Sewage treatment device for starch production workshop

Abstract

The utility model discloses a starch production workshop sewage treatment device in the technical field of starch sewage treatment devices, which comprises a pretreatment mechanism, a biochemical treatment mechanism and a deep treatment mechanism, the biochemical treatment mechanism comprises an aeration box, an activated sludge adding assembly, a temperature control assembly and a second main control circuit board, and the deep treatment mechanism comprises an adsorption box, a separation box, an oxidation box, a disinfection box and a third main control circuit board which are sequentially arranged. Therefore, the flocculating agent capacity, the PH value, the activated sludge concentration, the aeration time, the aeration temperature, the adsorption time, the separation time, the oxidation time and the disinfection time are automatically controlled according to the wastewater capacity, the wastewater treatment efficiency is further improved, and the wastewater can be fully reacted.

Description

Technical Field

[0001] The utility model relates to the technical field of starch sewage treatment devices, in particular to a sewage treatment device for a starch production workshop. Background Technique

[0002] In recent years, with the development of population and economy, environmental problems have become increasingly serious. The Chinese government and the general public have attached great importance to them. Among them, the problem of water pollution has become a relatively key and difficult problem among many environmental problems. Water pollution causes soil pollution, which in turn causes air pollution and destroys the overall ecological environment. The main sources of water pollution are domestic sewage and industrial sewage;

[0003] Starch production is an important industrial process, but its wastewater contains high concentrations of organic matter and suspended solids, causing serious pollution to the environment. At present, the starch production sewage treatment process mainly includes three steps: pretreatment, biochemical treatment, and advanced treatment. Pretreatment mainly involves the preliminary solid-liquid separation of starch production wastewater and the removal of large particulate impurities. Biochemical treatment mainly degrades organic matter into harmless substances through the action of microorganisms. Advanced treatment mainly further purifies the wastewater after biochemical treatment to meet the discharge standards;

[0004] However, the current starch sewage treatment device cannot automatically control the flocculant, pH value, activated sludge concentration, aeration time, aeration temperature, adsorption time, separation time, oxidation time, and disinfection time according to the wastewater volume. On the one hand, it is easy to cause insufficient wastewater treatment, and on the other hand, it will affect the wastewater treatment efficiency. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art solutions, the utility model provides a sewage treatment device for a starch production workshop, which can effectively solve the technical problem that the current starch sewage treatment device cannot automatically control the flocculant, pH value, activated sludge concentration, aeration time, aeration temperature, adsorption time, separation time, oxidation time, and disinfection time according to the wastewater volume, which is easy to cause insufficient wastewater treatment on the one hand and affect the wastewater treatment efficiency on the other hand.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a sewage treatment device for a starch production workshop, including a pretreatment mechanism, a biochemical treatment mechanism, and an advanced treatment mechanism. The pretreatment mechanism includes a sedimentation tank, a flocculant addition component, a pH automatic adjustment component, and a first main control circuit board. A filter screen is provided at the bottom of the sedimentation tank, and a lifting component for controlling the up and down movement of the filter screen is provided at the top of the sedimentation tank. Three first liquid level sensors are arranged at intervals in the sedimentation tank, and the first liquid level sensors are electrically connected to the first main control circuit board. The first main control circuit board is respectively connected to the lifting component, the flocculant addition component, and the pH automatic adjustment component for control;

[0007] The biochemical treatment mechanism includes an aeration tank, an activated sludge addition component, a temperature control component, and a second main control circuit board. An aeration head is provided inside the aeration tank. Three second liquid level sensors are provided inside the aeration tank at intervals in the up and down direction. The second liquid level sensors are electrically connected to the second main control circuit board. The second main control circuit board is respectively connected to the aeration head, the activated sludge addition component, and the temperature control component for control;

[0008] The advanced treatment mechanism includes an adsorption tank, a separation tank, an oxidation tank, a disinfection tank, and a third main control circuit board arranged in sequence. A first drain pipe and a first intelligent valve are provided between the adsorption tank and the separation tank. A second drain pipe and a second intelligent valve are provided between the separation tank and the oxidation tank. A third drain pipe and a third intelligent valve are provided between the oxidation tank and the disinfection tank. An activated carbon adsorption column is provided inside the adsorption tank. A filter membrane is provided inside the separation tank. An oxidant is provided inside the oxidation tank. An ultraviolet disinfection lamp is provided inside the disinfection tank. Three third liquid level sensors are provided inside the adsorption tank, the separation tank, the oxidation tank, and the disinfection tank at intervals in the up and down direction. The third liquid level sensors are electrically connected to the third main control circuit board. The third main control circuit respectively controls and connects the first intelligent valve, the second intelligent valve, the third intelligent valve, and the ultraviolet disinfection lamp.

[0009] Preferably, a guide rod is provided at the bottom of the sedimentation tank. The filter screen is slidably connected to the guide rod. The lifting component includes a cylinder mounting frame and a lifting cylinder. The output shaft of the lifting cylinder is connected to the filter screen.

[0010] Preferably, the flocculant addition component includes a flocculant storage tank, a first delivery pipe, and a first spray head. The first main control circuit board is connected to the first spray head for control.

[0011] Preferably, the PH automatic adjustment component includes a PH sensor, an acid addition container tank, an alkali addition container tank, a second delivery pipe, a second spray head, a third delivery pipe, and a third spray head. The PH sensor is electrically connected to the first main control circuit board. The first main control circuit board is respectively connected to the second spray head and the third spray head for control.

[0012] Preferably, the activated sludge addition component includes an activated sludge storage tank, a fourth delivery pipe, and a fourth spray head. The second main control circuit board is connected to the fourth spray head for control.

[0013] Preferably, the temperature control component includes a heating box provided at the bottom of the aeration tank and a temperature sensor provided inside the aeration tank. A heating tube is provided inside the heating box. The temperature sensor is electrically connected to the second main control circuit board. The second main control circuit board is connected to the heating tube for control.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By arranging three first liquid level sensors distributed at intervals up and down inside the precipitation tank, three second liquid level sensors distributed at intervals up and down inside the aeration tank, and third liquid level sensors distributed at intervals up and down inside the adsorption tank, separation tank, oxidation tank and disinfection tank, and at the same time, the first liquid level sensor is electrically connected to the first main control circuit board, and the first main control circuit board is respectively connected to the lifting component, the flocculant adding component and the PH automatic adjustment component in a control manner, the second liquid level sensor is electrically connected to the second main control circuit board, and the second main control circuit board is respectively connected to the aeration head, the activated sludge adding component and the temperature control component in a control manner, the third liquid level sensor is electrically connected to the third main control circuit board, and the third main control circuit is respectively connected to the first intelligent valve, the second intelligent valve, the third intelligent valve and the ultraviolet disinfection lamp in a control manner. Therefore, through the detection of the first liquid level sensor, the second liquid level sensor and the third liquid level sensor, the automatic control of the flocculant capacity, PH value, activated sludge concentration, aeration time, aeration temperature, adsorption time, separation time, oxidation time and disinfection time can be realized according to the waste water volume, thereby improving the efficiency of waste water treatment and enabling the waste water to react fully. Description of the Drawings

[0016] Figure 1 Is a three-dimensional view of a sewage treatment device for a starch production workshop of the present utility model;

[0017] Figure 2 Is a plan view of a sewage treatment device for a starch production workshop of the present utility model;

[0018] Figure 3 Is a control module diagram of the first main control circuit board, the second main control circuit board and the third main control circuit board in a sewage treatment device for a starch production workshop of the present utility model.

[0019] Reference numerals in the drawings:

[0020] 1 - precipitation tank, 11 - lifting cylinder, 12 - flocculant storage tank, 13 - alkali adding container tank, 14 - acid adding container tank, 15 - filter screen, 16 - guide rod, 2 - aeration tank, 21 - heating tank, 22 - activated sludge storage tank, 23 - heating tube, 3 - adsorption tank, 31 - activated carbon adsorption column, 4 - separation tank, 41 - filter membrane, 5 - oxidation tank, 51 - oxidant, 6 - disinfection tank, 61 - ultraviolet disinfection lamp. Detailed Embodiments

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] As Figures 1-3 shown, the present invention provides a sewage treatment device for a starch production workshop, which includes a pretreatment mechanism, a biochemical treatment mechanism, and a deep treatment mechanism. The pretreatment mechanism includes a sedimentation tank 1, a flocculant addition component, a PH automatic adjustment component, and a first main control circuit board. A filter screen 15 is provided at the bottom of the sedimentation tank 1, and a lifting component for controlling the up and down movement of the filter screen 15 is provided at the top of the sedimentation tank 1. A guide rod 16 is provided at the bottom of the sedimentation tank 1, and the filter screen 15 is slidably connected with the guide rod 16. The lifting component includes a cylinder mounting frame and a lifting cylinder 11, and the output shaft of the lifting cylinder 11 is connected to the filter screen 15. Three first liquid level sensors are provided at intervals up and down inside the sedimentation tank 1, and the first liquid level sensors are electrically connected to the first main control circuit board. The first main control circuit board is respectively connected to the lifting component, the flocculant addition component, and the PH automatic adjustment component for control. The flocculant addition component includes a flocculant storage tank 12, a first delivery pipe, and a first spray head, and the first main control circuit board is connected to the first spray head for control. The PH automatic adjustment component includes a PH sensor, an acid addition container tank 14, an alkali addition container tank 13, a second delivery pipe, a second spray head, a third delivery pipe, and a third spray head. The PH sensor is electrically connected to the first main control circuit board, and the first main control circuit board is respectively connected to the second spray head and the third spray head for control;

[0023] The biochemical treatment mechanism includes an aeration tank 2, an activated sludge addition component, a temperature control component, and a second main control circuit board. An aeration head is provided inside the aeration tank 2. Three second liquid level sensors are provided at intervals up and down inside the aeration tank 2, and the second liquid level sensors are electrically connected to the second main control circuit board. The second main control circuit board is respectively connected to the aeration head, the activated sludge addition component, and the temperature control component for control. The activated sludge addition component includes an activated sludge storage tank 22, a fourth delivery pipe, and a fourth spray head, and the second main control circuit board is connected to the fourth spray head for control. The temperature control component includes a heating tank 21 provided at the bottom of the aeration tank 2 and a temperature sensor provided inside the aeration tank 2. A heating tube 23 is provided inside the heating tank 21. The temperature sensor is electrically connected to the second main control circuit board, and the second main control circuit board is connected to the heating tube 23 for control;

[0024] The advanced treatment mechanism includes an adsorption tank 3, a separation tank 4, an oxidation tank 5, a disinfection tank 6 and a third main control circuit board arranged in sequence. A first drain pipe and a first intelligent valve are provided between the adsorption tank 3 and the separation tank 4. A second drain pipe and a second intelligent valve are provided between the separation tank 4 and the oxidation tank 5. A third drain pipe and a third intelligent valve are provided between the oxidation tank 5 and the disinfection tank 6. An activated carbon adsorption column 31 is arranged inside the adsorption tank 3. A filter membrane 41 is arranged inside the separation tank 4. An oxidant 51 is arranged inside the oxidation tank 5. An ultraviolet disinfection lamp 61 is arranged inside the disinfection tank 6. Three third liquid level sensors are arranged at upper and lower intervals inside the adsorption tank 3, the separation tank 4, the oxidation tank 5 and the disinfection tank 6. The third liquid level sensors are electrically connected to the third main control circuit board. The third main control circuit is respectively connected to the first intelligent valve, the second intelligent valve, the third intelligent valve and the ultraviolet disinfection lamp 61 for control.

[0025] Compared with the traditional technology: by arranging three first liquid level sensors at upper and lower intervals inside the sedimentation tank 1, arranging three second liquid level sensors at upper and lower intervals inside the aeration tank 2, and arranging third liquid level sensors at upper and lower intervals inside the adsorption tank 3, the separation tank 4, the oxidation tank 5 and the disinfection tank 6. At the same time, the first liquid level sensors are electrically connected to the first main control circuit board, and the first main control circuit board is respectively connected to the lifting assembly, the flocculant adding assembly and the PH automatic adjustment assembly for control. The second liquid level sensors are electrically connected to the second main control circuit board, and the second main control circuit board is respectively connected to the aeration heads, the activated sludge adding assembly and the temperature control assembly for control. The third liquid level sensors are electrically connected to the third main control circuit board, and the third main control circuit is respectively connected to the first intelligent valve, the second intelligent valve, the third intelligent valve and the ultraviolet disinfection lamp 61 for control. Therefore, through the detection of the first liquid level sensors, the second liquid level sensors and the third liquid level sensors, it is possible to automatically control the flocculant capacity, PH value, activated sludge concentration, aeration time, aeration temperature, adsorption time, separation time, oxidation time and disinfection time according to the wastewater volume, thereby improving the efficiency of wastewater treatment and enabling the wastewater to react fully.

[0026] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A sewage treatment device for a starch production workshop, comprising a pretreatment mechanism, a biochemical treatment mechanism and a deep treatment mechanism, characterized in that, The pre-treatment mechanism includes a sedimentation tank, a flocculant addition component, a pH automatic adjustment component, and a first main control circuit board. A filter screen is provided at the bottom of the sedimentation tank, and a lifting component for controlling the up and down movement of the filter screen is provided at the top of the sedimentation tank. Three first liquid level sensors are arranged at intervals in the vertical direction inside the sedimentation tank. The first liquid level sensors are electrically connected to the first main control circuit board, and the first main control circuit board is respectively connected to the lifting component, the flocculant addition component, and the pH automatic adjustment component for control; The biochemical treatment mechanism includes an aeration tank, an activated sludge addition component, a temperature control component, and a second main control circuit board. An aeration head is provided inside the aeration tank. Three second liquid level sensors are arranged at intervals in the vertical direction inside the aeration tank. The second liquid level sensors are electrically connected to the second main control circuit board, and the second main control circuit board is respectively connected to the aeration head, the activated sludge addition component, and the temperature control component for control; The advanced treatment mechanism includes an adsorption tank, a separation tank, an oxidation tank, a disinfection tank, and a third main control circuit board arranged in sequence. A first drain pipe and a first intelligent valve are provided between the adsorption tank and the separation tank, a second drain pipe and a second intelligent valve are provided between the separation tank and the oxidation tank, and a third drain pipe and a third intelligent valve are provided between the oxidation tank and the disinfection tank. An activated carbon adsorption column is provided inside the adsorption tank, a filter membrane is provided inside the separation tank, an oxidant is provided inside the oxidation tank, and an ultraviolet disinfection lamp is provided inside the disinfection tank. Three third liquid level sensors are arranged at intervals in the vertical direction inside the adsorption tank, the separation tank, the oxidation tank, and the disinfection tank. The third liquid level sensors are electrically connected to the third main control circuit board, and the third main control circuit is respectively connected to the first intelligent valve, the second intelligent valve, the third intelligent valve, and the ultraviolet disinfection lamp for control.

2. The sewage treatment device for a starch production workshop according to claim 1, wherein, Guide rods are provided at the bottom of the sedimentation tank, and the filter screen is slidably connected to the guide rods. The lifting component includes a cylinder mounting frame and a lifting cylinder, and the output shaft of the lifting cylinder is connected to the filter screen.

3. The sewage treatment device for a starch production workshop according to claim 1, wherein, The flocculant addition component includes a flocculant storage tank, a first delivery pipe, and a first spray head. The first main control circuit board is connected to the first spray head for control.

4. A sewage treatment device for a starch production workshop according to claim 1, characterized in that, The pH automatic adjustment component includes a pH sensor, an acid addition container tank, an alkali addition container tank, a second delivery pipe, a second spray head, a third delivery pipe, and a third spray head. The pH sensor is electrically connected to the first main control circuit board, and the first main control circuit board is respectively connected to the second spray head and the third spray head for control.

5. The sewage treatment device for a starch production workshop according to claim 1, characterized in that, The activated sludge addition component includes an activated sludge storage tank, a fourth delivery pipe, and a fourth spray head. The second main control circuit board is connected to the fourth spray head for control.

6. The sewage treatment device for a starch production workshop according to claim 1, wherein, The temperature control component includes a heating box provided at the bottom of the aeration tank and a temperature sensor provided inside the aeration tank. A heating tube is provided inside the heating box. The temperature sensor is electrically connected to the second main control circuit board, and the second main control circuit board is connected to the heating tube for control.

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