CN201065404Y - Floating roof type methane tank with shell-breaking device - Google Patents

Abstract

Floating roof biogas digester with shell breaking device provides a floating roof biogas digester with automatic shell breaking device with reasonable design and simple structure, which can effectively produce gas, burn stably, prevent gas leakage, and automatically break the shell , Fast and convenient transportation, installation and maintenance. There is a conical floating roof on the upper part of the floating hood, a manhole and a manhole cover on the top of the floating hood, an exhaust port on the bottom of the floating hood, and a traction rope on the lower part of the floating hood. A shell breaker is provided on the position pressure block; a sealing ring is provided on the inner wall of the top of the shell, the traction rope is made of steel wire or nylon, the stop pressure block is made of cement components, and the shell and the floating cover are made of plastic materials. It solves the problems of low gas production, unstable combustion, easy gas leakage, easy crusting, and complex transportation, installation and maintenance procedures of the existing biogas pits.

Description

Floating roof biogas digester with shell breaking device

technical field

The utility model relates to a floating-roof biogas pond with an automatic shell breaking device.

Background technique

With the promotion and popularization of aquaculture in rural areas, many farmer friends and breeding factories have built biogas digesters one after another. At present, most of the rural areas use masonry cement or glass as materials to make biogas digesters. The disadvantages are: static fermentation is now used, the distribution of raw materials and microorganisms is uneven, the mixing degree of fermentation materials is poor, the fermentation effect is not good, and the reaction is not stable. The biogas pressure changes greatly, the air pressure is unstable, the combustion is very unstable, and the production of biogas takes a long time; the scum is easy to crust and easy to block; it needs to be manually removed from the bottom, and the discharge is not complete; the sealing performance is poor, and it is easy to leak; Installation and maintenance are more difficult; the volume of the main pool is fixed, the body of the main pool is large, the process technology is complicated, it cannot be relocated twice, and the cost is high. It can only be produced on site, and cannot be mass-produced. Adjust the gas storage capacity according to the location, climate and actual needs of biogas.

Contents of the invention

In order to solve the deficiencies of the prior art, the utility model provides a floating roof biogas digester with an automatic shell-breaking device with reasonable design and simple structure, which can effectively produce gas, burn stably, prevent air leakage, automatically break the shell, and quickly It is convenient for transportation, installation, and maintenance, and solves the problems of low gas production, unstable combustion, easy gas leakage, easy crusting, and complicated transportation, installation, and maintenance procedures of the existing biogas pits.

In order to achieve the purpose of the above-mentioned utility model, the technical scheme of the biogas tank provided by the utility model is conceived as follows: a floating roof biogas tank with a shell breaking device, including a main tank 5, a floating cover 17, an air outlet valve 10, and a feed port 13 , discharge port 2, said: the floating cover 17 top is provided with the floating top 14 with small head and large tail, and the floating cover 17 bottom is provided with traction rope 6, and the other end of traction rope 6 is connected with stop pressure block 9, and stop position pressure block 9 is provided with cracker 7.

The floating roof 14 is conical.

A manhole 15 and a manhole cover 16 are arranged on the top of the floating roof 14 .

The bottom of the floating cover 17 is provided with an exhaust port 4, and the distance between the exhaust port 4 and the bottom of the floating cover 17 is 15-20mm.

A sealing ring 11 is provided on the inner wall of the top of the main pool 5 .

The height of the cracker 7 is 1.5-2m, and the number of crackers is 2-5.

Described traction rope 6 is 4-8, is made of steel wire or nylon.

The stop pressure block 9 is made of cement components with a weight of 250-350kg.

The main pool 5 is square, circular, oval, and the main pool 5 and the floating cover 17 are made of plastic materials.

Advantage of the utility model:

1. The biogas digester is connected by a floating cover 17, a traction rope 6, and a stop pressure block 9. Using the exhaust port 4 on the bottom of the floating cover 17, they move up and down according to the pressure of the biogas. This structure adopts dynamic fermentation, the raw materials and microorganisms are fully mixed, the fermentation materials are uniform, the fermentation effect is good, the reaction is stable, the biogas pressure is stable, and it can produce biogas for 24 hours and use gas for 48 hours.

2. The upper part of the floating cover adopts a conical floating roof 14, which can fully discharge the biogas and ensure stable combustion.

3. The lift-type stop pressure block 9 is provided with a shell breaker 7, which can break the shell automatically during the lifting process of the shell breaker 7, without manpower and electric power, and is not easy to block the fermentation material.

4. A sealing ring 11 is provided on the inner wall of the top of the main pool 5, and the main pool 5 and the floating cover 17 are made of plastic materials. In this way, raw materials can be produced in batches, finished products can be transported over long distances, the cost is low, the installation process is simple, the installation is fast and fast, and it can be moved many times, and the gas storage capacity can also be adjusted according to the location, climate and actual needs of biogas. The volume can be made according to the needs of users; and the sealing performance is good, and it is not easy to leak.

5. A manhole 15 and a manhole cover 16 are arranged on the top of the floating roof 14, making the maintenance of the biogas digester convenient, quick and safe.

The utility model has very simple structure, low manufacturing cost, but very convenient practical use.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the utility model using state (floating cover rising state);

Fig. 2 is a schematic diagram of the structure of the utility model in use (the floating cover is in a lowered state).

Among them: 1-lifting pump handle, 2-feeding port, 3-discharging pump, 4-exhaust port, 5-main pool, 6-traction rope, 7-shell breaker, 8-fermentation room, 9- Stop pressure block, 10-air outlet valve, 11-sealing ring, 12-gas storage room, 13-feed inlet, 14-floating roof, 15-manhole, 16-manhole cover, 17-floating cover.

Detailed ways

As shown in Fig. 1 and Fig. 2, the floating roof type biogas digester with a shell breaking device includes a main pool 5, a floating cover 17, an air outlet valve 10, a material inlet 13, and a material outlet 2, as described above: the floating cover 17 The upper part is provided with a conical floating roof 14. The top of the floating roof 14 is provided with a manhole 15 and a manhole cover 16. The manhole cover 16 is provided with an air outlet valve 10. The diameter of the manhole 15 is 58-80mm; Exhaust port 4, the distance between exhaust port 4 and the bottom of floating cover 17 is 15-20mm; the bottom of floating cover 17 is provided with traction rope 6, and the other end of traction rope 6 is connected with stop pressure block 9, and stop position pressure block 9 is provided with Shell breaker 7; the inner wall of the top of the main pool 5 is provided with a sealing ring 11, the distance between the main pool 5 and the floating cover 17 is 1.5-3mm; the height of the shell breaker 7 is 1.5-2m, and the number of shell breakers is 2- 5 pieces; the traction rope 6 is 4-8, made of steel wire or nylon; the stop pressure block 9 is made of cement components, and the weight is 250-350kg; the main pool 5 is square, round, oval, and the main pool 5 and floating cover 17 are made of plastic material.

The order of installing the biogas digester: main pool 5-inlet 13-outlet 2-sealing ring 11-stop pressure block 9-shell breaker 7-traction rope 6-floating cover 17.

During maintenance: open the manhole cover 16, and maintenance personnel enter the biogas digester through the manhole 15 for maintenance.

Example 1

As shown in Figure 1, the top of the floating cover 17 is provided with a conical floating roof 14, the top of the floating roof 14 is provided with a manhole 15 and a manhole cover 16, and the manhole 15 and the manhole 16 cover are screwed together, and the manhole cover 16 is provided with The air outlet valve 10 and the diameter of the manhole 15 are 60 mm; the bottom of the floating cover 17 is provided with an exhaust port 4, and the distance between the exhaust port 4 and the bottom of the floating cover 17 is 15 mm; the lower part of the floating cover 17 is provided with a traction rope 6, and the other end of the traction rope 6 Connected with the stop pressure block 9, the stop pressure block 9 is provided with a shell breaker 7; the inner wall of the top of the main pool 5 is provided with a sealing ring 11, and the distance between the main pool 5 and the floating cover 17 is 1.5 mm; the shell breaker 7. The height is 1.7m, and the number of crackers is 2; the traction rope 6 is 6, made of steel wire; the stop pressure block 9 is made of cement components, and the weight is 300kg; the main pool 5 is circular, and the main pool Pool 5 and floating cover 17 are made of plastic material.

After the biogas digester is installed, the fermentation material is poured in from the feed port 13, the fermentation liquid level is higher than the exhaust port 4, and the biogas is stored in the gas storage room 12. When the amount of biogas increases and its pressure continues to increase, the biogas pressure is greater than Under the gravity of the pressure block 9, the floating cover 17 rises to a high place, and the biogas concentrates on the outlet valve 10 along the slope of the floating roof 14. When the user needs to use gas to open the outlet valve, the biogas can be fully discharged from the outlet valve. , so that the combustion of biogas is stable. When the user uses gas, the pressure of the biogas gradually decreases, the floating cover 17 will automatically descend, and the cracker 7 can fully and automatically stir the fermentation material during the process of rising and falling, otherwise the fermentation material will crust. After the waste material is drawn out from the discharge port 2 by using the material lifting pump handle 1 and the material discharge pump 3, new fermented material can be renewed.

Example 2

As shown in Figure 2, this embodiment is basically the same as that described in Figure 1, the difference is that when the biogas pressure is too high and the floating cover 17 rises to a certain height, the liquid level of the fermentation material is lower than the position of the exhaust port 4 , the biogas can be exhausted and released through the exhaust port 4, and now the floating cover 17 will automatically descend, and the shell breaker 7 can fully and automatically stir the fermented material during the descending process to prevent the fermented material from crusting.

Example 3

This embodiment is basically the same as that described in Figure 1, except that the diameter of the manhole 15 is 58 mm, the distance between the exhaust port 4 and the bottom of the floating cover is 17 mm; the distance between the main pool 5 and the floating cover 17 is 1.7 mm; The height of shell breaker 7 is 1.5m, and the number of shell breakers is 3; traction rope 6 is 4, made of nylon filament; stop pressure block 9 weighs 250kg; main pool 5 is square.

Example 4

This embodiment is basically the same as that described in Figure embodiment 2, the difference being that the diameter of the manhole 15 is 80 mm, the distance between the exhaust port 4 and the bottom of the floating cover 17 is 20 mm; the distance between the main pool 5 and the floating cover 17 is 3 mm; The shell breaker 7 height is 2m, and the shell breaker number is 5; Traction rope 6 is 8, is made of nylon filament; Stop position pressure block 9 weights are 350kg; Main pool 5 is oval.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: it is still possible Any modification or equivalent replacement made to the specific implementation of the present utility model without departing from the spirit and scope of the present utility model shall be covered by the claims of the present utility model.

Claims (9)

1. A floating roof type biogas digester with a shell-breaking device, including a main pool (5), a floating cover (17), an air outlet valve (10), a material inlet (13), and a material outlet (2). It is characterized in that The top of the floating cover (17) is provided with a floating top (14) with a small head and a large tail, and the bottom of the floating cover (17) is provided with a traction rope (6), and the other end of the traction rope (6) is connected with the stop pressure block (9), A shell breaker (7) is provided on the stop pressure block (9). 2. The floating roof type biogas digester with shell breaking device according to claim 1, characterized in that: said floating roof (14) is conical. 3. The floating-roof biogas digester with shell breaking device according to claim 1 or 2, characterized in that: a manhole (15) and a manhole cover (16) are arranged on the top of the floating roof. 4. The floating roof biogas digester with a shell breaking device according to claim 3, characterized in that: the bottom of the floating cover (17) is provided with an exhaust port (4), and the exhaust port (4) is connected to the floating The bottom of the cover (17) is 15-20mm apart. 5. The floating-roof biogas digester with shell breaking device according to claim 4, characterized in that: a sealing ring (11) is provided on the inner wall of the top of the main pond (5). 6. The floating-roof biogas digester with shell breaking device according to claim 1, characterized in that: the shell breaking device (7) has a height of 1.5-2m, and the number of shell breaking devices is 2-5. 7. The floating-roof biogas digester with shell breaking device according to claim 1, characterized in that: the number of the traction ropes (6) is 4-8, made of steel wire or nylon. 8. The floating-roof biogas digester with shell breaking device according to claim 1, characterized in that: the stop pressure block (9) is made of cement components and weighs 250-350kg. 9. The floating roof type biogas digester with a shell breaking device according to claim 1, characterized in that: the main pool (5) is square, circular, oval, the main pool (5) and the floating cover ( 17) Made of plastic material.

Images