CN212403634U - Variable speed up-flow hydrolysis acidification reactor - Google Patents

Abstract

The utility model discloses a variable speed upflow hydrolysis acidification reactor, including the cell body, cell body central authorities are equipped with central shaft, and central shaft bottom is connected with sewage inlet tube and bottom of the pool water distributor, the water-locator is installed at the cell body top, water-locator bottom and central shaft intercommunication, the water-locator still is connected with backward flow main pipe, and the other end of backward flow main pipe is connected the multiple spot reflux unit that absorbs water that is located the cell body, install the flowmeter on the backward flow main pipe, the internally mounted of backward flow main pipe has the backwash pump, be provided with the water distribution mouth on the bottom of the pool water distributor, the reducing stopper is all equipped with to the end of every water distribution mouth, the cell body top is equipped with out the water catch bowl, the mud pipe is installed to bottom of the pool water distributor top, and the mud pipe is connected with the outside mud pump of cell body. The utility model discloses can prevent that activated sludge from running off, reduce out water suspended solid concentration, need not mechanical stirring, no power consumption, energy-concerving and environment-protective, the water distribution is even, avoids water distribution piping system to take place to block up, and shock-resistant ability is stronger.

Description

Variable speed up-flow hydrolysis acidification reactor

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a variable-speed upflow type hydrolysis acidification reactor.

Background

The hydrolysis acidification process controls anaerobic treatment in the first and second stages of anaerobic treatment with short reaction time according to different growth speeds of methanogenic bacteria and hydrolysis acid-producing bacteria, namely, the process of hydrolyzing insoluble organic matters into soluble organic matters under the action of a large amount of hydrolysis bacteria and acidification bacteria and converting macromolecular substances which are difficult to biodegrade into small molecular substances which are easy to biodegrade, thereby improving the biodegradability of wastewater and laying a good foundation for subsequent treatment. The existing hydrolysis acidification reactor is generally in a tank body form, a multi-point water distribution system or a perforated pipe water distribution system is mostly adopted in a water distribution system, water is fed in a gravity flow mode, the height of the tank body is generally below seven meters, and a mechanical stirrer is additionally arranged in some tanks without an internal circulation system.

The prior art has the defects that a water inlet pipeline is easy to block, the water distribution is not uniform, the mud-water mixing effect is poor, the electric energy is consumed, hydraulic dead angles are easy to generate, the finishing treatment effect is poor, and the phenomena of activated sludge loss and turbid outlet water are easy to occur. Most of the existing products of the same type are not provided with a circulating system, so that the internal environment cannot be regulated in real time, and the shock resistance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable speed upflow hydrolysis acidification reactor to solve the problem of the installation defect who proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a variable speed upflow hydrolysis acidification reactor, includes the cell body, cell body central authorities are equipped with central shaft, and central shaft bottom is connected with sewage inlet tube and bottom of the pool water distributor, the water distributor is installed at the cell body top, and the water distributor bottom communicates with central shaft, the water distributor still is connected with the backward flow main pipe, and the multiple spot reflux unit that absorbs water that is located the cell body is connected to the other end of backward flow main pipe, install the flowmeter on the backward flow main pipe, the internally mounted of backward flow main pipe has the backwash pump, be provided with the water distribution mouth on the bottom of the pool water distributor, the end of every water distribution mouth all is equipped with the reducing stopper, the cell body top is equipped with out the water catch bowl, the mud pipe is installed to bottom of the pool water distributor top, and the mud pipe is connected with the mud.

Preferably, the central vertical shaft penetrates through the center line of the tank body from top to bottom, and the inside of the central vertical shaft is hollow.

Preferably, the pipeline system of the water distribution pipe at the bottom of the pool is in a tree shape and is uniformly distributed at the bottom of the pool, the pipeline system is fixed in a support mode, and the phenomenon of nonuniform water distribution is avoided due to the accurate uniform water distribution system.

Preferably, the multi-point water absorption reflux device, the reflux main trunk pipe, the reflux pump and the flowmeter are fixed through a support to form a mixed liquid reflux system.

The mixed liquid reflux system utilizes the siphon principle to inject the refluxed mixed liquid into the bottom of the pool through the central vertical shaft at a high speed, and then the refluxed mixed liquid enters the pool through the water distribution pipe 4 at the bottom of the pool, the high-speed injected water flow can form a strong hydraulic stirring effect, so that muddy water is fully mixed, meanwhile, the tail end of each water distribution port is provided with the reducing plug, the high-speed water flow passes through the reducing plug, so that negative pressure is formed around the high-speed water flow, water around the water distribution ports is sucked into the water distribution ports, an annular circulating flow state is formed.

Preferably, the effluent water collecting tank comprises an effluent tank and a water collecting tank, and a triangular weir plate is arranged on the water collecting tank.

The water collecting tank collects water and then uniformly conveys the water to a water outlet tank outside the tank body, and the water is uniformly collected by the water outlet tank and then discharged out of the system.

Preferably, the sludge discharge pipe is square and annular, is a perforated pipe, is connected with a sludge discharge pump outside the tank body, and is used for periodically sucking sludge through the sludge discharge pump.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the mixed liquid reflux system utilizes the siphon principle to inject the refluxed mixed liquid into the bottom of the pool through the central vertical shaft at a high speed, and then the refluxed mixed liquid enters the pool through the water distribution pipe at the bottom of the pool, and utilizes the siphon principle to generate high-speed water flow to form powerful hydraulic stirring so as to fully mix muddy water.

2. Mechanical stirring is not needed, no power consumption is caused, and the energy-saving and environment-friendly effects are achieved.

3. The accurate uniform water distribution system avoids the phenomenon of non-uniform water distribution.

4. Due to the impact of high-speed water flow, the blockage of a water distribution pipeline system is avoided;

5. the unique mixed liquid backflow system accurately controls the height of a mud bed, changes the rising flow rate of a water body, realizes mud-water separation, prevents the loss of activated sludge and reduces the concentration of suspended matters in effluent;

6. the mixed liquid reflux system can regulate and control the environmental balance in the tank in real time and improve the impact resistance.

Drawings

FIG. 1 is a schematic sectional view of a variable-speed upflow hydrolysis-acidification reactor of the present invention;

fig. 2 is another schematic sectional view of the variable speed upflow hydrolysis acidification reactor of the present invention.

In the figure: 1. a tank body; 2. a central shaft; 3. a water inlet pipe; 4. a water distribution pipe at the bottom of the pool; 5. a multi-point water absorption reflux device; 6. a main reflux pipe; 7. a reflux pump; 8. a flow meter; 9. a water distributor; 10. a variable diameter plug; 11. a water outlet collecting tank; 12. a sludge discharge pipe; 13. a sludge discharge pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a variable-speed upflow hydrolysis acidification reactor comprises a tank body 1, wherein a central vertical shaft 2 is arranged in the center of the tank body 1, the bottom of the central vertical shaft 2 is connected with a sewage inlet pipe 3 and a tank bottom water distribution pipe 4, a water distributor 9 is installed at the top of the tank body 1, the bottom of the water distributor 9 is communicated with the central vertical shaft 2, the water distributor 9 is further connected with a backflow main pipe 6, the other end of the backflow main pipe 6 is connected with a multipoint water absorption backflow device 5 located in the tank body 1, a flow meter 8 is installed on the backflow main pipe 6, a backflow pump 7 is installed inside the backflow main pipe 6, a water distribution port is arranged on the tank bottom water distribution pipe 4, a reducing plug 10 is installed at the tail end of each water distribution port, a water outlet collecting tank 11 is arranged at the top of the tank body 1, a sludge discharge pipe 12 is installed above the tank bottom water distribution pipe 4, and the sludge discharge pipe 12 is.

The central vertical shaft 2 penetrates through the center line of the tank body 1 from top to bottom, and the inside of the central vertical shaft 2 is hollow.

The pipeline system of the pool bottom water distribution pipe 4 is in a tree shape and is evenly distributed on the pool bottom, and the pipeline system is fixed in a support form, so that the phenomenon of uneven water distribution is avoided.

The multi-point water absorption reflux device 5, the reflux main trunk pipe 6, the reflux pump 7 and the flowmeter 8 are fixed through a support to form a mixed liquid reflux system.

The unique mixed liquid backflow system accurately controls the height of a mud bed, changes the rising flow rate of a water body, realizes mud-water separation, prevents the loss of activated sludge and reduces the concentration of suspended matters in effluent.

The mixed liquid reflux system utilizes the siphon principle to inject the refluxed mixed liquid into the bottom of the pool through the central vertical shaft at a high speed, and then the refluxed mixed liquid enters the pool through the water distribution pipe 4 at the bottom of the pool, the high-speed injected water flow can form a strong hydraulic stirring effect, so that muddy water is fully mixed, meanwhile, the tail end of each water distribution port is provided with the reducing plug 10, the high-speed water flow passes through the reducing plug 10, so that negative pressure is formed around the high-speed water flow, water around the water distribution ports is sucked into the high-speed water flow, an annular circulating flow state.

The effluent water collecting tank 11 comprises an effluent tank and a water collecting tank, and a triangular weir plate is arranged on the water collecting tank.

The water collecting tank collects water and then uniformly conveys the water to a water outlet tank outside the tank body, and the water is uniformly collected by the water outlet tank and then discharged out of the system.

The sludge discharge pipe 12 is in a square annular shape, is specifically a perforated pipe, is connected with a sludge discharge pump 13 outside the tank body, and periodically sucks sludge through the sludge discharge pump.

The working principle is as follows: the external sewage is injected into the central shaft 2 through the water inlet pipe 3, and then enters the inside of the tank body through the tank bottom water distribution pipe 4 connected with the shaft 2, the water distribution pipeline system is in a tree shape and is uniformly distributed at the bottom of the tank, the support is fixed, the accurate uniform water distribution system stops the phenomenon of uneven water distribution, the reflux pump 7 is installed inside the reflux main pipe 6, the mixed liquid inside the tank body 1 is pumped back to the water distributor 9 installed at the top of the tank through the multipoint water absorption reflux device 5, the water distributor 9 utilizes the siphon principle to inject the refluxed mixed liquid into the tank bottom through the central shaft 2 at a high speed, the water distribution pipe 4 at the bottom of the tank enters the tank again, and the high-speed injected water flow can form a strong hydraulic stirring. Meanwhile, the tail end of each water distribution port is provided with a reducing plug 10, high-speed water flows pass through the reducing plug 10 to form negative pressure around the water distribution ports, and water around the water distribution ports is sucked into the water distribution ports to form an annular circulating flow state, so that the hydraulic stirring effect is enhanced.

Mechanical stirring is not needed in the whole process, no power consumption is caused, energy is saved, environment is protected, due to the impact of high-speed water flow, the blockage of a water distribution pipeline system is avoided, the height of a mud bed is accurately controlled by a unique mixed liquid backflow system, the ascending flow velocity of a water body is changed, mud-water separation is realized, the loss of activated sludge is prevented, the concentration of effluent suspended matters is reduced, the environment balance in the pool can be regulated and controlled in real time by the mixed liquid backflow system, and the impact resistance is improved.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do 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 thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A variable-speed upflow hydrolysis acidification reactor comprises a tank body (1), wherein a central vertical shaft (2) is arranged in the center of the tank body (1), the central vertical shaft (2) penetrates through the center line of the tank body (1) from top to bottom, the inside of the central vertical shaft (2) is hollow, the bottom of the central vertical shaft (2) is connected with a sewage inlet pipe (3) and a tank bottom water distribution pipe (4), the reactor is characterized in that a pipeline system of the tank bottom water distribution pipe (4) is uniformly distributed on the tank bottom in a tree shape and fixed in a support form, a water distributor (9) is installed at the top of the tank body (1), the bottom of the water distributor (9) is communicated with the central vertical shaft (2), the water distributor (9) is also connected with a reflux main pipe (6), the other end of the reflux main pipe (6) is connected with a multi-point water absorption reflux device (5) positioned in the tank body (1), and a flow, the internal mounting of backward flow trunk (6) has backwash pump (7), be provided with the water distribution mouth on bottom of the pool water distribution pipe (4), the end of every water distribution mouth all is equipped with reducing stopper (10), cell body (1) top is equipped with out water catch bowl (11), sludge discharge pipe (12) are installed to bottom of the pool water distribution pipe (4) top, and sludge discharge pipe (12) are connected with outside sludge discharge pump (13) of cell body (1).

2. A variable speed upflow hydrolytic acidification reactor as in claim 1, wherein: the multi-point water absorption reflux device (5), the reflux main trunk pipe (6), the reflux pump (7) and the flowmeter (8) are fixed through a support to form a mixed liquid reflux system.

3. A variable speed upflow hydrolytic acidification reactor as in claim 1, wherein: the effluent water collecting tank (11) comprises an effluent water tank and a water collecting tank, and a triangular weir plate is arranged on the water collecting tank.

4. A variable speed upflow hydrolytic acidification reactor as in claim 1, wherein: the sludge discharge pipe (12) is in a square ring shape, and is specifically a perforated pipe.

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