CN220116370U - Gelatin wastewater pretreatment device - Google Patents
Gelatin wastewater pretreatment device Download PDFInfo
- Publication number
- CN220116370U CN220116370U CN202320582212.XU CN202320582212U CN220116370U CN 220116370 U CN220116370 U CN 220116370U CN 202320582212 U CN202320582212 U CN 202320582212U CN 220116370 U CN220116370 U CN 220116370U
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- CN
- China
- Prior art keywords
- ferrous sulfate
- tank
- outlet
- storage tank
- inlet end
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- 239000002351 wastewater Substances 0.000 title claims abstract description 33
- 108010010803 Gelatin Proteins 0.000 title claims abstract description 15
- 229920000159 gelatin Polymers 0.000 title claims abstract description 15
- 239000008273 gelatin Substances 0.000 title claims abstract description 15
- 235000019322 gelatine Nutrition 0.000 title claims abstract description 15
- 235000011852 gelatine desserts Nutrition 0.000 title claims abstract description 15
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 53
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 53
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 53
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 53
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 26
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 25
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 25
- 239000004571 lime Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 11
- 239000003814 drug Substances 0.000 claims abstract description 5
- 229940079593 drug Drugs 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 4
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- KIZFHUJKFSNWKO-UHFFFAOYSA-M calcium monohydroxide Chemical compound [Ca]O KIZFHUJKFSNWKO-UHFFFAOYSA-M 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
The utility model provides a gelatin wastewater pretreatment device, which comprises a raw water tank, wherein the outlet end of the raw water tank is connected with the inlet end of a ferrous sulfate stirring tank, the outlet end of the ferrous sulfate stirring tank is connected with the inlet end of a lime stirring tank, the outlet end of the lime stirring tank is connected with the inlet end of a separator, the upper part of the separator is provided with a wastewater outlet, and the bottom of the separator is provided with a sludge outlet; the device also comprises a ferrous sulfate storage tank and a polyacrylamide storage tank, wherein the outlet end of the ferrous sulfate storage tank is connected with the inlet end of the ferrous sulfate stirring tank, the inlet end of the ferrous sulfate storage tank is connected with the outlet end of the ferrous sulfate chemical drug dissolving machine, the outlet end of the polyacrylamide storage tank is connected with the inlet end of the separator, and the inlet end of the polyacrylamide storage tank is connected with the outlet end of the polyacrylamide chemical dissolving machine. The device has reasonable structure and good pretreatment effect, shortens the treatment period, reduces the investment of infrastructure and saves the treatment cost.
Description
Technical Field
The utility model mainly relates to the technical field related to wastewater treatment, in particular to a gelatin wastewater pretreatment device.
Background
At present, the pretreatment method of the waste water of enterprises such as gelatin, leather making, meat processing and the like comprises the following steps: the large pieces of broken materials in the wastewater are firstly fished by using the grids, then air floatation separation is carried out, and the effluent enters a biochemical system.
Because some of the fragment substances in the water are heavier, the air flotation separation cannot achieve the expected effect. Most of these fragments remain in the water and enter the biochemical system. Along with the gradual dissolution of the substances, the substances become a main source of pollution load, and the COD (chemical oxygen demand) is increased from hundreds of milligrams per liter to thousands of milligrams per liter, so that the structure of subsequent treatment facilities is complex, the investment of the infrastructure is high, and the treatment cost is greatly increased.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model combines the prior art, and provides the gelatin wastewater pretreatment device from practical application.
The technical scheme of the utility model is as follows:
the gelatin wastewater pretreatment device comprises a raw water tank, wherein the outlet end of the raw water tank is connected with the inlet end of a ferrous sulfate stirring tank, the outlet end of the ferrous sulfate stirring tank is connected with the inlet end of a lime stirring tank, the outlet end of the lime stirring tank is connected with the inlet end of a separator, the upper part of the separator is provided with a wastewater outlet, and the bottom of the separator is provided with a sludge outlet;
the device also comprises a ferrous sulfate storage tank and a polyacrylamide storage tank, wherein the outlet end of the ferrous sulfate storage tank is connected with the inlet end of the ferrous sulfate stirring tank, the inlet end of the ferrous sulfate storage tank is connected with the outlet end of the ferrous sulfate chemical drug dissolving machine, the outlet end of the polyacrylamide storage tank is connected with the inlet end of the separator, and the inlet end of the polyacrylamide storage tank is connected with the outlet end of the polyacrylamide chemical dissolving machine.
Further, the device also comprises a lime bin, and the outlet at the lower end of the lime bin is connected with the inlet at the upper part of the lime stirring tank through the auger conveying device.
Further, the waste water in the raw water tank is firstly removed from fur and block matters through the grids and then is lifted to the ferrous sulfate stirring tank.
Further, the effluent of the separator flows out into a biochemical system through a wastewater outlet, and the sludge generated by separation flows out into filter pressing equipment through a sludge outlet.
Further, the raw water tank is connected with the ferrous sulfate stirring tank, the ferrous sulfate storage tank is connected with the ferrous sulfate chemical machine, and the polyacrylamide storage tank is connected with the separator through lifting equipment.
Further, the lifting device comprises a pump.
The utility model has the beneficial effects that:
according to the utility model, through improvement of the wastewater pretreatment device, when gelatin wastewater is pretreated, before a large amount of organic matters in water are not decomposed, solid suspended matters are thoroughly separated from water in a precipitation mode, so that pollution load is greatly reduced, treatment period is shortened, COD (chemical oxygen demand) can be reduced to below 1000mg/L (even lower), investment of infrastructure can be saved, treatment cost is reduced, and good practicability and market popularization value are realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the utility model.
The reference numbers shown in the drawings:
1. a ferrous sulfate stirring tank; 2. lime stirring tank; 3. lime bin; 31. auger delivery means; 4. a separator; 41. a waste water outlet; 42. a sludge outlet; 5. a raw water pool; 6. a ferrous sulfate storage tank; 7. ferrous sulfate chemical machine; 8. a polyacrylamide storage tank; 9. a polyacrylamide medicine machine.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
This embodiment provides a gelatin wastewater pretreatment device as shown in fig. 1. The device comprises a raw water tank 5, wherein the outlet end of the raw water tank 5 is connected with the inlet end of a ferrous sulfate stirring tank 1 through lifting equipment, the outlet end of the ferrous sulfate stirring tank 1 is connected with the inlet end of a lime stirring tank 2, the outlet end of the lime stirring tank 2 is connected with the inlet end of a separator 4, a waste water outlet 41 is arranged at the upper part of the separator 4, a sludge outlet 42 is arranged at the bottom of the separator 4, a ferrous sulfate storage tank 6 is arranged at the outlet end of the ferrous sulfate storage tank 6 and is connected with the inlet end of the ferrous sulfate stirring tank 1 through lifting equipment, the inlet end of the ferrous sulfate storage tank 6 is connected with the outlet end of a ferrous sulfate chemical machine 7 through lifting equipment, a polyacrylamide storage tank 8 is arranged at the outlet end of the polyacrylamide storage tank 8 and is connected with the outlet end of a polyacrylamide chemical machine 9 through lifting equipment, and the connection is formed through a pipeline. The above lifting device is mainly implemented by a pump.
Preferably, the treatment device of the embodiment further comprises a lime bin 3, and a lower end outlet of the lime bin 3 is connected with an upper inlet of the lime stirring tank 2 through an auger conveying device 31 and is used for conveying lime to the lime stirring tank 2. Obviously, other means of feeding lime into the lime agitator tank may be used.
When the wastewater pretreatment device of the embodiment is used, wastewater in the raw water tank 5 passes through the grille to remove fur and lumps. Then, the wastewater enters a ferrous sulfate stirring tank 1 and is mixed and stirred with ferrous sulfate in the ferrous sulfate stirring tank 1. The ferrous sulfate in the ferrous sulfate stirring tank 1 is provided by the ferrous sulfate storage tank 6 on site, the outlet end of the ferrous sulfate storage tank 6 is connected with the inlet end of the ferrous sulfate stirring tank 1 through lifting equipment, the inlet end of the ferrous sulfate storage tank 6 is connected with the outlet end of the ferrous sulfate chemical machine 7 through lifting equipment, and ferrous sulfate is provided in the ferrous sulfate stirring tank 1 in real time through the structure.
The effluent of the ferrous sulfate stirring tank 1 enters a lime stirring tank 2 for mixing and stirring, and protein in the wastewater forms ferrous sulfate protein under the action of calcium hydroxide CaOH 2; the effluent of the lime stirring tank 2 is lifted into a separator 4 for centrifugal separation. And adding polyacrylamide in the lifting process. The polyacrylamide field is provided by a polyacrylamide storage tank 8, the outlet end of the polyacrylamide storage tank 8 is connected with the inlet end of the separator 4 through lifting equipment, and the inlet end of the polyacrylamide storage tank 8 is connected with the outlet end of a polyacrylamide medicine machine 9. The polyacrylamide is provided into the separator in real time through the above structure.
The effluent of the separator 4 flows out through a wastewater outlet 41, enters a biochemical system for further treatment, and the sludge generated by separation flows out through a sludge outlet 42 and can be subjected to filter pressing through filter pressing equipment to prepare fertilizer.
The wastewater pretreatment device provided by the embodiment separates most insoluble matters, proteins and colloids before the substances in water are not hydrolyzed, and realizes the thorough separation of solid suspended matters and water in a precipitation mode, so that the pollution load is greatly reduced, the subsequent treatment burden is reduced, the basic investment is saved, the treatment cost is reduced, and the wastewater pretreatment device has good practicability and market popularization value.
Claims (6)
1. The gelatin wastewater pretreatment device is characterized by comprising a raw water tank, wherein the outlet end of the raw water tank is connected with the inlet end of a ferrous sulfate stirring tank, the outlet end of the ferrous sulfate stirring tank is connected with the inlet end of a lime stirring tank, the outlet end of the lime stirring tank is connected with the inlet end of a separator, the upper part of the separator is provided with a wastewater outlet, and the bottom of the separator is provided with a sludge outlet;
the device also comprises a ferrous sulfate storage tank and a polyacrylamide storage tank, wherein the outlet end of the ferrous sulfate storage tank is connected with the inlet end of the ferrous sulfate stirring tank, the inlet end of the ferrous sulfate storage tank is connected with the outlet end of the ferrous sulfate chemical drug dissolving machine, the outlet end of the polyacrylamide storage tank is connected with the inlet end of the separator, and the inlet end of the polyacrylamide storage tank is connected with the outlet end of the polyacrylamide chemical dissolving machine.
2. The gelatin wastewater pretreatment device according to claim 1, further comprising a lime bin, wherein the lower outlet of the lime bin is connected to the upper inlet of the lime agitator tank via a screw conveyor.
3. The gelatin wastewater pretreatment device as claimed in claim 1, wherein the wastewater in the raw water tank is lifted to the ferrous sulfate stirring tank after removing fur and lumps through the grid.
4. The gelatin wastewater pretreatment device as claimed in claim 1, wherein the effluent of the separator flows out into the biochemical system through the wastewater outlet, and the sludge produced by the separation flows out into the filter pressing equipment through the sludge outlet.
5. The gelatin wastewater pretreatment device according to claim 1, wherein the raw water tank and the ferrous sulfate stirring tank, the ferrous sulfate storage tank and the ferrous sulfate chemical machine, and the polyacrylamide storage tank and the separator are all connected by lifting equipment.
6. The gelatin wastewater pretreatment device of claim 5, wherein the lifting apparatus comprises a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320582212.XU CN220116370U (en) | 2023-03-21 | 2023-03-21 | Gelatin wastewater pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320582212.XU CN220116370U (en) | 2023-03-21 | 2023-03-21 | Gelatin wastewater pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116370U true CN220116370U (en) | 2023-12-01 |
Family
ID=88892199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320582212.XU Active CN220116370U (en) | 2023-03-21 | 2023-03-21 | Gelatin wastewater pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116370U (en) |
-
2023
- 2023-03-21 CN CN202320582212.XU patent/CN220116370U/en active Active
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