CN215403352U

CN215403352U - UASB reactor applied to abamectin production wastewater treatment process

Info

Publication number: CN215403352U
Application number: CN202122157623.8U
Authority: CN
Inventors: 陈来福; 瞿亚丽; 陈小奇; 余倍
Original assignee: Hunan CRRC Environmental Engineering Co Ltd
Current assignee: Hunan CRRC Environmental Engineering Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-04
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a UASB reactor applied to an abamectin production wastewater treatment process, which comprises a reaction container, a water inlet pipe component, a sludge bed, a blocking device, a three-phase separator and a gas collecting chamber, the blocking device comprises a mounting plate and a plurality of blocking units, the mounting plate is horizontally arranged in the reaction vessel, the blocking unit comprises a bracket, an upper matching component and a lower matching component, the upper matching component comprises a fixing ring, a central buckle cover and an upper buckle ring, the opening of the central buckle cover is downward, a liquid passing channel is formed between the central buckle cover and the upper buckle ring and between the upper buckle ring and the fixing ring, the lower matching assembly comprises lower retaining rings which are arranged corresponding to the liquid passing channels in number, the liquid passing channels are inserted into the second annular groove, and a gap communicated with the liquid passing channels is formed between the lower retaining rings and the upper retaining rings. Compared with the prior art, the utility model can effectively reduce the consumption rate of the sludge.

Description

UASB reactor applied to abamectin production wastewater treatment process

Technical Field

The utility model relates to a UASB reactor, in particular to a UASB reactor applied to an abamectin production wastewater treatment process.

Background

The abamectin production wastewater is novel pharmaceutical wastewater which appears in recent years, has the characteristics of high organic matter load, high viscosity, pungent smell, unstable water quality and water quantity and the like, has certain toxicity and difficult biodegradation, and belongs to industrial wastewater which is difficult to treat. At present, the treatment technology of the abamectin production wastewater in China has obtained certain research achievements, and the overall treatment idea mainly comprises three types: firstly, advanced oxidation technologies such as ozone, electrochemistry and the like are adopted as pretreatment, the toxicity of the wastewater is reduced, the biodegradability of the wastewater is improved, and then a biochemical treatment process is carried out, and the wastewater is discharged after reaching the standard; secondly, directly and independently adopting a high-efficiency anaerobic or anaerobic and aerobic combined process to treat the abamectin wastewater, and discharging the abamectin wastewater after reaching the standard; thirdly, after adopting the high-efficiency anaerobic and aerobic combined process, the effluent is subjected to advanced treatment and is discharged after reaching the standard. In the process of wastewater treatment, a UASB reactor is needed, and the sludge is consumed very quickly because a sludge blocking device is not arranged in the working process of the conventional UASB reactor, so that the wastewater treatment cost is increased. In view of the above, the inventor of the present application has made intensive studies to obtain a UASB reactor applied to a process for treating wastewater from avermectin production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a UASB reactor applied to an abamectin production wastewater treatment process, which can effectively reduce the consumption rate of sludge.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a be applied to UASB reactor of abamectin waste water treatment process, includes reaction vessel, water inlet pipe subassembly, sludge blanket, blocking device, three-phase separator and air collecting chamber, be equipped with water inlet and delivery port on the reaction vessel, water inlet pipe subassembly, sludge blanket, blocking device, three-phase separator and air collecting chamber set gradually from bottom to top, blocking device includes mounting panel and a plurality of unit that blocks, the mounting panel level is located in the reaction vessel, be equipped with the one-to-one on the mounting panel a plurality of mounting holes that block the unit setting, block the unit and include the support, go up cooperation subassembly and cooperate the subassembly down, it includes solid fixed ring, central buckle cover and last buckle ring to go up the cooperation subassembly, the opening that covers is down detained at the center, be equipped with first annular groove on the lower surface of going up the buckle, go up the buckle and encircle the center buckle the cover setting, the fixing ring surrounds the upper retaining ring, the fixing ring is arranged in the mounting hole, liquid passing channels are formed between the central buckle cover and the upper retaining ring and between the upper retaining ring and the fixing ring, the lower matching assembly comprises lower retaining rings which are arranged corresponding to the number of the liquid passing channels, second annular grooves are formed in the upper surfaces of the lower retaining rings, the liquid passing channels are inserted into the second annular grooves, gaps communicated with the liquid passing channels are formed between the lower retaining rings and the upper retaining rings, and the support is connected with the fixing ring, the central buckle cover, the upper retaining ring and the lower retaining ring.

In a preferred embodiment, the number of the upper retaining rings is at least two, and the liquid passing channel is also formed between the adjacent upper retaining rings.

In a preferred embodiment, a first thread is arranged on the wall of the mounting hole, a second thread is arranged on the upper portion of the outer side wall of the fixing ring, and the first thread is matched with the second thread.

In a preferred embodiment, the upper edge of the hole wall of the mounting hole is provided with an abutting step, and the upper end of the fixing ring abuts against the abutting step.

In a preferred embodiment, the support comprises a support body and a connecting rod group which is arranged corresponding to the lower retaining ring one by one, the connecting rod group at least comprises two vertical rods, the upper ends of the vertical rods are connected with the support body, the lower ends of the vertical rods penetrate through the liquid passing channel and then are connected with the lower retaining ring, and the support body is connected with the fixing ring, the central retaining cover and the upper retaining ring.

In a preferred embodiment, the frame body comprises a first cross bar and a second cross bar, and the first cross bar and the second cross bar are connected with each other to form a cross shape.

Compared with the prior art, the UASB reactor applied to the abamectin production wastewater treatment process is provided, when the UASB reactor works, a water inlet pipe assembly enters a reaction container, flows upwards in the reaction container, sequentially passes through a sludge bed, a blocking device and a three-phase separator to complete the treatment process, and the blocking device blocks an ascending route of sludge, so that the rapid loss of the sludge can be effectively avoided, and the consumption rate of the sludge is reduced.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a UASB reactor applied to the treatment process of abamectin production wastewater.

FIG. 2 is a schematic structural diagram of a blocking device of a UASB reactor which is applied to an abamectin production wastewater treatment process and is obliquely seen downwards.

FIG. 3 is a schematic structural diagram of a blocking device of a UASB reactor, which is applied to the abamectin production wastewater treatment process and is seen obliquely upwards.

FIG. 4 is a schematic diagram of the structure of the longitudinal section of a blocking unit of a UASB reactor applied to the treatment process of abamectin production wastewater.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the drawings

A reaction vessel 1; a water inlet pipe assembly 2; a sludge bed 3; a three-phase separator 4; a gas collection chamber 5; a blocking device 6; a mounting plate 7; a mounting hole 8; abutting against the step 9; a fixed ring 10; a center buckle cover 11; an upper retaining ring 12; a first annular groove 13; a lower retaining ring 14; a second annular groove 15; a liquid passing channel 16; a vertical rod 17; a first cross bar 18; a second cross bar 19.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

As shown in fig. 1 to 5, a UASB reactor applied to a wastewater treatment process in avermectin production comprises a reaction vessel 1, a water inlet pipe assembly 2, a sludge bed 3, a blocking device 6, a three-phase separator 4 and a gas collecting chamber 5, wherein the reaction vessel 1 is provided with a water inlet and a water outlet, the water inlet pipe assembly 2, the sludge bed 3, the blocking device 6, the three-phase separator 4 and the gas collecting chamber 5 are sequentially arranged from bottom to top, the blocking device 6 comprises a mounting plate 7 and a plurality of blocking units, the mounting plate 7 is horizontally arranged in the reaction vessel 1, the mounting plate 7 is provided with a plurality of mounting holes 8 corresponding to the plurality of blocking units one by one, the blocking units comprise a bracket, an upper matching assembly and a lower matching assembly, the upper matching assembly comprises a fixing ring 10, a center buckle cover 11 and an upper buckle ring 12, the center buckle cover 11 has a downward opening, the lower surface of the upper retaining ring 12 is provided with a first annular groove 13, the upper retaining ring 12 is arranged around the central retaining cover 11, the fixing ring 10 is arranged around the upper retaining ring 12, the fixing ring 10 is arranged in the mounting hole 8, liquid passing channels 16 are formed between the central retaining cover 11 and the upper retaining ring 12 and between the upper retaining ring 12 and the fixing ring 10, the lower matching assembly comprises lower retaining rings 14 which are arranged corresponding to the liquid passing channels 16 in number, the upper surface of the lower retaining ring 14 is provided with a second annular groove 15, the liquid passing channels 16 are inserted into the second annular groove 15, gaps communicated with the liquid passing channels 16 are formed between the lower retaining rings 14 and the upper retaining ring 12, and the support is connected with the fixing ring 10, the central retaining cover 11, the upper retaining ring 12 and the lower retaining ring 14.

The utility model provides a UASB reactor applied to an abamectin production wastewater treatment process, wherein when in work, a water inlet pipe assembly 2 enters a reaction container 1, flows upwards in the reaction container 1, sequentially passes through a sludge bed 3, a blocking device 6 and a three-phase separator 4 to complete a treatment process, and the blocking device 6 blocks an ascending route of sludge, so that the rapid loss of the sludge can be effectively avoided, and the consumption rate of the sludge is reduced.

The installation plate 7 is provided with a plurality of blocking units, which can avoid the problem of inconvenient installation caused by the arrangement of a single blocking unit with larger volume, simultaneously can ensure enough flow, avoid the blocking device 6 from generating excessive influence on the flow and influencing the working efficiency,

in order to further ensure sufficient flow, the number of the upper retaining rings 12 is at least two, and the liquid passing channel 16 is also formed between the adjacent upper retaining rings 12, so that a sufficient number of liquid passing channels 16 can be formed to ensure good water flow passing capacity.

In order to facilitate the installation of the blocking unit, a first thread is arranged on the hole wall of the installation hole 8, a second thread is arranged on the upper portion of the outer side wall of the fixing ring 10, and the first thread is matched with the second thread.

In order to further facilitate the installation of the blocking unit, the upper edge of the hole wall of the installation hole 8 is provided with an abutting step 9, the upper end of the fixing ring 10 abuts against the abutting step 9, and the abutting step 9 is arranged so that a worker can directly judge whether the blocking unit is installed in place.

Specifically, the support includes support body and one-to-one the connecting rod group that lower buckle 14 set up, connecting rod group includes two montants 17 at least, the upper end of montant 17 is connected the support body, the lower extreme passes connect behind the liquid passageway 16 lower buckle 14, the support body is connected fixed ring 10, center are detained and are covered 11 and go up buckle 12, have fixed ring 10, center through the support and detained the relative position of covering 11 and last buckle 12.

Specifically, the frame body comprises a first cross bar 18 and a second cross bar 19, the first cross bar 18 and the second cross bar 19 are connected with each other to form a cross shape, and the frame body mainly realizes the fixation of the fixing ring 10, the center buckle cover 11 and the upper buckle ring 12.

The support, the lower retaining ring 14, the fixing ring 10, the central retaining cover 11 and the upper retaining ring 12 can be connected in a bolt arrangement mode.

The foregoing description of the embodiments is provided to facilitate an understanding and use of the utility model and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. The utility model provides a be applied to UASB reactor of abamectin waste water treatment process, a serial communication port, including reaction vessel, water inlet pipe assembly, sludge blanket, blocking device, three-phase separator and air collecting chamber, last water inlet and the delivery port of being equipped with of reaction vessel, water inlet pipe assembly, sludge blanket, blocking device, three-phase separator and air collecting chamber set gradually from bottom to top, blocking device includes mounting panel and a plurality of unit that blocks, the mounting panel level is located in the reaction vessel, be equipped with the one-to-one on the mounting panel a plurality of mounting holes that a plurality of unit that block set up, block the unit and include the support, go up cooperation subassembly and cooperate the subassembly down, it includes solid fixed ring, central buckle cover and last buckle ring to go up the cooperation subassembly, the opening that the cover was detained to the center is down, be equipped with first annular groove on the lower surface of going up the buckle, it encircles the cover setting is detained at the center, the fixing ring surrounds the upper retaining ring, the fixing ring is arranged in the mounting hole, liquid passing channels are formed between the central buckle cover and the upper retaining ring and between the upper retaining ring and the fixing ring, the lower matching assembly comprises lower retaining rings which are arranged corresponding to the number of the liquid passing channels, second annular grooves are formed in the upper surfaces of the lower retaining rings, the liquid passing channels are inserted into the second annular grooves, gaps communicated with the liquid passing channels are formed between the lower retaining rings and the upper retaining rings, and the support is connected with the fixing ring, the central buckle cover, the upper retaining ring and the lower retaining ring.

2. The UASB reactor applied to wastewater treatment process in avermectin production according to claim 1, wherein the number of the upper retaining rings is at least two, and the liquid passing channel is formed between the adjacent upper retaining rings.

3. The UASB reactor applied to abamectin production wastewater treatment process of claim 1, wherein the hole wall of the mounting hole is provided with a first thread, the upper part of the outer side wall of the fixing ring is provided with a second thread, and the first thread is matched with the second thread.

4. The UASB reactor applied to the abamectin production wastewater treatment process of claim 3, wherein the upper edge of the hole wall of the mounting hole is provided with an abutting step, and the upper end of the fixing ring abuts against the abutting step.

5. The UASB reactor as claimed in claim 1, wherein the support comprises a frame body and a connecting rod set corresponding to the lower retaining ring one by one, the connecting rod set comprises at least two vertical rods, the upper end of each vertical rod is connected to the frame body, the lower end of each vertical rod passes through the liquid passing channel and then is connected to the lower retaining ring, and the frame body is connected to the fixing ring, the central retaining cover and the upper retaining ring.

6. The UASB reactor applied to the abamectin production wastewater treatment process of claim 5, wherein the frame body comprises a first cross rod and a second cross rod, and the first cross rod and the second cross rod are connected with each other to form a cross shape.