
In the utility model, the raw materials are conveyed into the barrel body, and the straw wall breaking pulping is quickly realized through the explosion effect of steam; meanwhile, the raw materials in the system are always in a fully closed state, so that the environment is not polluted; meanwhile, the device has a simple structure and is convenient to operate.
Furthermore, the stirring blades 4 are spirally distributed on the stirring shaft 5, so that the raw materials can be quickly and uniformly mixed.
Further, the stirring shaft 5 is connected with a rotating motor 6, and the rotating motor 6 is located outside the barrel body 1 and used for driving the stirring shaft 5 to move so as to stir the raw materials.
Further, a stop valve 2 is arranged on the steam inlet 9, a feed valve 3 is arranged on the feed inlet 10, and a discharge valve 7 is arranged on the slurry outlet 11 and used for controlling the inlet and outlet of steam, raw materials and slurry, wherein the arrow directions in the figure indicate the inlet direction of the steam or the raw materials and the outlet direction of the slurry.
Preferably, the number of the stirring devices 8 is 1-6, and the distance is 0.8-1 m; the number of the stirring blades on each stirring device 8 is 3-20, and the distance between the stirring blades is 0.2-0.4 m. Rationally set up agitating unit's quantity according to the size of staving 1, realize the flash mixed of raw materials.
Further, a steam inlet 9 is connected with a steam generating device, and a feeding hole 10 is connected with a mixing device; the slurry outlet 11 is connected with a normal pressure release tank. The specific structure of these devices is only required to be the structure commonly used in the prior art, and is not described one by one here.
In conclusion, the utility model provides a simple straw broken wall pulping machine can realize the high-efficient broken wall of straw, obtains the thick liquids that have higher marsh gas output through specific process conditions simultaneously, has apparent economic benefits.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A straw wall breaking pulping machine is characterized by comprising a barrel body and a plurality of stirring devices uniformly arranged in the barrel body, wherein a steam inlet and a feed inlet are formed in the top of the barrel body, and a pulp outlet is formed in the lower end of the barrel body;
the stirring device comprises a stirring shaft and stirring blades which are uniformly distributed on the stirring shaft;
the stirring blade comprises a connecting arm fixedly connected with the stirring shaft and a stirring blade arranged at the tail end of the connecting arm; the length of the stirring sheet is larger than the width of the connecting arm.
2. The straw wall breaking pulping machine according to claim 1, wherein the stirring blades are spirally distributed on the stirring shaft.
3. A straw wall breaking pulping machine according to claim 2, wherein a rotary motor is connected to the stirring shaft and is located outside the barrel body.
4. A straw wall breaking pulping machine according to claim 3, wherein a stop valve is arranged on the steam inlet.
5. The straw wall breaking pulping machine according to claim 4, wherein a feeding valve is arranged on the feeding port.
6. The straw wall breaking pulping machine of claim 5, wherein a discharge valve is arranged on the pulp outlet.
7. The straw wall-breaking pulping machine of any one of claims 1 to 6, wherein the number of the stirring devices is 1 to 6, and the distance between the stirring devices is 0.8 to 1 m; the number of the stirring blades on each stirring device is 3-20, and the distance between the stirring blades is 0.2-0.4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920335351.6U CN210394347U (en) | 2019-03-15 | 2019-03-15 | Straw wall breaking pulping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920335351.6U CN210394347U (en) | 2019-03-15 | 2019-03-15 | Straw wall breaking pulping machine |
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| Publication Number | Publication Date |
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| CN210394347U true CN210394347U (en) | 2020-04-24 |
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| CN201920335351.6U Active CN210394347U (en) | 2019-03-15 | 2019-03-15 | Straw wall breaking pulping machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868212A (en) * | 2019-03-15 | 2019-06-11 | 青岛汇君环境能源工程有限公司 | A kind of stalk broken wall pulper and the method for stalk broken wall slurrying |
-
2019
- 2019-03-15 CN CN201920335351.6U patent/CN210394347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868212A (en) * | 2019-03-15 | 2019-06-11 | 青岛汇君环境能源工程有限公司 | A kind of stalk broken wall pulper and the method for stalk broken wall slurrying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A straw wall breaking pulping machine Effective date of registration: 20210325 Granted publication date: 20200424 Pledgee: Qingdao Jinling Shengtai Financing Guarantee Co.,Ltd. Pledgor: QINGDAO HUIJUN ENVIRONMENTAL ENERGY ENGINEERING Co.,Ltd. Registration number: Y2021370010010 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220401 Granted publication date: 20200424 Pledgee: Qingdao Jinling Shengtai Financing Guarantee Co.,Ltd. Pledgor: QINGDAO HUIJUN ENVIRONMENTAL ENERGY ENGINEERING CO.,LTD. Registration number: Y2021370010010 |