Semen armeniacae amarae wastewater treatment device

Abstract

The utility model discloses a bitter apricot kernel wastewater treatment device which comprises an equipment shell, a water inlet pipe and a water outlet pipe are respectively arranged on the equipment shell, and a wastewater treatment assembly communicated with the water inlet pipe and the water outlet pipe is arranged in the equipment shell; the wastewater treatment assembly comprises a plurality of groups of apricot shell adsorption tanks which are connected in series, apricot shells are filled in the apricot shell adsorption tanks and are used as adsorbents, the apricot shells adsorbing hydrocyanic acid are subjected to carbonization treatment, and the hydrocyanic acid is destroyed in the carbonization treatment process and forms a part of pyroligneous liquor; the hydrofluoric acid on-line detector is arranged at the downstream of the apricot shell adsorption tank and is used for detecting the content of hydrofluoric acid in the treated wastewater; the control valve group is connected to the water inlet pipelines and the water outlet pipelines of the apricot shell adsorption tanks and is used for controlling the working states of the multiple groups of apricot shell adsorption tanks. The device is efficient in use, easy to operate, low in maintenance cost, safe and reliable, hydrofluoric acid is eliminated in the carbonization process, waste water is recycled, and water resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural product deep processing wastewater treatment technology, and specifically relates to a bitter almond wastewater treatment device. BACKGROUND

[0002] Bitter almond glycoside is a natural product composed of aromatic cyanoglycoside derived from amino acid, and its molecular formula is C 20 H 27 NO 11 composed of one HCN, one benzaldehyde and two C6H 12 O6 molecules, and there are D- and L- types of bitter almond glycoside, and natural bitter almond glycoside is D- type bitter almond glycoside, which mostly exists in the seeds and kernels of stone fruits such as peaches and sweet almonds. Modern medical research shows that bitter almond has high medicinal value. On the one hand, it has the effects of moistening the lungs, relieving cough and reducing sputum; at the same time, it is also found to have a strong anticancer effect, which can effectively kill tumor cells and inhibit their proliferation. The reason why bitter almond glycoside has such effects is mainly because it is very unstable and can easily undergo hydrolysis under the influence of acid or some enzymes in the human intestinal tract to generate benzaldehyde, glucose, hydrocyanic acid and other substances.

[0003] If the human body takes in excessive hydrocyanic acid, it will cause poisoning, and symptoms of mild poisoning will appear, such as dizziness, vomiting, diarrhea, etc.; severe poisoning can even cause cardiac arrest and eventually death. The content of bitter almond glycoside in bitter almonds of different varieties or producing areas is different, but the lethal dose of hydrocyanic acid is 0.5-3.5 mg / kg, so in order to ensure the edible safety of almond products, it is necessary to process and detoxify them. The commonly used detoxification method in industry at present is water boiling method, which produces a large amount of wastewater. Wastewater treatment has become a key link in bitter almond detoxification.

[0004] The treatment methods of bitter almond wastewater mainly include physical method, chemical method and biochemical method.

[0005] Physical method: this method involves technologies such as air flotation, filtration, sedimentation, centrifugation and extrusion. For example, air flotation device can be used for flocculation treatment to remove suspended solids in wastewater.

[0006] Chemical method: including neutralization, oxidation-reduction, electrolysis, extraction, adsorption, reverse osmosis, etc. For example, calcium hydroxide is used to adjust the pH of wastewater to 7-8, and then air stripping treatment is carried out to remove hydrocyanic acid.

[0007] Biochemical method: this method covers a variety of methods such as activated sludge method, contact oxidation method, biofilm method and oxidation pond. For example, wastewater is introduced into a UASB reactor for anaerobic treatment, followed by biological degradation, including hydrolysis, sedimentation, aerobic treatment and other steps.

[0008] These methods either involve complex processes, high production costs, or long processing times.

[0009] Therefore, how to provide a device that is efficient, easy to operate, low in maintenance cost, safe and reliable for treating wastewater containing hydrocyanic acid generated during the debittering of bitter almonds is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0010] In view of this, the present invention provides a bitter almond wastewater treatment device for treating wastewater containing hydrocyanic acid generated during the bitter almond debittering process. It utilizes apricot shells as activated carbon to efficiently remove organic matter and some inorganic substances from the wastewater, thereby purifying the wastewater. The present invention is highly efficient, easy to operate, has low maintenance costs, and is safe and reliable.

[0011] To achieve the above objectives, this utility model adopts the following technical solution: a bitter almond wastewater treatment device, comprising:

[0012] The equipment casing is provided with an inlet pipe and an outlet pipe, and the interior of the equipment casing is provided with a wastewater treatment component that is connected to the inlet pipe and the outlet pipe;

[0013] The wastewater treatment assembly includes multiple sets of apricot shell adsorption tanks connected in series. The apricot shell adsorption tanks are filled with apricot shells and used as adsorbents. The apricot shells that have adsorbed hydrogen cyanide are carbonized. During the carbonization process, the hydrogen cyanide is destroyed and forms part of the wood vinegar.

[0014] An online hydrofluoric acid detector is installed downstream of an apricot shell adsorption tank to detect the hydrofluoric acid content in the treated wastewater.

[0015] A control valve assembly is connected to the inlet and outlet pipes of the apricot shell adsorption tank and controls the working status of multiple apricot shell adsorption tanks.

[0016] The technical advantages of this invention are as follows: the inlet and outlet pipes refer to the pipelines before the wastewater enters the wastewater treatment component and the pipelines through which the treated wastewater needs to be discharged. The core lies in the wastewater treatment component's treatment of the wastewater, aiming to reduce the hydrofluoric acid content in the bitter almond wastewater, ensuring that the wastewater discharge meets standards. This invention utilizes multiple sets of apricot shell adsorption tanks to achieve efficient adsorption of organic matter and some inorganic substances in the wastewater. The treated wastewater can be reused, saving water resources. The apricot shells after adsorbing hydrocyanic acid are used to make activated carbon. During the carbonization process, hydrocyanic acid is dehydrogenated, becoming part of the wood vinegar, and trace amounts of nitrogen are converted into ammonium salts, also entering the wood vinegar. Furthermore, the generated activated carbon can be sold as a new commodity, showing broad application prospects.

[0017] Preferably, the water inlet end of the apricot shell adsorption tank is flared, the water outlet end of the apricot shell adsorption tank is tapered, the water outlet end of the apricot shell adsorption tank is provided with a water quality automatic monitor, the apricot shell adsorption tank is provided with a grid near the water outlet end to facilitate separation of apricot shells from wastewater, and the hydrogen fluoride online detector is installed on the water outlet end pipeline of the apricot shell adsorption tank.

[0018] The technical effect produced thereby is that the water inlet process and water outlet process of the apricot shell adsorption tank are affected by the flared water inlet end and the tapered water outlet end, the flow rate is changed, online detection of the hydrogen cyanide acid content in the treated water can be effectively realized in the initial stage of wastewater treatment, the batch apricot shell adsorption capacity can be predicted, and the water quality automatic monitor obtains detection information based on radio frequency technology, and detection is accurate.

[0019] Preferably, the wastewater inlet end of the apricot shell adsorption tank is located at the bottom side, the treated water outlet end is located at one side of the top, and an upward flow treatment process of the treated water is realized.

[0020] The technical effect produced thereby is that the upward flow of the treated water in the apricot shell adsorption tank can effectively inhibit suspended particles in the water, has high removal capacity for turbidity and colority in sewage, in addition, the upward flow filtration has good denitrification performance, does not need a "nitrogen driving" device, can make the filtration speed faster, the water head loss lower, the operation and management more simple, and will not appear falling type oxygenation, and can save carbon source.

[0021] The technical effect produced thereby is that the apricot shell adsorption tank is a single-layer tank or a multi-layer tank, in the single-layer tank state, apricot shell inlet covers and apricot shell outlet covers are detachably connected to two ends of the apricot shell adsorption tank, a wastewater inlet and a treated wastewater outlet are respectively arranged at an edge of a bottom side and an edge of a top side of the apricot shell adsorption tank, in the multi-layer tank state, a partition plate is arranged in the apricot shell adsorption tank and divides the tank body into two apricot shell cavities, a pipeline conversion valve is arranged at the wastewater inlet of the bottom of the apricot shell adsorption tank and communicates the two apricot shell cavities, an apricot shell inlet cover is arranged at the top of the apricot shell adsorption tank, the apricot shell inlet cover is provided with treated wastewater outlets corresponding to the two apricot shell cavities, and apricot shell outlet covers corresponding to the two apricot shell cavities are arranged on the apricot shell adsorption tank.

[0022] The technical effect produced thereby is that whether it is a single-layer tank or a multi-layer tank, the upward flow of the treated water needs to be ensured during use, of course, the advantage of the multi-layer tank is that the apricot shells can be replaced without stopping the machine, in this state, the apricot shell adsorbent is placed into the apricot shell outlet cover to ensure the continuity of the use of the equipment, and whether the multi-layer tank or the single-layer tank is used can be selected according to the use needs.

[0023] Preferably, the apricot shell adsorption tank comprises a first apricot shell adsorption tank, a second apricot shell adsorption tank, a third apricot shell adsorption tank, a fourth apricot shell adsorption tank and a fifth apricot shell adsorption tank, the first apricot shell adsorption tank, the second apricot shell adsorption tank, the third apricot shell adsorption tank, the fourth apricot shell adsorption tank and the fifth apricot shell adsorption tank are connected in series through pipelines, the second apricot shell adsorption tank is provided with a first bypass wastewater inlet, the second apricot shell adsorption tank is connected with the water inlet pipe through the first bypass wastewater inlet, the third apricot shell adsorption tank is provided with a second bypass wastewater inlet, the third apricot shell adsorption tank is connected with the water inlet pipe through the second bypass wastewater inlet, the third apricot shell adsorption tank is provided with a first treated wastewater pipeline connected with the water outlet pipe, the fourth apricot shell adsorption tank is provided with a second treated wastewater pipeline connected with the water outlet pipe, the fifth apricot shell adsorption tank is provided with a third treated wastewater pipeline connected with the water outlet pipe, and the first treated wastewater pipeline, the second treated wastewater pipeline and the third treated wastewater pipeline are respectively connected with a hydrofluoric acid on-line detector.

[0024] Preferably, the first control valve is installed on the pipeline between the water inlet end of the first apricot shell adsorption tank and the water inlet pipe, the second control valve is connected on the pipeline between the first bypass wastewater inlet and the water inlet pipe, the third control valve is connected on the pipeline between the second bypass wastewater inlet and the water inlet pipe, the fourth control valve is connected on the first treated wastewater pipeline, the fifth control valve is connected on the second treated wastewater pipeline, the sixth control valve is connected on the third treated wastewater pipeline, the first apricot shell adsorption tank, the second apricot shell adsorption tank, the third apricot shell adsorption tank and the first treated wastewater pipeline constitute a first treated water path, the second apricot shell adsorption tank, the third apricot shell adsorption tank, the fourth apricot shell adsorption tank and the second treated wastewater pipeline constitute a second treated water path, and the third apricot shell adsorption tank, the fourth apricot shell adsorption tank, the fifth apricot shell adsorption tank and the third treated wastewater pipeline constitute a third treated water path.

[0025] Therefore, the multiple groups of apricot shell adsorption tanks in the utility model work in groups of three tanks, multiple treated water paths are arranged in the device, and the treated water path can be selected for use, so that the apricot shells in other adsorption tanks can be replaced conveniently, and when the first treated water path fails, the second treated water path is replaced, when the second treated water path fails, the third treated water path is replaced, and the apricot shells in the idle adsorption tanks can be replaced simultaneously, thereby facilitating the whole water treatment process.

[0026] The utility model discloses also a wastewater method using the above-mentioned bitter apricot kernel wastewater treatment device, which comprises the following steps:

[0027] Step one: connect the multiple groups of apricot shell adsorption tanks in the wastewater treatment assembly, establish the communication pipeline relationship with the water inlet pipe and the water outlet pipe, install the hydrofluoric acid on-line detector and the control valve group, and detect the electrical connection relationship of the electronic elements;

[0028] Step two: the broken shell almond shell is crushed to 0.5-1.2mm particles, loaded into the apricot shell adsorption tank;

[0029] Step three: the bitter almond de-bittering wastewater is sent into the water inlet pipe at a speed of 0.10-0.15m / s, the wastewater in the water inlet pipe is discharged from the water outlet pipe after passing through the wastewater treatment assembly, and the hydrofluoric acid in the wastewater is adsorbed by the apricot shell;

[0030] Step four: the adsorption state of the apricot shell in the apricot shell adsorption tank is judged by the hydrofluoric acid online detection sensor, when the apricot shell is saturated, the saturated apricot shell is taken out and sent into the carbonization furnace for carbonization treatment, and the hydrogen cyanide acid is destroyed in the carbonization process, thereby avoiding the pollution of hydrogen cyanide acid to the environment, and the process molecular formula is:

[0031]

[0032] The saturated apricot shell is carbonized at high temperature, the hydrogen cyanide acid is dehydrogenated, becomes part of the wood vinegar, and the trace N element becomes ammonium salt into the wood vinegar, and the wastewater treated by the wastewater treatment assembly can be reused.

[0033] The apricot shell is used as the adsorbent to adsorb and remove the organic matter and part of the inorganic matter in the wastewater, so that the adsorption purification of the wastewater is realized, the toxic substances can be removed from the saturated apricot shell in the carbonization process, the produced activated carbon can be used for other needs, the resources are fully utilized, the wastewater can be reused, and the water resource is saved.

[0034] Preferably, the apricot shell in the step two is the bitter almond shell, the bitter almond shell is used as the activated carbon adsorbent to adsorb and treat the wastewater, and the bitter almond shell is loaded into a mesh bag and placed into the apricot shell adsorption tank.

[0035] Therefore, the bitter almond shell can be loaded into the mesh bag and placed into the apricot shell adsorption tank, and the bitter almond shell is convenient to replace and treat in the later period.

[0036] Preferably, in the step three, the ratio of the apricot shell to the wastewater in the apricot shell adsorption tank is 1:2, and the treatment time of the wastewater in the wastewater treatment assembly is 5min.

[0037] Therefore, the hydrogen cyanide acid in the wastewater is exhibited in the form of color through the Prussian blue reaction, the content of the hydrogen cyanide acid in the wastewater is different, the color depth is different, the color is determined through the color difference instrument, the color is the shallowest, the effect is the best, the best wastewater treatment time is determined, and finally the equipment is designed according to the test result. The test result shows that when the bitter almond shell:wastewater = 1:2 and the treatment time is 5min, the treatment effect is the best.

[0038] Preferably, in the fourth step, the detection threshold of the hydrofluoric acid online detector is 1 ug / L, and when the detection threshold is greater than the detection threshold, the processing waterway needs to be replaced, and the idle adsorbed saturated apricot shell is taken out and carbonized.

[0039] The technical effect produced thereby is that when the hydrofluoric acid in a certain processing waterway exceeds the threshold, another processing waterway needs to be replaced, and the apricot shell in the idle apricot shell adsorption tank is replaced, and the replaced apricot shell is carbonized. BRIEF DESCRIPTION OF DRAWINGS

[0040] Fig. 1 It is a main body schematic of the bitter apricot kernel wastewater treatment device of the utility model;

[0041] Fig. 2 It is a wastewater treatment assembly layout schematic of the bitter apricot kernel wastewater treatment device of the utility model;

[0042] Fig. 3 It is a wastewater treatment process schematic of the bitter apricot kernel wastewater treatment device of the utility model;

[0043] Fig. 4 It is a connection schematic between adjacent adsorption tanks of the bitter apricot kernel wastewater treatment device of the utility model;

[0044] Fig. 5 It is apricot shell adsorption tank structure one of the bitter apricot kernel wastewater treatment device of the utility model;

[0045] Fig. 6 It is apricot shell adsorption tank structure two of the bitter apricot kernel wastewater treatment device of the utility model.

[0046] 1 device shell, 2 water inlet pipe, 3 water outlet pipe, 4 wastewater treatment assembly, 41 first apricot shell adsorption tank, 42 second apricot shell adsorption tank, 43 third apricot shell adsorption tank, 44 fourth apricot shell adsorption tank, 45 fifth apricot shell adsorption tank, 46 first bypass wastewater inlet, 47 second bypass wastewater inlet, 48 first processing wastewater pipeline, 49 second processing wastewater pipeline, 410 third processing wastewater pipeline, 411 apricot shell inlet cover, 412 apricot shell outlet cover, 413 wastewater inlet, 414 processing wastewater outlet, 415 pipeline conversion valve, 5 hydrofluoric acid online detector, 6 control valve group, 61 first control valve, 62 second control valve, 63 third control valve, 64 fourth control valve, 65 fifth control valve, 66 sixth control valve, 7 apricot shell, 8 carbon furnace. DETAILED DESCRIPTION

[0047] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0048] Refer to the drawings of the present utility model Figs. 1 to 6 According to the present utility model embodiment bitter almond wastewater treatment device, it includes:

[0049] The equipment shell 1 is equipped with the water inlet pipe 2 and the water outlet pipe 3 respectively, and the inside of the equipment shell 1 is equipped with the wastewater treatment assembly 4 communicated with the water inlet pipe 2 and the water outlet pipe 3.

[0050] The wastewater treatment assembly 4 includes five groups of apricot shell adsorption tanks in series, the inside of the apricot shell adsorption tank is filled with apricot shell 7 and used as adsorbent, the apricot shell carbonization treatment after adsorbing hydrocyanic acid, and the hydrocyanic acid is destroyed and forms part of pyroligneous liquid in the carbonization treatment process.

[0051] The material of the apricot shell adsorption tank should be selected from corrosion-resistant, wear-resistant materials that do not adversely affect the sewage treatment process, such as stainless steel or polymer composite materials.

[0052] In the case of the tank body, glass steel material can be selected, and the glass steel lining corrosion resistance is based on unsaturated polyester or vinyl resin as the matrix, using glass fiber as the matrix, and coating a layer of new resin with good corrosion resistance on the outer surface. The whole has good corrosion resistance, high strength, good impermeability and good toughness.

[0053] Hydrofluoric acid online detector 5, the hydrofluoric acid online detector 5 is installed on the downstream pipeline of the apricot shell adsorption tank and detects the content of hydrofluoric acid in the treated wastewater, which is used to judge the use state of the apricot shell adsorption tank.

[0054] Control valve group 6, the control valve group 6 is connected to the water inlet pipeline and the water outlet pipeline of the apricot shell adsorption tank and controls the working state of the multiple apricot shell adsorption tanks.

[0055] In other embodiments, the water inlet end of the apricot shell adsorption tank is flared, the action time of the apricot shell adsorption tank on the wastewater is prolonged, the water outlet end of the apricot shell adsorption tank is flared, the flow rate of the treated water is changed, the content of hydrofluoric acid in the treated water is detected by the hydrofluoric acid online detector, the water outlet end of the apricot shell adsorption tank is provided with a grid for separating the apricot shell from the wastewater, the grid includes a plane grid and a three-dimensional grid, and the hydrofluoric acid online detector 5 is installed at the water outlet end of the apricot shell adsorption tank.

[0056] It should be noted that the grid is mainly composed of grid bars, frames, supports, etc. The plane grid is mainly used to intercept large particle substances and suspended substances, while the three-dimensional grid is mainly used to intercept small particles and suspended particles, and can also reduce the coverage of the grid.

[0057] The selection of resin raw materials for sewage treatment grids should be based on the specific application. For example, if it is used in chemical industry, sewage treatment and offshore platforms with strong corrosion, etc., a vinyl resin with strong corrosion resistance should be selected. Adding calcium powder or aluminum powder can play a fireproof role. The grid made of it has bright color, high transparency and good toughness. In addition, carbon steel, stainless steel and glass steel can also be selected.

[0058] In other embodiments, the wastewater inlet end of the apricot shell adsorption tank is located at the bottom side, and the treated water outlet end is located at the top side to realize the upward flow treatment process of the treated water.

[0059] The upward flow filtration method can effectively inhibit the suspended particles in the water and has high removal capacity for turbidity and colority in sewage. In addition, the upward flow filtration method can make the filtration speed faster, the water head loss lower, the operation and management more simple, and will not appear falling type oxygenation. Compared with the conventional downward flow deep bed filter, it can save 20-30% of carbon source.

[0060] In other specific embodiments, the apricot shell adsorption tank is a single-layer tank or a multi-layer tank. In the single-layer tank state, the apricot shell adsorption tank is detachably connected with an apricot shell inlet cover 411 and an apricot shell outlet cover 412 at both ends respectively, and a wastewater inlet 413 and a treated wastewater outlet 414 are arranged at the bottom end edge and the top end edge of the apricot shell adsorption tank respectively. In the multi-layer tank state, a partition is arranged in the apricot shell adsorption tank to divide the tank body into two apricot shell cavities. A pipe conversion valve 415 is arranged at the wastewater inlet of the bottom of the apricot shell adsorption tank to communicate the two apricot shell cavities. An apricot shell inlet cover 411 is arranged at the top of the apricot shell adsorption tank, and a treated wastewater outlet 414 is arranged in the apricot shell inlet cover 411 corresponding to the two apricot shell cavities respectively. An apricot shell outlet cover 412 is arranged in the apricot shell adsorption tank corresponding to the two apricot shell cavities. The specific use is selected according to the actual needs.

[0061] It should be noted that the advantage of the multi-layer tank is that it does not need to stop when replacing the apricot shell, which can ensure the operation state and does not affect the water treatment process.

[0062] In some other embodiments, the apricot shell adsorption tank comprises a first apricot shell adsorption tank 41, a second apricot shell adsorption tank 42, a third apricot shell adsorption tank 43, a fourth apricot shell adsorption tank 44 and a fifth apricot shell adsorption tank 45, which are connected in series by pipes. The second apricot shell adsorption tank 42 is provided with a first bypass wastewater inlet 46, and the second apricot shell adsorption tank 42 is connected to the water inlet pipe 2 through the first bypass wastewater inlet 46. The third apricot shell adsorption tank 43 is provided with a second bypass wastewater inlet 47, and the third apricot shell adsorption tank 43 is connected to the water inlet pipe 2 through the second bypass wastewater inlet 47. The third apricot shell adsorption tank 43 is provided with a first treated wastewater pipe 48 connected to the water outlet pipe 3. The fourth apricot shell adsorption tank 44 is provided with a second treated wastewater pipe 49 connected to the water outlet pipe 3. The fifth apricot shell adsorption tank 45 is provided with a third treated wastewater pipe 410 connected to the water outlet pipe 3. The first treated wastewater pipe 48, the second treated wastewater pipe 49 and the third treated wastewater pipe 410 are respectively connected to the hydrogen fluoride online detector 5.

[0063] In order to facilitate control, the first control valve 61 is installed on the pipe between the water inlet end of the first apricot shell adsorption tank 41 and the water inlet pipe. The second control valve 62 is connected to the pipe between the first bypass wastewater inlet 46 and the water inlet pipe. The third control valve 63 is connected to the pipe between the second bypass wastewater inlet 47 and the water inlet pipe 2. The fourth control valve 64 is connected to the first treated wastewater pipe 48. The fifth control valve 65 is connected to the second treated wastewater pipe 49. The sixth control valve 66 is connected to the third treated wastewater pipe 410. The first apricot shell adsorption tank 41, the second apricot shell adsorption tank 42, the third apricot shell adsorption tank 43 and the first treated wastewater pipe 48 constitute the first treated water path. The second apricot shell adsorption tank 42, the third apricot shell adsorption tank 43, the fourth apricot shell adsorption tank 44 and the second treated wastewater pipe 49 constitute the second treated water path. The third apricot shell adsorption tank 43, the fourth apricot shell adsorption tank 44, the fifth apricot shell adsorption tank 45 and the third treated wastewater pipe 410 constitute the third treated water path.

[0064] It can be understood that the wastewater treatment route has a first treatment water route composed of the first apricot shell adsorption tank 41, the second apricot shell adsorption tank 42, the third apricot shell adsorption tank 43 and the first treatment wastewater pipeline 48, a second treatment water route composed of the second apricot shell adsorption tank 42, the third apricot shell adsorption tank 43, the fourth apricot shell adsorption tank 44 and the second treatment wastewater pipeline 49, and a third treatment water route composed of the third apricot shell adsorption tank 43, the fourth apricot shell adsorption tank 44, the fifth apricot shell adsorption tank 45 and the third treatment wastewater pipeline 410; when the first apricot shell adsorption tank 41 is disabled, the second treatment water route is changed, and the apricot shell in the idle first apricot shell adsorption tank is taken out for carbonization treatment; when the second apricot shell adsorption tank 42 is disabled, the third treatment water route is changed, and the apricot shell in the second apricot shell adsorption tank is taken out for carbonization treatment. Toxic substances are eliminated during the preparation of activated carbon. The wastewater can be reused, saving water resources.

[0065] The specific failure state is obtained by a hydrofluoric acid online detector in the route.

[0066] In order to obtain the water quality information of the treated water, a water quality automatic monitor is arranged at the water outlet end of the apricot shell adsorption tank, the information of the water quality automatic monitor can be obtained based on the rfid technology, in specific implementation, a water quality monitor based on the rfid technology is used in cooperation, the radio frequency identification technology and the internet of things technology are organically combined, an electronic tag capable of sampling in a water environment is realized, the water sample detection precision is improved, and the quality information of the treated water can be obtained.

[0067] The utility model discloses still a kind of bitter apricot kernel wastewater treatment method, using the above bitter apricot kernel wastewater treatment device, it includes following steps:

[0068] Step one: connect the multiple apricot shell adsorption tanks in wastewater treatment component, establish the communication pipeline relationship with inlet pipe and outlet pipe, install hydrofluoric acid online detector and control valve group and detect the electrical connection relationship of electronic element;

[0069] Step two: the broken shell apricot kernel shell is crushed to 0.5~1.2mm particle, is loaded into apricot shell adsorption tank;

[0070] Step three: bitter apricot kernel debittering wastewater is sent into inlet pipe at 0.10~0.15m / s speed, wastewater in inlet pipe is discharged by outlet pipe after passing through wastewater treatment component, and hydrogen fluoride in wastewater is adsorbed by apricot shell;

[0071] Step four: the adsorption state of apricot shell in apricot shell adsorption tank is judged by hydrofluoric acid online detection sensor, when apricot shell is saturated, saturated apricot shell is taken out and sent into carbon furnace to carry out carbonization treatment, and hydrogen cyanide is destroyed in carbonization treatment process, so as to avoid the pollution of hydrogen cyanide to environment, process molecular formula;

[0072]

[0073] The adsorbed saturated apricot shell is carbonized at high temperature, and the hydrogen cyanide is dehydrogenated to become part of the wood vinegar, and the trace N element becomes ammonium salt into the wood vinegar, and the wastewater treated by the wastewater treatment assembly can be reused.

[0074] The apricot shell in step two is bitter apricot shell, and the bitter apricot shell is used as an activated carbon adsorbent to adsorb and treat wastewater, and the bitter apricot shell is loaded into a net bag and placed in an apricot shell adsorption tank.

[0075] In step three, the ratio of apricot shell to wastewater in the apricot shell adsorption tank is 1:2, and the treatment time of wastewater in the wastewater treatment assembly is 5 min.

[0076] In step four, the detection critical value of the hydrofluoric acid online detector is 1ug / L, and when the detection critical value is greater than the detection critical value, the treatment waterway needs to be replaced, and the adsorbed saturated apricot shell is taken out and carbonized in some specific embodiments.

[0077] Specifically, the first control valve 61 and the fourth control valve 64 are opened, and the remaining control valves are closed, and in this state, the first treatment waterway is in a working state, and the wastewater enters and passes through the first treatment waterway and is discharged; when the hydrogen cyanide detection at the first treatment wastewater pipeline 48 is greater than 1ug / L, the first control valve 61 and the fourth control valve 64 on the flow path are closed, the second control valve 62 and the fifth control valve 65 are opened, the second treatment waterway is started, and the apricot shell in the first apricot shell adsorption tank is replaced; when the hydrogen cyanide detection at the second treatment wastewater pipeline 49 is greater than 1ug / L, the second control valve 62 and the fifth control valve 65 are closed, the third control valve 63 and the sixth control valve 66 are opened, the third treatment waterway is started, and the apricot shell in the second apricot shell adsorption tank is replaced; when the hydrogen cyanide detection at the third treatment wastewater pipeline 410 is greater than 1ug / L, the first treatment waterway is started again, and the apricot shell in the last two groups of adsorption tanks is replaced. The next cycle is the same as the first cycle.

[0078] Of course, the third apricot shell adsorption tank used in concentration is a multi-layer tank, so as not to affect the water treatment process.

[0079] The pipeline or connecting pipe involved in the utility model is PE pipe or PVC pipe with high strength, rigidity, corrosion resistance, aging resistance and high pressure resistance, and steel pipe can also be used, and specific selection and use are made according to requirements.

[0080] For the device and use method disclosed in the embodiments, since they correspond to the method disclosed in the embodiments, the description is relatively simple, and the related parts are described in the method part.

[0081] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for treating bitter almond wastewater, characterized by, The utility model relates to a device shell (1) is equipped with water inlet pipe (2) and water outlet pipe (3) respectively on the device shell (1), the inside of device shell (1) is equipped with the waste water treatment subassembly (4) with water inlet pipe (2), water outlet pipe (3) intercommunication; The waste water treatment subassembly (4) includes multiple groups of series apricot shell adsorption tank, the inside of apricot shell adsorption tank is filled with apricot shell (7) and is used as adsorbent, apricot shell carbonization treatment after adsorbing hydrocyanic acid, and hydrocyanic acid is destroyed and forms part of pyroligneous liquid during carbonization treatment; Hydrofluoric acid on-line detector (5) is installed downstream of apricot shell adsorption tank and detects the content of hydrofluoric acid in treated waste water; Control valve group (6) is connected on the water inlet pipe and water outlet pipe of apricot shell adsorption tank and controls the working state of multiple groups of apricot shell adsorption tank. The water inlet end of apricot shell adsorption tank is flared, the water outlet end of apricot shell adsorption tank is tapered, the water outlet end of apricot shell adsorption tank is provided with a water quality automatic monitor, the apricot shell adsorption tank is provided with a grid near the water outlet end to separate apricot shell from waste water, and the hydrofluoric acid on-line detector (5) is installed on the water outlet end pipe of apricot shell adsorption tank.

2. A device for the treatment of bitter almond wastewater according to claim 1, characterized in that, The waste water inlet end of apricot shell adsorption tank is located at the bottom side, and the treated water discharge end is located at one side of the top and realizes the upward flow treatment process of treated water.

3. A device for the treatment of bitter almond wastewater according to claim 2, characterized in that, The apricot shell adsorption tank is a single-layer tank or a multi-layer tank, in the single-layer tank state, the two ends of apricot shell adsorption tank are respectively detachably connected with apricot shell inlet cover (411) and apricot shell outlet cover (412), and the bottom end edge and the top end edge of apricot shell adsorption tank are respectively provided with waste water inlet (413) and treated waste water outlet (414); in the multi-layer tank state, the inside of apricot shell adsorption tank is provided with a partition plate and divides the tank body into two apricot shell cavities, the waste water inlet at the bottom of apricot shell adsorption tank is provided with a pipe conversion valve (415) communicating the two apricot shell cavities, the top of apricot shell adsorption tank is provided with apricot shell inlet cover (411), the apricot shell inlet cover (411) is provided with treated waste water outlet (414) corresponding to the two apricot shell cavities, and apricot shell adsorption tank is provided with apricot shell outlet cover (412) corresponding to the two apricot shell cavities.

4. A device for the treatment of bitter almond wastewater according to claim 3, characterized in that ​ 5. A device for treating bitter almond wastewater according to claim 1, characterized in that, The apricot shell adsorption tank includes a first apricot shell adsorption tank (41), a second apricot shell adsorption tank (42), a third apricot shell adsorption tank (43), a fourth apricot shell adsorption tank (44) and a fifth apricot shell adsorption tank (45), the first apricot shell adsorption tank (41), the second apricot shell adsorption tank (42), the third apricot shell adsorption tank (43), the fourth apricot shell adsorption tank (44) and the fifth apricot shell adsorption tank (45) are connected in series through pipes, the second apricot shell adsorption tank (42) is provided with a first bypass wastewater inlet (46), the second apricot shell adsorption tank (42) is communicated with the water inlet pipe (2) through the first bypass wastewater inlet (46), the third apricot shell adsorption tank (43) is provided with a second bypass wastewater inlet (47), the third apricot shell adsorption tank (43) is communicated with the water inlet pipe (2) through the second bypass wastewater inlet (47), the third apricot shell adsorption tank (43) is provided with a first treated wastewater pipeline (48) communicated with the water outlet pipe (3), the fourth apricot shell adsorption tank (44) is provided with a second treated wastewater pipeline (49) communicated with the water outlet pipe (3), the fifth apricot shell adsorption tank (45) is provided with a third treated wastewater pipeline (410) communicated with the water outlet pipe (3), and the first treated wastewater pipeline (48), the second treated wastewater pipeline (49) and the third treated wastewater pipeline (410) are respectively connected with a hydrofluoric acid on-line detector (5).

6. A device for the treatment of bitter almond wastewater according to claim 5, characterized in that, The first control valve (61) is installed on the pipeline between the water inlet end of the first apricot shell adsorption tank (41) and the water inlet pipe, the second control valve (62) is connected on the pipeline between the first bypass wastewater inlet (46) and the water inlet pipe, the third control valve (63) is connected on the pipeline between the second bypass wastewater inlet (47) and the water inlet pipe (2), the fourth control valve (64) is connected on the first treated wastewater pipeline (48), the fifth control valve (65) is connected on the second treated wastewater pipeline (49), the sixth control valve (66) is connected on the third treated wastewater pipeline (410), the first apricot shell adsorption tank (41), the second apricot shell adsorption tank (42), the third apricot shell adsorption tank (43) and the first treated wastewater pipeline (48) constitute a first treated water pipeline, the second apricot shell adsorption tank (42), the third apricot shell adsorption tank (43), the fourth apricot shell adsorption tank (44) and the second treated wastewater pipeline (49) constitute a second treated water pipeline, and the third apricot shell adsorption tank (43), the fourth apricot shell adsorption tank (44), the fifth apricot shell adsorption tank (45) and the third treated wastewater pipeline (410) constitute a third treated water pipeline.

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