Viscosity reduction equipment based on organic solid waste

Abstract

The utility model provides viscosity reduction equipment based on organic solid waste. The viscosity reduction equipment comprises a cavity, a feed port, a liquid inlet, a control device, a power device, a pulping device, a discharge port and a heating device, the feeding hole and the liquid inlet are formed in the top of the cavity and are used for introducing organic solid wastes and viscosity reduction liquid into the cavity; the control device is arranged on the side wall of the cavity and is used for controlling the temperature of the heating device and the viscosity reduction time; the pulping device is arranged in the cavity, and the pulping device is in transmission connection with the power device; the heating device is arranged on the bottom surface, far away from the feeding hole and the liquid inlet, in the cavity; and the discharge hole is formed in the cavity. The viscosity reduction equipment provided by the utility model is simple in structure, can achieve the effect of treating different organic solid wastes by adopting a crushing and pulping integrated mode, and is high in applicability and practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage treatment, and in particular relates to a viscosity reduction device based on organic solid waste. Background Art

[0002] With the improvement of living standards, the amount of organic solid waste such as kitchen waste is increasing. Since organic solid waste such as kitchen waste contains a lot of grease, water and organic matter, after pre-treatment operations such as sorting, degreasing and dehydration, the slurry after crushing has high viscosity due to its characteristics, which brings inconvenience to the collection, transportation and treatment of garbage.

[0003] Therefore, how to reduce the viscosity of the slurry after pulping of organic solid waste to facilitate subsequent resource processing is a problem that needs to be solved urgently. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a viscosity reduction device based on organic solid waste. The viscosity reduction device provided by the utility model has a simple structure and a compact combination. By setting a liquid inlet, the addition of the viscosity reduction liquid is more convenient, which reduces waste and pollution compared with the feed inlet; and the device adopts an integrated crushing and pulping method to reduce the viscosity of organic solid waste and pulp it. The operation is simple and convenient, and it can achieve the effect of treating different organic solid wastes. The device has strong applicability and practicality.

[0005] In order to achieve the purpose of this utility model, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a viscosity reduction device based on organic solid waste, the viscosity reduction device comprising a cavity, a feed inlet, a liquid inlet, a control device, a power device, a pulping device, a discharge port and a heating device;

[0007] The top of the cavity is provided with the feed inlet and the liquid inlet, which are used to pass the organic solid waste and the viscosity reducing liquid into the interior of the cylinder;

[0008] The control device is provided on the side wall of the cavity, and is used to control the temperature of the heating device and the viscosity reduction time;

[0009] The pulping device is arranged inside the cavity, and the pulping device is transmission-connected to the power device;

[0010] The heating device is arranged on the bottom surface of the cavity away from the feed inlet and the liquid inlet;

[0011] The cavity is provided with the discharge port.

[0012] As a preferred technical solution of the utility model, the organic solid waste includes kitchen waste and / or fruit and vegetable waste.

[0013] As a preferred technical solution of the utility model, the feed inlet and the liquid inlet are both provided with covers.

[0014] As a preferred technical solution of the present invention, a heat-insulating layer is provided on the inner wall of the cavity.

[0015] As a preferred technical solution of the utility model, the pulping device is a pulping rod.

[0016] As a preferred technical solution of the utility model, a spiral blade is provided on the outer wall of the pulping rod for crushing and pulping the organic solid waste.

[0017] As a preferred technical solution of the utility model, a first branch outlet and a second branch outlet are provided on the discharge pipeline of the discharge port, the first branch outlet is used to send the slurry to the next process, and the second branch outlet is used to clean the discharge port.

[0018] As a preferred technical solution of the utility model, a control valve is provided on the discharge pipeline of the discharge port for controlling the opening and closing of the discharge port.

[0019] As a preferred technical solution of the utility model, a support is provided at the bottom of the cavity for supporting and fixing the cavity so that a gap is left between the cavity and the ground.

[0020] In a second aspect, the utility model provides an application of the viscosity reduction device as described in the first aspect, wherein the viscosity reduction device is applied in the field of garbage disposal.

[0021] The numerical range described in the present invention not only includes the point values ​​listed above, but also includes any point values ​​between the above numerical ranges that are not listed. Due to space limitations and for the sake of simplicity, the present invention no longer exhaustively lists the specific point values ​​included in the range.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] (1) The viscosity reduction equipment provided by the utility model has a simple structure and a compact combination. The liquid inlet is provided to make the addition of the viscosity reduction liquid more convenient. Compared with the feed inlet, waste is reduced and pollution is reduced. In addition, the equipment adopts an integrated crushing and pulping method to reduce the viscosity of organic solid waste and make pulp. The operation is simple and convenient, and the treatment effect of different organic solid wastes can be achieved. The equipment has strong applicability and practicality.

[0024] (2) The low-viscosity slurry obtained by the viscosity reduction equipment provided by the utility model reduces friction resistance and enhances fluid mass transfer and heat transfer in subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an overall schematic diagram of a viscosity reduction device in a specific implementation manner of the utility model.

[0026] Figure 2 It is a cross-sectional schematic diagram of a viscosity reducing device in a specific implementation manner of the utility model.

[0027] Among them, 1-feed port; 2-liquid inlet; 3-control device; 4-power device; 5-pulping device; 6-discharge port; 7-heating device; 8-support; 9-cavity; 10-insulation layer. DETAILED DESCRIPTION

[0028] It should be understood that, in the description of the present utility model, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0030] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0031] In a specific embodiment, the utility model provides a viscosity reduction device based on organic solid waste, the overall schematic diagram and cross-sectional schematic diagram of the viscosity reduction device are as follows: Figure 1, Figure 2 As shown, the viscosity reduction device includes a cavity 9, a feed port 1, a liquid inlet 2, a control device 3, a power device 4, a pulping device 5, a discharge port 6 and a heating device 7;

[0032] The top of the cavity 9 is provided with the feed inlet 1 and the liquid inlet 2, which are used to pass the organic solid waste and the viscosity reducing liquid into the interior of the cylinder;

[0033] The control device 3 is provided on the side wall of the cavity 9, and is used to control the temperature and viscosity reduction time of the heating device 7;

[0034] The pulping device 5 is disposed inside the cavity 9, and the pulping device 5 is transmission-connected to the power device 4;

[0035] The heating device 7 is arranged on the bottom surface of the cavity 9 away from the feed inlet 1 and the liquid inlet 2;

[0036] The cavity 9 is provided with the discharge port 6 .

[0037] The viscosity reduction equipment provided by the utility model has a simple structure and a compact combination. The liquid inlet 2 is provided to make the addition of the viscosity reduction liquid more convenient. Compared with the feed inlet 1, waste is reduced and pollution is reduced. Moreover, the equipment adopts an integrated crushing and pulping method to reduce the viscosity of organic solid waste and make pulp. The operation is simple and convenient, and the effect of treating different organic solid wastes can be achieved. The equipment has strong applicability and practicality.

[0038] In a specific embodiment, the organic solid waste includes kitchen waste and / or fruit and vegetable waste.

[0039] It should be noted that the utility model does not specifically limit the source of the food waste. For example, it can be food waste from canteens of schools, institutions, and enterprises, or food waste from households.

[0040] In a specific embodiment, the heating device 7 is a heating tube.

[0041] The utility model does not limit the type of heating pipe, as long as it can provide heat over a large area.

[0042] In a specific embodiment, the feed inlet 1 and the liquid inlet 2 are both provided with covers.

[0043] In the utility model, the purpose of setting the sealing cover is to prevent the slurry from splashing during the slurry making process and to provide a closed environment for viscosity reduction.

[0044] In a specific embodiment, a heat-insulating layer 10 is disposed on the inner wall of the cavity 9 .

[0045] In the utility model, the temperature of the heating device 7 can be adjusted by the control device 3, and the heat-insulating layer 10 can make the slurry in various places during slurrying be heated evenly. Through the cooperation of the three, the required conditions for viscosity reduction can be provided.

[0046] The present invention does not limit the material of the thermal insulation layer 10 , and for example, it may be a rock wool board or the like.

[0047] In a specific embodiment, the pulping device 5 is a pulping rod.

[0048] In a specific embodiment, the power device 4 is an electric motor.

[0049] In a specific embodiment, a spiral blade is provided on the outer wall of the pulping rod for crushing and pulping the organic solid waste.

[0050] The pulping rod with spiral blades on the outer wall is driven by the power device 4 to crush the organic solid waste and make pulp. After the crushing process, the required rotation speed can be adjusted to reduce the viscosity of the pulp.

[0051] In a specific embodiment, a first branch outlet and a second branch outlet are provided on the discharge pipeline of the discharge port 6 , wherein the first branch outlet is used to deliver the slurry to the next process, and the second branch outlet is used to clean the discharge port 6 .

[0052] In a specific embodiment, the discharge pipeline of the discharge port 6 is provided with a control valve for controlling the opening and closing of the discharge port 6 .

[0053] In a specific embodiment, a support 8 is provided at the bottom of the cavity 9 for supporting and fixing the cavity 9 so that a gap is left between the cavity 9 and the ground.

[0054] In another specific embodiment, the utility model provides a method for treating organic solid waste, wherein the method uses the viscosity reduction device as described above, and the method comprises the following steps:

[0055] Organic solid waste is introduced from the feed port 1, and water is introduced from the liquid inlet 2, then the power device 4 is started to drive the pulping device 5, so that the introduced material is made into slurry, then the viscosity reducer is introduced from the liquid inlet 2, and the heating device 7 is started at the same time. The temperature and viscosity reduction time are adjusted by the control device 3, and after the viscosity reduction pulping is completed, it is sent to the next process from the discharge port 6.

[0056] The utility model adds a viscosity reducer and adopts an integrated crushing and pulping method to reduce the viscosity of organic solid waste and pulp it, which is simple and convenient to operate. In addition, by adding different proportions of water, adjusting reaction temperature and reaction time, rotation speed, pH value and other conditions, the effect of treating different organic solid wastes, especially for drier wastes, is achieved.

[0057] It should be noted that, before the organic solid waste enters the feed port 1, it is first subjected to pre-treatment operations such as sorting and removal of some oil and water.

[0058] It should be noted that the liquid inlet 2 can add water and viscosity reducing agent in proportion and adjust the pH value when reducing the viscosity according to the water content and pH value of the organic solid waste.

[0059] In a specific embodiment, the viscosity reducing agent includes any one of saccharifying enzyme, mesophilic amylase, pectinase, cellobiase, glucose oxidase or catalase, or a combination of at least two thereof.

[0060] In a specific embodiment, the rotation speed of the pulping device 5 is 90-110 rpm, for example, it can be 90 rpm, 95 rpm, 100 rpm, 105 rpm or 110 rpm.

[0061] In a specific embodiment, during the viscosity reduction pulping, the temperature is 45-55°C, for example, it can be 45°C, 46°C, 47°C, 48°C, 49°C, 50°C, 51°C, 52°C, 52°C, 53°C, 54°C or 55°C.

[0062] In a specific embodiment, the viscosity reduction time is 20-90 min, for example, it can be 20 min, 30 min, 40 min, 50 min, 60 min, 70 min, 80 min or 90 min.

[0063] It should be noted that after all the above steps are completed, the equipment can be cleaned. The cleaning liquid can enter from the feed inlet 1, and the garbage remaining at the feed inlet 1 (1) will flow along the cleaning liquid to the discharge port 6.

[0064] In another specific embodiment, the utility model provides an application of the viscosity reduction device as described above, wherein the viscosity reduction device is applied in the field of garbage disposal.

[0065] It should be noted that the viscosity reduction rate of the low-viscosity slurry obtained by the present invention using the viscosity reduction equipment as described above can reach 20-80%.

[0066] Example 1

[0067] This embodiment provides a method for treating organic solid waste, the method comprising the following steps:

[0068] (1) Organic solid waste (i.e., fruit and vegetable waste) that has been pre-treated by sorting and removing some oil and water is introduced from the feed port 1, and water is introduced from the liquid inlet 2 (the solid-to-liquid ratio of fruit and vegetable waste to water is 1 g:1 mL). Then, the power device 4 is started to drive the pulping rod to rotate at a speed of 100 rpm, so that the introduced material is crushed into slurry under the cutting of the spiral blade. Then, a viscosity reducer (i.e., a combination of saccharifying enzyme, medium-temperature amylase, cellobiase, and catalase, with the addition amounts of 400 U / g, 16 U / g, 4 U / g, and 2000 U / g, respectively, and the activities of each are 1×10 5 U / mL, 4×10 3 U / mL, 1×10 3 U / mL and 5.0×10 5 U / mL), and start the heating tube at the same time, and adjust the temperature and viscosity reduction time through the control device 3. The temperature during viscosity reduction pulping is 55°C and the time is 60min. After the viscosity reduction pulping is completed, the low viscosity slurry is sent from the discharge port 6 to the next process;

[0069] (2) After all the above steps are completed, the equipment can be cleaned. The cleaning liquid enters from the feed inlet 1, and the garbage remaining at the feed inlet 1 is carried along the cleaning liquid to the discharge port 6.

[0070] Example 2

[0071] This embodiment provides a method for treating organic solid waste, the method comprising the following steps:

[0072] (1) Organic solid waste (i.e., household kitchen waste) that has been pre-treated by sorting and removal of some oil and water is introduced from feed port 1, and water (the solid-liquid ratio of household kitchen waste to water is 1.2 g:1 mL) and a viscosity reducer (i.e., a combination of medium-temperature amylase, pectinase, cellobiase, and catalase, with the addition amounts of 16 U / g, 240 U / g, 4 U / g, and 2000 U / g, respectively, with the activity of each being 4 × 10 3 U / mL, 6×10 4 U / mL, 1×10 3 U / mL and 5.0×10 5U / mL), then start the power device 4 to drive the pulping rod to rotate at a speed of 90rpm, so that the introduced material is crushed into slurry under the cutting of the spiral blade, and at the same time start the heating tube, and adjust the temperature and viscosity reduction time through the control device 3. The temperature during viscosity reduction pulping is 50°C and the time is 60min. After the viscosity reduction pulping is completed, the low-viscosity slurry obtained is sent from the discharge port 6 to the next process;

[0073] (2) After all the above steps are completed, the equipment can be cleaned. The cleaning liquid enters from the feed inlet 1, and the garbage remaining at the feed inlet 1 is carried along the cleaning liquid to the discharge port 6.

[0074] Example 3

[0075] This embodiment provides a method for treating organic solid waste, the method comprising the following steps:

[0076] (1) Organic solid waste (i.e., school, government, and enterprise canteen food waste) that has been pre-treated by sorting and removing some oil and water is introduced from the feed port 1, and water is introduced from the liquid inlet 2 (the solid-to-liquid ratio of school, government, and enterprise canteen food waste to water is 1.3 g:1 mL). Then, the power device 4 is started to drive the pulping rod to rotate at a speed of 100 rpm, so that the introduced material is crushed into slurry under the cutting of the spiral blade. Subsequently, a viscosity reducer (i.e., a combination of saccharifying enzyme, medium-temperature amylase, pectinase, cellobiase, glucose oxidase, and catalase, with the addition amounts of 135 U / g, 5.5 U / g, 80 U / g, 1.5 U / g, 16 U / g, and 670 U / g, respectively, and the activities of each are 1×10 5 U / mL, 4×10 3 U / mL, 6×10 4 U / mL, 1×10 3 U / mL, 1.2×10 4 U / mL and 5.0×10 5 U / mL), and at the same time, the heating tube is started, and the temperature and viscosity reduction time are adjusted by the control device 3. The temperature during viscosity reduction pulping is 55°C and the time is 40min. After the viscosity reduction pulping is completed, the obtained low-viscosity slurry is sent to the next process from the discharge port 6;

[0077] (2) After all the above steps are completed, the equipment can be cleaned. The cleaning liquid enters from the feed inlet 1, and the garbage remaining at the feed inlet 1 is carried along the cleaning liquid to the discharge port 6.

[0078] The applicant declares that the utility model illustrates the technical solution of the utility model through the above-mentioned embodiments, but the utility model is not limited to the above-mentioned process steps, that is, it does not mean that the utility model must rely on the above-mentioned process steps to be implemented. The technicians in the relevant technical field should understand that any improvement to the utility model, any equivalent changes made according to the structure, shape, and principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. A viscosity reduction device based on organic solid waste, characterized in that: The viscosity reduction equipment comprises a cavity, a feed inlet, a liquid inlet, a control device, a power device, a pulping device, a discharge port and a heating device; The top of the cavity is provided with the feed inlet and the liquid inlet, which are used to pass the organic solid waste and the viscosity reducing liquid into the interior of the cavity; The control device is provided on the side wall of the cavity, and is used to control the temperature of the heating device and the viscosity reduction time; The pulping device is arranged inside the cavity, and the pulping device is transmission-connected to the power device; The heating device is arranged on the bottom surface of the cavity away from the feed inlet and the liquid inlet; The cavity is provided with the discharge port.

2. The viscosity reduction equipment according to claim 1, characterized in that: The organic solid waste includes kitchen waste and / or fruit and vegetable waste.

3. The viscosity reduction equipment according to claim 1, characterized in that: The feed inlet and the liquid inlet are both provided with covers.

4. The viscosity reduction equipment according to claim 1, characterized in that: A heat-insulating layer is arranged on the inner wall of the cavity.

5. The viscosity reduction equipment according to claim 1, characterized in that: The pulping device is a pulping rod.

6. The viscosity reduction equipment according to claim 5, characterized in that: The outer wall of the pulping rod is provided with a spiral blade for crushing and pulping organic solid waste.

7. The viscosity reduction equipment according to claim 1, characterized in that: The discharge pipeline of the discharge port is provided with a first branch outlet and a second branch outlet, the first branch outlet is used to send the slurry to the next process, and the second branch outlet is used to clean the discharge port.

8. The viscosity reduction equipment according to claim 1, characterized in that: The discharge pipeline of the discharge port is provided with a control valve for controlling the opening and closing of the discharge port.

9. The viscosity reduction equipment according to claim 1, characterized in that: A support is provided at the bottom of the cavity for supporting and fixing the cavity so that a gap is left between the cavity and the ground.

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