Water-saving device for alkali-decrement printing and dyeing process

Abstract

The utility model relates to a water-saving device for an alkali-decrement printing and dyeing process, which comprises a water storage tank capable of inputting printing and dyeing desizing and alkali-decrement wastewater, the water storage tank is sequentially communicated with a sand filter tank, an ion exchange resin device, a reaction tank, a solid-liquid separation tank and a cleaning tank through pipelines, and the cleaning tank is communicated with the water storage tank through a pipeline. The solid-liquid separation tank is further communicated with a recovery pool, the recovery pool is communicated with the water storage pool through a pipeline, the water storage pool, the sand filtration tank, the ion exchange resin device, the reaction pool, the solid-liquid separation tank and the cleaning pool convey liquid through a pump, and the recovery pool is communicated with the solid-liquid separation tank through a filter press. The water-saving device designed by the utility model can be used for recycling, filtering and treating the wastewater generated by the printing and dyeing equipment, so that the consumption of water resources in the printing and dyeing process is reduced, the wastewater treatment cost is reduced, and the economic benefits and environmental protection benefits of the printing and dyeing industry are improved.

Description

Technical Field

[0001] The utility model relates to the field of printing and dyeing process equipment, in particular to a water-saving device for alkali-reduction printing and dyeing process. Background Art

[0002] Alkali reduction dyeing and printing process is an important dyeing and printing process, which is widely used in textile production. However, the alkali reduction dyeing and printing process consumes a lot of water resources, and the wastewater treatment cost is also high, which not only increases the production cost, but also puts pressure on the environment. Therefore, the development of a water-saving device for alkali reduction dyeing and printing process that can save water resources and reduce wastewater treatment costs is of great significance to improving the economic and environmental benefits of the dyeing and printing industry. Utility Model Content

[0003] Based on the problems existing in the above-mentioned background technology, the utility model proposes a water-saving device for alkali-reduction printing and dyeing process, including a water storage tank capable of inputting printing and dyeing desizing and alkali-reduction wastewater, the water storage tank being connected to a sand filter tank, an ion exchange resin device, a reaction tank, a solid-liquid separation tank and a cleaning tank in sequence through a pipeline, the cleaning tank being connected to the water storage tank through a pipeline, the solid-liquid separation tank being further connected to a recovery tank, the recovery tank being connected to the water storage tank through a pipeline, the water storage tank, the sand filter tank, the ion exchange resin device, the reaction tank, the solid-liquid separation tank and the cleaning tank being transported liquid by a pump, and the recovery tank being connected to the solid-liquid separation tank through a filter press.

[0004] Preferably, the recovery tank transports the liquid to the water storage tank via a pump.

[0005] Preferably, the reaction tank further comprises an acid storage tank, and the acid storage tank is connected to the reaction tank via a metering pump.

[0006] Preferably, a flocculant storage tank is provided on the solid-liquid separation tank.

[0007] Preferably, the flocculant is one of aluminum sulfate or aluminum hydrogen sulfate, magnesium sulfate, magnesium hydrogen sulfate, aluminum chloride, and magnesium chloride.

[0008] Preferably, the acid in the acid storage tank is one of concentrated hydrochloric acid, concentrated nitric acid and concentrated sulfuric acid.

[0009] Compared with the prior art, the beneficial effect of the utility model is that the water-saving device designed in the utility model can recycle, filter and treat the wastewater generated by the printing and dyeing equipment, and then recycle it, thereby reducing the consumption of water resources in the printing and dyeing process, reducing the cost of wastewater treatment, and improving the economic and environmental benefits of the printing and dyeing industry.

[0010] After preliminary treatment, solid particles and harmful substances can be removed before entering the next treatment process; in the next treatment process, impurities and harmful substances in the wastewater can be further removed to meet the standards for reuse; the treated wastewater can be reused in the printing and dyeing process, such as for washing, dilution or cooling; this can greatly reduce the demand for fresh water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Schematic diagram of the water-saving device for alkali reduction printing and dyeing process.

[0012] In the accompanying drawings, the names of the components represented by each reference numeral are as follows: 1-water storage tank, 2-sand filter tank, 3-ion exchange resin device, 4-reaction tank, 5-solid-liquid separation tank, 6-cleaning tank, 7-recovery tank, 8-filter press, 9-acid storage tank, 10-flocculant storage tank, 11-pump. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] The utility model relates to a water-saving device for an alkali-reduced printing and dyeing process, comprising a water storage tank 1 capable of inputting printing and dyeing desizing and alkali-reduced wastewater, the water storage tank 1 being sequentially connected with a sand filter tank 2, an ion exchange resin device 3, a reaction tank 4, a solid-liquid separation tank 5 and a cleaning tank 6 through a pipeline, the cleaning tank 6 being connected with the water storage tank 1 through a pipeline, the solid-liquid separation tank 5 being further connected with a recovery tank 7, the recovery tank 7 being connected with the water storage tank 1 through a pipeline, the water storage tank 1, the sand filter tank 2, the ion exchange resin device 3, the reaction tank 4, the solid-liquid separation tank 5 and the cleaning tank 6 being liquid-transported through a pump 11, and the recovery tank 7 being connected with the solid-liquid separation tank 5 through a filter press 8.

[0015] Furthermore, the recovery tank 7 transports the liquid to the water storage tank 1 through the pump 11 .

[0016] Furthermore, the reaction tank 4 also includes an acid storage tank 9, and the acid storage tank 9 is connected to the reaction tank 4 through a metering pump.

[0017] Furthermore, a flocculant storage tank 10 is provided on the solid-liquid separation tank 5 .

[0018] Furthermore, the flocculant is one of aluminum sulfate or aluminum hydrogen sulfate, magnesium sulfate, magnesium hydrogen sulfate, aluminum chloride, and magnesium chloride.

[0019] Furthermore, the acid in the acid storage tank 9 is one of concentrated hydrochloric acid, concentrated nitric acid and concentrated sulfuric acid.

[0020] The above are only preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as limiting the present invention. The protection scope of the present invention should be based on the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A water-saving device for alkali reduction printing and dyeing process, characterized in that: The invention comprises a water storage tank capable of inputting printing and dyeing desizing and alkali reduction wastewater, wherein the water storage tank is sequentially connected with a sand filter tank, an ion exchange resin device, a reaction tank, a solid-liquid separation tank and a cleaning tank through a pipeline, the cleaning tank is connected with the water storage tank through a pipeline, the solid-liquid separation tank is also connected with a recovery tank, the recovery tank is connected with the water storage tank through a pipeline, the water storage tank, the sand filter tank, the ion exchange resin device, the reaction tank, the solid-liquid separation tank and the cleaning tank are liquid-transported by a pump, and the recovery tank is connected with the solid-liquid separation tank through a filter press.

2. The water-saving device for alkali-reduction printing and dyeing process according to claim 1, characterized in that: The recovery tank transports the liquid to the water storage tank through a pump.

3. The water-saving device for alkali-reduction printing and dyeing process according to claim 1, characterized in that: The reaction pool also includes an acid storage tank, which is connected to the reaction pool via a metering pump.

4. The water-saving device for alkali-reduction printing and dyeing process according to claim 1, characterized in that: The solid-liquid separation tank is provided with a flocculant storage tank.

5. The water-saving device for alkali-reduction printing and dyeing process according to claim 4, characterized in that: The flocculant is one of aluminum sulfate or aluminum hydrogen sulfate, magnesium sulfate, magnesium hydrogen sulfate, aluminum chloride and magnesium chloride.

6. The water-saving device for alkali-reduction printing and dyeing process according to claim 3, characterized in that: The acid in the acid storage tank is one of concentrated hydrochloric acid, concentrated nitric acid and concentrated sulfuric acid.

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