CN216403948U - Biochemical device of type of deposiing - Google Patents
Biochemical device of type of deposiing Download PDFInfo
- Publication number
- CN216403948U CN216403948U CN202123317806.8U CN202123317806U CN216403948U CN 216403948 U CN216403948 U CN 216403948U CN 202123317806 U CN202123317806 U CN 202123317806U CN 216403948 U CN216403948 U CN 216403948U
- Authority
- CN
- China
- Prior art keywords
- central guide
- sludge
- tank body
- guide cylinder
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model provides a sedimentation type biochemical device, which relates to the technical field of sewage treatment equipment and comprises a pool body, wherein a conical bottom mud bucket is arranged at the position close to the lower end of the pool body, a water inlet is arranged on the pool body, and a central guide cylinder and a gas stripping sludge pipe are arranged in the pool body; the water inlet is communicated with the central guide cylinder, and the height of the top end of the central guide cylinder is higher than the liquid level in the tank body; the upper end of the air-stripping sludge pipe extends into the central guide cylinder, and the lower end of the air-stripping sludge pipe is suspended and extends to the position close to the bottom of the conical bottom sludge hopper; according to the utility model, the activated sludge is stripped to the central guide cylinder through the stripping sludge pipe and then is mixed with the sewage from the water inlet and then descends, so that the activated sludge is subjected to stripping and sedimentation reciprocating circulation to realize biochemical treatment, the biochemical treatment and sludge-water separation can be realized in the same tank body, the occupied space of the whole tank is small, the investment cost of the device is saved, and the operation and management are simple.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a precipitation type biochemical device.
Background
In a traditional sewage treatment biochemical system, particularly a hydrolysis acidification tank, an anaerobic tank and a denitrification tank, the problems of mixing of activated sludge and sewage to be treated, separation and precipitation of the treated sewage and the activated sludge and backflow of the precipitated residual sludge are involved. For example, the hydrolysis acidification tank (including an anaerobic tank) is combined with a sedimentation tank and a reflux pump, and the reflux pump pumps the activated sludge precipitated in the primary sedimentation tank back to the hydrolysis acidification tank; a submersible stirrer or perforating aeration is needed to be arranged in the hydrolysis acidification tank to realize the mixing and mass transfer of the mud and the water. The use of fillers in biochemical systems, although the settling tank can be eliminated, has problems with insufficient concentration and total amount of activated sludge and still requires submersible agitators or perforating aeration.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a sedimentation type biochemical device which can carry out biochemical treatment and sludge-water separation sedimentation on sewage without a sedimentation tank, a reflux pump and a submersible stirrer.
(II) technical scheme
In order to solve the technical problems, the utility model provides a sedimentation type biochemical device, which comprises a tank body, wherein a conical bottom mud bucket is arranged at the position close to the lower end of the tank body, a water inlet is arranged on the tank body, a central guide cylinder and an air-lift sludge pipe are arranged in the tank body, and the air-lift sludge pipe is used for air-lifting activated sludge at the bottom of the conical bottom mud bucket into the central guide cylinder; the water inlet is communicated with the central guide cylinder, the height of the top end of the central guide cylinder is higher than that of the liquid level in the tank body, and the gas part from the gas stripping sludge pipe can be discharged to the outside through the gas outlet at the top end of the central guide cylinder; the upper end of the air-stripping sludge pipe extends into the central guide cylinder, and the lower end of the air-stripping sludge pipe is suspended and extends to the position close to the bottom of the conical bottom sludge hopper. The top end of the central guide cylinder is provided with an exhaust port, and the height of the exhaust port is higher than that of the liquid level. In the traditional sewage treatment biochemical system, devices such as sedimentation, stirring, aeration and the like need to be arranged, the whole system is provided with a plurality of devices, the occupied space is large, and the design cost is high; the device saves the equipment such as a sedimentation tank, a reflux pump, a submersible stirrer and the like which are required to be equipped in the traditional hydrolysis acidification tank, saves the investment cost and has small overall occupied space.
Furthermore, a water outlet cofferdam is arranged at the upper part of the tank body, and a water outlet corresponding to the water outlet cofferdam is arranged on the tank body. The height of the top end of the central guide shell is higher than that of the upper end surface of the water outlet cofferdam.
Further, sewage enters the inside of the central guide cylinder through the water inlet, and the central guide cylinder is positioned in the center of the pool body.
Further, a sludge discharge port is formed at the bottom of the conical bottom sludge hopper; the bottom of the cone bottom mud bucket is provided with a mud discharging area, and the mud discharging port is arranged at the side end or the bottom of the mud discharging area.
Further, the gas stripping sludge pipe is connected with an external gas source device through a gas inlet pipeline, and the gas inlet pipeline is connected with a gas flowmeter and an adjusting valve; and a supporting upright post is arranged at the bottom of the tank body.
Further, the technical scheme also provides a treatment method of the precipitation-type biochemical device, which is realized based on the precipitation-type biochemical device and comprises the following steps: s001, leading the sewage into a central guide flow cylinder 4 of the tank body through a water inlet, and settling activated sludge in the sewage into a cone bottom mud bucket at the bottom of the tank body; s002, through a gas stripping sludge pipe, gas stripping activated sludge into a central guide cylinder in the tank body, mixing the activated sludge with sewage from a water inlet, and then descending, so that the activated sludge is subjected to gas stripping and sedimentation reciprocating circulation to realize biochemical treatment; and S003, discharging the treated sewage clear liquid through a water outlet, and discharging the sludge settled in the cone bottom sludge hopper through a sludge discharge port.
Further, the height of an exhaust port at the top end of the central guide cylinder is higher than the liquid level in the pool body; activated sludge and the introduced gas form a gas-liquid mixture, the gas-liquid mixture is introduced into the central guide cylinder through the gas stripping sludge pipe, and the gas part of the gas mixture is discharged from the top end of the central guide cylinder; the upper end of the air-stripping sludge pipe extends into the central guide cylinder, and the lower end of the air-stripping sludge pipe is suspended and extends to the position close to the bottom of the conical bottom sludge hopper.
Further, the gas stripping sludge pipe is connected with a gas flowmeter and an adjusting valve; and the upper part of the tank body is provided with a water outlet cofferdam corresponding to the water outlet, and a sewage source formed after treatment overflows to the water outlet through the water outlet cofferdam.
(III) advantageous effects
Compared with the prior art, the sedimentation type biochemical device has the following advantages:
1) through arranging the central guide cylinder and the air stripping sludge pipe, the activated sludge is stripped into the central guide cylinder through the air stripping sludge pipe, meanwhile, sewage enters the central guide cylinder through the water inlet, and the sewage and the activated sludge are mixed and settled; thereby realizing biochemical treatment and sludge-water separation in the same tank body.
2) The height of the top of the central guide cylinder is higher than the height of liquid level in the tank body, and gas in the gas-stripping sludge pipe can be discharged through a gas outlet at the top after entering the central guide cylinder, so that the water surface fluctuation at the periphery of the central guide cylinder is not influenced;
3) a sedimentation tank, a reflux pump and a submersible stirrer are omitted, and the investment cost of the device is saved; the whole occupied space is small;
4) the adopted power equipment is few, the running electricity cost is low, and the running management is simple.
Drawings
FIG. 1 is a schematic view showing the structure of a precipitation-type biochemical apparatus according to the present invention;
FIG. 2 is a bottom view of FIG. 1;
wherein: 1 is a tank body, 2 is a cone bottom mud bucket, 3 is a water inlet, 4 is a central guide cylinder, 5 is an air-stripping mud pipe, 6 is a water outlet cofferdam, 7 is a water outlet, 8 is a mud discharging port, 9 is a mud discharging area, 10 is an air inlet pipeline, 11 is a gas flowmeter, 12 is an adjusting valve and 13 is a supporting upright post.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-2, the utility model provides a sedimentation type biochemical device, which comprises a tank body 1, wherein a conical bottom mud bucket 2 is arranged at the lower end of the tank body 1, a water inlet 3 is arranged on the tank body 1, a central guide cylinder 4 and an air-lift sludge pipe 5 are arranged in the tank body 1, and the air-lift sludge pipe 5 is used for lifting activated sludge at the bottom of the conical bottom mud bucket 2 into the central guide cylinder 4; the water inlet 3 is communicated with a central guide cylinder 4, the top height of the central guide cylinder 4 is higher than the liquid level height in the tank body 1, and the gas part from the gas stripping sludge pipe 5 can be discharged to the outside through an exhaust port at the top end of the central guide cylinder 4; the upper end of the air-lift sludge pipe 5 extends into the central guide shell 4, and the lower end thereof is suspended and extends to the position close to the bottom of the cone bottom sludge hopper 2. The sedimentation type biochemical device of the embodiment does not need to be provided with a sedimentation tank, a reflux pump and a submersible stirrer
Wherein, the top end of the central guide cylinder 4 is provided with an exhaust port (not shown in the attached drawing), and the height of the exhaust port is higher than the height of the liquid level, so that the gas from the gas stripping sludge pipe 5 can be discharged out of the central guide cylinder 4 through the exhaust port after entering the central guide cylinder 4, thereby ensuring that the water surface outside the central guide cylinder 4 is calm and has no fluctuation, and the sedimentation separation of sewage and activated sludge is not influenced.
Referring to fig. 1 and 2, a water outlet cofferdam 6 is arranged at the upper part of the tank body 1, and a water outlet 7 corresponding to the water outlet cofferdam 6 is arranged on the tank body 1. The top height of the central guide shell 4 is higher than the height of the upper end surface of the water outlet cofferdam 6. The clear sewage liquid after treatment overflows and is collected by the water outlet cofferdams 6 at the periphery of the upper part of the tank body and then is discharged from the water outlet 7.
Referring to fig. 2, the sewage enters the central draft tube 4 through the water inlet 3, and the central draft tube 4 is located at the center of the tank body 1.
Referring to fig. 1, a sludge discharge port 8 is arranged at the bottom of the conical bottom sludge hopper 2; a sludge discharge area 9 is formed at the bottom of the conical bottom sludge hopper 2, and a sludge discharge port 8 is arranged at the side end or the bottom of the sludge discharge area 9. Referring to fig. 1, a gas stripping sludge pipe 5 is connected with an external gas source device through a gas inlet pipeline 10, and the gas inlet pipeline 10 is connected with a gas flowmeter 11 and a regulating valve 12; the bottom of the tank body 1 is provided with a supporting upright post 13.
The adjusting valve 12 is used for adjusting and controlling the pressure of gas in the gas inlet pipeline 10 and the gas stripping sludge pipe 5, air with pressure enters the gas stripping sludge pipe 5 from the gas inlet pipeline 10, sludge mixed liquid containing activated sludge in the conical bottom hopper 2 is mixed with the air to form a gas-liquid mixture, the density of the gas-liquid mixture is smaller than that of the liquid, the activated sludge can be stripped to enter the central guide cylinder 4 and further mixed and settled with sewage which is accessed from the water inlet 3, and the activated sludge is subjected to gas stripping and settlement reciprocating circulation to realize biochemical treatment; the treated sewage clear liquid is overflowed and collected by the water outlet cofferdam 6 and then is discharged from the water outlet 7.
Example two:
the present embodiment provides a processing method for a sedimentation type biochemical apparatus, which is implemented based on the sedimentation type biochemical apparatus of the first embodiment, and includes the following steps: step S001, leading the sewage into a central guide flow cylinder 4 of the tank body 1 through a water inlet 3, and settling activated sludge in the sewage into a cone bottom mud bucket 2 at the bottom of the tank body 1; s002, through a gas-stripping sludge pipe 5, gas-stripping activated sludge into a central guide cylinder 4 in the tank body 1, mixing the activated sludge with sewage from a water inlet 3, and then descending, so that the activated sludge is subjected to gas stripping and sedimentation reciprocating circulation to realize biochemical treatment; and S003, discharging the treated sewage clear liquid through a water outlet 7, and discharging the sludge settled in the cone bottom sludge hopper 2 through a sludge discharge port 8.
Wherein, the height of the exhaust port at the top end of the central guide cylinder 4 is higher than the liquid level height in the tank body 1; activated sludge and the introduced gas form a gas-liquid mixture, the gas-liquid mixture is introduced into the central guide cylinder 4 through the gas stripping sludge pipe 5, and the gas part of the gas mixture is discharged from the top end of the central guide cylinder 4; the upper end of the air-lift sludge pipe 5 extends into the central guide shell 4, and the lower end thereof is suspended and extends to the position close to the bottom of the cone bottom sludge hopper 2.
The stripping sludge pipe 5 is connected with a gas flowmeter 11 and an adjusting valve 12; the upper part of the tank body 1 is provided with a water outlet cofferdam 6 corresponding to the water outlet 7.
In the embodiment, sewage enters the central guide cylinder 4 through the water inlet 3, the air-lift sludge pipe 5 synchronously air-lifts activated sludge in the cone bottom sludge hopper 2 into the central guide cylinder 4, the activated sludge is mixed with the sewage and then is settled, biochemical treatment is realized through air-lift and settlement reciprocating circulation of the activated sludge, and the treated sewage clear liquid overflows and is collected through the water outlet cofferdam 6 and then is discharged through the water outlet 7.
The sedimentation type biochemical device saves a sedimentation tank, a reflux pump and a submersible mixer, sewage enters the central guide cylinder through the water inlet, simultaneously, activated sludge is air-lifted into the central guide cylinder through the air-lifting sludge pipe, the sewage and the activated sludge are mixed and settled, and biochemical treatment and sludge-water separation can be realized in the same tank body; the investment cost of the device is saved, and the overall occupied space is small; the height of the top of the central guide cylinder is higher than the height of liquid level in the tank body, and gas in the gas-stripping sludge pipe can be discharged through a gas outlet at the top after entering the central guide cylinder, and the water surface fluctuation at the periphery of the central guide cylinder can not be influenced; meanwhile, the treatment method of the precipitation type biochemical device adopts less power equipment, has low running electricity cost and simple running management.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A sedimentation type biochemical device comprises a tank body (1), wherein a conical bottom mud bucket (2) is arranged at the position, close to the lower end, of the tank body (1), and a water inlet (3) is formed in the tank body (1), and is characterized in that a central guide cylinder (4) and a gas stripping sludge pipe (5) are arranged in the tank body (1), the water inlet (3) is communicated with the central guide cylinder (4), and the top end of the central guide cylinder (4) is higher than the liquid level in the tank body (1); the upper end of the air stripping sludge pipe (5) extends into the central guide shell (4), and the lower end of the air stripping sludge pipe is suspended and extends to the position, close to the bottom, of the conical bottom sludge hopper (2).
2. The sedimentation type biochemical apparatus according to claim 1, wherein a water outlet cofferdam (6) is provided at an upper portion of the tank body (1), and a water outlet (7) corresponding to the water outlet cofferdam (6) is provided at the tank body (1).
3. A biochemical device of sedimentation type according to claim 1, wherein the sewage enters the inside of the central guide shell (4) through the water inlet (3).
4. A biochemical apparatus of sedimentation type according to claim 1, wherein the central guide cylinder (4) is located at a central position of the tank body (1).
5. A biochemical device of sedimentation type according to claim 1, wherein the bottom of the conical bottom hopper (2) is provided with a sludge discharge port (8).
6. A biochemical device of sedimentation type according to claim 5, wherein a sludge discharge area (9) is formed at the bottom of the conical bottom hopper (2), and the sludge discharge port (8) is provided at a side end or a bottom position of the sludge discharge area (9).
7. A biochemical installation of the sedimentation type according to claim 1, wherein the stripped sludge pipe (5) is connected to an external gas source device via a gas inlet pipe (10), and the gas inlet pipe (10) is connected to a gas flow meter (11) and a regulating valve (12).
8. A biochemical apparatus of sedimentation type according to claim 1, wherein the bottom of the tank body (1) is provided with a support pillar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317806.8U CN216403948U (en) | 2021-12-27 | 2021-12-27 | Biochemical device of type of deposiing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317806.8U CN216403948U (en) | 2021-12-27 | 2021-12-27 | Biochemical device of type of deposiing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216403948U true CN216403948U (en) | 2022-04-29 |
Family
ID=81287159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123317806.8U Active CN216403948U (en) | 2021-12-27 | 2021-12-27 | Biochemical device of type of deposiing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216403948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084953A (en) * | 2021-12-27 | 2022-02-25 | 宁波上福源环保科技有限公司 | Precipitation type biochemical device and treatment method |
-
2021
- 2021-12-27 CN CN202123317806.8U patent/CN216403948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084953A (en) * | 2021-12-27 | 2022-02-25 | 宁波上福源环保科技有限公司 | Precipitation type biochemical device and treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI472488B (en) | Apparatus and method for biological sewage treatment | |
| CN106242050B (en) | A kind of vertical internal-circulating integrated sewage treating apparatus | |
| CN107459213A (en) | A kind of drum type brake integrated sewage treating apparatus | |
| CN216403948U (en) | Biochemical device of type of deposiing | |
| CN201045130Y (en) | Sludge self-reflux aerobic biological treatment device | |
| CN207435131U (en) | Magnesium method desulfurization waste water efflux oxidation-air supporting device | |
| CN114084953A (en) | Precipitation type biochemical device and treatment method | |
| CN207525100U (en) | A kind of drum type brake integrated sewage treating apparatus | |
| CN107585851A (en) | A jet flow oxidation-air flotation device and method for magnesium desulfurization wastewater | |
| CN206553259U (en) | A kind of pulling flow type membrane aeration biomembrane device | |
| CN212559629U (en) | Secondary sedimentation tank for biogas slurry treatment | |
| CN210215095U (en) | Domestic sewage integrated device | |
| CN209367928U (en) | A kind of energy conservation MBR sewage disposal system | |
| CN209143944U (en) | A kind of sanitary sewage low-consumption high-efficiency integrated treatment unit | |
| CN201021442Y (en) | Water Jet Circulation Membrane Bioreactor | |
| CN213060353U (en) | Vertical circulation small-size integrated sewage treatment plant | |
| CN203238086U (en) | Tower type wastewater bio-treatment device | |
| CN211367327U (en) | Convenient mud-discharging purification tank | |
| CN211847347U (en) | A sewage treatment device with adjustable process and volume | |
| CN217947720U (en) | Air stripping device | |
| CN218810921U (en) | Gas-liquid separation device for pretreating high-concentration organic wastewater by utilizing methane | |
| CN221254221U (en) | Integrated equipment suitable for rural small-size sewage treatment | |
| CN219489732U (en) | Anaerobic loop reactor | |
| CN220745556U (en) | Double-stripping sewage treatment device | |
| CN2672037Y (en) | Sedimentation gas float oil removing tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |