CN220550073U

CN220550073U - Wastewater pretreatment structure

Info

Publication number: CN220550073U
Application number: CN202321915652.9U
Authority: CN
Inventors: 彭莎; 吴敬德; 余林
Original assignee: Lingkezhizao Wuhan Technology Co ltd
Current assignee: Lingkezhizao Wuhan Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-03-01
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a wastewater pretreatment structure which comprises a collecting chamber, an adjusting component, a settling chamber and an adsorption chamber, wherein the collecting chamber is used for containing mixed wastewater, the adjusting component is used for adding an acidic or alkaline additive into the collecting chamber so as to neutralize the acid-base value of the mixed wastewater in the collecting chamber, the settling chamber is positioned on the right side of the collecting chamber and is communicated with the collecting chamber, the settling chamber is provided with a bottom plate which is arranged in a concave-convex manner along the upper and lower directions and is detachably arranged, a water outlet is arranged below a side wall of the settling chamber, which is back to the collecting chamber, the adsorption chamber is positioned on one side of the settling chamber, the inner wall of the adsorption chamber is provided with a water outlet and a water inlet which are arranged along the upper and lower directions at intervals, the water inlet is communicated with the water outlet, and the adsorption chamber is provided with an adsorption structure which is positioned between the water inlet and the water outlet. Such setting can prevent that the suspended solid that deposits from following rivers transmission to the adsorption chamber, and then blocks up the adsorption structure, has guaranteed the treatment effeciency of useless pretreatment of water structure and treatment effect.

Description

Wastewater pretreatment structure

Technical Field

The utility model relates to the technical field of laboratory wastewater treatment, in particular to a wastewater pretreatment structure.

Background

In the living process of chemical experiments, many laboratory wastewater is often generated, the laboratory wastewater is mainly divided into organic wastewater and inorganic wastewater, and the laboratory wastewater is usually acidic, alkaline or toxic, and if the laboratory wastewater is directly discharged without treatment or only through simple treatment, the ecological environment and the Jing kang of human beings can be adversely affected.

Currently, a laboratory wastewater treatment device generally performs acid-base neutralization treatment, then precipitates suspended solids in filtered wastewater, performs biological treatment, material resource chemical treatment and other post-treatment works on the filtered wastewater, for example, CN207361932U discloses a laboratory wastewater purification treatment device, which comprises a sedimentation tank, a filter tank and a purification tank, wherein the sedimentation tank is installed below a workbench, the height of the sedimentation tank is sequentially reduced, a water inlet of the sedimentation tank is communicated with a wastewater discharge port of the workbench, a water outlet of the sedimentation tank is communicated with a water inlet of the filter tank through a primary water outlet pipe, a water outlet of the filter tank is communicated with a water inlet of the purification tank through a secondary water outlet pipe, a drawer type sedimentation net is installed in the sedimentation tank, a drawer type filter screen is installed in the filter tank, a purification separator is installed in the purification tank, a medicine adding port is arranged at the top of the purification tank, and a water purifying tank and a sewage tank are respectively arranged at two sides of the bottom of the purification tank.

However, the existing laboratory wastewater treatment device easily causes precipitated suspended matters to be accumulated at the filtering structure or the adsorption structure, so that the filtering structure or the adsorption structure is blocked, and the wastewater cannot flow to the next treatment device, so that the efficiency and the effect of laboratory wastewater treatment are affected.

Disclosure of Invention

The utility model mainly aims to provide a wastewater pretreatment structure, and aims to solve the problems that the existing laboratory wastewater treatment device is easy to enable precipitated suspended matters to be accumulated at a filtering structure or an adsorption structure and further to block the filtering structure, so that wastewater cannot flow to the next treatment device, and the effect of laboratory wastewater treatment is affected.

To achieve the above object, the present utility model provides a wastewater pretreatment structure comprising:

a collection chamber for holding mixed wastewater;

a conditioning assembly for adding an acidic additive or a basic additive into the collection chamber to neutralize the acid-base value of the wastewater mixed in the collection chamber;

the sedimentation chamber is positioned on the right side of the collection chamber and is communicated with the collection chamber, the sedimentation chamber is provided with a bottom plate, the bottom plate is arranged in a concave-convex manner along the up-down direction and is detachably arranged, and a water outlet is arranged below one side wall of the sedimentation chamber, which is opposite to the collection chamber; the method comprises the steps of,

the adsorption chamber is positioned on one side of the sedimentation chamber, which is opposite to the collection chamber, a water outlet and a water inlet which are arranged along the upper and lower directions at intervals are formed in the inner wall of the adsorption chamber, the water inlet is communicated with the water outlet, an adsorption structure is arranged in the adsorption chamber, and the adsorption structure is positioned between the water inlet and the water outlet.

Optionally, the base plate forms a plurality of concave-convex units disposed in a left-right direction, and each of the concave-convex units includes:

the first plate is arranged in an extending way along the up-down direction; the method comprises the steps of,

the second plate is positioned on the right side of the first plate, the second plate is arranged in a downward inclined mode from left to right, the upper end of the second plate is connected with the upper end of the first plate, and the lower end of the second plate is connected with the lower end of the first plate of the adjacent concave-convex unit.

Optionally, the wastewater pretreatment structure further comprises a coagulant storage tank, wherein the coagulant storage tank is located above the settling chamber and is used for containing coagulant, the coagulant storage tank is communicated with the settling chamber through a first pipeline, and a coagulant metering pump is arranged on the first pipeline.

Optionally, the wastewater pretreatment structure further comprises:

the two ends of the communicating pipeline are respectively connected with the water outlet and the water inlet; the method comprises the steps of,

the filtering structure is arranged in the communication pipeline and is close to the water outlet.

Optionally, the filtering structure is a filter screen, and the middle part of the filter screen is convexly arranged towards the direction of the water inlet.

Optionally, two ends of the communicating pipeline are detachably inserted into the water outlet and the water inlet.

Optionally, the collecting chamber is provided with an acid-base value detection device, and the acid-base value detection device is used for detecting the acid-base value of the wastewater in the collecting chamber.

Optionally, the adjusting assembly includes:

the acid liquor storage tank is positioned above the collecting chamber and is used for containing acid solution, the acid liquor storage tank is communicated with the collecting chamber through a second pipeline, and an acid liquor metering pump is arranged on the second pipeline; the method comprises the steps of,

the alkali liquor storage tank is located above the collecting chamber and avoids the acid liquor storage tank, the alkali liquor storage tank is used for containing alkaline solution, the alkali liquor storage tank is communicated with the collecting chamber through a third pipeline, and an alkali liquor metering pump is arranged on the third pipeline.

Optionally, a medicine adding port is penetrated at the lower part of a side wall of the adsorption chamber opposite to the water inlet;

the wastewater pretreatment structure further comprises a heavy metal trapping agent storage tank, the heavy metal trapping agent storage tank is located on one side, opposite to the settling chamber, of the adsorption chamber and used for storing heavy metal trapping agents, the heavy metal trapping agent storage tank is communicated with the dosing port through a fourth pipeline, and a trapping agent metering pump is arranged on the fourth pipeline.

Optionally, the adsorption structure is provided with a plurality of adsorption plates which are arranged at intervals along the up-down direction, and a plurality of through holes which extend along the up-down direction are formed in each adsorption plate in a penetrating way.

According to the technical scheme provided by the utility model, various waste water is mixed in the collecting chamber, the adjusting component adjusts the acid additive or the alkaline additive in the collecting chamber so as to adjust the acid-base value of the mixed waste water in the collecting chamber to be in a range of 5 to 7, the adjusted waste water is conveyed from the collecting chamber to the precipitating chamber for standing so as to precipitate suspended matters, the suspended matters in the adjusted waste water are gradually precipitated on the bottom plate along with the time, as the bottom plate is arranged in a concave-convex manner along the up-down direction, the suspended matters can be precipitated in the concave-down direction on the bottom plate so as to collect the suspended matters, the bottom plate is detachably arranged so as to detach the bottom plate at any time, cleaning work is carried out, the bottom plate is prevented from being filled with the precipitated suspended matters, precipitation work is influenced, the precipitated waste water sequentially passes through the water outlet and the water inlet, is conveyed into the adsorbing chamber from bottom to the adsorbing chamber, the adsorbed matters are gradually precipitated on the bottom plate, the waste water after the adsorbed matters are discharged from the bottom plate to the water pretreatment structure along with the up-down direction, the water pretreatment structure is prevented from being sequentially adsorbed, and the water pretreatment structure is prevented from being blocked, and the water pretreatment structure is further arranged in the water pretreatment structure is prevented from being adsorbed on the bottom plate, and the water pretreatment structure is further being adsorbed on the water after the water pretreatment structure is prevented from being adsorbed on the water after the water treatment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of a wastewater pretreatment structure according to the present utility model;

fig. 2 is a schematic perspective view of the settling chamber of fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Wastewater pretreatment structure	331	Second plate
1	Collecting chamber	4	Adsorption chamber
				11	Acid-base number detection device	41	Water outlet
2	Adjusting assembly	42	Water inlet
				21	Acid liquor storage tank	43	Adsorption structure
22	Acid liquor metering pump	431	Adsorption plate
				23	Alkali liquor storage tank	44	Medicine adding port
24	Alkali liquor metering pump	45	Heavy metal trapping agent holding vessel
				3	Settling chamber	46	Capture agent metering pump
31	Bottom plate	5	Coagulant holding vessel
				32	Water outlet	51	Coagulant metering pump
33	Concave-convex unit	6	Communication pipeline
				331	First plate block	7	Filtering structure

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In order to solve the above problems, the present utility model provides a wastewater pretreatment structure 100, and fig. 1 to 2 are specific embodiments of the wastewater pretreatment structure provided by the present utility model.

Referring to fig. 1, the wastewater pretreatment structure 100 includes a collecting chamber 1, a regulating component 2, a settling chamber 3, and an adsorption chamber 4, wherein the collecting chamber 1 is used for containing mixed wastewater, the regulating component 2 is used for adding an acidic additive or an alkaline additive into the collecting chamber 1 so as to neutralize the acid-base value of the mixed wastewater in the collecting chamber 1, the settling chamber 3 is located on the right side of the collecting chamber 1 and is communicated with the collecting chamber 1, the settling chamber 3 is provided with a bottom plate 31, the bottom plate 31 is arranged in a concave-convex manner along the up-down direction and is in a detachable manner, a water outlet 32 is arranged below a side wall of the settling chamber 3 facing away from the collecting chamber 1, the adsorption chamber 4 is located on a side of the settling chamber 3 facing away from the collecting chamber 1, a water outlet 41 and a water inlet 42 are formed in an inner wall of the adsorption chamber 4, the water inlet 42 is communicated with the water outlet 32, an adsorption structure 43 is arranged in the adsorption chamber 4, and the adsorption structure 43 is located between the water inlet 42 and the water outlet 41.

According to the technical scheme provided by the utility model, various waste water is mixed in the collecting chamber 1, the adjusting component 2 adjusts the acid additive or the alkaline additive into the collecting chamber 1 so as to adjust the acid-base value of the mixed waste water in the collecting chamber 1 to be in a range of 5 to 7, the adjusted waste water is conveyed from the collecting chamber 1 to the precipitating chamber 3 for standing so as to precipitate suspended matters, the suspended matters in the adjusted waste water gradually precipitate onto the bottom plate 31 along with the time, as the bottom plate 31 is arranged in a concave-convex manner along the up-down direction, the suspended matters can precipitate into the concave position on the bottom plate 31 so as to collect the suspended matters, and the bottom plate 31 is arranged in a detachable manner so as to detach the bottom plate 31 at any time, so that the precipitated suspended matters are prevented from being filled up, the precipitating work is influenced, the precipitated waste water is conveyed into the adsorbing chamber 4 from the water outlet 32 and the water inlet 42 in turn, the suspended matters in the adsorbing chamber are gradually deposited from the water outlet 32, the adsorbing structure 43 is upwards, the adsorbing treatment is carried out from the water outlet of the adsorbing structure is realized, the waste water is prevented from being adsorbed from the waste water flowing from the adsorbing structure is completely, and the waste water is prevented from being adsorbed by the waste water is completely and the waste water is adsorbed by the waste water is completely.

Further, the bottom plate 31 forms a plurality of concave-convex units 33 disposed along a left-right direction, each concave-convex unit 33 includes a first plate 331 and a second plate 331, the first plate 331 extends along a vertical direction, the second plate 331 is located on a right side of the first plate 331, the second plate 331 is disposed obliquely downward from left to right, an upper end of the second plate 331 is connected with an upper end of the first plate 331, and a lower end of the second plate 331 is connected with a lower end of the first plate 331 adjacent to the concave-convex unit 33. Such arrangement can make the bottom plate 31 be concave-convex arrangement along controlling, namely bottom plate 31 is the zigzag setting, and suspended solid in the wastewater that the neutralization was accomplished can deposit to one of them second plate 331 with the junction of the lower extreme of one of them first plate 331, and then get up the suspended solid, prevent it along with rivers transmission to in the adsorption chamber 4, simultaneously, because each first plate 331 is along upper and lower extension setting, each second plate 331 is the downward sloping setting from left to right, consequently, when the in-process of wastewater that the precipitation was accomplished is transmitted to in the adsorption chamber 4, along upper and lower extension setting first plate 331 can further withstand the removal of suspended solid that the sediment was accomplished, in order to further guarantee the wastewater that the neutralization was accomplished is in the sedimentation effect in the precipitation chamber 3.

Further, in order to neutralize the time required for precipitation of suspended matters in the finished wastewater and to make the precipitation effect better, in the embodiment of the present utility model, it is further necessary to add a coagulant into the precipitation chamber 3, the wastewater pretreatment structure 100 further includes a coagulant storage tank 5, the coagulant storage tank 5 is located above the precipitation chamber 3, the coagulant storage tank 5 is used for containing a coagulant, the coagulant storage tank 5 is communicated with the precipitation chamber 3 through a first pipeline, and a coagulant metering pump 51 is disposed on the first pipeline. The coagulant can aggregate colloidal particles and micro suspended matters in the neutralized sewage to increase the size of the suspended matters in the neutralized sewage so as to enable the suspended matters to be easily precipitated, the precipitation effect in the precipitation chamber 3 is increased, and the coagulant metering pump 51 is used for determining the addition amount of the coagulant within a certain numerical range and reducing the error of adding the coagulant.

In order to further remove suspended matters in the neutralized wastewater, the wastewater pretreatment structure 100 further comprises a communication pipe 6 and a filtering structure 7, wherein two ends of the communication pipe 6 are respectively connected with the water outlet 32 and the water inlet 42, and the filtering structure 7 is arranged in the communication pipe 6 and is close to the water outlet 32. The filtering structure 7 is capable of filtering out suspended substances which are not precipitated out of the neutralized wastewater, so as to prevent the suspended substances from entering the adsorption chamber 4.

Specifically, the filtering structure 7 is configured as a filter screen, and the middle part of the filter screen is protruding towards the direction of the water inlet 42. The suspended matters filtered out by the filter screen can be retained in the filter screen by the arrangement, so that the suspended matters are prevented from flowing back into the settling chamber 3, and subsequent cleaning work is facilitated.

In order to facilitate the cleaning of the filter screen, two ends of the communicating pipe 6 are detachably inserted into the water outlet 32 and the water inlet 42. Because the filter screen is located in the communicating pipeline 6 and is close to the water outlet 32, after the communicating pipeline 6 is detached from between the water outlet 32 and the water inlet 42, an operator can conveniently clean the filter screen, and the convenience of cleaning is further improved.

In the embodiment of the present utility model, the filter screen may be detachably disposed in the communicating pipe 6, and after the communicating pipe 6 is detached from between the water outlet 32 and the water inlet 42, the filter screen may be further detached from the communicating pipe 6, so that the filter screen may be cleaned independently.

Further, the collecting chamber 1 is provided with an acid-base value detecting device 11, and the acid-base value detecting device 11 is used for detecting the acid-base value of the wastewater in the collecting chamber 1. The ph detects which function is able to accurately and in real time detect the ph of the mixed wastewater in the collection chamber 1 to detect the degree of change in ph of the mixed wastewater when the adjustment assembly 2 adjusts the ph of the mixed wastewater, and when the ph of the mixed wastewater is in the range of 5 to 7, the adjustment assembly 2 stops adding the acidic additive or the alkaline additive to the collection chamber 1.

Further, the adjusting component 2 comprises an acid liquor storage tank 21 and an alkali liquor storage tank 23, the acid liquor storage tank 21 is located above the collecting chamber 1, the acid liquor storage tank 21 is used for containing acidic solution, the acid liquor storage tank 21 is communicated with the collecting chamber 1 through a second pipeline, an acid liquor metering pump 22 is arranged on the second pipeline, the alkali liquor storage tank 23 is located above the collecting chamber 1 and is avoided from the acid liquor storage tank 21, the alkali liquor storage tank 23 is used for containing alkaline solution, the alkali liquor storage tank 23 is communicated with the collecting chamber 1 through a third pipeline, and an alkali liquor metering pump 24 is arranged on the third pipeline. The acid-base value detecting means 11 detects the acid-base value of the mixed wastewater in the collecting chamber 1 first, and when the acid-base value of the mixed wastewater is greater than 5 to 7, the acid-liquid metering pump 22 adds an acid solution to the collecting chamber 1 to lower the acid-base value of the mixed wastewater, and when the acid-base value of the mixed wastewater is less than 5 to 7, the alkali-liquid metering pump 24 adds an alkali solution to the collecting chamber 1 to increase the acid-base value of the mixed wastewater.

In order to eliminate heavy metal ions in the wastewater after the suspended matter precipitation and filtration work is finished, so as to further reduce emission pollution, a dosing port 44 is formed in the lower portion of a side wall of the adsorption chamber 4 opposite to the water inlet 42, the wastewater pretreatment structure 100 further comprises a heavy metal scavenger storage tank 45, the heavy metal scavenger storage tank 45 is located at one side of the adsorption chamber 4 opposite to the precipitation chamber 3, the heavy metal scavenger storage tank 45 is used for storing a heavy metal scavenger, the heavy metal scavenger storage tank 45 is communicated with the dosing port 44 through a fourth pipeline, and a scavenger metering pump 46 is arranged on the fourth pipeline. And the heavy metal capturing agent is added into the adsorption chamber 4, so that the heavy metal capturing agent and various heavy metal ions in the wastewater after precipitation are subjected to chemical reaction, flocculent precipitates which are insoluble, low in water content and easy to remove are rapidly generated in a short time, and meanwhile, the flocculent precipitates generated by the chemical adding port 44 are positioned below the adsorption structure 43 and can be adsorbed by the adsorption structure 43, so that the purpose of removing the heavy metal ions in the wastewater after precipitation is achieved.

Specifically, the adsorption structure 43 has a plurality of adsorption plates 431 disposed at intervals in the vertical direction, and a plurality of through holes extending in the vertical direction are formed in each of the adsorption plates 431. The waste water from which heavy metal ions are removed can sequentially pass through the structures of the adsorption plates 431 from bottom to top so as to perform multistage adsorption work, improve the adsorption effect of the adsorption structures 43, further reduce the pollution degree of the waste water to the environment, and drain the waste water from the water outlet 41 above the adsorption plates 431 so as to perform subsequent treatment work.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A wastewater pretreatment structure, comprising:

a collection chamber for holding mixed wastewater;

2. The wastewater pretreatment structure of claim 1, wherein the base plate forms a plurality of concave-convex units disposed in a left-right direction, each of the concave-convex units comprising:

3. The wastewater pretreatment structure of claim 1, further comprising a coagulant reservoir positioned above the settling chamber, the coagulant reservoir being configured to hold a coagulant, the coagulant reservoir being in communication with the settling chamber via a first conduit, the first conduit being provided with a coagulant metering pump.

4. The wastewater pretreatment structure of claim 1, further comprising:

5. The wastewater pretreatment structure of claim 4, wherein the filtering structure is provided as a filter screen, and a middle portion of the filter screen is protruded toward the water inlet.

6. The wastewater pretreatment structure of claim 4 or 5, wherein both ends of the communicating pipe are detachably inserted into the water outlet and the water inlet.

7. The wastewater pretreatment structure as claimed in claim 1, wherein the collection chamber is provided with an acid-base value detection means for detecting an acid-base value of wastewater in the collection chamber.

8. The wastewater pretreatment structure of claim 7, wherein the conditioning assembly comprises:

9. The wastewater pretreatment structure of claim 1, wherein a dosing port is formed through a lower portion of a sidewall of the adsorption chamber opposite to the water inlet;

10. The wastewater pretreatment structure of claim 1, wherein the adsorption structure comprises a plurality of adsorption plates arranged at intervals in the vertical direction, and a plurality of through holes extending in the vertical direction are formed in each of the adsorption plates.