Superfine calcium production wastewater recovery equipment

Abstract

The utility model provides superfine calcium production wastewater recovery equipment, which belongs to the technical field of calcium carbonate production, and comprises a recovery tank body, a plurality of support plates, a plurality of filter structures and a barrier plate, the recovery tank body is provided with a filtering chamber, a precipitation chamber, a feeding hole, a communicating hole and an operation hole; the supporting plates are installed in the filtering cavity, the filtering structures penetrate through the operation openings in a sliding mode and are supported on the corresponding supporting plates, and the bottom faces of the filtering structures are connected with the end faces of the supporting plates in a sliding fit mode; a plurality of filtering holes are formed in the filtering structures, and the hole diameters of the filtering holes in the filtering structures are gradually reduced from top to bottom; the filtering structure is positioned above the communicating opening; the baffle plate is mounted at the bottom of the filtering chamber; the blocking plate is vertically arranged and is close to the communicating opening; the upper end of the blocking plate is higher than the communicating opening, and a water passing hole is formed in the blocking plate. According to the superfine calcium production wastewater recovery equipment provided by the utility model, the treatment effect of soil blocks, impurities and the like in wastewater is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to calcium carbonate production technical field, more specifically, relate to a kind of superfine calcium production wastewater recovery equipment. BACKGROUND

[0002] Superfine calcium carbonate refers to the primary particle size between 0.02-0.1 μm, it has the special quantum size effect, small size effect, surface effect, compared with conventional powder material, it shows obvious advantages in reinforcement, transparency, dispersibility, thixotropy and flow leveling, etc., and can be widely used in plastic industry, coating industry, rubber industry and other fields. In the production process of superfine calcium, limestone needs to be cleaned to remove the soil, impurities and other impurities on the surface of limestone; this part of water needs to be recovered to achieve the purpose of saving water. At present, in the wastewater generated by the recovery and cleaning, the treatment effect of soil, impurities and other impurities in the wastewater is not good in the pretreatment operation process. SUMMARY

[0003] The utility model discloses a superfine calcium production wastewater recovery equipment to solve the technical problem that the treatment effect of soil, impurities and other impurities in the wastewater is not good in the pretreatment operation process in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a superfine calcium production wastewater recovery equipment, comprising:

[0005] The recovery tank body is internally provided with a filtering chamber and a sedimentation chamber arranged side by side; the upper end of the recovery tank body is provided with a feeding port communicated with the filtering chamber and a feeding port communicated with the sedimentation chamber; the feeding port is used for adding wastewater, and the feeding port is used for adding flocculating agent; the recovery tank body is internally provided with a communication port for connecting the filtering chamber and the sedimentation chamber, and the outer wall upper side is provided with a plurality of operation ports arranged at intervals upward and downward;

[0006] The support plate is provided in a plurality of numbers, is fixedly installed in the filtering chamber, and corresponds to a plurality of operation ports;

[0007] The filtering structure is provided in a plurality of numbers, is arranged horizontally, and corresponds to a plurality of operation ports one by one; the filtering structure slides through the operation port and is supported on the corresponding support plate, and the bottom surface of the filtering structure and the end surface of the support plate are slidingly connected; a plurality of filtering holes are formed in the filtering structure, and the hole diameters of the filtering holes in a plurality of filtering structures gradually decrease from top to bottom; the filtering structure is located above the communication port;

[0008] A blocking plate is arranged at the bottom of the filtering chamber; the blocking plate is arranged vertically and close to the communicating port; the upper end of the blocking plate is higher than the communicating port, and the blocking plate is provided with a water passing hole.

[0009] In a possible implementation, the filtering structure comprises:

[0010] A bottom plate is supported on the supporting plate and is in sliding fit connection with the supporting plate; a plurality of the filtering holes are arranged uniformly on the bottom plate;

[0011] A plurality of side plates are fixedly arranged on the bottom plate; the plurality of side plates are arranged in a loop around the bottom plate, and the bottom plate and the plurality of side plates form a containing cavity for containing impurities;

[0012] An operation handle is fixedly arranged on the side plate close to the operation port.

[0013] In a possible implementation, the bottom surface of the operation port is located on the same horizontal plane as the upper end surface of the supporting plate; one of the side plates is located in the operation port, and the operation handle is located in the operation port.

[0014] In a possible implementation, the operation port is a stepped hole with an outer diameter larger than an inner diameter, the side plate located in the operation port is provided with an annular limiting portion arranged in a circumferential direction and protruding outward, and the annular limiting portion abuts against the inner bottom surface of the stepped hole.

[0015] In a possible implementation, the inner wall of the filtering chamber is provided with a plurality of avoiding installation ports corresponding to the operation port; the end of the bottom plate and one of the side plates located in the filtering chamber are arranged in the avoiding installation ports.

[0016] In a possible implementation, the plurality of supporting plates are arranged in pairs, and the two supporting plates in the same pair are located at the same height and are arranged on two inner walls of the filtering chamber.

[0017] In a possible implementation, the lower side of the outer wall of the recovery tank is provided with a sludge discharging port communicated with the bottom of the filtering chamber and a plug arranged on the sludge discharging port, and the plug is detachably connected with the recovery tank.

[0018] In a possible implementation, the recycling tank body is further provided with a transversely arranged buffer plate between the filter structure and the blocking plate; the buffer plate has a downwardly recessed buffer groove at the upper end, and is fixedly connected to the inner wall of the filter chamber at one end close to the blocking plate, and extends toward the other inner wall of the filter chamber at the other end, and has a flow spacing between the other inner wall of the filter chamber; the other end of the buffer plate is provided with a downwardly extending flow guide plate.

[0019] In a possible implementation, the recycling tank body is provided with two feeding hoppers, and the two feeding hoppers are respectively connected to the feeding port and the feeding inlet.

[0020] In a possible implementation, the recycling tank body is provided with a discharge port connected to the sedimentation chamber, and a viewing window is arranged on the outer side of the recycling tank body for observing the inside of the sedimentation chamber.

[0021] The superfine calcium production wastewater recycling equipment has the advantages that, compared with the prior art, when working, wastewater is added into the filter chamber from the feeding port, and when the wastewater passes through the multiple filter structures, large impurities are blocked on the filter structures, and different sizes of impurities are arranged in layers on the multiple filter structures in a gradually changing manner through the multiple filter holes, so that the filtering effect is improved; the filter structure can be taken out from the operation port for cleaning, so that the large impurities can be directly removed without interfering with or hindering the filtering process of the wastewater, and the large particles and the like are smoothly removed. The wastewater passing through the filter structure falls in the filter chamber, so that the soil and the like are deposited at the bottom of the filter chamber, and the water on the upper side also passes through the communication port into the sedimentation chamber, so that the wastewater falling downward from the filter structure does not have a great impact on the side close to the communication port, and the soil and the like are not pushed upward. The flocculating agent is added into the sedimentation chamber from the feeding inlet, so that the impurities in the wastewater are further treated in the sedimentation chamber. In this way, the large particles and the like can be smoothly blocked under the action of the multiple filter structures, and the filter structure can be taken out for timely cleaning of the soil, impurities and the like on the filter structure, so that the treatment effect is improved; finally, the impurities and the like are flocculated into flocs in the sedimentation chamber, so that the impurities and the like are easily cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 An internal structure schematic view of the superfine calcium production wastewater recovery equipment is provided for the embodiment of the utility model.

[0024] Figure 2 For Figure 1 An enlarged view of A in the middle;

[0025] Figure 3 For Figure 1 An enlarged view of B in the middle;

[0026] Figure 4 A structure schematic view of the filter structure is provided for the embodiment of the utility model.

[0027] Figure 5 A front view of the superfine calcium production wastewater recovery equipment is provided for the embodiment of the utility model.

[0028] In the drawings, various reference signs represent:

[0029] 1, recovery tank body; 11, filter chamber; 12, sedimentation chamber; 13, feed inlet; 14, feed inlet; 15, communication port; 16, operation port; 17, avoiding installation port; 18, sludge discharge port; 19, plug; 2, support plate; 3, filter structure; 31, filter hole; 32, bottom plate; 33, side plate; 34, operation handle; 35, annular limiting portion; 4, blocking plate; 41, water passage hole; 5, buffer plate; 51, buffer groove; 52, flow spacing; 53, drainage plate; 6, feed hopper; 7, window; 71, discharge port. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] Please refer to Figures 1 to 5 The present application provides a superfine calcium production wastewater recovery equipment. The superfine calcium production wastewater recovery equipment comprises a recovery tank body 1, a support plate 2, a filter structure 3 and a barrier plate 4. The recovery tank body 1 is internally provided with a filter chamber 11 and a sedimentation chamber 12 arranged side by side. The upper end of the recovery tank body 1 is provided with a feed inlet 13 communicating with the filter chamber 11 and a feed inlet 14 communicating with the sedimentation chamber 12. The feed inlet 13 is used for adding wastewater, and the feed inlet 14 is used for adding a flocculating agent. The recovery tank body 1 is internally provided with a communication port 15 for connecting the filter chamber 11 and the sedimentation chamber 12 in communication, and a plurality of operation ports 16 arranged in an upper and lower interval are arranged on the outer wall. The number of support plates 2 is multiple, and each is fixedly installed in the filter chamber 11 and corresponds to a plurality of operation ports 16. The number of filter structures 3 is multiple, arranged horizontally, and each corresponds to a plurality of operation ports 16. The filter structure 3 slides through the operation port 16 and is supported on the corresponding support plate 2, and the bottom surface of the filter structure 3 and the end surface of the support plate 2 are slidingly connected. A plurality of filter holes 31 are formed in the filter structure 3, and the hole diameters of the filter holes 31 in the plurality of filter structures 3 gradually decrease from top to bottom. The filter structure 3 is located above the communication port 15. The barrier plate 4 is installed at the bottom of the filter chamber 11. The barrier plate 4 is vertically arranged and located close to the communication port 15. The upper end of the barrier plate 4 is higher than the communication port 15, and the barrier plate 4 is provided with a water passing hole 41.

[0035] Compared with the prior art, the superfine calcium production wastewater recycling equipment has the advantages that during work, the wastewater is added into the filtering chamber 11 from the feeding port 13, when the wastewater passes through the multiple filtering structures 3, the large impurities are blocked on the filtering structures 3, and the impurities of different sizes are arranged in layers on the multiple filtering structures 3 in a gradually changing mode through the multiple filtering holes 31, so that the filtering effect is improved; meanwhile, the filtering structure 3 is arranged to be taken out from the operation port 16 for cleaning, so that the large impurities can be directly removed, the filtering process of the wastewater is not disturbed or hindered, and the large particles and the like are smoothly removed. The wastewater passing through the filtering structure 3 falls in the filtering chamber 11, so that the soil and the like are deposited at the bottom of the filtering chamber 11, the water on the upper side also passes through the communication port 15 into the sedimentation chamber 12, and the wastewater falling from the filtering structure 3 does not have a great influence on the side close to the communication port 15 to make the soil and the like surge upward when the blocking plate 4 is used. The flocculating agent is added into the sedimentation chamber 12 from the feeding port 14, so that the impurities and the like in the wastewater are further treated in the sedimentation chamber 12. In this way, the large particles and the like can be smoothly blocked under the action of the multiple filtering structures 3, and the filtering structure 3 can be taken out to clean the soil, impurities and the like thereon in time, so that the treatment effect is improved; finally, the impurities and the like are coagulated into flocculation in the sedimentation chamber 12, so that the impurities and the like are easily cleaned.

[0036] Please refer to Figure 1 , Figure 3 and Figure 4 , as a specific embodiment of the superfine calcium production wastewater recycling equipment, the filtering structure 3 comprises a bottom plate 32, a side plate 33 and an operation handle 34; the bottom plate 32 is supported on the supporting plate 2 and is in sliding fit connection with the supporting plate 2; the multiple filtering holes 31 are uniformly arranged on the bottom plate 32; the side plates 33 are multiple in number and are fixedly installed on the bottom plate 32; the multiple side plates 33 are connected end to end and arranged around the bottom plate 32, and the bottom plate 32 and the multiple side plates 33 enclose a containing cavity for containing impurities; the operation handle 34 is fixedly installed on the side plate 33 close to the operation port 16; the filtering structure 3 body composed of the bottom plate 32 and the multiple side plates 33 has a certain depth of the containing cavity, and can better hold the impurity soil and the like. When the filtering structure 3 is installed, the staff holds the operation handle 34 with the hand, inserts one end of the filtering structure 3 into the operation port 16, and supports the filtering structure 3 on the supporting plate 2 in the filtering chamber 11, and then slides along the supporting plate 2 into the filtering chamber 11, and the operation handle 34 is located in the operation port 16. In this way, the filtering structure 3 can stably and reliably work, and the filtering structure 3 can be conveniently taken out and put into the operation port 16.

[0037] Please refer to Figure 1 and Figure 2As a specific embodiment of the superfine calcium production wastewater recycling equipment provided by the utility model, the bottom surface of the operation opening 16 and the upper end surface of the support plate 2 are located on the same horizontal plane; one side plate 33 is located in the operation opening 16, and the operation handle 34 is located in the operation opening 16; when installing, the bottom plate 32 is first entered into the operation opening 16 and supported on the bottom surface of the operation opening 16, and then can be smoothly transitioned to the upper end surface of the support plate 2. At the same time, one side plate 33 is arranged in the operation opening 16 to make the size of the whole filtering structure 3 greater than the cross section of the filtering chamber 11, and then the wastewater can be more completely filtered.

[0038] Please refer to Figure 2 As a specific embodiment of the superfine calcium production wastewater recycling equipment provided by the utility model, the operation opening 16 is a stepped hole with an outer large and inner small structure, the outer side surface of the side plate 33 located in the operation opening 16 is provided with an annular limiting part 35 arranged in a circumferential direction and protruding outward, and the annular limiting part 35 abuts on the inner bottom surface of the stepped hole; the mode of arranging the annular protruding part on the outer side of the side plate 33 increases the end area of the side plate 33, and after the bottom plate 32 is installed into the filtering chamber 11 by means of the operation opening 16 in the form of a stepped hole, the annular limiting part 35 abuts on the bottom surface in the stepped hole, thereby forming the plugging of the operation opening 16. A plurality of sealing rings can be arranged on the annular limiting part 35, so that better sealing is formed after the filtering structure 3 is installed into the operation opening 16. The annular limiting part 35 is integrally formed with the side plate 33.

[0039] Please refer to Figure 1 and Figure 3 As a specific embodiment of the superfine calcium production wastewater recycling equipment provided by the utility model, the inner wall of the filtering chamber 11 is provided with a plurality of installation avoiding openings 17, and the installation avoiding openings 17 correspond to the operation openings 16; the end part of the bottom plate 32 and one side plate 33 located inside the filtering chamber 11 are cooperatively installed in the installation avoiding openings 17; the installation avoiding openings 17 correspond to the operation openings 16 one by one, and are located on the corresponding two inner walls in the filtering chamber 11; after the filtering structure 3 is installed and passes through the operation opening 16 to enter into the filtering chamber 11, one end entering into the filtering chamber 11 is clamped into the installation avoiding opening 17, thereby making the installation of the filtering structure 3 more stable.

[0040] Please refer to Figure 1 As a specific embodiment of the superfine calcium production wastewater recycling equipment provided by the utility model, the plurality of support plates 2 are in pairs as a group, and the two support plates 2 in the same group are located at the same height and are respectively located on the two inner walls of the filtering chamber 11; that is, the support plates 2 are arranged on both sides of the lower end of the installation position of the filtering structure 3, thereby stably supporting and installing the filtering structure 3 inside the filtering chamber 11, and further stably and firmly working. The sliding grooves are arranged on the support plates 2, and the sliding blocks or rollers cooperatively installed with the sliding grooves are arranged on the lower end of the filtering structure 3.

[0041] With reference to Figure 1 , as a specific embodiment of the superfine calcium production wastewater recovery equipment provided by the utility model, the outer wall lower side of the recovery tank body 1 is provided with a sludge discharge port 18 communicated with the bottom of the filtering chamber 11 and a plug 19 installed on the sludge discharge port 18, the plug 19 is detachably connected with the recovery tank body 1; after the preliminary sedimentation treatment of the large sludge and sundries through the lower end of the filtering structure 3, the large sludge and the like need to be cleaned out regularly; when cleaning, the plug 19 is opened, and the sludge and the like can be taken out from the bottom of the filtering chamber 11; when working, the plug 19 is used to close the sludge discharge port 18.

[0042] With reference to Figure 1 , as a specific embodiment of the superfine calcium production wastewater recovery equipment provided by the utility model, the recovery tank body 1 is further provided with a transversely arranged buffer plate 5, the buffer plate 5 is located between the filtering structure 3 and the blocking plate 4; the upper end of the buffer plate 5 is provided with a downwardly recessed buffer recess 51, one end of the buffer plate 5 close to the blocking plate 4 is fixedly connected with the inner wall of the filtering chamber 11, the other end extends towards the other inner wall of the filtering chamber 11 and has a flow spacing 52 between the other inner wall of the filtering chamber 11; the other end of the buffer plate 5 is provided with a downwardly extending flow guide plate 53; the buffer plate 5 is located above the blocking plate 4 and below the filtering structure 3, one end of the buffer plate 5 is fixedly connected with the inner wall of the filtering chamber 11 close to the sedimentation chamber 12, and the other end extends in the direction away from it. The other end of the buffer plate 5 has the flow spacing 52 with the inner wall of the filtering chamber 11, and the buffer recess 51 is recessed downwardly on the buffer plate 5. The water flow passing through the filtering structure 3 falls downwardly into the buffer recess 51 and flows into the flow spacing 52 relatively gently under the action of the buffer recess 51; it is not easy to affect the sedimentation water at the bottom of the filtering chamber 11. The flow guide plate 53 is arranged to make the water flowing downwardly from the buffer recess 51 flow downwardly along the inner wall of the filtering chamber 11.

[0043] With reference to Figure 1 , as a specific embodiment of the superfine calcium production wastewater recovery equipment provided by the utility model, two feeding hoppers 6 are arranged on the recovery tank body 1, and the two feeding hoppers 6 are respectively connected with the feeding port 13 and the feeding port 14; the two feeding hoppers 6 are fixedly installed on the upper end of the recovery tank body 1 and respectively correspond to the two feeding ports 13, the lower end of the feeding hopper 6 is communicated with the corresponding feeding port 13 or the feeding port 14, so that the materials can be accurately and conveniently added into the filtering chamber 11 and the sedimentation chamber 12. The feeding hopper 6 is provided with a straight pipe section penetrating in the feeding port 13 or the feeding port 14 and a conical pipe section installed on the upper end of the straight pipe section.

[0044] With reference to Figure 5As a specific embodiment of the superfine calcium production wastewater recovery equipment provided by the utility model, the recovery tank body 1 is provided with a discharge port 71 in communication with the sedimentation chamber 12, and the outer side of the recovery tank body 1 is provided with a window 7 for observing the inside of the sedimentation chamber 12; when flocculating agent and the like are added into the sedimentation chamber 12 through the inlet 14, the inside condition needs to be observed. Therefore, the window 7 is arranged to facilitate the staff to observe the coagulation state in the sedimentation chamber 12. Meanwhile, the discharge port 71 is arranged to discharge water for the next process.

[0045] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wastewater recovery device for ultrafine calcium production, characterized in that, The utility model provides a waste water recovery tank, comprising: a recovery tank body, which is internally provided with a filtering chamber and a sedimentation chamber arranged side by side; an upper end of the recovery tank body is provided with an inlet opening communicated with the filtering chamber and an inlet opening communicated with the sedimentation chamber; the inlet opening is used for adding waste water, and the inlet opening is used for adding a flocculating agent; the recovery tank body is internally provided with a communication opening for connecting the filtering chamber and the sedimentation chamber; and an upper side of an outer wall is provided with a plurality of operation openings arranged in an upper-lower interval; a plurality of support plates, each of which is fixedly installed in the filtering chamber and corresponds to a plurality of the operation openings; a plurality of filtering structures, which are arranged horizontally and correspond to a plurality of the operation openings one by one; the filtering structures slide through the operation openings and are supported on the corresponding support plates; a bottom surface of the filtering structure is in sliding fit connection with an end surface of the support plate; a plurality of filtering holes are formed in the filtering structure; the filtering holes in the plurality of filtering structures gradually decrease in diameter from top to bottom; and the filtering structure is located above the communication opening; a blocking plate, which is installed at a bottom of the filtering chamber; the blocking plate is arranged vertically and is arranged close to the communication opening; an upper end of the blocking plate is higher than the communication opening; and the blocking plate is provided with a water passing hole.

2. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein The filtering structure comprises: a bottom plate, which is supported on the support plate and is in sliding fit connection with the support plate; and a plurality of filtering holes are uniformly arranged on the bottom plate; a plurality of side plates, each of which is fixedly installed on the bottom plate; the plurality of side plates are connected in a head-tail mode and are arranged around the bottom plate; and the bottom plate and the plurality of side plates enclose a containing cavity for containing impurities; an operation handle, which is fixedly installed on the side plate close to the operation opening.

3. The ultrafine calcium production wastewater recovery apparatus according to claim 2, wherein A bottom surface of the operation opening and an upper end surface of the support plate are located on the same horizontal plane; one side plate is located in the operation opening, and the operation handle is located in the operation opening.

4. The ultrafine calcium production wastewater recovery apparatus according to claim 3, wherein The operation opening is a stepped hole with an outer diameter larger than an inner diameter; an outer side surface of the side plate located in the operation opening is provided with an annular limiting portion arranged in a circumferential direction and protruding outward; and the annular limiting portion abuts against an inner bottom surface of the stepped hole.

5. The ultrafine calcium production wastewater recovery apparatus according to claim 2, wherein An inner wall of the filtering chamber is provided with a plurality of avoiding installation openings corresponding to the operation openings; an end portion of the bottom plate and one side plate located in the filtering chamber are fittedly installed in the avoiding installation openings.

6. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein The plurality of support plates are grouped in pairs; two support plates in the same group are located at the same height and are respectively located on two inner walls of the filtering chamber.

7. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein A lower side of an outer wall of the recovery tank body is provided with a sludge discharge opening communicated with a bottom of the filtering chamber and a plug installed on the sludge discharge opening; and the plug is detachably connected with the recovery tank body.

8. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein The recycling tank body is further provided with a transversely arranged buffer plate between the filter structure and the barrier plate; the upper end of the buffer plate is provided with a downwardly recessed buffer groove; one end of the buffer plate close to the barrier plate is fixedly connected with the inner wall of the filter chamber, and the other end of the buffer plate extends towards the other inner wall of the filter chamber and has a flow spacing between the other inner wall of the filter chamber; the other end of the buffer plate is provided with a downwardly extending flow guide plate.

9. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein Two feeding hoppers are arranged on the recycling tank body and respectively face the feeding port and the feeding inlet.

10. The ultrafine calcium production wastewater recovery apparatus according to claim 1, wherein An exhaust port is arranged on the recycling tank body and communicates with the precipitation chamber, and a window is arranged on the outer side of the recycling tank body and is used for observing the inside of the precipitation chamber.

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