Integrated washing liquid purification container for fly ash and kiln dust
By designing the integrated water washing liquid purification container of fly ash kiln kiln ash, using the first- and second-level decalcification treatment and automation procedures, combined with the addition of two alkali liquids, the problem of difficulty in disposing of water washing liquid of fly ash kiln kiln is solved, and the problem of water washing liquid of fly ash kiln is realized Efficient and low-cost water washing liquid purification and hardness control simplifies equipment layout and maintenance.
Patent Information
- Application Number
- CN202420713193.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-08
AI Technical Summary
Fly ash kiln ash washing liquid contains a large amount of chloride salt and calcium ions, which is difficult to deal with. The existing technology equipment covers a large area, has high investment and is complex in maintenance, making it difficult to achieve efficient and low-cost treatment.
A fly ash kiln ash integrated water washing liquid purification container is designed, including a first-level decalcification tank, a second-level decalcification tank, a neutralization tank and a corresponding pump and separation system. Water washing is achieved through two-level decalcification treatment and automated procedures. The purification of liquid is achieved by applying two kinds of alkali liquids for hardness control, integrating electrical and control systems, and simplifying equipment layout and maintenance.
The two-stage decalcification treatment of fly ash kiln ash washing liquid is realized, which reduces liquid hardness and SS value, reduces labor costs in automated operations, reduces drug costs and equipment footprints, and simplifies the construction and maintenance process.
Smart Images
Figure CN222181943U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fly ash and kiln ash treatment, and in particular to providing a fly ash and kiln ash integrated water washing liquid purification container. Background Art
[0002] Fly ash kiln dust is the dust produced by the windproof dust collection of the rotary kiln bypass. It has a high chlorine content, but the amount is relatively small, which makes it inconvenient to dispose of and takes up relatively much land resources for storage. After the fly ash kiln dust is washed, the washing liquid contains a large amount of chloride salts, calcium ions and other components, which cause certain difficulties in subsequent disposal. Therefore, there is an urgent need for equipment and processes with good disposal effect, low investment cost, simple maintenance, small footprint, small disposal volume and easy installation. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a fly ash and kiln ash integrated water washing liquid purification container.
[0004] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, comprising a primary decalcification tank 1, a primary decalcification tank lifting pump 2, a secondary decalcification tank 3, a secondary decalcification tank lifting pump 4, a neutralization tank 5, a neutralization tank lifting pump 6, a No. 1 alkali solution storage tank 7, a No. 2 alkali solution storage tank 8, a hydrochloric acid storage tank 9, a primary decalcification separation system 10, and a secondary decalcification separation system 11.
[0005] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the outlet of a primary decalcification tank 1 is connected to the inlet of a primary decalcification tank lifting pump 2, and the outlet of the primary decalcification tank lifting pump 2 is connected to the inlet of a primary decalcification tank separation system 10.
[0006] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the clean water outlet of the primary decalcification separation system 10 is connected with the inlet of the secondary decalcification tank 3 , and the concentrated water of the primary decalcification separation system 10 flows back to the primary decalcification tank 1 .
[0007] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the outlet of a No. 1 alkali liquid storage tank 7 is connected with the alkali adding port of a primary decalcification tank 1.
[0008] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the outlet of a secondary decalcification tank 3 is connected to the inlet of a secondary decalcification tank lifting pump 4, and the outlet of the secondary decalcification tank lifting pump 4 is connected to the inlet of a secondary decalcification separation system 11.
[0009] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the clean water outlet of the secondary decalcification separation system 11 is connected with the water inlet of the neutralization tank 5 , and the concentrated water of the secondary decalcification separation system 11 flows back to the secondary decalcification tank 3 .
[0010] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the outlet of a second alkali liquid storage tank 8 is connected with the alkali adding port of a secondary decalcification tank 3 .
[0011] The utility model provides a fly ash and kiln ash integrated water washing liquid purification container, wherein the outlet of a neutralization tank 5 is connected with the inlet of a neutralization tank lifting pump 6, and the outlet of a hydrochloric acid storage tank 9 is connected with the dosing port of the neutralization tank 5.
[0012] The utility model provides a solution, a fly ash and kiln ash integrated water washing liquid purification container, comprising a primary decalcification tank 1, a secondary decalcification tank 3, a neutralization tank 5, a primary decalcification separation system 10, a secondary decalcification separation system 11, and a power room 13 arranged in a first-layer container 12, and a No. 1 alkali solution storage tank 7, a No. 2 alkali solution storage tank 8, and a hydrochloric acid storage tank 9 arranged in a second-layer container 14.
[0013] The utility model discloses a fly ash and kiln ash integrated water washing liquid purification container, wherein the No. 1 alkali solution storage tank 7 is located on the upper part of the primary decalcification tank 1, and sequential batch dosing can be achieved to ensure more accurate hardness adjustment.
[0014] The utility model discloses a fly ash and kiln ash integrated water washing liquid purification container, wherein the primary decalcification separation system 10 and the secondary decalcification separation system 11 can realize continuous operation of feeding, concentrate discharge and clean water discharge, with high automation program, good separation effect and low effluent SS.
[0015] The utility model discloses a fly ash and kiln ash integrated water washing liquid purification container. The second alkali liquid storage tank 8 is located on the upper part of the secondary decalcification tank 3, so as to realize the second dosing adjustment of the clear liquid after being treated by the primary decalcification separation system 10, and further reduce the hardness and SS in the water washing liquid.
[0016] The utility model discloses a fly ash and kiln ash integrated water washing liquid purification container, which can achieve better hardness control and lower cost control through the addition of two different alkali solutions.
[0017] The utility model is different from the prior art in that the utility model has the following technical effects:
[0018] 1. Through the water washing liquid purification process of the utility model, two-stage decalcification treatment of fly ash kiln ash water washing liquid can be achieved, the hardness and SS in the fly ash kiln ash water washing liquid can be reduced, which is helpful for subsequent further treatment.
[0019] 2. Through the water washing liquid purification process of the utility model, the two-stage decalcification separation system has a high automation program, which can realize continuous automatic operation and reduce labor costs.
[0020] 3. Through the water washing liquid purification process of the utility model, by adding two different alkali solutions, further hardness control can be achieved and the cost of the reagent can be greatly reduced.
[0021] 4. The container of the utility model can reduce the equipment footprint and save land costs.
[0022] 5. Through the container of the utility model, equipment processing and manufacturing can be completed in the processing plant and transported to the project site as a whole, saving construction time.
[0023] 6. Through the container of the utility model, the electrical and control systems are integrated in the container, so that one container can realize power supply and control functions.
[0024] 7. Through the container of the utility model, the medicine storage tank is placed on the second floor, and the tank area and separation system are placed on the first floor, which makes the process more streamlined and easier to maintain. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a process flow chart of a fly ash and kiln ash integrated water washing liquid purification container of the utility model;
[0026] Figure 2 This is a layout diagram of one layer of a fly ash and kiln ash integrated water washing liquid purification container of the utility model;
[0027] Figure 3 This is a second-floor layout diagram of a fly ash and kiln ash integrated water washing liquid purification container of the utility model;
[0028] Figure 4 This is a vertical view of a fly ash and kiln ash integrated water washing liquid purification container according to the utility model. DETAILED DESCRIPTION
[0029] The fly ash and kiln ash integrated water washing liquid purification container and process of the utility model are further explained below in conjunction with the accompanying drawings.
[0030] The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention.
[0031] like Figure 1 As shown, the utility model provides an integrated fly ash and kiln ash water washing liquid purification process, including a primary decalcification tank 1, a primary decalcification tank lifting pump 2, a secondary decalcification tank 3, a secondary decalcification tank lifting pump 4, a neutralization tank 5, a neutralization tank lifting pump 6, a No. 1 alkali solution storage tank 7, a No. 2 alkali solution storage tank 8, a hydrochloric acid storage tank 9, a primary decalcification separation system 10, and a secondary decalcification separation system 11.
[0032] A fly ash and kiln ash integrated water washing liquid purification process A fly ash and kiln ash integrated water washing liquid purification process described in the invention is that the outlet of the first-stage decalcification tank 1 is connected to the inlet of the first-stage decalcification tank lifting pump 2, the outlet of the first-stage decalcification tank lifting pump 2 is connected to the inlet of the first-stage decalcification tank separation system 10, the clean water outlet of the first-stage decalcification separation system 10 is connected to the inlet of the second-stage decalcification tank 3, the concentrated water of the first-stage decalcification separation system 10 flows back to the first-stage decalcification tank 1, and the outlet of the No. 1 alkali solution storage tank 7 is connected to the alkali adding port of the first-stage decalcification tank 1, so as to realize the addition of the No. 1 alkali solution and the filtering and separation of the separation system.
[0033] The outlet of the secondary decalcification tank 3 of a fly ash and kiln ash integrated water washing liquid purification process is connected to the inlet of the secondary decalcification tank lifting pump 4, the outlet of the secondary decalcification tank lifting pump 4 is connected to the inlet of the secondary decalcification separation system 11, the clean water outlet of the secondary decalcification separation system 11 is connected to the water inlet of the neutralization tank 5, the concentrated water of the secondary decalcification separation system 11 flows back to the secondary decalcification tank 3, the outlet of the No. 2 alkali solution storage tank 8 is connected to the alkali addition port of the secondary decalcification tank 3, so that the addition of the No. 2 alkali solution can further remove the hardness, and further separation is performed through the secondary decalcification separation system 11.
[0034] The outlet of a neutralization tank 5 of a fly ash and kiln ash integrated water washing liquid purification process is connected to the inlet of a neutralization tank lifting pump 6, and the outlet of a hydrochloric acid storage tank 9 is connected to the dosing port of the neutralization tank 5 to achieve quantitative regulation of pH.
[0035] In conjunction with the specific implementation scheme of the utility model, there is no clear limitation on the decalcification separation equipment. As long as it can achieve solid-liquid separation and can be placed in a centralized box, it can be a centrifuge, a plate and frame filter press, a membrane device, a vacuum filter, and the like.
[0036] like Figure 2 , 3 As shown in Figure 4, the utility model provides a solution, a fly ash kiln ash integrated washing container, including a primary decalcification tank 1, a secondary decalcification tank 3, a neutralization tank 5, a primary decalcification separation system 10, a secondary decalcification separation system 11, and an electric power room 13 arranged in a first-layer container 12, and a No. 1 alkali liquid storage tank 7, a No. 2 alkali liquid storage tank 8, and a hydrochloric acid storage tank 9 arranged in a second-layer container 14; the No. 1 alkali liquid storage tank 7 is located on the upper part of the primary decalcification tank 1, and can realize sequential batch dosing to ensure that the hardness adjustment is more accurate; the primary decalcification separation system 10 and the secondary decalcification separation system 11 can realize continuous operation of feeding, concentrate discharge, and clear water discharge, with high automation program, good separation effect, and low effluent SS; the No. 2 alkali liquid storage tank 8 is located on the upper part of the secondary decalcification tank 3, and realizes the second dosing adjustment of the clear liquid after being treated by the primary decalcification separation system 10, so as to further reduce the hardness and SS in the water washing liquid; through the addition of two different alkali liquids, better hardness control and lower cost control can be achieved.
[0037] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. A fly ash and kiln ash integrated water washing liquid purification container, characterized in that: It includes the primary decalcification tank, primary decalcification tank lifting pump, neutralization tank, neutralization tank lifting pump, No. 1 alkali liquid storage tank, acid storage tank, primary decalcification separation system, first-layer container, power room, and second-layer container; The outlet of the first-stage decalcification tank is connected to the inlet of the first-stage decalcification tank lifting pump, and the outlet of the first-stage decalcification tank lifting pump is connected to the inlet of the first-stage decalcification tank separation system; The outlet of the No. 1 alkali solution storage tank is connected to the alkali adding port of the first decalcification tank; the outlet of the neutralization tank is connected to the inlet of the neutralization tank lifting pump; the outlet of the acid storage tank is connected to the drug adding port of the neutralization tank; It also includes: No. 2 alkali solution storage tank, secondary decalcification tank, secondary decalcification tank lifting pump, and secondary decalcification separation system; The clean water outlet of the primary decalcification separation system is connected to the inlet of the secondary decalcification tank, and the concentrated water of the primary decalcification separation system flows back to the primary decalcification tank; The outlet of the secondary decalcification tank is connected to the inlet of the secondary decalcification tank lifting pump, and the outlet of the secondary decalcification tank lifting pump is connected to the inlet of the secondary decalcification separation system; The clean water outlet of the secondary decalcification separation system is connected to the water inlet of the neutralization tank, and the concentrated water of the secondary decalcification separation system flows back to the secondary decalcification tank; The outlet of the No. 2 alkali solution storage tank is connected to the alkali filling port of the secondary decalcification tank; The primary decalcification tank, secondary decalcification tank, neutralization tank, primary decalcification separation system, secondary decalcification separation system, and power room are arranged in a first-layer container, and the No. 1 alkali solution storage tank, No. 2 alkali solution storage tank, and acid storage tank are arranged in a second-layer container.
2. The fly ash and kiln ash integrated water washing liquid purification container according to claim 1, characterized in that: The power room is located at the end of a container layer to realize power supply and control of the entire system.