JP6565004B1 - Sewage treatment equipment - Google Patents

Abstract

The present invention discloses a sewage treatment apparatus. A water storage housing is installed in the case, a first replacement housing is installed on the top wall of the water storage housing, and the water storage housing is installed on the top wall of the water storage. A guide groove located on the left side of the first replacement housing is installed, a discharge groove connected to the outside is installed on the bottom wall of the water storage housing, and a communication end connected to the water storage housing on the bottom wall of the guide groove Is installed, a second replacement casing is installed on the right side of the first replacement casing, a third replacement casing extending left is installed on the upper side of the second replacement casing, and the first replacement casing is An exchange groove is provided between the third exchange housings, and a stirring shaft extending vertically is attached to the bottom wall of the first exchange housing so as to be rotatable. Many stirring blades are fixedly attached to the water storage casing. [Selection] Figure 4

Description

The present invention relates to the field of sewage treatment technology, and specifically to a sewage treatment apparatus.

When treating sewage, always stir the sewage by adding an adsorbent to the sewage, but the traditional sewage treatment equipment stirs using a stirrer and the stirring direction of the traditional stirrer is simple. First, the mixing efficiency is low, the mixing quality is poor, and the processing effect is lowered.

Chinese Patent Application No. 101712503 Specification

The present invention provides a sewage treatment apparatus in response to the shortage of the above technique.

The sewage treatment apparatus according to the present invention includes a case fixedly attached to a base body, and recessed grooves are equally installed on both left and right end surfaces of the case, and a hand frame is fixedly installed in the recessed groove , and the hand frame Makes it convenient to move and transport the case, a water storage housing is installed in the case, a first replacement housing is installed on the top wall of the water storage housing, and the first replacement housing is installed on the top wall of the water storage housing . A guide groove located on the left side of the replacement housing is installed, a discharge groove connected to the outside is installed on the bottom wall of the water storage housing, and a communicating end connected to the water storage housing is installed on the bottom wall of the guide groove. Installed, a second replacement casing is installed on the right side of the first replacement casing, a third replacement casing extending left is installed on the upper side of the second replacement casing, and the first replacement casing is An exchange groove is provided between the third exchange housings to interconnect the first exchange case. A stirring shaft extending vertically is attached to the bottom wall of the replacement housing so as to be rotatable, a lower end of the stirring shaft extends to the water storage housing, and a number of stirring blades are fixedly attached. Is attached so as to be rotatable in the exchange groove, the agitation shaft is located in the first exchange casing and an outer spline is installed, and the outer side of the first exchange casing corresponds to the outer side. A first conical pulley and a second conical pulley that engage with the spline are installed, and the first conical pulley and the second conical pulley are driven to slide up and down on the left end wall of the first exchange housing. An apparatus is installed, and a first exchange shaft extending left and right is rotatably attached between the first exchange housing and the second exchange housing, and a left end of the first exchange shaft is the first exchange housing The replacement disk is fixedly attached to the body A semi-conical tooth fixedly engaged with and connected to the first conical pulley and the second conical pulley on a left end surface of the exchange disc, and a right end of the first exchange shaft is connected to the second exchange housing. A third conical pulley is fixedly attached to the body, and a second exchange shaft extending vertically between the third exchange case and the second exchange case is rotatably attached. A lower end of the second exchange shaft extends into the second exchange housing, and a fourth conical pulley is fixedly attached to engage and connect with the third conical pulley, and an upper end of the second exchange shaft is attached to the third exchange pulley. A first pulley is fixedly attached to extend to the exchange housing, and a third exchange shaft extending upward is rotatably attached to an upper portion of the exchange groove, and an upper end of the third exchange shaft is attached to a top of the case. Power is transmitted to the first electric rotating machine fixedly mounted on the wall The second pulley is fixedly attached to the third exchange shaft, the first pulley and the second pulley are connected so that power can be transmitted through the belt, and the stirring shaft is A first inner spline groove is installed, a spline shaft is splined into and engaged with the first inner spline groove, and a second inner spline groove is engaged with the third exchange shaft downward with the spline shaft. And a separation device is installed on the left end wall of the exchange groove.

As another technical solution, the rotating device includes a first sliding connection groove installed on a left end wall of the first replacement housing and a dovetail groove located on the first sliding connection groove and connected to the first replacement housing. Including a second sliding connection groove extending upward on the left side of the upper end wall of the first sliding connection groove, and a first series of housings is installed between the second sliding connection groove and the dovetail groove, A first sliding connection block that can slide up and down is attached to the first sliding connection groove, and a screw lever extending vertically is engaged and attached to the first sliding connection block, and a lower end of the screw lever is connected to the first sliding connection. A second electric rotating machine that is rotatably attached to the bottom wall of the groove and is connected in power to a second electric rotating machine that is fixedly attached to the top wall of the first sliding connecting groove; Fixedly connected to the first sliding connection block in the groove That sliding connecting arm is attached to sliding connection, the is sliding first rack disposed on the right end surface of the connecting arm, the sliding up and down the dovetail connection can grooved block is mounted on the left end surface of the grooved block A second rack is installed, and a gear engaged with and connected to the first rack and the second rack is rotated and attached through a fourth exchange shaft in the first continuous housing, and the first sliding connection A first shift fork and a second shift fork are fixedly attached to the right ends of the block and the grooved block , respectively.

As another technical solution, the separation device includes a third sliding connection groove that is installed on an upper end wall of the dovetail groove and extends upward, and is connected between the third sliding connection groove and the replacement groove. A second block connecting block that is fixedly connected to the grooved block up and down in the third slide connecting groove, and is connected to the second communicating housing and extends left and right. Is attached by sliding connection, the left end of the connection block is fixedly connected to the second sliding connection block, the right end is extended to the replacement groove, and the replacement set is fixedly attached. Fits on the spline shaft.

As another technical solution, a first valve and a second valve are attached to the communication end and the discharge groove, respectively.

As another technical solution, a slope connecting to the discharge groove is installed on the bottom wall of the water storage housing.

The beneficial effect of the present invention is that when the present invention is in an initial state, the first sliding connection block cancels the upper end wall of the first sliding connection groove, and the second conical pulley meshes with the half-conical teeth, The grooved block cancels the bottom wall of the dovetail groove, and the spline shaft is disengaged from the second inner spline groove, and at this time, the second conical pulley is positioned on the rotational trajectory of the semi-conical tooth, The second conical pulley meshes with the semi-conical teeth when the replacement disk rotates.

When using, close the second valve, open the first valve, then put sewage and adsorbent into the guide groove, then close the first valve and start the first electric rotating machine The first electric rotating machine drives and rotates the second pulley through the third exchange shaft, the second pulley drives and rotates the second exchange shaft through the belt, and the second exchange A shaft drives and rotates the first exchange shaft through the fourth conical pulley, the first exchange shaft drives and rotates the exchange disk, and the semi-conical teeth rotate the second conical pulley. In the process of engaging with the first conical pulley away from the second conical pulley and rotating the exchange disk all the time, the agitating shaft is driven to reverse in the normal direction, and the agitating blade is sewage in the stored water. blend Stir.

When stirring in one direction, the second electric rotating machine is activated, the second electric rotating machine drives the first sliding connection block through the screw lever and slides down, and the first sliding connection block is lowered. When the first sliding connection block slides down, the second conical pulley is driven through the first shift fork to slide down and away from the half-conical teeth. And when the sliding connecting arm slides down, it drives the grooved block through the gear and slides up, thereby driving the first conical pulley through the shift fork and the half-conical teeth. above away from the rotation locus, the does not act on the half-cone teeth and the first conical pulley the second conical pulley, the grooved block When sliding, the second sliding connection block and the connection block slide upward and the connection block slides upward through the replacement set and extends to the second inner spline groove. , When the third exchange shaft rotates, the stirring shaft is driven and rotated to achieve unidirectional stirring.

The structure of this device is simple, convenient to use, can switch between unidirectional stirring and bidirectional stirring, and can be freely adjusted as needed, greatly increasing the treatment efficiency and quality of sewage.

The beneficial effect of the present invention is that when the present invention is in an initial state, the first sliding connection block cancels the upper end wall of the first sliding connection groove, and the second conical pulley meshes with the half-conical teeth, The grooved block cancels the bottom wall of the dovetail groove, and the spline shaft is disengaged from the second inner spline groove, and at this time, the second conical pulley is positioned on the rotational trajectory of the semi-conical tooth, The second conical pulley meshes with the semi-conical teeth when the replacement disk rotates.

When using, close the second valve, open the first valve, then put sewage and adsorbent into the guide groove, then close the first valve and start the first electric rotating machine The first electric rotating machine drives and rotates the second pulley through the third exchange shaft, the second pulley drives and rotates the second exchange shaft through the belt, and the second exchange A shaft drives and rotates the first exchange shaft through the fourth conical pulley, the first exchange shaft drives and rotates the exchange disk, and the semi-conical teeth rotate the second conical pulley. In the process of engaging with the first conical pulley away from the second conical pulley and rotating the exchange disk all the time, the agitating shaft is driven to reverse in the normal direction, and the agitating blade is sewage in the stored water. blend Stir.

When stirring in one direction, the second electric rotating machine is activated, the second electric rotating machine drives the first sliding connection block through the screw lever and slides down, and the first sliding connection block is lowered. When the first sliding connection block slides down, the second conical pulley is driven through the first shift fork to slide down and away from the half-conical teeth. And when the sliding connecting arm slides down, it drives the grooved block through the gear and slides up, thereby driving the first conical pulley through the shift fork and the half-conical teeth. above away from the rotation locus, the does not act on the half-cone teeth and the first conical pulley the second conical pulley, the grooved block When sliding, the second sliding connection block and the connection block slide upward and the connection block slides upward through the replacement set and extends to the second inner spline groove. , When the third exchange shaft rotates, the stirring shaft is driven and rotated to achieve unidirectional stirring.

The structure of this device is simple, convenient to use, can switch between unidirectional stirring and bidirectional stirring, and can be freely adjusted as needed, greatly increasing the treatment efficiency and quality of sewage.

In order to more clearly describe the technical solutions in the embodiments of the present invention or in the existing technology, the following is a brief introduction to the drawings that need to be used in the description of the embodiments or the existing technology. It is understood that the drawings in the following description are just some embodiments of the present invention, and that other persons based on these drawings will be based on these drawings, assuming that no creative labor is paid to those skilled in the art. A drawing can be obtained.

FIG. 1 is a schematic structural view of a sewage treatment apparatus according to the present invention. FIG. 2 is an enlarged schematic view of the first replacement housing of FIG. FIG. 3 is a left view of the replacement disk of FIG. FIG. 4 is a schematic view of the installation position of the hand frame of the present invention.

All features disclosed in this specification or all disclosed methods and steps in the process may be combined in any manner other than mutually exclusive features or steps.

All features disclosed in this specification may be replaced with other alternative features having equivalent or similar purposes unless otherwise specified. That is, unless otherwise noted, all features are just one example in a series of equivalent or similar features.

1-4, the sewage treatment apparatus of the present invention includes a case 11 that is fixedly attached to a base body 10, and recessed grooves 110 are installed on both left and right end surfaces of the case 11 equally, and the recessed grooves A hand frame 111 is fixedly installed on 110, making it convenient for the hand frame 111 to move and carry the case 11, a water storage case 15 is installed on the case 11, and a water storage case 15 is installed on the top wall of the water storage case 15. A first replacement casing 57 is installed, a guide groove 18 located on the left wall of the first replacement casing 57 is installed on the top wall of the water storage casing 15, and the bottom wall of the water storage casing 15 is connected to the outside. A discharge groove 31 to be connected is installed, a communication end 17 to be connected to the water storage housing 15 is installed on the bottom wall of the guide groove 18, and a second replacement housing 29 is installed on the right side of the first replacement housing 57. A third replacement housing 25 extending leftward is installed above the second replacement housing 29, and the first replacement housing 57 is An exchange groove 41 is provided between the exchange housings 25, and the stirring shaft 13 extending vertically is attached to the bottom wall of the first exchange housing 57 so as to be rotatable. The lower end of the stirring shaft 13 The stirring shaft 14 is fixedly attached to the water storage housing 15 and the upper end of the stirring shaft 13 extends upward and is rotatably attached to the exchange groove 41. A first conical pulley 35 and a second conical pulley 56, which are located in the first replacement casing 57 and have an outer spline, are engaged with the outer spline corresponding to the first replacement casing 57 in the vertical direction. Installed on the left end wall of the first exchange housing 57, and a device for turning the first conical pulley 35 and the second conical pulley 56 to slide up and down is installed. A first exchange shaft 28 extending from side to side is attached between the second exchange cases 29 so that it can rotate. The left end of the first exchange shaft 28 extends to the first exchange housing 57, and the exchange disk 22 is fixedly attached. The first conical pulley 35 and the second cone are attached to the left end surface of the exchange disk 22. A semi-conical tooth 33 that engages and connects with the pulley 56 is fixedly installed, the right end of the first exchange shaft 28 extends to the second exchange housing 29, and the third cone pulley 30 is fixedly attached. A second replacement shaft 26 extending vertically between the third replacement housing 25 and the second replacement housing 29 is rotatably mounted, and a lower end of the second replacement shaft 26 is connected to the second replacement shaft A fourth conical pulley 27 extending to the housing 29 and engaging and connecting with the third conical pulley 30 is fixedly attached, and the upper end of the second exchange shaft 26 extends to the third replacement housing 25. The first pulley 24 is fixedly attached, and the third exchange shaft 20 extending upward can be rotated above the exchange groove 41. The upper end of the third exchange shaft 20 is connected to the first electric rotating machine 21 fixedly attached to the top wall of the case 11 so that power can be transmitted to the third exchange shaft 20. A second pulley 19 is fixedly attached, the first pulley 24 and the second pulley 19 are connected so that power can be transmitted through a belt 23, and a first inner spline groove 34 is installed on the stirring shaft. A spline shaft 36 is splined into and engaged with the first inner spline groove 34, and a second inner spline groove 40 is installed on the third exchange shaft 20 to engage with the spline shaft 36 downward. A separation device is installed on the left end wall of the replacement groove 41, and the separation device drives the spline shaft 3 and separates from the second inner spline groove 40.

Preferably, the turning device is a first slip connection groove 53 installed on the left end wall of the first exchange housing 57 and a dovetail groove located on the first slip connection groove 53 and connected to the first exchange housing 57. A second sliding connection groove extending upward on the left side of the upper end wall of the first sliding connection groove 53, and a first series of housings is installed between the second sliding connection groove and the dovetail groove. The first sliding connection block 51 is attached to the first sliding connection groove 53 so as to be slidable up and down, and the screw lever 52 extending vertically is engaged and attached to the first sliding connection block 51 . A second electric rotating machine 50 having a lower end rotatably attached to the bottom wall of the first sliding connection groove 53 and an upper end of the screw lever fixedly attached to the top wall of the first sliding connection groove 53; The first sliding connection block 51 is fixed to the second sliding connection groove by power. A sliding connection arm 46 that is regularly connected is attached by sliding connection, a first rack is installed on the right end surface of the sliding connection arm 46, and a grooved block 47 that can be slid up and down is attached to the dovetail groove , A second rack is installed on the left end surface of the grooved block 47, and a gear 49 engaged with the first rack and the second rack is connected to the first rack through the fourth exchange shaft 48. rotating mounted, said first sliding connecting block 51 and the first shift fork 54 respectively at the right end of the grooved blocks 47 second shift fork 55 is fixedly attached, thereby said first shift fork 54 the The second conical pulley 56 and the first conical pulley 35 are rotated through the two shift forks 55 and slid up and down.

Preferably, the separating device includes a third sliding connection groove 44 that is installed on the upper end wall of the dovetail groove and extends upward, and is connected between the third sliding connection groove 44 and the replacement groove 41. A body 42 is installed, and a second sliding connection block 45 fixedly connected to the grooved block 47 is fixedly connected to the second sliding housing 42 in the third sliding connection groove 44 in a vertical manner. A connection block 43 extending left and right is attached by sliding connection, the left end of the connection block 43 is fixedly connected to the second slide connection block 45, the right end extends to the replacement groove 41, and the replacement set 38 is fixed The replacement set 38 is fitted to the spline shaft through a bearing.

Preferably, a first valve 16 and a second valve 32 are attached to the communication end 17 and the discharge groove 31, respectively, thereby controlling the opening and closing of the communication end 17 and the discharge groove 31 respectively.

Preferably, a slope 12 connected to the discharge groove 31 is installed on the bottom wall of the water storage casing 15 to facilitate discharge.

In the present invention, in the initial state, the first sliding connection block 51 offsets the upper end wall of the first sliding connection groove 53, the second conical pulley 56 meshes with the half-conical teeth 33, and the grooved block 47 cancels out the bottom wall of the dovetail groove, and the spline shaft 36 disengages from the second inner spline groove 40. At this time, the second conical pulley 35 is positioned on the rotation locus of the semi-conical teeth 33. Thus, the second conical pulley 35 meshes with the semi-conical teeth 33 when the exchange disk 22 rotates.

In use, the second valve 32 is closed, the first valve 16 is opened, and then the sewage and the adsorbent are put into the guide groove 18, and then the first valve 16 is closed and the first electric valve 16 is closed. The rotary machine 21 is started, the first electric rotary machine 21 drives and rotates the second pulley 19 through the third exchange shaft 20, and the second pulley 19 passes through the belt 23 and the second exchange shaft 26. The second exchange shaft 26 drives and rotates the first exchange shaft 28 through the fourth conical pulley 27, and the first exchange shaft 28 drives the exchange disk 22. When the second conical pulley 56 rotates, the half-conical teeth 33 move away from the second conical pulley 56 and engage with the first conical pulley 35, and the exchange disk 22 continues to rotate. , Drive the stirring shaft 13 and reverse it all the time Blade 14 stir the sewage mixture in the reservoir 15.

When stirring in one direction, the second electric rotating machine 50 is activated, and the second electric rotating machine 50 drives the first sliding connection block 51 through the screw lever 52 and slides down, and the first sliding machine When the connection block 51 slides down, the second conical pulley 56 is driven through the first shift fork 54 and slides down to move away from the half-conical teeth 33, so that the first slide connection block 51 slides down. When the sliding connection arm 46 slides down, the sliding connection arm 46 slides down, and when the sliding connection arm 46 slides down, it drives the grooved block 47 through the gear 49 and slides up, thereby passing through the shift fork. The first conical pulley 35 is driven to move away from the rotation trajectory of the semiconical tooth 33, and the semiconical tooth 33 does not act on the first conical pulley 35 and the second conical pulley 56. Slides above in conjunction with the second sliding connecting block 45 when the grooved blocks 47 slide up and the connection block 43, in conjunction with the spline shaft 36 the connection block 43 through the exchange sets 38 It slides up and extends into the second inner spline groove 40, and when the third exchange shaft 20 rotates, the agitation shaft 13 is driven to rotate and agitates in one direction.

The beneficial effect of the present invention is that when the present invention is in an initial state, the first sliding connection block cancels the upper end wall of the first sliding connection groove, and the second conical pulley meshes with the half-conical teeth, The grooved block cancels the bottom wall of the dovetail groove, and the spline shaft is disengaged from the second inner spline groove, and at this time, the second conical pulley is positioned on the rotational trajectory of the semi-conical tooth, The second conical pulley meshes with the semi-conical teeth when the replacement disk rotates.

When using, close the second valve, open the first valve, then put sewage and adsorbent into the guide groove, then close the first valve and start the first electric rotating machine The first electric rotating machine drives and rotates the second pulley through the third exchange shaft, the second pulley drives and rotates the second exchange shaft through the belt, and the second exchange A shaft drives and rotates the first exchange shaft through the fourth conical pulley, the first exchange shaft drives and rotates the exchange disk, and the semi-conical teeth rotate the second conical pulley. In the process of engaging with the first conical pulley away from the second conical pulley and rotating the exchange disk all the time, the agitating shaft is driven to reverse in the normal direction, and the agitating blade is sewage in the stored water. blend Stir.

When stirring in one direction, the second electric rotating machine is activated, the second electric rotating machine drives the first sliding connection block through the screw lever and slides down, and the first sliding connection block is lowered. When the first sliding connection block slides down, the second conical pulley is driven through the first shift fork to slide down and away from the half-conical teeth. And when the sliding connecting arm slides down, it drives the grooved block through the gear and slides up, thereby driving the first conical pulley through the shift fork and the half-conical teeth. above away from the rotation locus, the does not act on the half-cone teeth and the first conical pulley the second conical pulley, the grooved block When sliding, the second sliding connection block and the connection block slide upward and the connection block slides upward through the replacement set and extends to the second inner spline groove. , When the third exchange shaft rotates, the stirring shaft is driven and rotated to achieve unidirectional stirring.

The structure of this device is simple, convenient to use, can switch between unidirectional stirring and bidirectional stirring, and can be freely adjusted as needed, greatly increasing the treatment efficiency and quality of sewage.

The basic principle, main features and advantages of the present invention have been described and explained above. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and the specification are the principles of the present invention and do not depart from the significance and principles of the present invention. Therefore, there are various changes and improvements in the present invention, and these changes and improvements are within the protection scope of the present invention. The protection scope of the present invention is defined equivalent to the scope of the appended claims.

Claims (1)

A sewage treatment apparatus, comprising a case fixedly attached to a base, wherein recessed grooves are installed equally on the left and right side end surfaces of the case, and a hand frame is fixedly installed in the recessed groove , and the hand frame Makes it convenient to move and carry the case, a water storage housing is installed in the case, a first replacement housing is installed on the top wall of the water storage housing, and the first replacement housing is installed on the top wall of the water storage housing . A guide groove located on the left side of the replacement housing is installed, a discharge groove connected to the outside is installed on the bottom wall of the water storage housing, and a communication end connected to the water storage housing is installed on the bottom wall of the guide groove A second replacement casing is installed on the right side of the first replacement casing, a third replacement casing extending leftward is installed on the upper side of the second replacement casing, and the first replacement casing is An exchange groove is installed between the three exchange cases, and the first exchange A stirring shaft extending vertically is attached to the bottom wall of the body so as to be rotatable, a lower end of the stirring shaft extends to the water storage housing, a plurality of stirring blades are fixedly attached, and an upper end of the stirring shaft is Is attached to the exchange groove so as to be rotatable, and the agitation shaft is located in the first exchange casing and an outer spline is installed, A first conical pulley and a second conical pulley to be engaged are installed, and a rotating device that drives the first conical pulley and the second conical pulley to the left end wall of the first exchange housing and slides up and down is connected. A first exchange shaft that is installed and extends to the left and right between the first exchange housing and the second exchange housing is rotatably attached, and a left end of the first exchange shaft is attached to the first exchange housing The replacement disk is fixed and attached, A semi-conical tooth that engages and connects with the first conical pulley and the second conical pulley is fixedly installed on the left end surface of the exchange disk, and the right end of the first exchange shaft is the second exchange housing And a third conical pulley is fixedly attached, and a second exchange shaft extending vertically between the third exchange housing and the second exchange housing is rotatably attached, A fourth conical pulley is fixedly attached to a lower end of the exchange shaft that extends into the second exchange housing and engages and connects with the third conical pulley, and an upper end of the second exchange shaft is the third exchange. A first pulley is fixedly attached to extend to the housing, and a third exchange shaft extending upward is rotatably attached to an upper portion of the exchange groove, and an upper end of the third exchange shaft is a top wall of the case Can transmit power to the first electric rotating machine fixedly mounted on The second pulley is fixedly attached to the third exchange shaft, the first pulley and the second pulley are connected so that power can be transmitted through the belt, and are directed upward to the stirring shaft A first inner spline groove is installed, a spline shaft is splined into and engaged with the first inner spline groove, and a second inner spline groove is engaged with the spline shaft downwardly on the third replacement shaft; Installed, a separation device is installed on the left end wall of the exchange groove, and the turning device is located on the first slide connection groove and the first slide connection groove installed on the left end wall of the first exchange housing, and A dovetail groove coupled to the first exchange housing, and a second slipping connection groove extending upward on the left side of the upper end wall of the first slipping connection groove is installed, and between the second slipping connection groove and the dovetail groove A first series of housings are installed and in the first sliding connection groove Attached first sliding connection block that can connect slipping down, rotating the first sliding connecting block to the screw lever extending vertically mounted engaged, the bottom wall of the lower end of the first sliding connecting groove of the screw lever The screw lever is mounted as possible, and the upper end of the screw lever is connected by power to a second electric rotating machine fixedly attached to the top wall of the first slip connection groove, and the first slide is inserted into the second slide connection groove. A sliding connection arm that is fixedly connected to the connection block is attached by sliding connection, a first rack is installed on the right end surface of the sliding connection arm, and a grooved block that can be slidably connected up and down is attached to the dovetail groove , second rack is placed on the left end surface of the grooved block, the gear being connected engagement with the said first rack second rack in said first communication enclosure device through fourth replacement shaft Rolling and mounted, the first sliding connection block and the right end to the first shift fork and a second shift fork each of the grooved block is mounted fixedly, wherein the separation device above is installed on the upper end wall of the dovetail groove A second sliding housing that is connected to each other between the third sliding connection groove and the exchange groove, and is provided with the groove vertically in the third sliding connection groove. A second sliding connection block fixedly connected to the block is attached by sliding connection, a connection block extending to the left and right is attached to the second communication housing by sliding connection, and a left end of the connection block is the second sliding connection block The replacement set is fixedly attached with the right end extending into the replacement groove, and the replacement set is fitted to the spline shaft through a bearing, and is connected to the communication end. A sewage treatment apparatus, wherein a first valve and a second valve are respectively attached to the grooves, and an inclined surface connected to the discharge groove is installed on a bottom wall of the water storage housing.