CN218307226U - Injection molding waste gas treatment equipment - Google Patents
Injection molding waste gas treatment equipment Download PDFInfo
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- CN218307226U CN218307226U CN202221431192.8U CN202221431192U CN218307226U CN 218307226 U CN218307226 U CN 218307226U CN 202221431192 U CN202221431192 U CN 202221431192U CN 218307226 U CN218307226 U CN 218307226U
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- heat exchanger
- water tank
- prewashing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a waste gas treatment equipment moulds plastics relates to the production industry field, including biological deodorizing device, condensation heat exchanger, vapor heat exchanger, biological deodorizing device divide into prewashing district and filtering area, the prewashing district outside is provided with the prewashing water tank, be provided with prewashing water tank level gauge on the prewashing water tank, the both sides of prewashing water tank are provided with prewashing water tank water intaking valve, drain valve respectively, there is the filtration water tank filtering area outside, be provided with the filtration water tank level gauge on the filtration water tank, one side of filtering the water tank is provided with the filtration water tank water intaking valve, condensation heat exchanger one side is provided with condensation heat exchanger cooling water pump. The utility model discloses a deodorization technology adopts biodegradation method + condensing heat exchanger + vapor heat exchanger's combination formula technology, and hydrogen sulfide, low molecular hydrocarbon VOC composition that produce in the trade production process of moulding plastics get rid of efficiently, have apparent the effect of whitening off, equipment operation is simple and convenient, long service life.
Description
Technical Field
The utility model relates to a production industry field specifically is an exhaust-gas treatment equipment moulds plastics.
Background
Along with the continuous expansion of the production and operation scale and the continuous improvement of the intensive degree of the injection molding industry, a large amount of malodorous substances are discharged while products are produced, the exertion of the production performance is seriously hindered, the health of workers can be harmed, the moisture content of waste gas in the production process is overhigh, the temperature of the waste gas is reduced, the capability of the waste gas carrying water vapor is reduced, partial small liquid drops are carried after the waste gas reaches a saturated state, the saturated waste gas carrying the small liquid drops is discharged into the atmosphere through a chimney, and the lower environmental temperature is lower than the temperature of the waste gas, so that white smoke plume can be seen at a discharge port and sinks in a 1-2km open place, the lower local visibility is caused, and the environmental protection risk is realized, so the malodorous gas in the injection molding industry is urgently required to be treated.
The current odor treatment technology comprises a physical method, a chemical method and a biological method, and the main technology adopting the physical method comprises an air dilution method, an activated carbon adsorption method and a low-temperature condensation method; the main chemical methods are wet chemical absorption, incineration, catalytic oxidation, ozone and the like, the physical and chemical methods have large one-time investment, complex operation, high operation cost and easy generation of secondary pollution, and are difficult to be applied to purification of malodorous and smelly gases widely distributed in agricultural production and life.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an exhaust-gas treatment equipment moulds plastics to solve physics and chemical method and once only drop into great, the operation complicacy, the running cost is high and easily produce secondary pollution's technical problem.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an exhaust-gas treatment equipment moulds plastics, includes biological deodorizing device, condensation heat exchanger, vapor heat exchanger, biological deodorizing device divide into prewashing district and filtering area, the prewashing district outside is provided with the prewashing water tank, be provided with prewashing water tank level gauge and prewashing water tank PH meter on the prewashing water tank, be provided with prewashing water tank water intaking valve and prewashing water tank drain valve on the prewashing water tank respectively, the outside in prewashing district is provided with prewashing spray pump, the filtering area outside is provided with the filtration water tank, be provided with the filtration water tank level gauge on the filtration water tank, one side of filtration water tank is provided with filtration water tank water intaking valve, the outside in filtering area is provided with the filtration spray pump, be provided with condensation heat exchanger cooling water pump and condensation heat exchanger spray water pump on condensation heat exchanger one side, be provided with vapor heat exchanger admission valve on the vapor heat exchanger, biological deodorizing device's export links to each other with condensation heat exchanger's import, condensation heat exchanger's export links to each other with the vapor heat exchanger import, vapor heat exchanger's export links to each other with the draught fan, the export links to each other with the import of draught fan, the export to each other with the exhaust stack.
By adopting the technical scheme, the combined process of the biodegradation method, the condensing heat exchanger and the steam heat exchanger is adopted through the deodorization process, so that the removal efficiency of the odor generated in the production process of the injection molding industry, particularly the sulfur and ammonia compounds in the odor is good, the de-whitening effect is obvious, the equipment is easy and convenient to operate, and the service life is long.
The utility model discloses further set up as, one side of vapor heat exchanger is provided with vapor heat exchanger drain valve and vapor heat exchanger comdenstion water return valve.
Through adopting above-mentioned technical scheme, through regularly opening steam heat exchanger drain valve, discharge the waste gas comdenstion water in the steam heat exchanger.
The utility model discloses further set up to, the opposite side of condensation heat exchanger is provided with condensation heat exchanger shower water drain valve, condensation heat exchanger shower water pump and condensation heat exchanger shower water intaking valve.
By adopting the technical scheme, the condensation heat exchanger spray water pump and the condensation heat exchanger spray water inlet valve are opened to flush the condensation heat exchanger spray water, and the spray water is uniformly discharged through the condensation heat exchanger spray water drain valve.
The utility model discloses further set up to, condensation heat exchanger all is equipped with thermometer and pressure transmitter with vapour heat exchanger's front and back pipeline.
Through adopting above-mentioned technical scheme, but the difference in temperature and the pressure difference between pipeline around but real-time detection condensation heat exchanger and steam heat exchanger are convenient for control the valve of difference.
The utility model discloses further set up to, be provided with condensation heat exchanger cooling water intaking valve and condensation heat exchanger comdenstion water wet return on the condensation heat exchanger.
By adopting the technical scheme, the thermometer is used for detecting the temperature difference between the front and the back of the condensation heat exchanger, so that the condensation heat exchanger is controlled, resources are saved, and the running cost is reduced.
The utility model discloses further set up to, it sprays the pump and is two with the filtration pump that sprays to wash in advance.
By adopting the technical scheme, the phenomenon that the spraying is stopped due to the damage of one of the devices in the working process of the device is prevented.
The utility model discloses further set up as, condensation heat exchanger all adopts the H finned tube as heat transfer element with steam heat exchanger is inside.
By adopting the technical scheme, the H finned tube can improve the heat transfer coefficient of flue gas on the convection side, increase the heat exchange area of the H finned tube, reduce the arrangement number of the tubes and reduce the production cost of the tubes.
The utility model discloses further set up as, biological deodorizing device's bottom is provided with the drain.
Through adopting above-mentioned technical scheme, be connected with external drainage pipe through the drain is direct for filtering area shower water directly discharges, does not influence the device's use.
The utility model discloses further set up to, the prewashing sprays the pump and sprays for the continuation in the prewashing district, the filtration sprays the pump and sprays for the intermittent type in the filtering area.
Through adopting above-mentioned technical scheme, spray through the persistence of prewashing the spray pump, make its abundant absorption, the inside foul smell of humidification, the filtration spray pump sprays the suitable living environment of assurance biology through the indirectness, when resources are saved, still can reduce its running cost.
To sum up, the utility model discloses mainly have following beneficial effect:
1. the biological deodorization device takes the biological deodorization process as one of the main processes, and the biological deodorization device utilizes the microorganisms in the activated sludge liquid to degrade the components of the waste gas pollutants, so the biological deodorization device has good treatment effect, stable operation, low investment and operation cost and no secondary pollution;
2. the utility model discloses a deodorization technology adopts biodegradation method + condensing heat exchanger + vapor heat exchanger's combination formula technology, to the foul smell that produces in the trade production process of moulding plastics, especially to the foul smell in the sulphur class and ammonia class compound get rid of efficiently, and is showing its effect of whitening, equipment operation is simple and convenient, long service life.
Drawings
Fig. 1 is a schematic view of the waste gas treatment equipment of the present invention.
In the figure: 1. a biological deodorization device; 2. a condensing heat exchanger; 3. a vapor heat exchanger; 4. an induced draft fan; 5. an exhaust funnel; 6. pre-washing the water tank; 7. a filtering water tank; 8. pre-washing the spray pump; 9. a filtration spray pump; 10. a cooling water pump of the condensing heat exchanger; 11. a condensation heat exchanger spray water pump; 12. a pre-wash water tank inlet valve; 13. a drain valve of the pre-washing water tank; 14. a pre-wash tank level gauge; 15. a PH meter of the prewashing water tank; 16. a water inlet valve of the filter water tank; 17. a filtering water tank liquid level meter; 18. a cooling water inlet valve of the condensing heat exchanger; 19. a spray water inlet valve of the condensing heat exchanger; 20. a spray water drain valve of the condensing heat exchanger; 21. a condensed water return valve of the condensing heat exchanger; 22. an air inlet valve of the vapor heat exchanger; 23. a vapor heat exchanger drain valve; 24. a condensed water return valve of the steam heat exchanger.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The following describes an embodiment of the present invention according to its overall structure.
An injection molding waste gas treatment device is shown in figure 1 and comprises a biological deodorization device 1, a condensation heat exchanger 2 and a steam heat exchanger 3, wherein the biological deodorization device 1 is divided into a prewashing area and a filtering area, a prewashing water tank 6 is arranged outside the prewashing area, a prewashing water tank liquid level meter 14 and a prewashing water tank PH meter 15 are arranged on the prewashing water tank 6, a prewashing water tank water inlet valve 12 and a prewashing water tank water outlet valve 13 are respectively arranged on the prewashing water tank 6, a prewashing spray pump 8 is arranged outside the prewashing area, a filtering water tank 7 is arranged outside the filtering area, a filtering water tank liquid level meter 17 is arranged on the filtering water tank 7, a filtering water tank water inlet valve 16 is arranged on one side of the filtering area, a filtration spray pump 9 is arranged outside the filtering area, a condensation heat exchanger cooling water pump 10 and a condensation heat exchanger spray water pump 11 are arranged on one side of the condensation heat exchanger 2, a steam heat exchanger air inlet valve 22 is arranged on the steam heat exchanger 3, an outlet of the biological deodorization device 1 is connected with an inlet of the condensation heat exchanger 2, an outlet of the condensation heat exchanger 2 is connected with an inlet of the condensation heat exchanger 3, an induced draft fan 4 is connected with an exhaust gas outlet of an induced draft fan 5.
Referring to fig. 1, a drain valve 23 of the vapor heat exchanger and a condensate water return valve 24 of the vapor heat exchanger are disposed at one side of the vapor heat exchanger 3, and the drain valve 23 of the vapor heat exchanger is opened at a fixed time to discharge the exhaust gas condensate water in the vapor heat exchanger 3.
Referring to fig. 1, a condensation heat exchanger spray water drain valve 20, a condensation heat exchanger spray water pump 11 and a condensation heat exchanger spray water inlet valve 19 are disposed at one side of the condensation heat exchanger 2, the condensation heat exchanger spray water pump 11 and the condensation heat exchanger spray water inlet valve 19 are opened to flush the water, and the water sprayed by the condensation heat exchanger spray water drain valve 20 is uniformly discharged.
Referring to fig. 1, the front and rear pipelines of the condensing heat exchanger 2 and the steam heat exchanger 3 are provided with thermometers and pressure transmitters, so that the temperature difference and the pressure difference between the front and rear pipelines of the condensing heat exchanger 2 and the steam heat exchanger 3 can be detected in real time, and different valves can be controlled conveniently.
Referring to fig. 1, a cooling water inlet valve 18 and a condensed water return valve 21 of the condensing heat exchanger are disposed on the condensing heat exchanger 2, and a temperature difference between the front and the rear of the condensing heat exchanger 2 is detected by a thermometer, so as to control the temperature difference, save resources and reduce the operation cost.
Referring to fig. 1, the pre-washing spray pump 8 and the filtering spray pump 9 are two pumps, so as to prevent the spraying from being stopped due to damage of one pump during the operation of the device.
Referring to fig. 1, H-fin tubes are used as heat exchange elements in both the condensing heat exchanger 2 and the steam heat exchanger 3, and the H-fin tubes can improve the heat transfer coefficient of flue gas on the convection side, increase the heat exchange area, reduce the number of the arranged tubes, and reduce the production cost.
Referring to fig. 1, a sewage draining outlet is formed at the bottom of the biological deodorization device 1 and is directly connected with an external water draining pipeline through the sewage draining outlet, so that water after being filtered is directly drained without affecting the use of the device.
Referring to fig. 1, the prewashing spray pump 8 continuously sprays in the prewashing area, the filtering spray pump 9 intermittently sprays in the filtering area, the prewashing spray pump 8 continuously sprays to fully absorb the interior odor, and the filtering spray pump 9 indirectly sprays to ensure the living environment suitable for living organisms, thereby saving resources and reducing the operation cost.
The utility model discloses a theory of operation does: when in use, the waste gas passes through the pre-washing area, when a certain amount of odor is absorbed in the pre-washing water tank 6, the PH value in the pre-washing water tank 6 can be increased or decreased, the PH value meter 15 of the pre-washing water tank at the top of the pre-washing water tank 6 can detect the change of the PH value in the pre-washing water tank 6, when the PH value is higher or lower than the set value, the drain valve 13 of the pre-washing water tank can be controlled to be opened to discharge the water in the pre-washing water tank, then the inlet valve 12 of the pre-washing water tank is controlled to be opened to replenish fresh water inwards, meanwhile, the two spray pumps of the pre-washing area are used for preventing one damage and stopping the spraying, the filter water tank liquid level meter 17 is arranged in the filter water tank 7 of the filter area, the filter spray pump 9 and the inlet valve 16 of the filter water tank can be controlled according to the liquid level in the filter water tank 7, the two spray pumps of the filter area are used for preventing one damage and stopping the spraying, meanwhile, a drain outlet is arranged at the bottom of the biological deodorization device 1 and is connected with an external pipeline for direct discharge, odor enters the condensing heat exchanger 2 after passing through a filtering area, a cooling water inlet valve 18 of the condensing heat exchanger, a condensate water return valve 21 of the condensing heat exchanger and a spray water inlet valve 19 of the condensing heat exchanger are controlled according to the front-back pressure difference of the condensing heat exchanger 2 so as to stop condensation, H finned tubes in the heat exchanger are washed and descaled to ensure the subsequent heat exchange effect, the moisture content of waste gas of the condensing heat exchanger 2 is reduced by condensing the moisture in the waste gas, the occurrence of a white feather phenomenon is eliminated, when the exhaust gas passes through the steam heat exchanger 3, an air inlet valve 22 of the steam heat exchanger, a drain valve 23 of the steam heat exchanger and a condensate water return valve 24 of the steam heat exchanger are controlled by the front-back temperature difference, the waste gas condensate water in the heat exchanger is discharged, and meanwhile, the saturation and diffusion effect are improved by the cold-heat alternation effect of the H finned tubes in the heat exchanger, and the H finned tube can improve the heat transfer coefficient of the flue gas on the convection side, increase the heat exchange area of the flue gas, reduce the arrangement number of the tubes and reduce the production cost of the flue gas.
Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.
Claims (9)
1. The utility model provides an exhaust-gas treatment equipment moulds plastics, includes biological deodorizing device (1), condensation heat exchanger (2), vapor heat exchanger (3), its characterized in that: biological deodorization device (1) divide into prewashing district and filtering area in advance, the prewashing district outside is provided with prewashing water tank (6), be provided with prewashing water tank level gauge (14) and prewashing water tank PH meter (15) on prewashing water tank (6) in advance, be provided with prewashing water tank water intaking valve (12) and prewashing water tank drain valve (13) on prewashing water tank (6) in advance respectively, the outside in prewashing district is provided with prewashing spray pump (8), the filtering area outside is provided with filtration water tank (7), be provided with filtration water tank level gauge (17) on filtration water tank (7), one side of filtration water tank (7) is provided with filtration water tank water intaking valve (16), the outside of filtering area is provided with filtration spray pump (9), be provided with condensation heat exchanger cooling water pump (10) and condensation heat exchanger spray water pump (11) on condensation heat exchanger (2) one side, be provided with vapor heat exchanger admission valve (22) on vapor heat exchanger (3), the export of biological deodorization device (1) links to each other with the import of condensation heat exchanger (2), the export of condensation heat exchanger (2) links to each other with the import of draught fan (3), the import of heat exchanger (3) links to each other, the export of vapor heat exchanger (4) links to each other with the export of vapor heat exchanger (4) and the exhaust tube (4) of draught fan (5, the export of heat exchanger (4) links to each other.
2. An injection molding exhaust gas treatment device according to claim 1, wherein: and a drain valve (23) of the steam heat exchanger and a condensate water return valve (24) of the steam heat exchanger are arranged on one side of the steam heat exchanger (3).
3. An injection molding exhaust gas treatment device according to claim 1, wherein: and a condensation heat exchanger spray water drain valve (20) and a condensation heat exchanger spray water inlet valve (19) are arranged on the other side of the condensation heat exchanger (2).
4. An injection molding exhaust gas treatment device according to claim 1, wherein: and the front pipeline and the rear pipeline of the condensing heat exchanger (2) and the steam heat exchanger (3) are provided with thermometers and pressure transmitters.
5. An injection molding exhaust gas treatment device according to claim 1, wherein: and a cooling water inlet valve (18) of the condensing heat exchanger and a condensed water return valve (21) of the condensing heat exchanger are arranged on the condensing heat exchanger (2).
6. An injection molding exhaust gas treatment device according to claim 1, wherein: h finned tubes are adopted as heat exchange elements in the condensation heat exchanger (2) and the steam heat exchanger (3).
7. An injection molding exhaust gas treatment device according to claim 1, wherein: the pre-washing spray pump (8) and the filtering spray pump (9) are two.
8. An injection molding exhaust gas treatment device according to claim 1, wherein: a sewage draining outlet is arranged at the bottom of the biological deodorization device (1).
9. An injection molding exhaust gas treatment device according to claim 1, wherein: the prewashing spray pump (8) sprays continuously in the prewashing area, and the filtering spray pump (9) sprays intermittently in the filtering area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221431192.8U CN218307226U (en) | 2022-06-09 | 2022-06-09 | Injection molding waste gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221431192.8U CN218307226U (en) | 2022-06-09 | 2022-06-09 | Injection molding waste gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218307226U true CN218307226U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221431192.8U Active CN218307226U (en) | 2022-06-09 | 2022-06-09 | Injection molding waste gas treatment equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218307226U (en) |
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2022
- 2022-06-09 CN CN202221431192.8U patent/CN218307226U/en active Active
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