CN209537083U - A kind of anaerobic grain sludge culture apparatus - Google Patents

Abstract

This disclosure relates to a kind of anaerobic grain sludge culture apparatus, which includes reactor and the sewage distributor for distributing sewage；The reactor includes shell, the wastewater inlet for being set to the lower part of the housing, the exhaust outlet for being set to the case top and the discharge outlet for being set to upper part of the housing and dosing mouth, and the discharge outlet is set to above the dosing mouth；The sewage distributor, which is set to the lower part of the reactor and the inner space of reactor is divided into the sludge being located above, forms area and underlying sludge collecting region, the sludge forms area and is connected to the sludge collecting region, the water inlet of the sewage distributor is connected to the wastewater inlet of the lower part of the housing, and the water outlet of the sewage distributor is towards the sludge collecting region.Using the period of the device culture granule sludge of the disclosure is short, granule sludge performance is stable, impact resistance is good.

Description

A kind of anaerobic grain sludge culture apparatus

Technical field

This disclosure relates to environment protection field, and in particular, to a kind of anaerobic grain sludge culture apparatus.

Background technique

In recent years, anerobic sowage treatment technology development is very rapid, and various new processes, new method continuously emerge.Anaerobism is dirty The organic matter that water process can cannot degrade aerobic microbiological carries out degradation or Partial digestion, wherein anaerobic grain sludge is Restrict the key of Anaerobic Methods in Treating development.Anaerobic grain sludge is achieved by a variety of factors during the cultivation process, existing training The granule sludge cultivation cycle for the technology of supporting is long, and culture efficiency is low.

Utility model content

The purpose of the disclosure is to overcome existing granule sludge culture apparatus culture granule sludge period length, culture efficiency Low problem provides a kind of anaerobic grain sludge culture apparatus.

To achieve the goals above, the disclosure provides a kind of anaerobic grain sludge culture apparatus, which includes reactor With the sewage distributor for distributing sewage；

The reactor includes shell, the wastewater inlet for being set to the lower part of the housing, is set to the case top Exhaust outlet and the discharge outlet and dosing mouth for being set to upper part of the housing, the discharge outlet are set to above the dosing mouth；

The sewage distributor is set to the lower part of the reactor and the inner space of reactor is divided into positioned at upper The sludge of side is formed and underlying sludge collecting region, and the sludge forms area and is connected to the sludge collecting region, the dirt The water inlet of water dispenser is connected to the wastewater inlet of the lower part of the housing, and the water outlet of the sewage distributor is towards the dirt Mud collecting region.

Optionally, the bottom of the sewage distributor between the bottom of the reactor at a distance from account for the height for reactor Ratio be 0.1-0.4；

The ratio that distance between the dosing mouth and the reactor bottom accounts for the height for reactor is 0.6-0.8；

The ratio that distance between the discharge outlet and the reactor bottom accounts for the height for reactor is 0.85-0.9.

Optionally, the sewage distributor includes along axial horizontally disposed water distribution supervisor and along axial horizontally disposed one Root or more range pipes；

The water distribution supervisor is closed at one end, and the other end is provided with the water inlet of the sewage distributor；

Described range pipe one end is connected to the tube wall that the water distribution is responsible for along axially vertical, and the other end is closed freedom End；

The water outlet of the sewage distributor is set to the bottom wall of the range pipe.

Optionally, the bottom of the reactor is provided with the collection device of the granule sludge for collecting generation, the receipts Acquisition means are removably attachable to the bottom of the reactor, and the collection device is connected to the sludge collecting region.

Optionally, described device further includes water inlet pipe and the water pump that is set on the water inlet pipe, the water inlet pipe and institute State the wastewater inlet connection of lower part of the housing.

Optionally, described device further includes being set to first on the water inlet pipe be used to prevent sewage from flowing backwards from reactor Check valve.

Optionally, described device further includes chemical feed pipe, and the chemical feed pipe is connected to the dosing mouth, is set on the chemical feed pipe It is equipped with for preventing sewage from flowing backwards second one-way valve from reactor.

Optionally, the chemical feed pipe includes one section of chemical feed pipe, two sections of chemical feed pipes and three sections of chemical feed pipes；

One section of chemical feed pipe is located at the outside of the reactor and is vertically arranged, two sections of chemical feed pipe ecto-entads from The dosing mouth protrudes into the reactor, three sections of chemical feed pipes the reactor inside and along the inner walls to One end of lower extension, two sections of chemical feed pipes is connected to the lower end of one section of chemical feed pipe, the other end and three sections of chemical feed pipes Upper end connection.

Optionally, be provided with dosing funnel on one section of chemical feed pipe, the cone tip part of the dosing funnel with described one section The upper end opening of chemical feed pipe is connected to.

Optionally, described device further includes the heating and heat-insulating device being set to outside the reactor.

Through the above technical solutions, sewage is introduced in reactor by the sewage distributor for being set to reactor lower part, and make Sewage is contacted with the granule sludge in reactor sludge collecting region downwards, is being avoided sewage to wash away as far as possible and is being disturbed sludge collection It adsorbs the particle in sewage first by granule sludge to cultivate, then sewage uplink is formed with sludge The granule sludge that area is settled down, which continues counter current contacting, makes particle in sewage further be adsorbed culture, to improve absorption Culture efficiency shortens the culturing sludge period, reduces particle content in reactor head draining, and prepared anaerobic grain is dirty Mud performance is stable, impact resistance is good.

Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:

Fig. 1 is a kind of structural schematic diagram of the specific embodiment for the anaerobic grain sludge culture apparatus that the disclosure provides.

Fig. 2 is a kind of structural schematic diagram of the specific embodiment for the sewage distributor that the disclosure provides.

Description of symbols

1 water inlet pipe, 2 water pump, 3 first check valve

4 sewage distributor, 5 collection device

6 shell, 61 sludge forms 62 sludge collecting region of area

7 dosing mouth, 8 second one-way valve, 9 discharge outlet

10 exhaust outlet, 11 dosing funnel, 12 water distribution supervisor

13 range pipes

Specific embodiment

It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to the disclosure Device it is upper and lower when can be used normally；Term " first ", " second " are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic.

As shown in Figure 1, the disclosure provides a kind of anaerobic grain sludge culture apparatus, which includes reactor and is used to divide Sewage distributor 4 with sewage.

Reactor include shell 6, the wastewater inlet for being set to 6 lower part of shell, the exhaust outlet 10 for being set to the top of shell 6, And it is set to the discharge outlet 9 and dosing mouth 7 on 6 top of shell, the discharge outlet 9 is set to 7 top of dosing mouth.

Sewage distributor 4 is set to the lower part of reactor and the inner space of reactor is divided into the sludge being located above Area 61 and underlying sludge collecting region 62 are formed, sludge forms area 61 and is connected to sludge collecting region 62, sewage distributor 4 Water inlet is connected to the wastewater inlet of 6 lower part of shell, and the water outlet of sewage distributor 4 is towards sludge collecting region 62.

Disclosure device usage mode is as follows: sewage introduces reactor by the sewage distributor 4 for being set to reactor lower part It is interior, and be first downwardly into sludge collecting region 62 and once adsorbed by the granule sludge in sludge collecting region 62, then sewage Inhale the particulate matter in sewage further with the granule sludge counter current contacting for forming sedimentation downlink in area from sludge upwards Attached culture improves granule sludge in the case where avoiding sewage to wash away as far as possible and disturbing granule sludge in sludge collecting region 62 The efficiency of culture, shortens cultivation cycle.According to the needs of culture, medical fluid, medicine can be injected into reactor by dosing mouth 7 On the one hand liquid provides nutrition for granule sludge, on the other hand the particle in sewage can be accelerated to settle into sludge collecting region, And sewage and medical fluid be in the inside counter current contacting of reactor so that the haptoreaction of sewage and medical fluid more it is abundant efficiently, into One step improves the efficiency of granule sludge culture, shortens cultivation cycle, and enables the performance stabilization of the granule sludge of culture, resistance to punching It hits functional.Temperature in reactor can control between 30-40 DEG C, and pH can control between 6.5-7.5, on sewage The speed risen can control in 0.3-0.5m/h, and the sewage of reactor head is discharged by drainage hole 9, and the gas of generation is then by being vented Hole 10 is discharged.

A kind of embodiment, the drug that dosing mouth 7 is added can be trace element solution, and proportion can be such that with weight Meter, relative to 1000 parts of water, 10-25 parts of Zinc vitriol, four 2-8 parts of chloride hydrate manganese, green vitriol 1- 10 parts, 1-5 parts of cobalt chloride hexahydrate, 1-5 parts of Salzburg vitriol, two molybdic acid hydrates receive 1-10 parts, 20-80 parts of EDTA.If Reactor sludge concentration not enough or sludge be it is cotton-shaped, primary sludge can be added in dosing mouth 7, the sludge for improving reactor is dense Degree.After Granular sludge formation, reactor bottom is sunk to, enters sludge collecting region 62.

As shown in Figure 1, the sewage and medical fluid in order to allow inside reactor keep good reverse flow state, to promote two Person's comes into full contact with reaction, according to the disclosure, the bottom of sewage distributor 4 between the bottom of reactor at a distance from account for reactor height The ratio of degree can be 0.1-0.4；Dosing mouth 7 between reactor bottom at a distance to account for the ratio of height for reactor can be 0.6- 0.8；Discharge outlet 9 between reactor bottom at a distance to account for the ratio of height for reactor can be 0.85-0.9.

Further, for realizing efficient uniform water distribution, connect sewage and the granule sludge of sludge collecting region 62 sufficiently Touching, and granule sludge is promoted to generate, the stability of granule sludge culture is improved, as shown in Fig. 2, sewage distributor 4 may include Along axial horizontally disposed water distribution supervisor 12 and along one or more axial horizontally disposed range pipe 13；Water distribution supervisor 12 1 End seal is closed, and the other end is provided with the water inlet of sewage distributor 4；13 one end of range pipe can be responsible for 12 tube wall edge with water distribution Axially vertical connection, the other end can be closed free end；The water outlet of sewage distributor 4 can be set in range pipe 13 Bottom wall.A kind of specific embodiment of the disclosure, range pipe 13 can be responsible for 12 with water distribution and be fixedly connected；Alternatively, water distribution Branch pipe 13 can be to be threadedly coupled with water distribution supervisor 12, and water flow pressure is excessive in order to prevent causes range pipe 13 to fall off, fix Protection and protection range pipe 13, threaded connection place is also provided with the guard member being sheathed on outside junction.On the other hand, Sewage respectively enters the range pipe 13 being connected to water distribution supervisor 12 after entering water distribution supervisor 12 again, and by the bottom of range pipe 13 Downward aperture, which carries out water distribution, on wall can have following effect: can make in reactor that sewage integrally flow to first is from sludge Collecting region 62 flows to sludge and forms area 61, and keeps water flow upflow velocity gentle, reduces impact load, energy dissipating；Secondly, improving Dispersion effect of the sewage in sludge collecting region 62 improves the adsorption effect of particle in sewage, shortens incubation time, reduces dirt Water to the granule sludge of formation wash away and perturbation action；Meanwhile aperture avoids downwards settling of granular sludge blocking water distribution branch The aperture of pipe 13.What the open-cellular form of range pipe 13 can routinely use for those skilled in the art, such as can be Tri-angle-holed, this will not be repeated here for other forms.

As shown in Figure 1, the collection device 5 of the granule sludge for collecting generation can be set in the bottom of reactor, collect Device 5 can be removably attachable to the bottom of reactor, and collection device 5 can be connected to sludge collecting region 62.The disclosure A kind of specific embodiment, collection device 5 can be the open collecting tank in top, and the bottom of reactor can offer material leakage Hole, sludge collecting tank are connected to sludge collecting region 62 by material spilling hole, the dirt that collecting tank can will be leaked down by sludge collecting region 62 Mud collects storage.Wherein, it is upward and detachably connected with the bottom of reactor to collect the top of channel opening, such as can be spiral shell Line connection is clamped, and be can according to need setting on material spilling hole or is not provided with the seal member such as valve, is convenient for collecting tank It removes to realize and carry out centralized recovery processing to the granule sludge being collected into.

In order to accurately regulate and control the flow of sewage in reactor, which can also include water inlet pipe 1 and be set to water inlet pipe 1 On water pump 2, water inlet pipe 1 can be connected to the wastewater inlet of 6 lower part of shell.Wherein, water pump 2 can with strict control sewage into Water flow can cause sewage upflow velocity in reactor too fast to avoid flow of inlet water is excessive, by granule sludge and unreacted Medical fluid takes out of and the problem that reduces reaction efficiency, cause reaction unit energy consumption high；Can also be too small to avoid flow in reactor, instead Answer problem that is insufficient and causing granule sludge cultivation cycle long.

According to the disclosure, which can also include being set on water inlet pipe 1 for preventing sewage from flowing backwards from reactor First check valve 3, wherein the check valve that the first check valve 3 routinely uses for those skilled in the art is not done superfluous herein It states.First check valve 3 can effectively prevent sewage to flow backwards, and improve the safety and stability of device.

As shown in Figure 1, dosing, raising efficacy of drug administration for convenience, according to the disclosure, which can also include dosing Pipe, chemical feed pipe can be connected to dosing mouth 7, and the second list for preventing sewage from flowing backwards from reactor can be set on chemical feed pipe To valve 8, keep dosing more convenient, the overhead height of chemical feed pipe is preferably higher than the height of discharge outlet 9, can also pass through water pump, mud The equipment such as stock pump carry out dosing.Wherein, the check valve that second one-way valve 8 also routinely uses for those skilled in the art, This is not repeated them here.

A kind of specific embodiment of the disclosure, as shown in Figure 1, chemical feed pipe may include one section of chemical feed pipe, two sections of dosings Pipe and three sections of chemical feed pipes.One section of chemical feed pipe can be located at the outside of reactor and be vertically arranged, and two sections of chemical feed pipes can be by extroversion It is interior to be protruded into reactor from dosing mouth 7, three sections of chemical feed pipes can reactor inside and extended downwardly along 6 inner wall of shell, two One end of section chemical feed pipe is connected to the lower end of one section of chemical feed pipe, and the other end can be connected to the upper end of three sections of chemical feed pipes.Medical fluid by One section of chemical feed pipe flows into two end chemical feed pipes and is finally injected in reactors by three sections of chemical feed pipes, wherein three sections of chemical feed pipes are along shell 6 Wall, which extends downwardly, can guarantee that medical fluid is downward flow direction, be conducive to it and come into full contact with sewage react, shorten granule sludge and train The feeding period.

For the ease of dosing, according to the disclosure, dosing funnel, dosing funnel 11 has been can be set in the upper end of one section of chemical feed pipe Cone tip part can be connected to the upper end opening of one section of chemical feed pipe, dosing funnel can be added at one time a certain amount of medical fluid, mention High efficacy of drug administration, and prevent medical fluid from spilling, the highly preferred height higher than discharge outlet 9 of dosing funnel.

Further, according to the disclosure, granule sludge culture needs stationary temperature, in order to make in reactor up to culture Temperature needed for grain sludge, and keep temperature constant, according to the disclosure, which can also include being set to outside reactor Heating and heat-insulating device.Wherein, heating and heat-insulating device can be the heating mantle being sheathed on outside reactor or be wound in outside reactor The heating tape in portion is inserted with thermocouple in reactor, thus according to the temperature feedback of thermocouple by reactor temperature control System improves the efficiency of culture at 30-40 DEG C.

The disclosure will be further illustrated by embodiment below, but therefore the disclosure is not any way limited.

Embodiment

Sewage enters reactor by water pump 2 and check-valves 3 from water inlet pipe 1, is matched by the downward sewage distributor 4 of nozzle Water.After sewage enter reactor, trace element solution and sludge are added by dosing mouth 7, control the temperature and pH value of reactor, And the upflow velocity of sewage is controlled, sewage is flowed out from discharge outlet 9.In the reactor continuous operation stage, the gas of generation is from exhaust Mouth 10 is discharged.The temperature control of reactor is at 38 DEG C, and 7, upflow velocity is controlled in 0.5m/h for pH value control.Add in dosing mouth 7 Enter trace element solution, comprising: 1000 parts of water, 17 parts of Zinc vitriol, four 5 parts of chloride hydrate manganese, green vitriol 7 Part, 3 parts of cobalt chloride hexahydrate, 3 parts of Salzburg vitriol, two molybdic acid hydrates receive 5 parts, EDTA20 parts.If the dirt in reactor Mud concentration not enough or sludge be it is cotton-shaped, dosing mouth 7 be added primary sludge, improve the sludge concentration of reactor.Granule sludge shape Cheng Hou sinks to reactor bottom, enters granule sludge collection device 5.

The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.

In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (10)

1. a kind of anaerobic grain sludge culture apparatus, which is characterized in that the device includes reactor and the dirt for distributing sewage Water dispenser (4)；

The reactor includes shell (6), the wastewater inlet for being set to the shell (6) lower part, is set to the shell (6) top The exhaust outlet (10) in portion and the discharge outlet (9) and dosing mouth (7) for being set to shell (6) top, discharge outlet (9) setting Above the dosing mouth (7)；

The sewage distributor (4) is set to the lower part of the reactor and is divided into the inner space of reactor and is located above Sludge form area (61) and underlying sludge collecting region (62), sludge formation area (61) and the sludge collecting region (62) it is connected to, the water inlet of the sewage distributor (4) is connected to the wastewater inlet of the shell (6) lower part, the sewage point The water outlet of orchestration (4) is towards the sludge collecting region (62).

2. the apparatus according to claim 1, which is characterized in that the bottom of the sewage distributor (4) and the reactor Bottom between distance account for the height for reactor ratio be 0.1-0.4；

The dosing mouth (7) between the reactor bottom at a distance from account for the height for reactor ratio be 0.6-0.8；

The discharge outlet (9) between the reactor bottom at a distance from account for the height for reactor ratio be 0.85-0.9.

3. device according to claim 1 or 2, which is characterized in that the sewage distributor (4) includes setting along axial level The water distribution set is responsible for (12) and along one or more axial horizontally disposed range pipe (13)；

The water distribution supervisor (12) is closed at one end, and the other end is provided with the water inlet of the sewage distributor (4)；

The tube wall that described range pipe (13) one end is responsible for (12) with the water distribution is connected to along axially vertical, and the other end is closed Free end；

The water outlet of the sewage distributor (4) is set to the bottom wall of the range pipe (13).

4. the apparatus according to claim 1, which is characterized in that the bottom of the reactor is provided with for collecting generation The collection device (5) of granule sludge, the collection device (5) are removably attachable to the bottom of the reactor, the collection Device (5) is connected to the sludge collecting region (62).

5. the apparatus according to claim 1, which is characterized in that described device further includes water inlet pipe (1) and is set to described Water pump (2) on water inlet pipe (1), the water inlet pipe (1) are connected to the wastewater inlet of the shell (6) lower part.

6. device according to claim 5, which is characterized in that described device further includes being set on the water inlet pipe (1) The first check valve (3) for preventing sewage from flowing backwards from reactor.

7. the apparatus according to claim 1, which is characterized in that described device further includes chemical feed pipe, the chemical feed pipe and institute Dosing mouth (7) connection is stated, the second one-way valve (8) for preventing sewage from flowing backwards from reactor is provided on the chemical feed pipe.

8. device according to claim 7, which is characterized in that the chemical feed pipe includes one section of chemical feed pipe, two sections of chemical feed pipes With three sections of chemical feed pipes；

One section of chemical feed pipe is located at the outside of the reactor and is vertically arranged, and two sections of chemical feed pipe ecto-entads are from described Dosing mouth (7) protrudes into the reactor, three sections of chemical feed pipes reactor inside and along the shell (6) inner wall it is downward Extend, one end of two sections of chemical feed pipes is connected to the lower end of one section of chemical feed pipe, the other end and three sections of chemical feed pipes Upper end connection.

9. device according to claim 8, which is characterized in that the upper end of one section of chemical feed pipe is provided with dosing funnel, The cone tip part of the dosing funnel (11) is connected to the upper end opening of one section of chemical feed pipe.

10. the apparatus according to claim 1, which is characterized in that described device further includes being set to outside the reactor Heating and heat-insulating device.